[cctalk] Re: DEC RL device

[Alexandre Souza via cctalk]

Out of stock in the manufacturer, I am on the waiting list for one, it is
used on my crystal ball.

Enviado do meu Tele-Movel

Em dom., 30 de abr. de 2023 23:36, Sellam Abraham via cctalk <
cctalk@classiccmp.org> escreveu:

> It looks like a Turbo encabulator but it's missing the flux capacitor.
>
> Sellam
>
> On Sun, Apr 30, 2023 at 6:47 PM W2HX via cctalk 
> wrote:
>
> > Can anyone tell me what I picked up at a NH hamfest this weekend for $20?
> > I see it says RL01/RL02. I have two RL02 drives and some platters. None
> of
> > which I have gotten around to trying. Other than a copious amount of pine
> > needles, what can this be used for? Or maybe the right question is,
> should
> > I not use it for fear of destroying an RL platter?
> >
> > https://w2hx.com/?prefix=x/VintageComp/Platter-Device/
> >
> >
> > 73 Eugene W2HX
> > Subscribe to my Youtube Channel: https://www.youtube.com/@w2hx/videos
> >
> >
>

[cctalk] Re: Looking for info on Jerrold/General Instrument PDP11/DEC/etc. software/hardware

[Alexandre Souza via cctalk]

That will be great to follow...

Enviado do meu Tele-Movel

Em dom., 19 de fev. de 2023 01:10, Phil Pemberton via cctalk <
cctalk@classiccmp.org> escreveu:

> Hi all,
>
> I know there are a few PDP enthusiasts here so I figured this was worth
> an ask!
>
> I'm looking for any software, manuals, photos of hardware - anything
> really - that relates to the Jerrold Communications / General Instrument
> analog cable TV headend equipment.
> Many of their headend "addressable controllers" were built around DEC
> hardware -- the AH series units used a PDP-11, the Terminal Configurator
> ran on a PC, the ACC-4000 ran on a DEC Prioris server running SCO UNIX.
>
> Things I'm looking for especially --
>
>- The software from the ACC-4000 Addressable Controller (Prioris
> based), AI-0/AI-O or AH-4/AH-4E (PDP-11/73 based) controllers, or
> Terminal Configurator (PC based).
>
>- Backup tapes from a running system (may be TK50, or DAT/DDS)
>
>- Terminal Configurator, Message Editor (ME-1000) or "OSD Edit" software
>
>- Any documentation
>
>- Photos, or other details of the I/O cards (either the PC one -
> which may have been called ANIC - or the SCX11, SCX11E, SCX11M or SRT11
> cards used in the PDP systems).
>
>
>
> I'm trying to build an analog cable TV headend from scratch, as a bit of
> a preservation and "to see if I can" project.
> So far I've managed to modulate a couple of channels and get a cable box
> to tune to them, but my two boxes have different frequency maps, and I
> need some way of sending an "Input Frequency Map" or channel name table
> to them.
>
> I'm hoping that someone might have inherited a bunch of backup tapes,
> hardware or media from a cable TV company who was migrating to digital
>
> Thanks,
> --
> Phil.
> phil...@philpem.me.uk
> https://www.philpem.me.uk/
>

[cctalk] Re: Nuking an MFM drive with a magnet, format/servo gone?

[Alexandre Souza via cctalk]

I thoug the right one was st512...can you enlighten me on this subject Tony?

Enviado do meu Tele-Movel


> I assume by 'MFM' you mean a drive with an interface similar to the ST412.
> -tony
>

Re: The Prolok Saga (Was: Applesauce FDC

[Alexandre Souza via cctalk]

Fred, a completely unrelated piece of information, but interesting
nonetheless:

Elnec device programmers are very famous for the number of devices it
programs and its robustness. Also for their clones. If you open a cloned
beeprog you cannot differ it from an original beeprog.

I still haven't completely reverse engineered the protection, but it seems
to be related to the serial number. If any host software beyond 2.63
detects a "fake programmer" it BRICKS the cloned prigrammer. Yes, rends it
useless. You gotta reprogram a pair of eeproms and a pic to make it work
back again.

You told about the prolok plus erasing hds and I remembered of this atitude
from elnec. And no, I know of no one that sued elnec for bricking their
clone programmer.

So bad. They are great programmers, I have an old beeprog.

73 de pu2sex Alexandre

Enviado do meu Tele-Movel

Em ter, 2 de nov de 2021 17:35, Fred Cisin via cctalk 
escreveu:

> On Tue, 2 Nov 2021, dwight via cctalk wrote:
> > The trickiest protection I've seen is where there is a hole punched
> > through the disk on one track. The idea is that the protected program
> > writes to that track and expects to see a failure to read that track.
> It doesn'tneed to be a hole all the way through, merely any physical
> defect that renders that spot unusable.
>
> The "Physical Defect" protection.
>
> Copy protected disks had already been made with flawed content to produce
> an error on READ, and were easily circumvented by the "duplicate" copy
> having flawed content. The next step was to have a physical defect, so
> that the protection software would WRITE to the bad track, and confirm
> that the track really was damaged.
> So, they would scratch the disk.
> In the case of Prolok, the check to confirm a physical defect consisted of
> writing all zeroes to that area; verifying all zeroes; writing all ones;
> and verifying all ones.
>
>
> Vault Corporation produced "Prolok" with a physical defect.  To make it
> MUCH MORE IMPRESSIVE to investors and clients, instead of a roomful of
> people scratching disks with paperclips, they used a "laser fingerprint"
> (use a laser, instead of a paperclip).
>
> Since they gave the same or similar subroutines, that checked for the
> defect, to every client, it was cracked with software that would locate
> that subroutine, and replace the subroutine call with NOPs or gut the
> innards of the subroutine.  The cracks were often posted on Compuserve.
> (Vault sued Quaid software for "CopyWrite"/"RAMKEY")
> https://casetext.com/case/vault-corp-v-quaid-software-ltd )
>
> For "cloning" (pirating copies, often with the Central Point Option
> board (flux hardware)), software was developed that would
> identify the location of the defect, the cloner would then attempt to
> scratch the disk at that location, and then the software would locate the
> defect and juggle stuff around to put the content in the right place(s)
> relative to the defect.
>
>
> But, Vault Corporation wasn't satisfied until they shot themselves in the
> foot with very high caliber rounds.
> They announced "Prlok PLUS".  W. Krag Brotby (chairman of Vault) said that
> it would, if it detected a "fake" copy, wipe out the user's hard disk!
> Even at the announcement of Prolok PLUS, the computer marketing
> community was aghast and enraged.  It doesn't take much to realize the PR
> nightmare, and the legal liabilities for damaging a customer computer,
> even if it was NOT a false positive!
>
> Ashton-Tate, the largest Prolok client for dBase III, and part
> owner of Vault, immediately cancelled their contracts.  And announced
> that they had done so, that they had never used Prolok Plus, never would,
> and no longer used Vault Corporation products.
> Almost all of Vault's other clients follwed suit.
>
> Prolok Plus never made it to market!
> 'Course the "word was out".  Few people realize that it was NEVER
> actually put to use.  In fact some of the more idiotic newspaper "solve
> your computer problems" columnists, when stumped, would actually speculate
> "maybe your computer was attacked by an out of control copy-protection
> program."
>
>
> So, we ended up with a mythical monster, and the creator of that mythical
> monster was vanquished.
>
> If anybody can document an actual existence of Prolok Plus, I would like
> to hear about it.
>
>
> There is little mention of it on the web, but:
>
> https://tech.slashdot.org/story/08/06/09/1927205/a-history-of-copy-protection
> "Re:Ahhh, holes burned in disks (Score:5, Informative)"
>
>
> https://books.google.com/books?id=9y4EMBAJ=PA19=PA19=prolok+plus+copy+protection+vault+corporation=bl=9Y7SBcnFx9=ACfU3U3JDSEI-QjLjMi1V_gWdPq8gaHrHg=en=X=2ahUKEwjijpjCufrzAhX2TDABHXh2DBgQ6AF6BAgHEAM#v=onepage=prolok%20plus%20copy%20protection%20vault%20corporation=false
>
> https://www.pcjs.org/blog/2019/05/05/
> Kryoflux display of Prolok
>
> --
> Grumpy Ol' Fred
>

Re: What happened to control-data.info and controlfreaks.org?

[Alexandre Souza via cctalk]

And the ones harmed were the people who cared for and supported him, the
guy who stole his material got nothing but promotion.

A very selfish and childish way to handle things.

If you like a site...clone it to your HD, it happens more than you think :(

73 de pu2sex Alexandre


Enviado do meu Tele-Movel

Em qui, 18 de nov de 2021 11:32, Daniel Seagraves via cctalk <
cctalk@classiccmp.org> escreveu:

>
> > On Nov 18, 2021, at 8:22 AM, Michael Kerpan  wrote:
> >
> > What happened? Looking back at my emails, the list was operating
> normally until September 3. Then it just stopped. There were normal
> discussions going on. There was no flood of spam. As far as I can tell,
> nothing occured that would trigger a rage quit.
>
> A news article was posted wherein another party was credited with creating
> DTCyber and a screenshot showed that party had removed his advertisements
> from the software.
>
> The GPL does not have an advertising clause, and he did not have grounds
> to demand the advertisement be restored, so he decided it best to delete
> everything.
>
>

Re: More cleaning out the Bob basement

[Alexandre Souza via cctalk]

I'd dump the wife...

Enviado do meu Tele-Movel

Em sáb, 18 de set de 2021 22:33, Mike Katz via cctalk 
escreveu:

> I have a basement but I also have a wife who complains everytime I bring
> some orphaned computer part (or camera) home and to the basement.  In
> her eyes it's all junk.
>
> Which is worse, no basement or a wife 
>
> It was because of my first wife (now ex) that I sold my 2 full racks of
> PDP-8/E equipment.
>
> On 9/18/2021 3:40 PM, Zane Healy via cctalk wrote:
> >
> >> On Sep 18, 2021, at 1:01 PM, Chris Zach via cctalk <
> cctalk@classiccmp.org> wrote:
> >>
> >> Went over to chip away at the Bob basement, and this time Alex came
> with me. This is not a bad idea as if one of the piles shift and I get
> stuck it would be nice to have someone there to call 911.
> > You might be joking, but this is no joke, it’s a *VERY* good idea.  Back
> when my collection was in storage units, I took a large vintage TV to the
> head.  Thankfully I was okay, but it could have been much worse.  After
> that I started being more cautious.
> >
> >> Moral: Do not die with a lot of this stuff in your basement. We were
> far more able to move this stuff 30 years ago when we were young than today.
> > Good point.  I was reminded of this a few months ago, while I was
> working some of my old gear while on my Sabbatical.  The good news, I don’t
> have a basement. :-)
> >
> > Zane
> >
> >
> >
>
>

Re: FTGH: Atari Portfolio HPC-004

[Alexandre Souza via cctalk]

Second in line =) And remember there are mostly no portifolios in Brazil =D


---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qua., 25 de ago. de 2021 às 19:17, Michael Fritsch via cctalk <
cctalk@classiccmp.org> escreveu:

> Hi Jan,
> I'm really interested in this little computer. I already sent you a PN.
> Micha
>
> Jan-Benedict Glaw via cctalk wrote:
> > Hi!
> >
> > I'm offering an Atari Portfolio HPC-004 along with a 64 KB Memory Card
> > for the cost of shipping (located in Germany.) It boots / works (using
> > batteries), but I'm missing its original wall wart.
> >
> > Is anybody interested?
> >
> > Thanks,
> >Jan-Benedict
> >
>
>

Re: Prototype new Apple /// memory board

[Alexandre Souza via cctalk]

Eric, you could have used the 512KB sram chip instead of 4 128KB ones...

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qua., 25 de ago. de 2021 às 17:28, Eric Smith via cctalk <
cctalk@classiccmp.org> escreveu:

> I've been working on a new memory board for the Apple ///, using (somewhat)
> modern and still-in-production components, especially CMOS static RAM
> rather than DRAM. Last night I soldered the connectors, sockets, and
> passives of my first prototype:
>
> https://flickr.com/photos/_brouhaha_/albums/72157719738576267
>
> I need to do some testing for shorts, etc. before I attempt to actually use
> it in an Apple ///. I expect that some debugging of the design will be
> required.
>
> The Apple /// design is _much_ more complex that the Apple II and IIe. I
> intended this board to provide 512KiB of RAM, but I've already determined
> that some design changes will be required for that, so this prototype will
> only support 256KiB.
>
> The early Apple /// design, as documented in US patents, would have
> supported up to 512KiB of RAM, but the actual shipped design reduced that
> to 256KiB. There was a third-party 512Kib emory board from "On Three",
> which required pulling various chips from the motherboard and running
> cables from those to the memory board.
>
> The SOS operating system, as shipped, only supported 256KiB. On Three
> modified the SOS bootloader to detect and use 512KiB. Some Apple ///
> application software also had trouble with 512KiB, and On Three patched
> some of those.
>

Re: Linearizing PDF scans

[Alexandre Souza via cctalk]

Hey Dave, I've been digitizing docs for free for years
Is any kind of standard, recomendation, group, mail list, to discuss the
subject?
All pdfs in www.tabalabs.com.br/esquemateca were scanned by me. I'm always
open to critics and suggestions
thanks
Alexandre, PU2SEX

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sex., 13 de ago. de 2021 às 17:20, J. David Bryan via cctech <
cct...@classiccmp.org> escreveu:

> Is it still useful to linearize PDFs?
>
> I've been scanning and PDFing manuals for 16 years, and I've been
> linearizing them regularly.  My understanding is that this made them
> accessible on a page-by-page basis in Web browsers without requiring a
> complete file download first.  But given the increase in typical bandwidth
> in 16 years, I wonder if this is still useful.  It is an extra step, and
> it
> does make the files somewhat larger.
>
> Recommendations?  Does linearizing confer any advantage locally once the
> entire file is downloaded?
>
> Thanks.
>
>   -- Dave
>
>

Re: ISO Laserjet I/II/III firmware

[Alexandre Souza via cctalk]

On Thu, 12 Aug 2021 07:44:27 -0700

On 8/12/21 7:25 AM, John Foust via cctalk wrote:
HP used Canon formatters on the LW and LWII, then did their own on
the LW III with more and more HP ASICs on them. They are all 68000
based. Looks like they switched to i960s or 29000's up through the VI.


AFAIK HP did the HPII and HPIII formatters
--
---8<---Corte Aqui---8<---
https://www.tabalabs.com.br
https://tabajara-labs.blogspot.com

Re: ISO Laserjet I/II/III firmware

[Alexandre Souza via cctalk]

At least here in Brazil you can find supplies for HP II and III printers.
Probably for IIp and IIIp...

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui., 12 de ago. de 2021 às 04:02, Al Kossow via cctalk <
cctalk@classiccmp.org> escreveu:

> On 8/11/21 11:38 PM, ED SHARPE via cctalk wrote:
> > We collect hp laser printers SMECC
>
> Who cares.
> It's not like you're capable of ever going to do anything with them
>
>

Re: 3B2 in Brazil on Facebook

[Alexandre Souza via cctalk]

Burnos aires is in Argentina, not in Brazil :/
Anyway Argentina is near and I have proffessional A3 scanning capabilities.
If you want to save on freight I can receive the manuals and scan them.

Enviado do meu Tele-Movel

Em ter, 27 de abr de 2021 15:34, Dave Wade G4UGM via cctalk <
cctalk@classiccmp.org> escreveu:

> Some one appears to have three AT 3B2/300 manuals, cables diskettes,
> sadly
> in Brazil and has posted some pictures in a Facebook group
>
>
>
>
> https://www.facebook.com/groups/vintagecomputerswapmeet/permalink/3954289997
> 980016/
> 
>
>
>
> You can open the link in an incognito, sandboxed, VPNd session and still
> see
> the post..
>
>
>
> Dave
>
> G4UGM
>
>

Re: Looking for video (or photos) depicting how to remove ASR 33 printer from keyboard

[Alexandre Souza via cctalk]

Didn't curiousmarc on youtube posted a whole series about repairing and 
resotring one?


Em 12/04/2021 21:24, Bill Degnan via cctech escreveu:

I am looking for a video or photos that show how one removes the printer
from the keyboard safely on an ASR 33.  I need to get to the underside of
the printer levers so I can re-align them.  I am getting incorrect
characters when I type over half of the keys.  I can see that a few levers
are out of whack or not seated correctly but I believe to get to them
properly I need to put the printer on its side or under a lift to get to
the underside.  I am nervous about detaching the "H" shaped gizmo that
connects the keyboard to the printer.
Thanks
Bill
.



--
---8<---Corte Aqui---8<---
https://www.tabalabs.com.br
https://tabajara-labs.blogspot.com

Re: Mitsubishi Melcard (edge connect type)

[Alexandre Souza via cctalk]

Isnt that the epson card standard?

Enviado do meu Tele-Movel

Em dom, 11 de abr de 2021 14:37, Chuck Guzis via cctalk <
cctalk@classiccmp.org> escreveu:

> On 4/11/21 7:08 AM, D. Resor via cctalk wrote:
> > Does anyone recall what kind of hardware/software was used to read/write
> the
> > early Mitsubishi Melcard EPROM cards with the PCB edge connector
> contacts?
> >
> >  It was explained to me by someone that a EPROM programmer could be used,
> > however I've never seen a socket which fits the edge card connector of
> these
> > cards.
>
> I don't know if it's exactly what you're looking for, but there's a
> potload of information on Bitsavers, starting with PDF page 115:
>
>
> http://www.bitsavers.org/pdf/mitsubishi/Mitsubishi_VLSI_MOS_Memory_RAM_ROM_and_Memory_Cards_Jan91.pdf
>
> --Chuck
>
>

Looking for HP E8285A Software cards and card images

[Alexandre Souza via cctalk]

The subject says all =) I'm specially interested in images (or the cards)
of the 11807E opt 100 and the A.02.04 firmware

Thanks!
Alexandre, PU2SEX

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---

Re: Toshiba "1-chip" things

[Alexandre Souza via cctalk]

T7775 is the msx engine (msx1)
You can find others here:
https://pt.m.wikipedia.org/wiki/MSX-Engine

Enviado do meu Tele-Movel

Em dom, 27 de dez de 2020 20:19, Cameron Kaiser via cctalk <
cctalk@classiccmp.org> escreveu:

> There's a whole bunch of Toshiba "1-chip" QFPs I've run across. Does anyone
> know of datasheets, or what components (mask ROM, LCD, RAM, I/O, ...) they
> have? These are usually in cheapie toy systems, particularly VTech. Some
> allegedly have Z80-compatible cores in them.
>
> T7951 (I found this paired with a 2764 ROM)
> T7812
> T7813
> T7826
>
> They all appear to be part of the same family.
>
> --
>  personal:
> http://www.cameronkaiser.com/ --
>   Cameron Kaiser * Floodgap Systems * www.floodgap.com *
> ckai...@floodgap.com
> -- Denial: it's not just a river in Egypt anymore, is it? -- "True Lies"
> --
>

Re: test

[Alexandre Souza via cctalk]

Test failed. Please call Jim West on Support Desk

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em seg., 10 de fev. de 2020 às 20:08, jwest--- via cctalk <
cctalk@classiccmp.org> escreveu:

> test
>
>

Re: bitsavers is showing down here

[Alexandre Souza via cctalk]

Am I wrong or this is a channel of someone playing guitar?

Enviado do meu Tele-Movel

Em dom, 19 de jan de 2020 22:58, jim stephens via cctalk <
cctalk@classiccmp.org> escreveu:

>
> You can get a  discord client for your platform.
>
> Here is the invite.  Jay made for the server.  I'll email you off the
> list with the entire postt.
>
>   https://discord.gg/U8Skw5g
>
> Thanks
> Jim
>
>
> On 1/19/2020 4:59 PM, Ian McLaughlin via cctalk wrote:
> > Sorry if this is posted somewhere easy to find but I’m mobile at the
> moment. Can I get details about the Discord server please?
> >
> > Ian
>
>

Re: Scanning docs for bitsavers

[Alexandre Souza via cctalk]

I cannot understand your problems with PDF files.
I've created lots and lots of PDFs, with treated and untreated scanned
material. All of them are very readable and in use for years. Of course,
garbage in, garbage out. I take the utmost care in my scans to have good
enough source files, so I can create great PDFs.

Of course, Guy's commens are very informative and I'll learn more from it.
But I still believe in good preservation using PDF files. FOR ME it is the
best we have in encapsulating info. Forget HTMLs.

Please, take a look at this PDF, and tell me: Isn't that good enough for
preservation/use?
https://drive.google.com/file/d/0B7yahi4JC3juSVVkOEhwRWdUR1E/view

Thanks
Alexandre

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em ter., 3 de dez. de 2019 às 00:08, Grant Taylor via cctalk <
cctalk@classiccmp.org> escreveu:

> On 12/2/19 5:34 PM, Guy Dunphy via cctalk wrote:
>
> Interesting comments Guy.
>
> I'm completely naive when it comes to scanning things for preservation.
>   Your comments do pass my naive understanding.
>
> > But PDF literally cannot be used as a wrapper for the results,
> > since it doesn't incorporate the required image compression formats.
> > This is why I use things like html structuring, wrapped as either a zip
> > file or RARbook format. Because there is no other option at present.
> > There will be eventually. Just not yet. PDF has to be either greatly
> > extended, or replaced.
>
> I *HATE* doing anything with PDFs other than reading them.  My opinion
> is that PDF is where information goes to die.  Creating the PDF was the
> last time that anything other than a human could use the information as
> a unit.  Now, in the future, it's all chopped up lines of text that may
> be in a nonsensical order.  I believe it will take humans (or something
> yet to be created with human like ability) to make sense of the content
> and recreate it in a new form for further consumption.
>
> Have you done any looking at ePub?  My understanding is that they are a
> zip of a directory structure of HTML and associated files.  That sounds
> quite similar to what you're describing.
>
> > And that's why I get upset when people physically destroy rare old
> > documents during or after scanning them currently. It happens so
> > frequently, that by the time we have a technically adequate document
> > coding scheme, a lot of old documents won't have any surviving
> > paper copies.  They'll be gone forever, with only really crap quality
> > scans surviving.
>
> Fair enough.
>
>
>
> --
> Grant. . . .
> unix || die
>

Re: Scanning docs for bitsavers

[Alexandre Souza via cctalk]

>My recommendation: use a proper multi-function copier (the big copiers)
>that can also scan to network. I currently use our big Konica-Minolta

I've got a Lexmark X646E full duplex printing/scanner. I'm still learning
how to use it at its max, but I believe I'll scan TONS of documents I have
stored home as soon as I learn how to PROPERLY do that.

Interesting machine. Very cheap, but with a very fast ADF duplex scanner. I
just need to learn all the adjusts and fix the ADF rollers.

Enviado do meu Tele-Movel

On Wed, Nov 27, 2019, 13:12 Christian Corti via cctalk <
cctalk@classiccmp.org> wrote:

> On Wed, 27 Nov 2019, mloe...@cpumagic.scol.pa.us wrote:
> > On Wed, 27 Nov 2019, Noel Chiappa via cctalk wrote:
> >> That's what I use too; it has tons of useful features, including being
> able
> >> to drive my single-sided page-feed scanner and being able to number the
> >> even-sided pages correctly. The one I use for this is the 'batch mode';
> I
> >> can
> >> do the entire document into CCITT 4 in one operation.
> >
> >   For scanning software, I highly recommend VueScan:
> >
> > https://www.hamrick.com/
> >
> >   There are Linux, Windows and Mac versions, and it supports thousands
> of
> > scanner models, including some very old ones. VueScan can also do CCITT
> G4
> > compression, and directly create PDF files. If you but the pro version,
> > updates are free. I've been using it for years.
>
> My recommendation: use a proper multi-function copier (the big copiers)
> that can also scan to network. I currently use our big Konica-Minolta
> bizhub 754. Although it'a b/w copier, it can also scan in color. This
> machine scans a two-sided page without flipping the paper, resolution
> 600dpi, color/bw, and I scan to TIFF multipage images (sometimes I use
> JPEG for color pages). No problems scanning a batch of A3 schematics ;-)
>
> Then I use tumble (either directly on the generated .tif or after
> tiffsplit and rearranging pages) and ocrmypdf to produce the PDF file.
> I guess my setup is much faster than Al's ;-)))
>
> Christian
>

Re: Scanning docs for bitsavers

[Alexandre Souza via cctalk]

Al, is there a "standard" you would recommend us mere mortals to scan and
archive docs?

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qua., 27 de nov. de 2019 às 01:07, Al Kossow via cctalk <
cctalk@classiccmp.org> escreveu:

> you can ftp the uncompressed files to me and I'll take care of the
> conversions
>
> On 11/26/19 6:52 PM, Alan Perry via cctalk wrote:
> >
> > I am going through stuff in my office and found that I have some SCSI
> device docs that aren't on bitsavers. As far as
> > multi-page documents, it seems as if my scanner (or its software) only
> does uncompressed TIFF. At bitsaver's recommended
> > 400 dpi, that means about 4M per page.
> >
> > What should I do? Scan the docs in and find a tool to convert to
> lossless compression. Scan the docs in and just submit
> > the huge files? Something else?
> >
> > The docs that I have are copies, not originals. Does anyone here want
> them after I scan them?
> >
> > alan
>
>

Re: Question about modems

[Alexandre Souza via cctalk]

Jim, its a long time I don't use it, but I've used other configurations 
beyond 8N1 and I remember when you put the modem in 7E1 it mirrored the 
configuration of the other side. If you had a vax with a 2400 7E1 port, 
you gotta have in the terminal 2400 7E1


So, you gotta match the configuration of the other side

Hope that helps!

Em 13/11/2019 04:25, Jim Brain via cctalk escreveu:
I am the author of tcpser, a UNIX/Windows program that emulates a Hayes 
modem.


Some time ago, Chris Osborn (FozzTexx) forked a copy of my project to 
fix some bugs and he also added in some parity code, which looks to 
strip parity from the incoming serial connection (in the case that the 
serial port is set as 8N1 and the computer attached to it sends in 7E1 
or similar.


I am working to merge in all of his changes into the mainline codebase, 
but I am unclear on prpper Hayes behavior.  His Readme says:


https://github.com/FozzTexx/tcpser/commit/5f0e28bb837463e597a1daf9b3c07e56af887b7d 



"I also made the modem routines automatically detect parity and ignore
it in AT commands and print out modem responses in matching
parity. Parity is *not* stripped when sending data over the
connection, which is how a real modem behaves. This may or may not be
what you want. Some servers will expect an 8 bit connection and may

not work."

Did Hayes modem really do that?  I thought most later modems self 
detected parity and speed and thus would have switched both the comm on 
the serial port and the data sent to the other side in the same parity 
(if the terminal was 7E1, the modem would configure as 7E1 and send 7 
bit data to the other side.


But, maybe real modems did as Chris notes. Anyone have guidance on 
this?  The goal of tcpser is to emulate a Hayes modem as much as 
possible, but I never really thought about mismatched parity on the 
RS232 line and how to deal with it.


Jim




--
---8<---Corte Aqui---8<---
https://www.tabalabs.com.br
https://tabajara-labs.blogspot.com

Re: Classic equipment available & my bad year.

[Alexandre Souza via cctalk]

Oh Dave, I'm SO sorry for all this that happened to you...I'm very happy
you're recovering and getting better every day.

We're not friends but your name is so present in miy life for a long
time...I used your programs and your site a lot and still use it.

Hope you get better. There are lots of people here in Brazil wishing you
get better soon!

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sex., 8 de nov. de 2019 às 22:44, Jack Harper via cctalk <
cctalk@classiccmp.org> escreveu:

>
> >
> >I have had a major health incident which means that I have been
> unresponsive
> >for several months. As I need to move in closer to town, I will be
> disposing
> >of what remains of my collection (Things like: Altairs, Imsa, PET 2001,
> >Apple II, TRS-80s, lots of S100 carts etc.)
>
>
> Best Wishes Dave.
>
> Jack
>
>
>
>
>
> --
> Jack Harper, President
> Secure Outcomes Inc
> 2942 Evergreen Parkway, Suite 300
> Evergreen, Colorado 80439 USA
>
> 303.670.8375
> 303.670.3750 (fax)
>
> http://www.secureoutcomes.net for Product Info.
>
>

Re: swtpc.com expired???

[Alexandre Souza via cctalk]

Last IP address of the server (71.91.242.107) also directs to a "it works"
page, so the entire directory may have been deleted. I also tried to access
subpages (like /Sinclair/Interface2/Interface/Interface2_Circuitry.htm) and
got a 404.

Seems everything is gone. Hope the archive.org backup is updated :(

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui, 7 de nov de 2019 às 09:21, Bill Degnan via cctalk <
cctalk@classiccmp.org> escreveu:

> On Thu, Nov 7, 2019, 12:59 AM Kevin Lee via cctalk 
> wrote:
>
> > Current reg says will expire in 2020
> > So has been renewed.
> >
>
> This morning godaddy says still expired, pending renewal.
>
> Bill
>
> >
>

[OT] Looking for a CHEAP Metcal WS1 workstand

[Alexandre Souza via cctalk]

Subject says all =)

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---

WTB Metcal workstand

[Alexandre Souza via cctalk]

Dear sirs

I'm looking for a metcal MX500 (so you know what handpiece I have) 
workstand. Also, cheap tips and a new handle, mine is broken and fixed 
up man times


I don't know if this request is apropriate on this list, but who knows? =)

Thanks
Alexandre

PS: I know there are some on epay...


--
---8<---Corte Aqui---8<---
https://www.tabalabs.com.br
https://tabajara-labs.blogspot.com

Re: Test message

[Alexandre Souza via cctalk]

Test failed
Please call service

Enviado do meu Tele-Movel

On Thu, Sep 12, 2019, 20:30 Mike Ross via cctalk 
wrote:

> I was banned for ages, I've been told I'm not any more; test post;
> disregard.
>
> Mike
>

Re: test

[Alexandre Souza via cctalk]

Test faild. Please call support.

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sex, 30 de ago de 2019 às 21:21, steve shumaker via cctalk <
cctalk@classiccmp.org> escreveu:

> Apologies for the question marks in the previous post  - Thunderbird
> reverts occasionally.  test   It should be fixed now.
>
>
> Steve
>
>

Re: Test

[Alexandre Souza via cctalk]

Test error. Please call helpdesk. 555-1212

Enviado do meu Tele-Movel

On Sun, Aug 11, 2019, 10:54 Charles via cctalk 
wrote:

> Testing 1,2,3... my last couple of posts don't seem to be showing up?
> -Charles
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>

Re: I'm sharing a toy

[Alexandre Souza via cctalk]

Thanks for sharing! =)

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui, 8 de ago de 2019 às 02:18, Adam Thornton via cctalk <
cctalk@classiccmp.org> escreveu:

> https://mvsevm.fsf.net
>
> Currently, the TOPS-10 guest account (42,42) and the Unix v7 account dmr
> have no passwords.
>
> Please treat the dmr account respectfully.
>
> I will get to account requests…eventually, probably.  TImeliness is not
> guaranteed.  All systems are hosted on Raspberry Pis (the 36-bit ones on a
> Pi 3B+ and the 16-bit and 32-bit ones on a Pi 2B+) on Debian Buster.
> Absolutely no guarantee of availability or usability is made.
>
> Adam
>
>

Re: Software for Fairy YL-23 IC tester wanted

[Alexandre Souza via cctalk]

I'm looking for one of that for Apple II computers for AGES :)
Congratulations for the incredible board!!

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em dom, 16 de jun de 2019 às 03:41, Roland via cctech 
escreveu:

> Hello fellow collectors,
> I have this Fairy YL-23 IC tester / programmer with ISA bus.
>
> http://matthieu.benoit.free.fr/Fairy_YL-23_Eprom_Programmer_resources_page.htm
> The problem: I have no documentation and no software for it.
> Can anyone help me getting PC software for it?
> Thanks in advance!Regards, Roland Huisman
>
>

Re: Palm usage was Re: Modems and external dialers.

[Alexandre Souza via cctalk]

You know I miss (A LOT) Palm desktop simplicity!?

Wish I could have the same functionality on my android phone. Everything
was SO simple and straightforward...


---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui, 6 de jun de 2019 às 14:45, Cameron Kaiser via cctalk <
cctalk@classiccmp.org> escreveu:

> > > ...I was never a big fan
> > > of PalmOS, TBH. Too limited for me as a former Psion user, and the
> > > Palm devices were always very tied to a PC -- they were meant to be a
> > > way to take your Outlook (or whatever) address book and diary with you
> > > in your pocket.
> >
> > Interesting view of Palm usage that I hadn't considered.
> >
> > > I didn't use Outlook or a desktop PC PIM at all.
> >
> > Nor did I.  When I carried a Palm Pilot every day, I was using UNIX
> > 'mail' for work e-mail and did all local edits of my calendar on the
> > Palm.  I did backup my Palm Pilot, to my Linux Laptop (I still have
> > backups files from 1999 in an archive folder).
>
> Not sure if this counts as "connected" but I used Palm Desktop itself for
> my personal scheduling. I never used my Palms (an m505 and a Zire 72) for
> E-mail, though. It did mostly note-taking, calendar and pharmacy work, and
> some programming (in Plua).
>
> --
>  personal:
> http://www.cameronkaiser.com/ --
>   Cameron Kaiser * Floodgap Systems * www.floodgap.com *
> ckai...@floodgap.com
> -- If elected, I will win. -- Pat Paulsen for President
> ---
>

Re: Apple ][+ Keyboard

[Alexandre Souza via cctalk]

- There are lots of PS2 adapters on the market, I made one myself
- There are lots of PS2 to apple II schematics avaiable. One of them uses
just ONE PIC µC
- The keyboard encoder was reverse-engineered by Victor Trucco, and I
believe I've seen others around

Lots of options :)

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui, 23 de mai de 2019 às 09:22, John Many Jars via cctalk <
cctalk@classiccmp.org> escreveu:

> Hi Brian,
>
> That's an interesting thread.  It probably is the encoder chip as hitting
> Ctrl-Reset works.  Unfortunately Briel Computers doesn't seem to exist
> anymore. ):
>
> This seems like a temporary solution.  I need to collect the stuff to build
> one:
>
> https://knzl.at/ps2-keyboard-for-apple-ii/
>
> Thanks!
>
> Mark
>
> On Wed, 22 May 2019 at 17:00, Brian Marstella  wrote:
>
> > Just ran across this a few days ago on different search...
> >
> > https://groups.google.com/forum/#!topic/comp.sys.apple2/kJ4SosdZTb4
> >
> > May have some helpful info.
> >
> > On Wed, May 22, 2019 at 11:56 AM John Many Jars via cctalk <
> > cctalk@classiccmp.org> wrote:
> >
> >> I feel like I'm falling down a rabbit hole with this old ][ europlus
> I've
> >> had for years.
> >>
> >> The smoke came out of the power supply, so I replaced it with one from
> >> ReactiveMicro.  Now it boots, and was working okay, until this morning.
> >> Now, no keyboard  if you hit ctrl-reset.  All other keys are
> >> ignored.
> >>
> >> Anyone have any ideas? (:
> >>
> >> Thanks,
> >>
> >> John (aka Mark)
> >>
> >
>
> --
> Yoyodyne Propulsion Systems:  "The Future Begins Tomorrow"
> Visit us at: http://www.yoyodyne-propulsion.net
>
> 
> "When a true genius appears in the world, you may know him by this sign,
> that the dunces are all in confederacy against him." -- Jonathan Swift
>

Re: Mac 1K

[Alexandre Souza via cctalk]

No Cindy, it should turn on and go bong without the keyboard...

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qua, 15 de mai de 2019 às 16:32, Norman Jaffe via cctalk <
cctalk@classiccmp.org> escreveu:

> I would think that a Mac 1K would have serious performance issues...
>
>
> From: "cctalk" 
> To: "Electronics Plus" , "cctalk" <
> cctalk@classiccmp.org>
> Sent: Wednesday, May 15, 2019 12:31:23 PM
> Subject: RE: Mac 1K
>
> Make that Mac Plus 1MB. Sorry for typo!
> Cindy
>
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of
> Electronics
> Plus via cctalk
> Sent: Wednesday, May 15, 2019 2:18 PM
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> Subject: Mac 1K
>
> I recently obtained a Mac 1K in a Mac 512K box. It does not power on, and
> it
> smells a bit toasty. Does it require a keyboard to power on? I have a
> M0110A.
>
>
>
> Cindy Croxton
>
> Electronics Plus
>
> 1613 Water Street
>
> Kerrville, TX 78028
>
> 830-370-3239 cell
>
> sa...@elecplus.com
>
>
>
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>

Re: DLC Company "Cowculator"

[Alexandre Souza via cctalk]

* (__)
\ (oo)
\---\/
| 0.0 |
|---|
| C CE ^ - |
| 7 8 9 + |
| 4 5 6 * |
| 1 2 3 / |
| 0 . = |
| ||
||---||
^^ ^^

Cow-culater

https://github.com/sindresorhus/cows/blob/master/cows.txt =D =D =D
(this is SO old!)
---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em seg, 6 de mai de 2019 às 20:57, Alexandre Souza <
alexandre.tabaj...@gmail.com> escreveu:

> Cowculator is for people who studies cowculus?
>
> (oh, the cows text file... =D )
>
> ---8<---Corte aqui---8<---
> http://www.tabajara-labs.blogspot.com
> http://www.tabalabs.com.br
> ---8<---Corte aqui---8<---
>
>
> Em seg, 6 de mai de 2019 às 20:50, Bill Degnan via cctalk <
> cctalk@classiccmp.org> escreveu:
>
>> I go disc golfing from time to time near Linthicum MD,  I know there were
>> a
>> few surplus dealers of ancient eletronics near there, maybe something will
>> turn up there.
>> b
>>
>> On Mon, May 6, 2019 at 7:32 PM Al Kossow via cctalk <
>> cctalk@classiccmp.org>
>> wrote:
>>
>> > I took a better picture of the panel for this yesterday
>> > http://bitsavers.org/pdf/dlcCompany/cowculator
>> >
>> > Other than a couple of want-ads from the early 60's I've
>> > not been able to turn up any more information on this.
>> >
>> > I'm assuming you optimize by adjusting the parameters to
>> > zero on the meter.
>> >
>> > Other than what is on the panel, I've not found anything
>> > on the DLC Company in Linthicum, Md.
>> >
>> >
>>
>

Re: DLC Company "Cowculator"

[Alexandre Souza via cctalk]

Cowculator is for people who studies cowculus?

(oh, the cows text file... =D )

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em seg, 6 de mai de 2019 às 20:50, Bill Degnan via cctalk <
cctalk@classiccmp.org> escreveu:

> I go disc golfing from time to time near Linthicum MD,  I know there were a
> few surplus dealers of ancient eletronics near there, maybe something will
> turn up there.
> b
>
> On Mon, May 6, 2019 at 7:32 PM Al Kossow via cctalk  >
> wrote:
>
> > I took a better picture of the panel for this yesterday
> > http://bitsavers.org/pdf/dlcCompany/cowculator
> >
> > Other than a couple of want-ads from the early 60's I've
> > not been able to turn up any more information on this.
> >
> > I'm assuming you optimize by adjusting the parameters to
> > zero on the meter.
> >
> > Other than what is on the panel, I've not found anything
> > on the DLC Company in Linthicum, Md.
> >
> >
>

Re: Not DEC related but still hoping for some help: Problems w/ LJ 4+ Printer

[Alexandre Souza via cctalk]

If I were you, I'd buy a complete DC/hv assembly, it must be cheap on ebay
---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em qui, 4 de abr de 2019 às 12:39, Ali via cctalk 
escreveu:

>
> > You might want to order a few HV diodes because a leaky HV diode
> > could be found if the caps are good.
> >
>
> Thanks. I will keep that in mind.
>
> -Ali
>
>

Re: Not DEC related but still hoping for some help: Problems w/ LJ 4+ Printer

[Alexandre Souza via cctalk]

If I'm not mistaken, high voltage capacitors on power supply. The corona
wire isn't charging the paper, so the image doesn't get transfered from the
cylinder to the paper to be pressed/fused in the fusor.

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em ter, 2 de abr de 2019 às 16:56, Ali via cctalk 
escreveu:

> I rescued a LaserJet 4+ printer that I have been trying to restore.
> Initially everything seemed ok and it seemed as if there may be just a bit
> of an issue with paper pickup which I attributed to old paper in the tray.
>
> However, soon I started getting the accordion paper jam which led me to
> replacing all the rollers including the transfer roller. Now the paper
> flows
> freely! However, I am having a new problem with printing. When I print, the
> first 5-10 pages initially come out blank. The printer does not produce any
> errors or error codes. The blank pages are warm (not hot though) as
> expected
> out of a LJ.
>
> After closer inspection it seems that the pages are printed SUPER light and
> gradually get darker the more I use the printer continuously. Eventually
> the
> printer starts printing continuous crisp black pages like new. This is a
> whole page phenomenon (i.e. not gaps, missing areas, etc.).
>
> A picture of the effect can be seen on VFC at:
> www.vcfed.org/forum/attachment.php?attachmentid=52120=1554074105
>
> Sorry for the poor quality picture.
>
> Things I have checked/tried:
>
> 1. Using a brand new NOS toner (according to HP toner does not go bad as
> long as it was sealed - which this was)
> 2. Swapping the new transfer roller for the old one - same problem, I have
> to print out a bunch of pages until the printer starts acting normally.
> 3. I have checked the HV and an image is being transferred to the drum on
> the toner cartridge.
> 4. A visual inspection of the fuser shows it to be ok.
>
> Obviously this is happening printing demo pages so it has nothing to do
> with
> computer, OS, SW, drivers, etc. Anybody run into this before? Any
> ideas/suggestions. My Google fu turned up a bunch of discussions on the
> laser door not being aligned correctly but that would seem to be a more
> permanent issue i.e. unless you fixed the door no pages should print ever.
> Mine gets better on its own after a number of pages are printed. Plus the
> door and spring are fine - I checked them just in case.
>
> I tried posting on FixYourOwnPrinter.com but for whatever reason the site
> was not accepting the question. Any other forums you guys would recommend?
> TIA!
>
> -Ali
>
>
>
>

Re: Xerox Star emulator (Darkstar) released today

[Alexandre Souza via cctalk]

Wow! Thanks for your efforts! I always wanted to fiddle with a Xerox Star
=D

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sáb, 19 de jan de 2019 às 01:36, Josh Dersch via cctalk <
cctalk@classiccmp.org> escreveu:

> Hi All --
>
> Thought you folks might be interested -- I've been working on a Xerox
> Star emulator at LCM+L on and off over the past year and I've finally
> unleashed it upon the world.  It's called Darkstar, it's open source and
> it runs all the Star software I'm aware of.  The Ethernet interface is
> still mostly untested, however.
>
> You can grab the emulator and its source code on our GitHub site
> here:https://github.com/livingcomputermuseum/Darkstar.  Disk images are
> available on Bitsavers as always.  Thanks to Al for providing a lot of
> assistance on this project.
>
> Please let me know if you have any questions or suggestions.
>
> Thanks!
>
> Josh
>
>

Re: Test

[Alexandre Souza via cctalk]

This is a test
designed to provoke an emotional response

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em ter, 15 de jan de 2019 às 03:49, Cindy Croxton via cctalk <
cctalk@classiccmp.org> escreveu:

> Test. Please ignore.
>   IMG_6213.JPG
> <
> https://drive.google.com/file/d/1RTwYMqkRo64MD6u0Siam1kA0JqcY4t-g/view?usp=drivesdk
> >
>

Re: Looking for HP Laserjet IIp+ power supply

[Alexandre Souza via cctalk]

I miss the old IIp / IIIp printers :'( <3 They were small bricks, but they
were so cute
---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em ter, 30 de out de 2018 às 23:01, Charles via cctalk <
cctalk@classiccmp.org> escreveu:

> The main power supply for my ancient Laserjet IIp+ printer has given up.
> Fuse is not blown. Power switch has continuity... don't feel like trying
> to
> debug and repair the "brick".
>
> There are two Sony labels: One says Model RG1-1782 (I think that's the HP
> part number) and the other Model CD-91A, 100-115V.
> Does anyone have a working one in their junkbox?
>
> This is the LAST time I repair it before it goes to the recycler! I think
> I've changed every module except this one.
> It has become my grandfather's axe: new head and new handle, but it's
> still
> my grandfather's axe :)
>
> thanks
> Charles
>
>

Re: source for smt probe clip

[Alexandre Souza via cctalk]

I've got lots and lots in HP probe kits. Just gota brand new HP probe kit
for #40 with some 80 clips and 4 "Hydra" termination cables. The HP P/N is
16715-68702

---8<---Corte aqui---8<---
http://www.tabajara-labs.blogspot.com
http://www.tabalabs.com.br
---8<---Corte aqui---8<---


Em sáb, 27 de out de 2018 às 21:42, Al Kossow via cctalk <
cctalk@classiccmp.org> escreveu:

> Has anyone seen a source for these clips?
>
> http://bitsavers.org/mysteries/salea_clip.JPG
>
> They come with the Salae logic analyzer, and are like the HP logic
> analyzer clips
> in that the wire is detachable, instead of the common style you can buy
> where you have to solder on a wire.
>
>

Re: Advice requested on proper disposal of Seagate ST3000DM001 disk drives

[Alexandre Souza via cctalk]

What about a nuclear bomb?

2018-09-21 20:05 GMT-03:00 dwight via cctalk :

> I'd think a nice blast with a oxy-acetylene  torch should do what is
> needed. Even if it doesn't melt the disk, it will surely exceed the Currie
> point and all data is gone.
>
> Dwight
>
>
> 
> From: cctalk  on behalf of Jerry Weiss via
> cctalk 
> Sent: Friday, September 21, 2018 2:49:30 PM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Advice requested on proper disposal of Seagate ST3000DM001
> disk drives
>
> On 9/21/18 1:06 PM, Fred Cisin via cctalk wrote:
> > On Fri, 21 Sep 2018, Eric Smith via cctalk wrote:
> >> That's way too good for these 

Re: Advice requested on proper disposal of Seagate ST3000DM001 disk drives

[Alexandre Souza via cctalk]

Have you heard about a pointy hammer? :)


2018-09-21 0:37 GMT-03:00 drlegendre via cctalk :

> If you're that intent on firey destruction, it would be much simpler &
> safer to use an oxyacetylene cutting torch, or a plasma cutter.
>
> On Thu, Sep 20, 2018, 10:20 PM Eric Smith via cctalk <
> cctalk@classiccmp.org>
> wrote:
>
> > Anyone have advice on making thermite? Ingredients, sources, proportions?
> >
> > The internet seems to think that just using aluminum powder with ferric
> > oxide is relatively hard to ignite, and that some manganese dioxide would
> > help with that.
> >
> > Without spending too much time shopping, it looks like I can get:
> > * aluminum powder, 5 micron, 2 lb for $34
> > * ferric oxide, 10 lb for $27
> > * manganese dioxide, 1 lb for $39
> >
>

Re: ISO 70's and 80's coax and twinax terminal docs/brochures

[Alexandre Souza via cctalk]

time for a ps2-to-3274-terminal-adapter?

Enviado do meu Tele-Movel

On Wed, Sep 19, 2018, 12:47 Al Kossow via cctalk 
wrote:

> I've started to more aggressively archive material on old IBM and
> compatible coax and twinax
> terminals and was wondering if anyone has documentation scanned or
> squirreled away that I don't
> already have on bitsavers. Most of these have been scrapped by now, and
> surviving keyboards for them
> are going for the high hundreds of dollars now, even from companies like
> Telex or Memorex.
> I started surveying what we have in the CHM collection and about half of
> them have no keyboards :-(
> This is a drag.
>
> Terminals from the PC era forward seem to be in a little better state
> since many appear to have adopted
> some flavor of 5 pin DIN interface.
>
> There are some new pictures of a few Telex coax terminals up now under
> http://bitsavers.org/pdf/telex/terminal
> and I started trying to restore a 276-12 with integrated establishment
> controller
> that I'm going to have to find a keyboard for. Maybe Cindy knows of
> someone who
> has some more old Telex Microswitch keyboards.
>
>
>

Re: Epson HX-20, TRS-80 Model 100 Capacitor Kits

[Alexandre Souza via cctalk]

never, EVER use a drill. add more solder and keep heating the corroded
solder, it will eventually melt and mix with new solder.

using a drill will destroy the board.

Enviado do meu Tele-Movel

On Tue, Aug 28, 2018, 03:38 Marvin Johnston via cctalk <
cctalk@classiccmp.org> wrote:

> Since I have at least four Model 100 and HX-20s, I've decided to just
> replace all the aluminum electrolytics before repair becomes much more
> difficult. So far, I see the project as fairly easy depending on how bad
> the corrosion from the leaking caps is.
>
> Is anyone interested in buying a kit or two of the capacitors? I'm
> guessing buying the parts from DigiKey at low quantity prices will
> result in about $3.50 or so for the bag of about 13 capacitors. US
> postage will probably run a couple of dollars or so, but I can also
> bring them with me to VCFMW. I'll be ordering what I need unless I hear
> others might want the kits as well.
>
> On a similar topic, has anyone given up on cleaning out the corroded
> plated-Thru-Holes, and just soldered on some SMD caps? If so, how did it
> work out?
>
> Finally, just some observations on the corrosion. I finally found some
> information about the corrosion caused by leaking aluminum caps. It
> sounds like the leaking fluid, besides possibly damaging the copper
> traces, also does something to the solder in the PTH such that a
> soldering iron won't melt the solder. Right now, the solder doesn't want
> to melt so I will use a pin vise and about a number 62 drill or so to
> hand drill out the PTH solder.
>

Re: Model 100/HX-20 LCD Display Problems

[Alexandre Souza via cctalk]

I'm looking for a display board...Both 100s I have got, have IC driver
problems


2018-08-26 18:22 GMT-03:00 Marvin Johnston via cctalk :

>
> In getting ready for VCFMW, I started looking at some model 100s and HX-20
> notebook computers. Most of them have blank LCD displays, so I figured
> there might be a common problem.
>
> So far, I've found leaky electrolytics on all of them, usually 10 uF, but
> there are some others with all of them so far associated with the LCD power
> supplies. The Epsons seem less prone to this than the model 100s, but both
> have the problem.
>
> Has anyone that has done repair work on these computers found the major
> problem to be leaky capacitors?
>
> My gut reaction at this point is to just replace all of the electrolytics.
> Does this sound like a reasonable longer term approach rather than just
> replacing the obvious leaky ones?
>

Re: The near-mythical IBM color MDA

[Alexandre Souza via cctalk]

Nice!


2018-08-23 23:29 GMT-03:00 Eric Schlaepfer via cctalk :

> The NEC Multisync monitor thread reminded me that I used one to produce a
> video, and I thought a few of you might enjoy it.
> https://www.youtube.com/watch?v=-TiHFWH4NWk
>

Fwd: Looking for an HP16702A or B logic analyser mainframe

[Alexandre Souza via cctalk]

Dear friends,

I'm trying to find a nice and stuffed 16702A or B to buy, shipped to Brazil
or NV, USA. B preffered but I can use the A.

I'd rather have it already stuffed (a pair of LA cards, oscilloscope and
who know, pattern generator)

Anyone willing to part with one? I can do paypal

Thanks,
Alexandre

aox double time 16 - Any info?

[Alexandre Souza via cctalk]

Greetings!

A friend of mine got a aox double time 16 board into a mac SE

Unfortunately it isn't working (not accelerating the mac) and we're unable
to find any info on it

Any helpers? :o)

thanks
Alexandre

Re: list server maintenance

[Alexandre Souza via cctalk]

\o/ This is a test, designed to provoke a funny response \o/

2018-05-06 19:32 GMT-03:00 Jay West via cctalk :

> Back up, testing.
>
>

Re: Restoring rubber keyboard on a logic analyzer

[Alexandre Souza via cctalk]

http://tabalabs.com.br/videogames/atari/controle_5200/ - that is how I
solved this problem

2018-05-02 15:02 GMT-03:00 Paul Koning via cctalk :

>
>
> > On Apr 29, 2018, at 11:44 PM, Tony Duell via cctalk <
> cctalk@classiccmp.org> wrote:
> >
> > ...
> > It's not cheap (and IIRC you have to use the whole lot in one go), but
> > Chemtronics make a kit to repair such keypads. Possibly worth it for
> > a useful instrument though.
> >
> > In the UK you can get it here :
> >
> > https://uk.rs-online.com/web/p/conductive-adhesives/3888673/
> >
> > and I guess it's also available across the Pond.
> >
> > -tony
>
> It is, and for less money.  The various electronic and industrial supply
> outlets carry it, for example Newark, Digikey, and MSC Direct.  Digikey
> sells it for $23, that's significantly better than 23 pounds...
>
> The Aquadag approach looks interesting, but that may not be as reliable.
> That seems to be a conductive coating intended for rigid objects like CRTs,
> as opposed to a substance intended to repair rubber keypads.
>
> So if my graphite cure doesn't last, it sounds like the Chemtronics
> products is the next answer.
>
> Thanks!
>
> paul
>
>

Re: Rick Dickinson, ZX Spectrum designer, RIP

[Alexandre Souza via cctalk]

Just to add some info to the excellent Liam's post, it was a revolution in
south america too. The first computers in Brazil were ZX80 clones (TK82C is
a ZX80 clone, not a ZX81...ZX81 were cloned just in the TK85 computer) and
it was a revolution! I was a very poor guy, my father was a Militar Police
soldier and he was able to afford (in 24 installments) a TK85 for me. It
was the only affordable computer for the poor for YEARS.

Another interesting thing is that the exterior designs of sinclair
computers were never completely copied in Brazil. TK82C had a case inspired
(but not directly cloned) from ZX80. TK83 was a complete innovative design.
TK85 was a clone of the externals of the ZX spectrum (being a ZX81 clone)
BUT had vents on top and the entire enclosure is taller. TK90X uses mostly
the same enclosure of the TK85 with the vents on diagonal, and TK95 cloned
the commodore Plus4 enclosure.

2018-04-26 9:47 GMT-03:00 Liam Proven via cctalk :

> A lengthy interview with the later great Rick Dickinson, product designer
> of basically every Sinclair computer, who sadly died of cancer on Tuesday.
>
> https://medium.com/@ghalfacree/an-interview-with-
> rick-dickinson-3fea60537338
>
> He not only did the ZX 80, ZX 81, ZX Spectrum and the QL, but also the Z88,
> the Spectrum Next and others -- along with a lot of other stuff.
>
> I know this is a rather USA-centric list, so probably most of you started
> off with things like the Apple II, the first sub-$1000 home computer. But
> in Britain and Europe back then, we were a lot poorer, and $1000 was an
> impossibly large amount of money -- many months of pay in a good job.
>
> I think in my early home-computer days, I never saw a single Apple II --
> they were exotic, expensive foreign machines. I have only seen them in
> recent years, as collectible antiques.
>
> In the UK, the revolution was the first sub-£100 home computer, the ZX 81.
>
> I first used a Commodore PET. Later, a few of my richer friends had
> Commodore 64s. The super-wealthy might have a BBC Micro. In either case, a
> working setup with mass storage -- floppy drives -- was nearing £1000.
> Nobody owned a _monitor_ -- they were exotica for professionals.
>
> Whereas a Spectrum with a Microdrive was a quarter of that and a highly
> usable system, with tens of thousands of games, plus mutiple programming
> languages, word processors, databases and more.
>
> I think if you ask virtually any British person in their late 30s, 40s or
> 50s, in anything connected with IT, what their first computer was, the
> answer would be a ZX 81 or a ZX Spectrum. It was the single range of
> machines that drove the entire computer revolution over here, and also in
> the form of a myriad clones in the Communist Bloc.
>
> Later, imitators came along -- the Oric (6502) and Dragon (6809) ranges,
> for instance. And of course there were many machines that aspired to be
> better: Memotech. Camputers Lynx, Elan Enterprise, etc. All flopped to some
> degree.
>
> The only thing that displaced Sinclair was Amstrad, who made more expensive
> computers but with much better specifications -- an integrated tape drive,
> or floppies, even a printer, and a real monitor. They cost more but still
> less than Commodore or Acorn: you got a lot for your money. Amstrad
> eventually bought Sinclair's models and name, and later still, it launched
> the first _cheap_ PC clones and kick-started the IBM-compatible industry
> over here. But it did it standing on Sinclair's shoulders.
>
> Part of the joy of Sinclair machines (like Apple and Commodore) was their
> very distinctive look -- black, slablike, with tiny discrete bits of
> colour, unlike the grey or beige boxes of virtually all the competition.
>
> And that was down to Rick Dickinson, who only discovered years later how he
> had inspired whole generations of people.
>
> --
> Liam Proven • Profile: https://about.me/liamproven
> Email: lpro...@cix.co.uk • Google Mail/Hangouts/Plus: lpro...@gmail.com
> Twitter/Facebook/Flickr: lproven • Skype/LinkedIn: liamproven
> UK: +44 7939-087884 • ČR (+ WhatsApp/Telegram/Signal): +420 702 829 053
>

Blog in portuguese - are updates allowed/wanted?

[Alexandre Souza via cctalk]

Dear friends
I have a blog in portuguese where I write my adventures in repairing and
maintaining old computers. Today's post is:
http://tabajara-labs.blogspot.com/2018/04/msx-yamaha-yis303yis503-e-seus-irmaos.html

Should I post updates to my blog here? Are these wanted/allowed? I believe
yes to both

Thanks
Alexandre

(and don't forget to click on the ads and share around :) )
(and check often the blog, there are tons of great info :D)
(and google translate is your friend!)
(and the groove is in the heart :D )

Re: WeirdStuff going out of business

[Alexandre Souza via cctalk]

Very sad day :(

2018-04-06 6:33 GMT-03:00 Mark Linimon via cctalk :

> On Thu, Apr 05, 2018 at 08:16:35PM -0700, Eric Korpela via cctalk wrote:
> > I'm not religious, but I consider this a sign of the apocalypse.
>
> Agreed.
>
> I am glad I am far out of driving distance.
>
> mcl
>

Re: Replica IBM 5150 PC motherboard

[Alexandre Souza via cctalk]

What about the ASICs, Ethan? :D
(An A500 recreation was made - the board was RED! :D )

2018-03-08 21:48 GMT-03:00 Ethan via cctalk :

> This turned up on Fess Bouc yesterday and it was news to me.
>> It's a DIY replica of an original IBM PC motherboard:
>>
>
> Someone needs to make the Amiga 3000 motherboard replica.
>
>
> --
> : Ethan O'Toole
>
>
>

Re: An NTSC Atari looks good on a PAL TV. How come?

[Alexandre Souza via cctalk]

These are very common in Brazil. BTW, most tv chipsets made from 10-15 
years to now can decode at least pal-m/pal-g/pal-n/ntsc. Seldomly they 
can decode SECAM.


Em 07/03/2018 07:49, Peter Corlett via cctalk escreveu:

On Wed, Mar 07, 2018 at 09:06:03PM +1300, Terry Stewart via cctalk wrote:
[...]

I'm assuming it's because composite input into "relatively" modern can handle
NTSC and PAL? Is this a reasonable thought? The UAV is not an NTSC converter,
and even the inventor was surprised this worked.


PAL is the superset of analogue TV standards. If one is building a TV which
already contains the expensive components required to decode PAL, tweaking the
constants to also decode NTSC is cheap and economies of scale may make it
cheaper than to make the set PAL-only.

It's been about 20 years since I last saw a nominally PAL TV which couldn't
also decode NTSC.

.

Re: A CD-ROM that is compatible with the 16700A LA!

[Alexandre Souza via cctalk]

try to change sector size on your external cd from 512 to 2048 bytes or
vice-versa. It is a jumper behind the drive.


2018-02-28 3:01 GMT-03:00 Richard Pope via cctalk :

> Hello all,
>  . . . . For those of you who having not been following my trials and
> tribulations with a 16700A in another topic here is a partial update. I
> received this LA from a benefactor who has stepped forward. A real big
> thanks to him. I have run into that incompatibility problem with External
> CD-ROM Drives.
>  . . . . I am disabled and partially housebound. I am living on SSD so
> money is very tight for me. I am looking for a CD-ROM Drive for little or
> nothing that is compatible with the 16700A I have an NEC 3x Drive that uses
> the CD Carriers. Remember those. I have installed this and a Maxtor 245MB
> SCSI drive in an External SCSI box. The Termination on the CD-ROM Drive is
> turned off and I removed the Termination resistors on the HDD. I have a
> Terminator installed on the end of the SCSI bus on the External Case. Could
> someone please help me out? Any and all help is greatly appreciated.
> GOD Bless and Thanks,
> rich!
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
>

Re: A walk through of my legendary warehouse sale in the 1990s.

[Alexandre Souza via cctalk]

What a dream place! :D


2018-01-21 1:23 GMT-02:00 Ed Sharpe via cctalk :

> yikes that was a lot  to carry up the stairs?
>
>
> In a message dated 1/20/2018 7:26:58 PM US Mountain Standard Time,
> cctalk@classiccmp.org writes:
>
>
>  This is a digitized HI8 tape of a walk through of an early Warehouse Sale
> I
> ran from 1995 to 1998. There is a small sections of collectable computers
> in the middle of the tape with a few others scattered through the sale.
> Fond memories and hard to believe it was 22 years ago.
>
> https://youtu.be/8Pme8mZU-Xc
>
> --
> Paxton Hoag
> Astoria, OR
> USA
>
>  utm_source=link_campaign=sig-email_content=webmail>
> Virus-free.
> www.avg.com
>  utm_source=link_campaign=sig-email_content=webmail>
> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>

Re: Large discs (Was: Spectre & Meltdown

[Alexandre Souza via cctalk]

Files grew up in size, in an unbelieable scale.

I follow the tips of my friends: Buy new HDs and use old ones for 
storage. I have a 5TB (expensive) external 3 1/2 HD on my home server, 
and some 1TB HDs used as backups. If you count capacity, cheaper than 
DVDs-DL or BDs.


Em 05/01/2018 00:38, Fred Cisin via cctalk escreveu:

On Thu, 4 Jan 2018, TeoZ wrote:
Hard drives NEVER keep up. Bragging about how many DVD's (90's 
technology) you can store on current HD means little to people who 
have ultra HD Blueray videos that take up to 100GB of space. Heck even 
a single game download can be 50GB these days.


I'd be interested in hearing about opinions of the 100GB "M-disc".  I've 
heard that they have decent longevity, and, the "low" capacity ones are 
interchangeable with conventional DVDs.


I can still put 20 100GB DVDs (2017 technology) on a 2TB 2.5" Thin SATA.
However, I'm also looking for multi-terabyte storage.
Are higher capacity DVDs on their way?
Howzbout multi-TearByte SSDs?


And I wouldn't mind one of those old networked DVD changers (I think 
Sony sold them commercially) to play around with.


I still want one of the ones that Kieth Hensen designed. Converting it 
from CD to DVD would be completely TRIVIAL (finding DVD drives with 
suitable form factors and loading options)


--
Grumpy Ol' Fred ci...@xenosoft.com





I always wanted Keith Hensen's "Kubik"? CD changer.  Big "carousel slide
tray" full of 240?! CDs/DVDs, in a square box, with a drive in each
corner.  The drives were SCSI, and the load/unload/select control was
RS232. The big square boxes could be stacked, for a larger collection, 
and

there was a trivial mod to make the tray removable, so that the top box
could be swapped with as many trays as you had shelf space for.

'course hard drives caught up, and I now have about a thousand DVDs in
MP4s on a shirt pocket HDD.  (including ALL of the Doctor Who's that were
released on DVD, Red Dwarf 1 - XII, Dark Matter, Torchwood, Twilight 
Zone,

Prisoner, Marx Brothers, Doc Martin, One Foot In The Grave, etc.) The DVD
images (V .MP4) take over 5TB.

Re: SOT - Ultimate Classic Computing Geekdom

[Alexandre Souza via cctalk]

Awesome!! :D

Enviado do meu Tele-Movel

On Jan 2, 2018 7:32 AM, "Kevin Parker via cctalk" 
wrote:

>
>
> Hi folks - the family surprised me for Christmas by all contributing to
> some custom plates for my new car.
>
>
>
> This might tell you how well they know me.
>
>
>
> http://koken.advancedimaging.com.au/index.php?/albums/
> 274143f7eae640a16c276e89b953503d/
>
>
>
>
>
>
>
>
>
> Kevin Parker
>
> P: 0418 815 527
>
>
>
>
>
>

Amiga Power Connector. Was: Looking for AMP / TE coaxial connectors - Memorex 651 drive

[Alexandre Souza via cctalk]

I made a quick stopgap power connector for testing an Amiga 500 by soldering 
the leads
of a discarded rack server power supply to 5 small nails, worked just fine.


A small bit of info that may (or may not) interest you:

The strange female connector soldered on pcb of any amiga computer can 
be xchanged by a DIN-8 PCB female connector. Just unsolder the square 
beast, and solder the common DIN-8.


I have to do this in mostly all power-supply-less amigas I get in Brazil :(

Maybe you're interested in this small piece of info :)

Re: Picked up beige Mac G3

[Alexandre Souza via cctalk]

I have a pair of beige G3, checklist:
- PULL the battery. if it is drained, it sometimes won't boot. Sometimes 
even won't power on!

- Take care with the plastics, they're brittle
- The CD **ON THE POWERMAC G3** can be of any brand to boot (most macs 
need an Apple branded CD!). So if you won't boot, probably the cd-romd 
river is gone. Change it for any working IDE drive.

- Use MacOS 9.

Anything else?

Em 11/12/2017 23:04, devin davison via cctalk escreveu:

Battery does not appear to ahve leaked but is planned to be replaced.
I was unaware of having to press a key to boot to cd. Ill give it a
go.
Thanks for the quick response.

--Devin

On Mon, Dec 11, 2017 at 6:54 PM, Chuck Guzis via cctalk
 wrote:

On 12/11/2017 03:35 PM, Adrian Graham via cctalk wrote:



Going from memory you need to press ‘C’ to boot from CD and you might also need 
to replace the PRAM battery.



I'll second the bit about the PRAM battery.   I've got one of these
beige G3 boxes and can affirm that a failing PRAM battery can create all
sorts of strange havoc, including not powering on at all.

Note that said battery is 3.6V, so a CR2032 won't do it.

--Chuck

.

Tandy 1000 keyboard keys

[Alexandre Souza via cctalk]

Greetings from Brazil :)

Just got a Tandy 1000 SX. Nice shape, but it is missing the ESC and F10 
keys. Would someone have a complete assembly (switch + caps) to sell, 
shipping to Brazil incuided?


I'd also be interested in the monitor cable and one or two joysticks.

Thanks!
Alexandre
http://tabajara-labs.blogspot.com

Re: OT: Argh--my old faithful HP16C is failing!

[Alexandre Souza via cctalk]

Chuck, probably the LCD is gone south. But would the thisplay be the same
of contemporary HP calculators (11/12)?

2017-12-02 22:31 GMT-02:00 Chuck Guzis via cctalk :

> Today, I picked up my trusty HP16C that's been with me through thick and
> thin and noticed a black splotch extending across about half the
> display.  This is with the power off.
>
> Is the LCD display failing?  Can it be repaired?   This thing has been a
> a sidekick of my for a very long time and I'd hate to see it go.
>
> Anyone know?
>
> --Chuck
>

Re: TRS80 Model 1 video RAM (2102A)

[Alexandre Souza via cctalk]

Same happened to mine
http://tabajara-labs.blogspot.com.br/2017/03/restauro-do-trs-80-model-1.html
(portuguese, but google translator is your friend :) )

2017-12-01 17:18 GMT-02:00 Adrian Graham via cctalk :

> Hi folks,
>
> After sorting out the Model 4P (thanks to all who provided hints!) and
> scrubbing it up so it almost looks new again I turned attention to my Model
> 1 Level II which had been dead for at least the same amount of time as the
> Model 4. There’s some excellent troubleshooting tips for these machines out
> there and I quickly discovered a bad RAM chip, swap that for a NOS one and
> we’d be back in business if the video RAM wasn’t failing.
>
> One of the 4 2102A chips is failing (MEM SIZE becomes OEO SIZE) and I’d
> like to double check this before I stump up the ukp4 required for a pair of
> NOS ones, can anyone think of a machine from back then that also used 2102A
> or 2102LPFC or NTE2102 video RAM?
>
> Cheers!
>
> —
> Adrian/Witchy
> Binary Dinosaurs - Celebrating Computing History from 1972 onwards
>
>

Re: List Problems?

[Alexandre Souza via cctalk]

>About the only thing I'll ask is if you ever meet me in person at an
event, buy me a glass of beer and I'll be happy.

I'm some 10.000 km from you, I doubt I'll have the pleasure of buying you a
beer in person. Maybe a button we could remotely click? :)

2017-11-07 20:12 GMT-02:00 Jay West via cctalk :

> Yes, I am aware of the list problems. Yes, it went down a couple weeks ago
> and again about a week ago. The issue is that I've been migrating the
> classiccmp server VM from an old falling apart cluster to a new one. Rather
> than just migrate it, I decided to take the time to upgrade everything. All
> software, all dependancies, OS, etc etc.
>
> My approach was to create a new classiccmp server on the new cluster, and
> then migrate one website/ftp site/repository/mailinglist at a time. This
> way I could make sure things are running ok before just moving everything.
> What that means is that as of this moment, some classiccmp related websites
> are on the 'old' but running server, and some are on the 'new' but running
> server. That is why - for just one example - that when the old (but still
> in production) server went down a couple weeks ago (see below)... bitsavers
> still stayed up and running. It had already been migrated.
>
> So on the old falling apart cluster where the old server is, there is a
> horrendous iscsi issue. This is partly a problem with freebsd and some
> silly assumptions made by the developers, or at least lack of time to fix
> it. It's also due to some bad network related items. But mostly it is due
> to the fact that all of our production clients we moved off the old stuff a
> year ago and that hardware isn't well maintained and targeted for
> decommission. That can't happen until my hobby classiccmp list/site, and
> all the vintage computer related sites that I host for free get moved.
>
> Yes, there are active backups of everything. But whenever the iscsi issue
> presents itself, I have to restore the entire VM, and that takes a long
> long time.
>
> So no Aaron - better hosting isn't needed. Nor is any donation. I just
> need to find a bunch of roundtuits so I can finish the migration. Then it
> will be stable again. This is a hobby, and life does intervene at times.
> About the only thing I'll ask is if you ever meet me in person at an event,
> buy me a glass of beer and I'll be happy.
>
> J
>
>
>
>
>
>

Re: Is it really that quiet out there?

[Alexandre Souza via cctalk]

Shhh.. people are sleeping!

Enviado do meu Tele-Movel

On Oct 20, 2017 4:11 PM, "Ian S. King via cctalk" 
wrote:

> I haven't seen any list messages since the 16th.
>
> --
> Ian S. King, MSIS, MSCS, Ph.D. Candidate
> The Information School 
> Dissertation: "Why the Conversation Mattered: Constructing a Sociotechnical
> Narrative Through a Design Lens
>
> Principal Investigator, "Reflections on Early Computing and Social Change",
> UW IRB #42619
>
> Archivist, Voices From the Rwanda Tribunal 
> Value Sensitive Design Research Lab 
>
> University of Washington
>
> There is an old Vulcan saying: "Only Nixon could go to China."
>

Re: CDP1801

[Alexandre Souza via cctalk]

Ops, sorry. I though CDP1802 :\ :(

2017-10-18 23:55 GMT-02:00 Brad H <vintagecompu...@bettercomputing.net>:

> Thanks.. I did try searching there but none come up.  1801s I imagine are
> lot more scarce than 1802s.
>
>
>
> *From:* Alexandre Souza [mailto:alexandre.tabaj...@gmail.com]
> *Sent:* Wednesday, October 18, 2017 6:51 PM
> *To:* Brad H <vintagecompu...@bettercomputing.net>; General Discussion:
> On-Topic and Off-Topic Posts <cctalk@classiccmp.org>
> *Subject:* Re: CDP1801
>
>
>
> It is easy, find them on aliexpress
>
>
>
> 2017-10-18 23:45 GMT-02:00 Brad H via cctalk <cctalk@classiccmp.org>:
>
> Hi there,
>
>
>
> I just purchased an RCA Microtutor minus the rather important CPU card.  I
> can recreate the card but I expect locating the 1801 chips will be
> difficult.  I am just posting this in various forums in case anyone has any
> leads on where I might find either the complete card or the required chips
> to make a replacement.  I'm wondering what, if any devices were built with
> the 1801 that I might be able to scrounge from.
>
>
>
> Thanks again,
>
>
>
> B
>
>
>
>
>
>
> <http://www.avg.com/email-signature?utm_medium=email_source=link_campaign=sig-email_content=emailclient>
>
> Virus-free. www.avg.com
> <http://www.avg.com/email-signature?utm_medium=email_source=link_campaign=sig-email_content=emailclient>
>
>
>

Re: CDP1801

[Alexandre Souza via cctalk]

It is easy, find them on aliexpress

2017-10-18 23:45 GMT-02:00 Brad H via cctalk :

> Hi there,
>
>
>
> I just purchased an RCA Microtutor minus the rather important CPU card.  I
> can recreate the card but I expect locating the 1801 chips will be
> difficult.  I am just posting this in various forums in case anyone has any
> leads on where I might find either the complete card or the required chips
> to make a replacement.  I'm wondering what, if any devices were built with
> the 1801 that I might be able to scrounge from.
>
>
>
> Thanks again,
>
>
>
> B
>
>

Re: Giving away my collection to someone just starting out in the hobby

[Alexandre Souza via cctalk]

Hmmm, been there, done that, I have a pair of cents to add to this
question.
Some people are accumulators, they want everything. Some people wants a
"meaning", or an "objective" to his/her collection. That was my case.

I got lots of computers from a good friend. He had a huge collection and
gave me most of it. Most of them were very desirable computers, and some
uber rare. But my space is limited, and I have an "objective" on my
collection. So I sold some of the computers he gave me, and bought other
computers and peripherals I wanted in my collection. Now I have mostly all
Sinclair computers (had none before), A complete Apple IIe (had none
before), a MSX FS-A1ST (Turbo-R, had no import MSX before) and other
computers most alligned to which I wanted to have (man, how i DO LOVE the
Atari 800...).

So, I did it - got an entire collection and sold some of it - But I don't
consider me a professional seller profitting on the lifetime efforts of my
friend. Even because the net value of what I've sold is less than what I
spent buying. Then, I didn't profit with that.

If I were Steve, I'd expect that some of the stuff will be sold, and the
lucky guy will stay with what he/she loves and cares most. I see no harm in
this kind of action

2017-10-13 7:06 GMT-03:00 Peter Cetinski via cctalk :

>
> > On Oct 13, 2017, at 2:25 AM, Digital Aeon via cctalk <
> cctalk@classiccmp.org> wrote:
> >
> > So ive picked out 4 or 5 systems that mean alot to me.And i want to
> > pass the rest of the collection onto someone starting out in the hobby
> that
> > wouldnt otherwise have the funds to get some of the stuff I have.
> >
> > Steve
>
> A noble approach.  But, watch out for the professional eBay seller posing
> as a collector who will make a nice profit off of your lifetime efforts.

Re: Giving away my collection to someone just starting out in the hobby

[Alexandre Souza via cctalk]

Congratulations for your offering. I believe you will make someone very
happy :)


2017-10-13 3:25 GMT-03:00 Digital Aeon via cctalk :

> After many years of collecting,  Im tired of moving it all
>
> So ive picked out 4 or 5 systems that mean alot to me.And i want to
> pass the rest of the collection onto someone starting out in the hobby that
> wouldnt otherwise have the funds to get some of the stuff I have.
>
> So if there is anyone out there starting out and wants what I have I will
> gladly hand it over to them free of charge.I would like to see this go
> to someone who doesn't have anything.
>
>
> I have apple, commodore, sun, x86 you name it I got it.  about  4
> truckloads full if not more.
>
> Im located in Mid Michigan
>
> Steve
>

Re: Several new items for sale

[Alexandre Souza via cctalk]

Sellam, how hard it is to get a lisa (2) keyboard?

2017-10-07 4:12 GMT-03:00 Sellam Ismail via cctalk :

> I have listed several new items for sale on the VCFed forums.  They are:
>
> Mentor Graphics 433 Workstation
> http://www.vcfed.org/forum/showthread.php?60031-Mentor-
> Graphics-433-Workstation-quot-Wilma-quot=480063#post480063
>
> Case parts for Apple Lisa
> http://www.vcfed.org/forum/showthread.php?60025-Replacement-plastic-case-
> panels-for-Apple-Lisa-(front-base-legs-and-bottom-panel)
>
> HP ThinkJet Printers (HP-IB and RS-232C interfaces)
> http://www.vcfed.org/forum/showthread.php?60033-HP-
> ThinkJet-printers-HP-IB-and-RS-232C-interfaces-excellent-
> condition-and-working
>
> And I still have a bunch of stuff lurking in the shadows waiting for a
> hapless buyer to come along.  Check out the ever evolving list here:
>
> http://www.vcfed.org/forum/showthread.php?58709-New-
> Items-For-Sale-Check-the-List-and-Make-an-Offer-or-Request
>
> And as always feel free to put in a request for me to be on the lookout for
> something as I go through my piles.  Please send all inquiries directly to
> me via e-mail.
>
> Thanks!
>
> Sellam
>

Re: PDP-Lifter

[Alexandre Souza via cctalk]

Steve, you did a great job! Congratulations for your device! :)

2017-10-07 2:53 GMT-03:00 Steve Malikoff via cctalk :

> After the discussion last year about lifting and racking heavy gear, I
> bodged together some hardware and
> came up with the PDP-Lifter. It allows easy movement, lifting and lowering
> for racking and unracking equipment
> in 19" racks. Specifically for PDP-11's and the H960, but could be used
> for pretty much any other old stuff.
>
> I've written a blurb with construction details which you can find at
> http://web.aanet.com.au/~malikoff/pdp11/PDP-Lifter/
>
> (also posted to my blog on the VCF forum)
>
> Steve.
>
>

Re: ftp.compaq.com mirror

[Alexandre Souza via cctalk]

I'd download everything and keep it in a safe place, just in case...


2017-08-08 16:30 GMT-03:00 Eric Christopherson via cctalk <
cctalk@classiccmp.org>:

> On Tue, Aug 8, 2017 at 2:19 PM, Adrian Graham via cctalk <
> cctalk@classiccmp.org> wrote:
>
> > Hi folks,
> >
> > Managed to rescue a Compaq Deskpro EN from the scrap pile at work today
> > and realised it has a proper floppy controller so I can install a 5.25”
> > drive.
> >
> > Trouble is ftp.compaq.com  has disappeared so
> > getting drivers for win98 is going to be difficult unless I have them at
> > work on old driver CDs. archive.org  has a mirror
> of
> > the whole ftp site but it’s 220gb and I’m not sure my little 150mb/s web
> > connection will download that in less than a month :)
> >
> > Did anyone else grab it before it disappeared?
> >
>
> I've found it at
> http://web.archive.org/web/20051120074512/http://ftp.compaq.com:80/ -- and
> that allows you to descend into subdirectories just like on a real FTP
> site.
>
> I'm guessing the one-file download you mentioned was at
> https://archive.org/details/ftp.compaq.com. That page offers a torrent,
> which gives you another way of downloading either the whole thing or just
> parts: you can open that torrent file in a decent BitTorrent client but,
> instead of starting to download the whole thing, go into the list of files
> included and just check off the ones you want to download and keep the rest
> excluded.
>
>
> >
> > cheers,
> >
> > —
> > Adrian/Witchy
> > Binary Dinosaurs - Celebrating Computing History from 1972 onwards
> >
> >
>
>
> --
> Eric Christopherson
>

Re: 90s Computers to a good home.

[Alexandre Souza via cctalk]

A toast for the couple!

Enviado do meu Tele-Movel

On Aug 1, 2017 10:16 PM, "Henry via cctalk"  wrote:

> So in good news I'm getting married, to a beautiful American I'm stealing
> to more temperate climates. South East UK. Long story short it's her or the
> PCs, especially as I have to take on all of "stuff" and I'm quite sure
> donating my two rs/6000-f50s gives me the space.
> I am not using this as surrogate eBay, more if I can give a PC I've had
> rather than selling it to an unknown on eBay.
>
> I also have single core , 128mb ram, SPARCstation, running openbsd.
>
> And a DEC vt510
>
> Throw me an email if anything interests you here,
>
> Regards
> -- H
>
> Sent from my Blackphone with K-9 Mail. Please excuse my brevity.
>

Re: Cleaning a board slightly oxydized ??

[Alexandre Souza via cctalk]

AFAIK, common household and vinegar and citric acid are the same thing. Can
you elaborate, please? O_O

2017-07-31 5:01 GMT-03:00 Christian Corti <c...@informatik.uni-stuttgart.de>:

> On Sun, 30 Jul 2017, Alexandre Souza wrote:
>
>> Light green? Was it battery electrolyte? Wash it with vinegar (yes,
>> vinegar) and after, wash with a good detergent and warm water.
>>
>
> No, *not* vinegar. Use citric acid. You don't want to force the formation
> of copper acetate.
>
> Christian
>

Re: Cleaning a board slightly oxydized ??

[Alexandre Souza via cctalk]

Light green? Was it battery electrolyte? Wash it with vinegar (yes,
vinegar) and after, wash with a good detergent and warm water.
I did a video of the washing part, saving a macintosh.
https://www.youtube.com/watch?v=ez5IbF39SRY
(in portuguese, since I'm Brazilian :) But you can watch it and understand
the workings :oD )

2017-07-30 16:25 GMT-03:00 GerardCJAT via cctech :

> What is the best way to clean a ( populated ) board lightly oxydized  ,
> that shows light green copper oxyde spots ( only on the components side ) ??
>
> Toothbrush +  ??
>

Looking for a 128/512K mac analog board and yoke (!)

[Alexandre Souza via cctalk]

Subject says it all :)

As you may know, mac 128s are hard to spot and expensive in Brazil. I lost
my analog board (lending to a friend) and the tube yoke (!!!). I'd like to
build my 128 again. So, if someone is willing to part with an analog board
and yoke... :) Thanks a lot!

Generating macintosh disks

[Alexandre Souza via cctalk]

Hi there!

Spent all saturday and sunday trying to boot a Mac Plus. Unfortunately I
hadn't any 800K boot disks nor a way to generate them.

I solved the problem using a Classic booting 7.0.1, writting a 7.0.1 1.4MB
disk on PC using winimage, loading this disk on the mac classic, copying
the contents of disk onto a zip disk and booting the mac plus with the zip.

My questions:
- Is there a Macintosh (in)PC emulator which can I read/write this zip
disc?
- Is there an easy way to connect the mac plus to a pc and transfer files?
- How do I generate a 400K disk for a Mac 128K?

Thanks a lot
Alexandre

Re: Tandy 5000 MC Reference disk - found

[Alexandre Souza via cctalk]

Alan, the retrotronics site is yours? I believe it has been hacked. Take a
look on blog history of 2014 and you'll see all the links were changed for
body supplement smething :(

2017-07-16 13:32 GMT-03:00 Alan Hightower via cctalk 
:

>
>
> After a two decade long search, the Tandy 5000 MC Reference disk used
> for Microchannel config has been found. Can be downloaded here:
>
> https://www.retrotronics.org/download/tandy-5000-mc-reference-disk/ [1]
>
> -Alan
>
> Links:
> --
> [1] https://www.retrotronics.org/download/tandy-5000-mc-reference-disk/
>

Re: VT100 keycaps? "Z" wanted

[Alexandre Souza via cctalk]

How hard it is to find a VT340 keyboard?


2017-06-23 22:35 GMT-03:00 Paul Anderson via cctalk :

> Hi Eric,
>
> I should be able to snag one off a spare LA120 kybd. I think they are the
> same style.
> If you still need it, send me your address off list and I'll try to ship
> you one next week.
>
> Paul
>
>
>
> On Thu, Jun 22, 2017 at 2:00 AM, Eric Smith via cctalk <
> cctalk@classiccmp.org> wrote:
>
> > My VT180 is missing the "Z" keycap. Does anyone happen to have
> VT100-series
> > keycaps to spare? (Or an entire keyboard to sell?)
> >
> > Best regards,
> > Eric
> >
>

Re: What happened to PacComm?

[Alexandre Souza via cctalk]

Long time I don't hear this name. I loved packet radio. It saved me from
getting nuts when my father died and I had to move to a landline-less place
:(
73 de PU1BZZ :)

2017-06-08 7:46 GMT-03:00 David Griffith via cctalk :

>
> Does anyone know what happened to PacComm?  The company was known mainly
> for ham radio TNCs.  All of a sudden, their website was gone.
>
> --
> David Griffith
> d...@661.org
>
> A: Because it fouls the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>

Re: Serial keyboards

[Alexandre Souza via cctalk]

Btw...I need a vt-340 keyboard with people willing to send it to Brazil. I
got a (uber rare here) vt-340 in nice condition, but keyboardless :(

And I still hope I'll find someday a complete vt-100 here :)

Enviado do meu Tele-Movel

On Jun 7, 2017 11:26 AM, "Pete Lancashire via cctalk" 
wrote:

I'm a Teletype collector.  I was told of someone who got two machines from
an estate. After tracking down and getting a hold of said person, he had
behind his garage a pile of the Teletypes and typewriters, on all of them
the keytops were ripped off and the machines left for scrap rusting away
while awaiting a trip to a scrap yard.
-pete



On Tue, Jun 6, 2017 at 11:51 PM, Eric Smith via cctalk <
cctalk@classiccmp.org> wrote:

> On Tue, Jun 6, 2017 at 3:48 PM, Guy Sotomayor Jr via cctalk <
> cctalk@classiccmp.org> wrote:
>
> > Yes, I’ve been dealing with the morons who strip the keyboards off of
> (now
> > rare) IBM 327x terminals,
> > cut the connectors off and wire them up to PS/2 or USB.  May they burn
in
> > hell.
> >
>
> I have an IBM 1389194, which is a 122-key model M, apparently for a 3192 G
> series terminal, with APL keycaps. I do not have such a terminal; someone
> else separated the keyboard from it.  I wouldn't mind getting a 3192
> terminal, but I'm not willing to spend much money on one.
>
> https://www.flickr.com/photos/22368471@N04/25859890091/
>
> I'm converting it into a USB keyboard, but I'm doing it in a fully
> reversible manner.  If I burn in hell, I hope it's not because of
modifying
> this keyboard.
>
> Eric
>
> "Why this is hell, nor am I out of it."
> - Christopher Marlowe, The Tragical History of the Life and Death of
Doctor
> Faustus
>
>

Re: Need help reproducing a PCB

[Alexandre Souza via cctalk]

Anders, mind sharing which method you use to redraw a PCB? I have lots of
interest in this subject.


2017-05-10 13:20 GMT-03:00 Anders Nelson via cctalk :

> Hey Jim,
>
> I can probably do this for you but I'm pretty busy for the moment. What's
> your desired timeline? I've been using EAGLE since 2005 so I'm familiar.
>
> =]
>
> --
> Anders Nelson
>
> +1 (517) 775-6129
>
> www.erogear.com
>
> On Wed, May 10, 2017 at 8:23 AM, Doug Ingraham via cctalk <
> cctalk@classiccmp.org> wrote:
>
> > If this is a one off all you need to do is print the negatives on
> > transparency material with a laser printer.
> > The laser printers tend to have a little more opacity than ink jets do
> but
> > I have done this with an ink jet
> > printer as well.  I also once plotted directly on the bare copper with a
> > sharpie and had it turn out ok.
> >
> > Align the negatives on the sensitized board stock.
> > Expose.
> > Develop.
> > Etch.
> > Drill
> > Solder in your feed throughs.
> > Put the parts on the board.
> > Debug
> >
> > If on the other hand you want to make even 5 boards you would be better
> off
> > with your approach.
> >
> > Best wishes!
> >
> > --
> > Doug Ingraham
> > PDP-8 SN 1175
> >
>

Re: Bulk tape eraser

[Alexandre Souza via cctalk]

I'd go to the Athana site, they have some degaussers and a nice write-up
about what can (and can't) be safely degaussed


2017-04-30 11:38 GMT-03:00 Mike Loewen via cctalk :

>
>Looking for recommendations for a bulk tape eraser for SDLT and DLT IV
> tapes.
>
>
> Mike Loewen mloe...@cpumagic.scol.pa.us
> Old Technology  http://q7.neurotica.com/Oldtech/
>

Re: test, please ignore

[Alexandre Souza via cctalk]

This is a test, designed to provoke an emotional response

Enviado do meu Tele-Movel

On Apr 26, 2017 9:39 PM, "Jay West via cctalk" 
wrote:

> Don't need a response, please ignore.
>
>
>
> J
>
>

Re: USA vintage computing trip

[Alexandre Souza via cctalk]

Thanks a lot Evan! But I don't believe this dream can be achieved this
year. Maybe in the next :o)

2017-04-22 1:49 GMT-03:00 Evan Koblentz via cctalk :

> Hi,
>
> I'm going to Kfest for the first time this year, cannot wait!!!
>
> Anyway: if you decide to visit here, then give me a few weeks' notice so
> you can visit the VCF museum in New Jersey. We are in a small town about 60
> minutes south of NYC and 90 minutes northeast of Philadelphia.
> 
> Evan Koblentz, director
> Vintage Computer Federation
> a 501(c)(3) educational non-profit
>
> e...@vcfed.org
> (646) 546-
>
> www.vcfed.org
> facebook.com/vcfederation
> twitter.com/vcfederation
> instagram.com/vcfederation
>

Re: Large Scale Systems Museum announcement

[Alexandre Souza via cctalk]

I still think I gotta find a way to travel to USA and spend a month there,
attending KansasFest and visiting some long time friends :)


2017-04-21 16:44 GMT-03:00 Dave McGuire via cctalk :

>
>   Most of you have heard of the Large Scale Systems Museum, a public
> museum in the Pittsburgh area that is focused on minicomputers,
> mainframes, and supercomputers.  LSSM has been closed for renovations
> and expansion for the past several months; we've added nearly a
> thousand square feet of new exhibit space and many new exhibits.
>
>   On May 6th, there will be a large block party (actually, several
> blocks) here in town, called "New Kensington Better Block", with
> street vendors and other standard block party fare.  LSSM will be
> participating in that event with our post-renovation reopening; we
> will be open to the public all day with docents on duty.  Many of our
> systems will be running and demonstrated throughout the day.
>
>   In even bigger news, LSSM is pleased to announce the opening of a
> brand new wing, the Large Scale Integration Museum, or LSIM.  As the
> name suggests, the LSIM wing is dedicated to computer systems based on
> Large Scale Integration CPUs, from the earliest four-bit 4004
> processors through the desktop computer revolution of the 1970s and
> 1980s.  Thanks to a partnership with Pennsylvania-based nonprofit
> organization Tristate Technology Museum Consortium, and a generous
> donation from the private collection of Corey Little and C/PMuseum,
> LSIM will add more than one hundred new exhibits in four thousand
> square feet of newly-renovated space located in the same building as
> the recently-expanded Large Scale Systems Museum.
>
>   Everyone is welcome.  LSSM is located at 924 4th Avenue, New
> Kensington, PA 15068.  For more information, directions, or hotel
> recommendations, contact the LSSM via email at i...@lssmuseum.org or
> on Facebook (search for "Large Scale Systems Museum").  You can also
> see some photos of our facilities on the Facebook page.
>
>   Please feel free to forward this message to anyone whom you think
> might be interested.
>
> Thanks,
> -Dave McGuire
>  President/Curator, LSSM
>
> --
> Dave McGuire, AK4HZ
> New Kensington, PA
>

Re: Bitsavers size

[Alexandre Souza via cctalk]

Is there interesting of having a "comunity backup" of bitsavers in Brazil?

Here in Sao Paulo we have a network maintained by friends. When we meet, we
all r-sync our secondary backups and when we get home, r-sync the primary
backups. We have many data repositories in safe harbour, and we would be
interested in mirroring bitsavers too.

If it is ok, we can arrange ONE rsync via internet (or HD thru mail) and
share in Brazil.

Thanks
Alexandre

2017-04-20 18:13 GMT-03:00 Yvan Janssens via cctalk :

> At the risk of sounding like a nitpicker, I think that mainly depends on if
> it's a motorway, a highway or the Autobahn.
>
> /y
> On Thu, 20 Apr 2017 at 22:12, Glen Slick via cctalk  >
> wrote:
>
> > On Apr 20, 2017 1:59 PM, "Rich Alderson via cctalk" <
> cctalk@classiccmp.org
> > >
> > wrote:
> >
> >
> > I would suggest using Blue-Ray media, at 25GB or 50GB per disk.  We're
> then
> > down to 6 or 11 platters.
> >
> >
> > What's the thoughput of a station wagon full of Blue-Ray discs hurtling
> > down the highway?
> >
>

Re: TRS-80 curiosity

[Alexandre Souza via cctalk]

Isn't this the buffered expansion cable?


2017-04-12 12:31 GMT-03:00 Tony Duell via cctalk :

> On Wed, Apr 12, 2017 at 3:51 PM, Bill Gunshannon via cctalk
>  wrote:
> >
> > So, I just picked up an MISE from Bartlett Labs (cause I really liked
> > the M3SE I had) and decided to revive one of my TRS-80 MOdel I's.
> > In my box of "stuff" I found an interesting ribbon cable the function
> > of which I don't know.  It is a 40 pin to 50 pin ribbon cable with a
> > black box connecting them that is labeled TANDY.  I know of nothing
> > the Tandy made that used a 50 pin connector other than a hard disk.
> > Could that be what this is for?  Anybody ever seen one?  I no longer
> > have any Tandy External HD's but then, with things like MISE and FreHD
> > why would one still want one other than for nostalgia.
> >
> > bill
>
> Although I never had one, I beleive Tandy made an adapter that plugged
> into the Model 1 expansion bus (40 pin) and gave you a (cut down?)
> Model 3 expansion bus (50 pin). As you suggest it was commonly used
> to connect Model 3 hard disks to the Model 1, but I think it worked with
> some other devices too.
>
> -tony
>

Re: [VideoMagia] Reparando um Vectrex

[Alexandre Souza via cctalk]

Well...there is some description in english, google translate is a very
useful tool and the post has a pertinent video. I cannot view it as spam.
Anyway...sorry for bothering :)

Enviado do meu Tele-Movel

On Mar 24, 2017 12:25 PM, "Paul Koning" <paulkon...@comcast.net> wrote:

> It sure has the signature of spam.  A link to some random place, without
> explanation of what it is, text in Portuguese when the list uses English...
>
> paul
>
> On Mar 24, 2017, at 11:18 AM, Alexandre Souza <
> alexandre.tabaj...@gmail.com> wrote:
>
> Spam? Me? Why?# :oO
>
> Enviado do meu Tele-Movel
>
> On Mar 24, 2017 12:01 PM, "Paul Koning via cctalk" <cctalk@classiccmp.org>
> wrote:
>
>> This sudden flurry of spam is puzzling.
>>
>> paul
>>
>> > On Mar 24, 2017, at 7:40 AM, Stefano Baron via cctalk <
>> cctalk@classiccmp.org> wrote:
>> >
>> > Excelente post!!!
>> > Taba é o cara!
>> >
>> >> Em 24 de mar de 2017, às 01:12, Louis Lipp <louis.l...@gmail.com>
>> escreveu:
>> >>
>> >> Que top Taba! é bem complexo!
>> >>
>> >> 2017-03-24 0:06 GMT-03:00 Alexandre Souza <
>> alexandre.tabaj...@gmail.com>:
>> >>>
>> >>>   Oba, post novo no blog! / New post on blog
>> >>>
>> >>>   http://tabajara-labs.blogspot.com.br/2017/03/
>> consertando-um-vectrex-com-um-defeito.html
>> >>>
>> >>> ---
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> --
>> >>> Videomagia: A lista dos clássicos de verdade!
>> >>
>> >> --
>> >> --
>> >> Videomagia: A lista dos clássicos de verdade!
>>
>>
>

Re: [VideoMagia] Reparando um Vectrex

[Alexandre Souza via cctalk]

Spam? Me? Why?# :oO

Enviado do meu Tele-Movel

On Mar 24, 2017 12:01 PM, "Paul Koning via cctalk" <cctalk@classiccmp.org>
wrote:

> This sudden flurry of spam is puzzling.
>
> paul
>
> > On Mar 24, 2017, at 7:40 AM, Stefano Baron via cctalk <
> cctalk@classiccmp.org> wrote:
> >
> > Excelente post!!!
> > Taba é o cara!
> >
> >> Em 24 de mar de 2017, às 01:12, Louis Lipp <louis.l...@gmail.com>
> escreveu:
> >>
> >> Que top Taba! é bem complexo!
> >>
> >> 2017-03-24 0:06 GMT-03:00 Alexandre Souza <alexandre.tabaj...@gmail.com
> >:
> >>>
> >>>   Oba, post novo no blog! / New post on blog
> >>>
> >>>   http://tabajara-labs.blogspot.com.br/2017/03/consertando-um-
> vectrex-com-um-defeito.html
> >>>
> >>> ---
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> --
> >>> Videomagia: A lista dos clássicos de verdade!
> >>
> >> --
> >> --
> >> Videomagia: A lista dos clássicos de verdade!
>
>

Reparando um Vectrex

[Alexandre Souza via cctalk]

   Oba, post novo no blog! / New post on blog

   
http://tabajara-labs.blogspot.com.br/2017/03/consertando-um-vectrex-com-um-defeito.html

---

Re: FS: Microsoft Windows 1.0 in original retail package

[Alexandre Souza via cctalk]

Probably you wanna say "original retail package" :)


2017-03-19 21:54 GMT-03:00 Sellam Ismail via cctalk :

> I have for sale a complete copy of Windows 1.0 (release 1.01) in the
> original retail pricing.  Please check out my ad on the VCF forums for
> complete info:
>
> http://www.vcfed.org/forum/showthread.php?56814-Microsoft-Windows-1-0-in-
> original-retail-packaging-complete
>
> Thanks!
>
> Sellam
>

Looking for cassete basic rom code

[Alexandre Souza via cctalk]

   Dear friends

   Is it allowed to request a ROM code?

   I lost my XT BASIC ROMS, can someone send me the code so I can burn it 
and replace on my XT?


   Thanks!
   Alexandre

---

Re: Cassette Interface Assistance

[Alexandre Souza via cctalk]

74hc(or ls)14

Enviado do meu Tele-Movel

On Feb 28, 2017 12:55 PM, "Jim Brain via cctalk" 
wrote:

> Analog, which is my nemesis, curses me again.
>
> I have a cute idea for a cassette port project for the Tandy line of
> computers (the ones with the cassette port).  I have a Coco 3 on the bench,
> so I scoped the output line while doing 'csave "jim"'.  The signal looks to
> be just under 1V PtP (0-1V on the scope), and rests at about .3V when not
> sending data.
>
> I have tried 6 different ways to boost the signal to 5V digital, to no
> avail, and so I ask humbly if someone with analog knowledge might be able
> to assist.
>
> I first tried to boost the signal with a transistor (with variations using
> a N channel FET as well). Arguably, that was foolhardy, and it did not work.
>
> My second attempt was based on this link that was shared with me:
>
> http://labs.rakettitiede.com/12kbps-simple-audio-data-transfer-for-avr/
>
> The output from the Coco3 does not appear to be "loud" enough to work with
> this circuit.
>
> So, I finally decided a comparator solution would be required.
>
> First, I tried a design using a 741 op-amp, which failed miserably, but
> probably would have worked, but I tried to merge the design from the Coco1,
> and replace the LM339 in the Coco 1 design with the 741, and I feel I did
> not merge the designs well :-)
>
> I then tried using the comparator in an Atmel AVR, and had minimal
> success.  By biasing one input via a variable resistor to around .8V, I was
> able to get a digital stream, but it did not look like the data stream of
> the cassette format.
>
> I then pried an LM339 out of my Coco1 and replicated the circuit int the
> Coco 1, as noted in the tech manual:
> Color Computer Technical Reference Manual (Tandy).pdf <
> http://www.colorcomputerarchive.com/coco/Documents/Manuals/
> Hardware/Color%20Computer%20Technical%20Reference%
> 20Manual%20%28Tandy%29.pdf>
>
> I was shocked that I had no success with that design at all.  I assumed
> (wrongly, it appears) that the Coco cassette input circuit would read the
> output of it's output circuit.  Beyond the possibility that my components
> are defective or I wired it up wrongly, I can only theorize that Tandy
> assumed that all tape recorders would AGC the output and then feed a 2V PtP
> signal back to the Coco (the Coco 1 circuit looks to bias the comparator at
> 1.05V (not sure about the feedback resistor's impact))
>
> I can fiddle around with the AVR solution, which might work if I can
> smooth out the spikes and bias the comparator right, but it just bothers me
> that the Coco 1 circuit does not work, as I assumed I would at least have
> success by copying a working design.
>
> Jim
>
>
>
> --
> Jim Brain
> br...@jbrain.com
> www.jbrain.com
>
>

Re: SONY NWS-1250 PSU

[Alexandre Souza]

completely safe.


2017-01-28 17:12 GMT-02:00 Plamen Mihaylov :

> I recently obtained Sony portable model - NWS-1250 from Japan.
> There is a bottom label "AC 100V", however the PSU has 100-120V and
> 220-240V label.
> The exact PSU model is Sony 1-413-548-11.
> Is it safe to plug it in 220V AC or to wait the arrival of step-down
> transformer ?
> The other problem is that the disk has been wiped. Does anyone have NEWS-OS
> CISC version media ?
>
> Best regards,
> Plamen
>

Re: I finall flashed my XTIDE rev 1, now what?

[Alexandre Souza]

Simple way I got several XT-IDE working:
- Boot with freedos boot disk
- FDISK /MBR
- FDISK and create ONE 31MB partition (note it is 31MB and not 32MB)
- Reboot
- Format C: /s /u (the /u is very important)
- REBOOT. There is a bug on freedos that a copy command gives a heap
corruption after a format
- Do whatever you want, even creating a D: partition of 2GB

This is what I did in many CF cards that didn't worked before.

2017-01-28 0:13 GMT-02:00 Fred Cisin :

> On Sat, 28 Jan 2017, Randy Dawson wrote:
>
>> I have a Compact Flash adapter and card, while I wait for the soldering
>> iron to heat up and make the power cable for it, I wanted to ask, what are
>> the next steps?
>> FORMAT, or FDISK /MBR?
>>
>
> It is not clear what you are attempting to do.
>
> If you have a drive that looks like an XT drive with controller to the
> computer, and it has not been used before, then
> MS-DOS would normally want a low-level-format, which presumably does not
> need to be done in this case, and for which FORMAT.COM is absolutely no
> help, anyway.   Low-level-format was done by IBM's "Advanced Diagnostics",
> or by third party programs, or by doing a jump to code in the ROM of the
> controller.
>
>
> If it doesn't need low-level-format, then the next step is partitioning
> (or do you already have a FAT16 partition on it?), for which you use
> FDISK.  NOT FDISK /MBR.   FDISK when it creates the partition, will create
> the partition table and Master Boot Record in the first sector.
>
> MS-DOS from V2.00 to V3.30 is limited to 32MB.
> Compaq MS-DOS 3.31, and any MS-DOS 5.00 and above supports up to 2GB
> drives.
>
> FAT16 in NTFS and other systems that support it can go to 4GB.  But,
> MS-DOS uses a SIGNED long 32 bit int, permitting drive sizes from -
> 2147483648 to 2147483647.  Yes, there are some parts of MS-DOS that
> support negative file sizes and drive sizes
>
>
> If it is already low-level-format'ed and partitioned, then FDISK /MBR
> (which was not always documented) will rewrite the partition table and
> Master Boot Record.
>
> THEN you want to FORMAT x: /S   where x: is the drive letter.
> /S of FORMAT tells it to also put the 3 OS files on it:
> IO.SYS   (hidden file that must be in specific location)
> MSDOS.SYS   (hidden file that must be in specific location)
> COMMAND.COM  reasonably "normal" file that can be copied with a "normal"
> file copy.
> (Or IBMBIO.COM, IBMDOS.COM, COMMAND.COM if you were using PC-DOS)
>
> At that point, it should be fully bootable!
> Although some hardware might require specific content in root directory
> files CONFIG.SYS and AUTOEXEC.BAT .
>
> You should still create a DOS directory, and copy all of the other DOS
> files into there, such as FORMAT.COM, FDISK.COM, DEBUG.COM, etc.
> Putting all of those in the root directory will work, but is a bad idea.
> In early versions of MS-DOS, just about all of the DOS executable programs
> were .COMLater, as they started to exceed 54K, they started using .EXE,
> but NAMING them .COM "for compatability".  Now, they are probably all .EXE
> since MICROS~1 can not do a "Hello, World" in less than 64K.
>
>
> What is the recommended way to initialize the CF flash and put a system on
>> it?
>>
>
> no idea.  I just laid out the MS-DOS steps to prepare a hard disk.
>
> Run CHKDSK Find your copies of LINK.EXE and EXE2BIN.EXE , which you will
> need for assembler and compilers.  Originally, they came with MS-DOS.  Then
> for a while MS-DOS said that they came with the compiler, and the compiler
> said that they came with MS-DOS.
> The MS-DOS executables (including LINK and EXE2BIN) will balk at running
> on a version of DOS other than what they came with.  For THAT, V5.00
> includes SETVER , which lets MS-DOS lie about its version for such programs.
>
>
> Anything special to do, so that I can use the whole 2GB of the flash?
>>
> Need to use DOS V3.31 or above to get past 32MB, other than that, it would
> be a function of the adapter?   and, of course FDISK, . . . Prior to V3.31,
> the work around was to break up a drive into multiple 32MB partitions.
>
> (BTW, MB to FDISK is 2^20 (1048576), NOT the silly numbers used by drive
> peddlers, such as 1000 * 1024.)
>

Re: PS2 Model 30 memory

[Alexandre Souza]

Are they different than plain 30 pin simm? I remember I had one of these,
had a 30 pin simm, used it as a keyholder, when first 386 boards appeared,
I sold it to use on a 386 for a hefty price! :oD

AFAIR, these are common 1mb 30 pin simm
http://www.terapeak.com/worth/vintage-30-pin-simm-pulled-from-ibm-ps2-30-268-8530-e01/131699477584/


2017-01-26 6:09 GMT-02:00 jim stephens :

> I have a friend who wants to add more memory to a PS2 model 30. They are
> off in the wilds of Oz and acquired this for a good price and would like to
> just upgrade it to run some programs they have which do not run on modern
> faster systems.
>
> I know this is a snake pit to deal with, and can get more info if someone
> can get me some information or point me at references for them to look at.
>
> What I'm really interested in doing is seeing if just the memory can be
> had, and it isn't easy to find Sim modules these days, though I suspect
> there are metric tons of them rotting in places forgotten and not recycled
> yet.
>
> anyway any info to get started would be useful.
>
> i see there are entire systems on epay, and may suggest just buying one of
> them and cannibalizing them for their memory should the asking price for
> the individual SIMM parts be ridiculous.  i could buy the system, us the
> system to be sure the memory does something and send them the memories
> alone for reasonable shipping.  It would also net them a backup hard drive
> which are very scarce in even good times as well.
>
> I'm hoping that the memories were common to other systems and not some
> oddball special IBM part.  Old advertisements that show up on google show a
> number of people making them, but that doesn't mean they can be found now
> of course.
>
> thanks
> jim
>
>