Re: x86/DOS system backup via rs232?

On Thu, Nov 12, 2015 at 3:05 PM, Mouse wrote: > > As per subject line, does anyone know of any util that will back up > > an x86 PC running some variant of DOS (MS, Compaq etc.) via rs232 to > > a remote system? (Linux preferable on the remote, but other options > >

Re: Computers in Election Vigils - take two

On Fri, Oct 9, 2015 at 10:55 AM, Alexandre Souza < alexandre.tabaj...@gmail.com> wrote: > After the fiasco about the Deibold machines changing votes during the Bush >> election of 2000, Brazil opted for them? >> > >Yep. Welcome to the land of the stupid. > The county I live in has paper

Re: TK50/TK70 Info

I can confirm that back in the day (has that been 25 years ago now?) I was able to read a couple of TK-50's I'd made in school with a TK-70 that I had access to through a friend's work. Mind you, even new the TK-50 was a woe-be-gotten piece-of-x that worked right about as often as the Cubs

Re: Sales of unearthed Atari games total more than $100,000

On Mon, Aug 31, 2015 at 10:09 AM, Mike Whalen wrote: > On August 31, 2015 at 10:17:25 AM, Peter Cetinski (p...@pski.net) wrote: > > I had the same sad experience when they released Pac Man for the 2600. > I do remember feeling disappointment when I got Pac Man. It was

Re: 12" Floppy Disks

On Tue, Sep 15, 2015 at 7:27 AM, tony duell wrote: > > > > I've been contacted by a teacher who's looking for any information about > > 12" floppies. Am I imagining that they really existed? I'm sure I've seen > > one or seen adverts for them, maybe at Bletchley Park.

Re: Backups [was Re: Is tape dead?]

On Tue, Sep 15, 2015 at 2:07 PM, Thomas Kula wrote: > On Tue, Sep 15, 2015 at 03:32:27PM -0400, et...@757.org wrote: > > > > I would cut multiple tapes of anything you care about! > > > > It's not simply enough to cut multiple tapes (backups) of anything you > care about --- you

Re: PDP-11 architecture Was: internet blocking problem ?

On Fri, Sep 11, 2015 at 8:39 AM, Johnny Billquist wrote: > On 2015-09-11 16:36, Noel Chiappa wrote: > >> > From: Jon Elson elson >> >> > I actually LIKED the PDP-11 architecture quite a LOT, but the >> limited >> > memory was a big killer. >> >> The good thing

Re: PDP-11 architecture Was: internet blocking problem ?

On Fri, Sep 11, 2015 at 9:03 AM, Paul Koning <paulkon...@comcast.net> wrote: > > > On Sep 11, 2015, at 10:49 AM, Warner Losh <i...@bsdimp.com> wrote: > > > > ... > > I loved the PDP-11 architecture, until I wanted to run programs on it > that > > re

Re: PDP-11 architecture Was: internet blocking problem ?

On Fri, Sep 11, 2015 at 9:19 AM, Johnny Billquist <b...@update.uu.se> wrote: > On 2015-09-11 16:49, Warner Losh wrote: > >> On Fri, Sep 11, 2015 at 8:39 AM, Johnny Billquist <b...@update.uu.se> >> wrote: >> >> On 2015-09-11 16:36, Noel Chiappa wr

Re: "Bounce buffer" copyright [was Re: flash (or ide) storage for unibus 11?]

On Sat, Nov 28, 2015 at 7:19 PM, Jerome H. Fine wrote: > >Mouse wrote: > > Love that term, "bounce buffer" (I wrote a whole package to support them in a packet switch I did) - I'm officially adopting it, right now! :-) Hey - anything that anyone writes

Re: IDE knowledge anyone?

On Mon, Dec 7, 2015 at 4:35 PM, Brad Parker wrote: > On 12/7/15 6:52 AM, Oliver Lehmann wrote: > > I don't have much to offer, but I have done PIO IDE accesses on lots of > cpu's, including small ARM cpu's. I would put the code into a "read loop" > and "write loop" and look at

Re: Re-inking printer ribbons

On Sun, Dec 13, 2015 at 10:28 AM, Jules Richardson < jules.richardso...@gmail.com> wrote: > > Has anyone had any luck re-inking printer ribbons? > > I spent a few minutes looking at this Vic 1525 printer that I got the > other day - turned out that the carriage was just gummed up and there was a

Re: Floppy recovery

Attempting to read floppies with the wrong kind of drive can also cause damage. Back in the day, people were all aflutter about drive rings and how having them or not having them caused damage when they read the floppy in a 'foreign' setting. There were rumors about head clearance and such also

Re: DEC Rainbow PC100-A

Would love to help, but I have the PC100-B. The PC100-A board is somewhat different than the PC100-B, but not super different. Have you checked the diagnostics table in the technical reference to see what all LEDs lit means? I'd crack open my copy, but it is buried in boxes at the moment. Warner

Re: DEC Rainbow PC100-A

On Mon, Jan 18, 2016 at 10:13 AM, tony duell wrote: > IF the PC100-A is like the PC100-B (which I have full schematics for)... > > > All LEDs on, means, "replace the system board". > > > > I'm not sure, he wanted to hear that ;-) > > And it's not even right!. You can

Re: Quadra 660AV what's with the "PowerPC" label?

> On Jun 15, 2016, at 12:39 PM, Swift Griggs wrote: > >>> and BSD is better on servers. >> *Ridiculously* contentious. I'm seeing and hearing of little _real_ >> adoption. Netflix streams 39% of peak US internet traffic[*] from FreeBSD servers. At the high end, we’re

Re: Current source for RX50 media?

On Fri, Jun 24, 2016 at 10:13 PM, Fred Cisin wrote: >>> 2) It's been too long so I don't remember, but don't you use normal pc >>> floppies (5.25) and PUTR can format them? > > On Fri, 24 Jun 2016, Ethan Dicks wrote: >> >> Yes, but you need the right type of PC floppy because

Re: Grey Wall (VMS) available

On Fri, Jun 24, 2016 at 1:24 PM, Jay West wrote: > > Mark wrote... > - > Please say southern California... ;) > - > No, but at least the general region > > The lady got back with me just now and provided the following additional > info (including location).

Re: Current source for RX50 media?

On Fri, Jun 24, 2016 at 10:20 PM, Ethan Dicks wrote: > My usual 5.25" drive (I have several) is the Teac FD55GFR - strapped > for RX33 use with DEC controllers or strapped slightly differently for > PC use (I know the directions are floating around) The RX-50 is a 80-track

Re: Current source for RX50 media?

On Fri, Jun 24, 2016 at 11:54 PM, Warner Losh <i...@bsdimp.com> wrote: > On Fri, Jun 24, 2016 at 10:20 PM, Ethan Dicks <ethan.di...@gmail.com> wrote: >> My usual 5.25" drive (I have several) is the Teac FD55GFR - strapped >> for RX33 use with DEC controllers

Re: Mentec manuals

On Thu, Feb 4, 2016 at 7:47 AM, Paul Koning wrote: > > > On Feb 4, 2016, at 5:06 AM, Dave Wade wrote: > > > >> > >> The only place the "Compaq" logo appears is for the funny cover pages > > which > >> are very thick paper with a window to allow the

Re: Algorithmic pricing gone critical - Re: PDP-10 programming [was RE: Dumb Terminal games (was Re: Looking for a small fast VAX development machine)]

On Wed, Mar 2, 2016 at 12:59 PM, Robert Jarratt wrote: > > > > -Original Message- > > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william > > degnan > > Sent: 02 March 2016 03:30 > > To: General Discussion: On-Topic and Off-Topic Posts >

Re: DECmate II Questions

On Sat, Apr 2, 2016 at 11:49 AM, Paul Koning wrote: > > > On Apr 2, 2016, at 1:27 PM, Robert Jarratt > wrote: > > > > I have been looking at my DECmate II recently. I got an Italian version > of > > WPS 1.0 for it and that works fine, except

Re: The Right Way to Email - was Re: C & undefined behaviour - was Re: tumble under BSD

On Mon, Apr 4, 2016 at 10:30 AM, Mike Stein wrote: > > Mainstream popularity is not just the much-maligned Windows on PCs, > but also iOS and Android on smart phones and tablets, and the web-based > email... I for one am glad to see the PC finally get its comeuppance from

Re: Windows 1.0 For DEC Rainbow

I have it on floppies, but no easy way to read those floppies onto a networked computer... Warner On Fri, May 13, 2016 at 3:31 AM, Pontus Pihlgren wrote: > On Fri, May 13, 2016 at 07:40:08AM +0100, Robert Jarratt wrote: > > I understand that DEC created a version of

Re: Windows 1.0 For DEC Rainbow

On Wed, May 18, 2016 at 5:04 AM, Jerome H. Fine <jhfined...@compsys.to> wrote: > >Warner Losh wrote: > > I have it on floppies, but no easy way to read those floppies onto a >> networked computer... >> >> Warner >> >> On Fri, May 13, 2016

Re: Mini-RSTS

Cool brochure. When was this price list in force? Warner On Sun, May 1, 2016 at 1:44 PM, Mattis Lind wrote: > Yet another nice DEC sales brochure from early seventies. > > This time DEC education MINI-RSTS-11. It mention PDP-11/21-CA! > >

Re: File systems expert for a news article (urgent)

Host-aware SMR doesn't require changes, but will benefit from them The host can optimize where things are placed and the order it does things, but otherwise needs no changes. And even if you don't change things, it will still work, but maybe with really bad performance. Host-managed SMR does

Re: Imaging and Emulating Rainbow

On Sun, Aug 14, 2016 at 11:35 AM, Rob Jarratt wrote: > > >> > Oh dear. VMS would not let me MOUNT/FOREIGN, it said: >> > >> > %MOUNT-F-FORMAT, invalid media format >> > >> > So I couldn't mount it to do the BACKUP/PHYSICAL. >> > >> > What options do I have to

Re: Imaging and Emulating Rainbow

I've read Rainbow disks with both Linux and FreeBSD's floppy drivers. However, the track layout is 'weird' and I never hacked together anything to cope so that mount and friends would be able to read the disks. There was a raindrive.sys, iirc, that did this well enough for DOS to access the

Re: DEC items to either pick up, ship or drop off at VCF midwest

On Wed, Jul 13, 2016 at 5:20 PM, Greg Stark wrote: > I'm new here so maybe I'm wrong but isn't the norm that sellers offer items > for sale and buyers makee offers for those items? > > It doesn't seem reasonable to me for you to request buyers provide you with > a list of what they

Re: VMS stability back in the day (was Re: NuTek Mac comes)

On Fri, Jul 15, 2016 at 7:49 AM, Swift Griggs wrote: > On Thu, 14 Jul 2016, Richard Loken wrote: >> And I don't get this notion about lifting the network code out of Tru64 >> since VAX/VMS had UCX (not my favourite network package) before the >> Alpha and associated OSF/1,

Re: RL02 version of UNIX6?

On Thu, Feb 2, 2017 at 11:50 AM, Paul Koning wrote: > >> On Feb 2, 2017, at 1:41 PM, Noel Chiappa wrote: >> >>> From: Phil Blundell >> >>> I suspect it would probably not be all that hard to write some >>> sort of preprocessor to convert such

Re: RT-11 Basic source available

I'd be interested... Warner On Sun, Jan 29, 2017 at 2:22 PM, Noel Chiappa wrote: > Hi, I don't know if this is of any use/interest at all, but I have retrieved > an old/early copy of RT-11 Basic (V01-05 18-JUL-73, DEC-11-LBACA-A-LA1) > modified to run under V6 Unix, if

Re: LMI Lambda?

On Thu, Feb 9, 2017 at 9:26 AM, Paul Koning wrote: > >> On Feb 9, 2017, at 11:16 AM, Liam Proven wrote: >> >> On 9 February 2017 at 18:06, geneb wrote: >>> If you don't (at least) have the official distribution media, then >>>

Re: What's the rarest or most unusual computer-related item

I have an Ultrix daemon mouse mouse pad Don't know if that qualifies as unique or not based on all the other cool stuff that has flown by... Warner On Mon, Jan 16, 2017 at 8:02 PM, Tom Watson wrote: > Most unusual: > > I've got a complete card deck of Witran for the IBM

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

On Fri, Aug 19, 2016 at 1:00 AM, Huw Davies wrote: > >> On 19 Aug 2016, at 02:31, shad wrote: >> >> It seems that copies of this software are really difficult to find, but a >> complete copy >> was available on the latrobe ftp DEC

Re: vt100 terminfo with padding for an actual vt100?

On Mon, Sep 5, 2016 at 10:30 AM, Peter Coghlan wrote: >> >> The usual answer, from back in the day, was to make sure hardware flow >> control was on and working at higher speeds. If you don't have that, >> you are going to lose > 9600 baud. I spent way too much time

Re: vt100 terminfo with padding for an actual vt100?

The usual answer, from back in the day, was to make sure hardware flow control was on and working at higher speeds. If you don't have that, you are going to lose > 9600 baud. I spent way too much time pulling fat cable to enable this after we'd wired the building with 3-wire cable for the VT52's

Re: Finding developer docs for VME hardware?

On Sun, Sep 11, 2016 at 1:03 PM, Al Kossow <a...@bitsavers.org> wrote: > > > On 9/11/16 9:08 AM, Warner Losh wrote: >> Most of the VME gear pre-dates folks putting it online on their web >> sites. This means that what exists is on paper and since there was >

Re: Y Combinator is restoring one of Alan Kay's Xerox Alto machines

On Fri, Sep 9, 2016 at 2:56 AM, Eric Smith wrote: > Note that the speed grade of a DRAM only guarantees that it is at > least as fast as the grade; it may be faster. For instance, an > MK4116-2 is rated for maximum 150 ns access, while an MK4116-3 is > rated for maximum 200

Re: Finding developer docs for VME hardware?

Most of the VME gear pre-dates folks putting it online on their web sites. This means that what exists is on paper and since there was never the fanatical devotion to preservation like the pdp-11 gear in that community, most of it is gone to the landfill. Plus DEC's documentation is way better

Re: My first 10BASE5 network segment

On Thu, Aug 25, 2016 at 11:16 PM, tony duell wrote: >> >> You will need to terminate the coax. >> >> (terminator)-. . . >> (terminator). > > He said he has connected a 47 Ohm resistor at each end of the > coax. That's close enough

Re: Collection of stuff in Austin (ebay warning) listed before

That was fast, it's already gone... Warner On Sun, Nov 13, 2016 at 10:07 PM, jim stephens wrote: > I did not go back thru the list for the prior discussion of this, but found > this pile listed again, local pickup in Austin. IIRC, the seller was a > flake listing and

Re: TOPS-20 Telnet and Port Forwading issue

On Mon, Dec 12, 2016 at 11:04 AM, Seth Morabito wrote: > Hi folks, > > I don't know if this is the best place to ask this question, but I don't > know of any better forums for PDP-10 discussion, so hopefully it's > on-topic enough. > > I recently set up the KLH10 PDP-10

Re: TOPS-20 Telnet and Port Forwading issue

On Mon, Dec 12, 2016 at 11:10 PM, Warner Losh <i...@bsdimp.com> wrote: > On Mon, Dec 12, 2016 at 11:04 AM, Seth Morabito > <lists+cct...@loomcom.com> wrote: >> Hi folks, >> >> I don't know if this is the best place to ask this question, but I don't >

Re: Unknown 8085 opcodes

On Wed, Jan 11, 2017 at 8:33 PM, Jon Elson wrote: > On 01/11/2017 11:16 AM, Hayden Kroepfl wrote: >> >> Looking at the values it almost looks like it's ASCII text and >> not actual code data. > > > BINGO!! >> >> On Wed, Jan 11, 2017 at 10:10 AM, Adrian Graham >>

Re: MC68K's on DEUNA's

On Fri, Mar 24, 2017 at 12:01 PM, Bill Gunshannon via cctalk wrote: > > > From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Noel Chiappa via > cctalk [cctalk@classiccmp.org] > Sent: Friday, March 24, 2017 1:43 PM > To:

Re: CF cards as storage - wear leveling

On Sun, Mar 19, 2017 at 10:06 AM, Jules Richardson via cctalk wrote: > > I just bought an IDE-CF adapter the other day with the intention of > replacing the spinning rust in my disk imaging system (which is some > early/mid-90s 80486-based thing). > > However, the CF entry

Re: Pair of Twiggys

On Thu, Mar 16, 2017 at 9:28 AM, geneb via cctalk <cctalk@classiccmp.org> wrote: > On Wed, 15 Mar 2017, Warner Losh via cctalk wrote: > >> I'm waiting for the rise of cell phones to make it >> >> 202x All the world's an ARM running Android >> > on Linux.

Re: Dore' on FreeBSD today

On Sun, Mar 19, 2017 at 3:37 PM, Torfinn Ingolfsen via cctech wrote: > FWIW, Dore'[1] doesn't compile out of the box on FreeBSD 10.3-stable: > ./config/imake/imake -I./config/cf -DTOPDIR=. -DCURDIR=. > ./config/imake/imake: No such file or directory: Cannot exec >

Re: Pair of Twiggys

On Wed, Mar 15, 2017 at 1:13 PM, geneb via cctalk wrote: > On Wed, 15 Mar 2017, Fred Cisin via cctalk wrote: > >> Below the user interface, is Android very similar to Linux? >> > I'm pretty sure Android runs on top of Linux. Android runs a hacked BSD libc on top of a linux

Re: Pair of Twiggys

On Wed, Mar 15, 2017 at 4:55 PM, Toby Thain via cctalk wrote: > On 2017-03-15 5:17 PM, Peter Coghlan via cctalk wrote: >>> >>> >>> The whole idea of an "operating system" seems to have morphed into the >>> notion of a user interface. >>> >>> To my way of thinking,t he

Re: If C is so evil why is it so successful?

On Wed, Apr 12, 2017 at 12:43 PM, Sean Conner via cctalk wrote: > It was thus said that the Great Alfred M. Szmidt once stated: >>It was thus said that the Great Noel Chiappa via cctalk once stated: >>> > From: Alfred M. Szmidt >>> >>> > No even the

Re: WTB: DEC Rainbow Expansion Memory

On Wed, Apr 12, 2017 at 11:06 AM, Stephen Pereira via cctech wrote: > I’m looking for expansion memory for my DEC Rainbow. > > I currently have 128K RAM, and I’d like to have 256K RAM, so I can actually > use the Lotus 1-2-3 that I recently purchased (without thinking). >

Re: WTB: DEC Rainbow Expansion Memory

t; Thanks again for the advice. Bummer. The cards come up from time to time in different places, but there's none on ebay right now. Last summer there were like 5, including one that had an 8087 coprocessor option... > smp > -- > Stephen M. Pereira > Bedford, NH 03110 > KB1SXE &g

Re: WTB: DEC Rainbow Expansion Memory

PM, Stephen Pereira <spereira1...@comcast.net> wrote: > Wow. Since misery loves company, I guess we make a great pair today! > > Good luck with your equipment! > > smp > -- > Stephen M. Pereira > Bedford, NH 03110 > KB1SXE > > On Apr 12, 2017, at 3:41

Re: WTB: DEC Rainbow Expansion Memory

> > smp > -- > Stephen M. Pereira > Bedford, NH 03110 > KB1SXE > > On Apr 12, 2017, at 3:07 PM, Warner Losh <i...@bsdimp.com> wrote: > > On Wed, Apr 12, 2017 at 1:00 PM, Stephen Pereira > <spereira1...@comcast.net> wrote: > > Thanks for your

Re: WTB: DEC Rainbow Expansion Memory

On Thu, Apr 13, 2017 at 12:00 PM, shad via cctech wrote: > Hello, > I'm in the pretty same condition, I have a Rainbow 100B without memory > expansion. > Not sure however, about the correct board number, which would fit the 100B. > What should I search for? The DEC

Re: WTB: DEC Rainbow Expansion Memory

On Sat, Apr 15, 2017 at 9:56 AM, william degnan via cctalk wrote: >> >> >> Rainbow Memory Extension Option Installation Guide:EK-PCMKE-IN >> >> …Two versions of the memory extension option are available: a 64 K byte >> option (part number PC1XX-AA) and a 192K byte

Re: Tektronix Terminal Emulation

On Sat, Mar 11, 2017 at 10:39 AM, Douglas Taylor via cctalk wrote: > On 3/11/2017 12:08 PM, Torfinn Ingolfsen via cctalk wrote: >> >> On Sat, Mar 11, 2017 at 5:14 PM, Douglas Taylor via cctalk >> wrote: >>> >>> I like using the laptop as a console

Re: Tektronix Terminal Emulation

On Sat, Mar 11, 2017 at 6:10 PM, Mouse via cctalk wrote: >> I'm not sure about the MicroVax II but on some other VAX and Alpha >> machines, the console port may be less capable than ordinary terminal >> ports in the way of buffering, flow control, 8 bit support and so on. >

Re: AIX documentation

On Sun, Mar 12, 2017 at 5:40 PM, Fred Cisin via cctalk wrote: >>> I have a number of binders that have pretty thorough AIX documentation, >>> but >>> the trouble is, there are from security classes that were taught by >>> private >>> companies. Am I legally allowed to

Re: AIX documentation

>> these? >>> >>> While not a COPYRIGHT issue, it is possible, and not unlikely, that they >>> were considered to be part of the course work, and that those taking the >>> course may have agreed, explicitly or implicitly, not to pass them on. > > > On Sun,

Re: VT52 keyboard question

On Tue, Mar 14, 2017 at 7:20 AM, Paul Koning via cctalk wrote: > >> On Mar 13, 2017, at 5:07 PM, Henk Gooijen via cctalk >> wrote: >> >> ... >> My guess is that the VT52, VT55, VT05 and LA30 are identical. > > No, fortunately not. The LA30 was

Re: Full immersion emulation

On Wed, Mar 1, 2017 at 1:03 PM, Fred Cisin via cctalk wrote: >>> On 03/01/2017 11:14 AM, Charles Anthony via cctalk wrote: Part of the iconic mainframe experience is the cold room sounds; for early >> >> On Wed, Mar 1, 2017 at 7:39 PM, Chuck Guzis via cctalk

Re: Full immersion emulation

[ stupid gmail ] On Wed, Mar 1, 2017 at 1:07 PM, Warner Losh <i...@bsdimp.com> wrote: > On Wed, Mar 1, 2017 at 1:03 PM, Fred Cisin via cctalk > <cctalk@classiccmp.org> wrote: >>>> On 03/01/2017 11:14 AM, Charles Anthony via cctalk wrote: >>>>>

Re: Full immersion emulation

All this talk of the sounds hammering away and the console reminded me. There's another part of the experience: when a system crashed... There was a distinctive pattern of sounds when the register dump was printed, some beeps from the console and often the groans of the people that were affected

Re: WTB: DEC Rainbow Expansion Memory

Found this file on an old Rainbow floppy. It has more detailed data. http://people.freebsd.org/~imp/RBMEMRY.TXT Sorry I didn't convert it to HTML... Warner On Sat, Apr 15, 2017 at 7:49 AM, Tapley, Mark via cctalk <cctalk@classiccmp.org> wrote: > On Apr 13, 2017, at 3:20 PM, Warner

Re: Cleaning a board slightly oxydized ??

On Mon, Jul 31, 2017 at 10:22 AM, Jon Elson via cctalk < cctalk@classiccmp.org> wrote: > On 07/31/2017 03:13 AM, Alexandre Souza via cctalk wrote: > >> AFAIK, common household and vinegar and citric acid are the same thing. >> Can >> you elaborate, please? O_O >> >> >> Vinegar is Acetic acid,

Re: Floppy Disk Images

On Fri, Aug 11, 2017 at 12:08 PM, Christian Groessler via cctalk < cctalk@classiccmp.org> wrote: > Hi, > > On 08/11/17 19:58, Marvin Johnston via cctalk wrote: > >> And just to make it interesting, I have a number of hard disks (5mb to >> maybe 20mb) of both 5.35" and 8". I've got several Lobo

Re: Depressing article

On Fri, Jul 14, 2017 at 9:09 AM, Ed Thierbach via cctalk < cctalk@classiccmp.org> wrote: > > > > Why would NASA say “destroy the tapes” ? > > > > If I'm reading the report correctly, the tapes were quite infected with > mold, and probably unreadable. I'd guess it wouldn't be worth the health >

Re: tape baking

I recently read 300-odd RX-50 diskettes. All but 10-15 read, many w/o error, some with lots of errors. I'm guessing that baking won't help the few that didn't read since they weren't stuck to the lining of the diskette... What's the theory behind baking floppies? For tapes it makes sense to help

Best place to get info on monitor repair...

Had a static discharge event with my VR-201 and suddenly the background is 'grey' rather than 'black'. By this I mean I see maybe 50% of the color (where before I saw maybe 1%) and maybe half a dozen solid diagonal lines. This replicates across the two rainbows I tried the monitor with. This

Re: Tandon TM-100-1 electronics repair

On Thu, Apr 27, 2017 at 11:49 PM, Chuck Guzis via cctalk wrote: >> On Thu, 27 Apr 2017, Ethan Dicks via cctalk wrote: >> >>> Additionally, for a testing framework to poke signals through the >>> drive for debugging during the repair, what's a good platform? A >>> PC

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 11:17 AM, David Bridgham via cctalk < cctalk@classiccmp.org> wrote: > > So my question is: do industrial SD cards exist? > Yes. They have for about a decade. Almost all SD cards these days could easily handle an I/O write rate that a PDP-11 is able to generate. It takes

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 12:18 PM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > USB with 480MHz is fast enough > > I think our plan was to skip that speed, and go with the next one down, on > the grounds that the analog part at that speed would be too tricky for us. I did some

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 12:47 PM, Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > > > On Aug 4, 2017, at 2:36 PM, Al Kossow via cctalk <cctalk@classiccmp.org> > wrote: > > > > > > > > On 8/4/17 11:14 AM, Warner Losh via cctalk wrote: >

Re: 2.11BSD on two RL02 drives? Probably not, but...

On Fri, Aug 4, 2017 at 1:04 PM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > From: Paul Koning > > > flash storage devices do wear leveling. The fact that you're writing > to > > the same block number doesn't mean you're actually writing to the > same > > spot on

Re: Dec name plate?

I'd love to help with the ID, but need a picture to do so. Maybe the list stripped the picture and you could post a pointer instead? Warner On Sat, May 13, 2017 at 8:57 PM, Adrian Stoness via cctalk wrote: > What's this name plate from quick Google doesn't find anything

Re: File recovery help needed (Alabama)

On Thu, Jun 22, 2017 at 3:39 PM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > CORRECTION: > OpenOffice claims to READ WP files, but not SAVE to those formats. > > > Which brings it all down to: > "How do you read 5.25" MS-DOS disks?" > kryoflux is how I've read the ones that I've

Re: BBS software for the PDP 11

On Sat, May 20, 2017 at 7:42 AM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > On 19 May 2017 at 21:39, jim stephens via cctalk > wrote: > > I have news for you. (maybe) From 1976 until it petered out, the phone > time > > cost a lot too. $200 or more a month

Re: Kryoflux or Catweasle

On Wed, May 24, 2017 at 2:59 AM, Torfinn Ingolfsen via cctech < cct...@classiccmp.org> wrote: > On Wed, May 24, 2017 at 8:30 AM, Chuck Guzis via cctalk > wrote: > > > > In point of advancing technology, one can purchase a STM32F4 development > > board with USB, UART,

Re: Fixing flakey floppies

> twitter: billdeg > vintagecomputer.net > On May 23, 2017 8:13 PM, "Warner Losh via cctalk" <cctalk@classiccmp.org> > wrote: > >> Greetings, >> >> I have three flakey floppies. I wonder if they are worth fixing. Two are >> TEAC FD-55FRs. One a

Fixing flakey floppies

Greetings, I have three flakey floppies. I wonder if they are worth fixing. Two are TEAC FD-55FRs. One appears to not report the INDEX mark, the other works well until around track 35 or so then fails... The third floppy is a 1.2 MB YD-380. It won't reliably move the head... I've tried cleaning

Re: Kryoflux or Catweasle

I just bought Kryoflux last month to read some Venix disks. https://webstore.kryoflux.com/catalog/ is a good place to start. Once I got a working floppy, and understood the output of dtc, I've been loving mine. I'd recommend buying a known good floppy drive of the appropriate flavor if you don't

Re: KL10 backplane on eBay

Will it fit in a pickup truck? On Mon, May 29, 2017 at 1:31 PM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > Another eBait wonder: > > http://www.ebay.com/itm/182597510806 > > The listing says "Local pick-up only", and it's in Denver, Colorado. > Someone > should really save this

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

On Sat, Aug 20, 2016 at 1:40 AM, Warner Losh <i...@bsdimp.com> wrote: > On Fri, Aug 19, 2016 at 1:00 AM, Huw Davies > <huw.dav...@kerberos.davies.net.au> wrote: >> >>> On 19 Aug 2016, at 02:31, shad <shado...@gmail.com> wrote: >>> >>> I

Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

On Fri, May 5, 2017 at 5:16 PM, allison via cctalk wrote: > After looking at all that... > > The prompt is VMS the $. The date makes it V3.6 to 4.2. > I'd still bet that its Files-11 not ODS-II. > > I'd have to check of the DCL prompt under RSX-11 is also $. It is, though

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

degnan <billdeg...@gmail.com> wrote: > Warner, > How are you uploading and downloading disks from the Rainbow...via the > Rainbow or by reading the disks using an image program? I grabbed a copy of > Windows. I may have a spare graphics card. > Bill > > On Mon, May 1, 20

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

On Thu, May 4, 2017 at 7:58 PM, Fred Cisin via cctalk <cctalk@classiccmp.org> wrote: > On Thu, 4 May 2017, Warner Losh via cctalk wrote: >> >> The old fashioned way: copy the files on the rainbow to the hard >> drive, kermit to my unix box. >> I have a

Re: Windows 1.0 For DEC Rainbow (mirror of Latrobe ftp anybody ?)

, May 4, 2017 at 8:18 PM, william degnan via cctalk <cctalk@classiccmp.org> wrote: > OK.. I will use LCTERM on my Rainbow to Kermit to my Raspberry Pi. > b > > On Thu, May 4, 2017 at 9:58 PM, Fred Cisin via cctalk <cctalk@classiccmp.org >> wrote: > >> On Thu, 4 Ma

Re: Rainbow Disk Imager

On Fri, Sep 15, 2017 at 1:47 AM, Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 14 Sep 2017, Warner Losh wrote: > >> On Thu, Sep 14, 2017 at 4:05 PM, Fred Cisin <ci...@xenosoft.com> wrote: >> >>> On the IBM PC/AT (5170) with 1.2M,

Re: Estate sale: Rainbow 100, Mac

On Sun, Sep 17, 2017 at 10:37 AM, Dave Mitton via cctech < cct...@classiccmp.org> wrote: > I passed by an estate sale home of an ex DEC employee. > > In his attic was a Rainbow 100 (original not 100) and an old Macintosh. > Lot of software diskettes, LA50, some other stuff. > What kinds of

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 6:51 PM, Eric Christopherson via cctalk < cctalk@classiccmp.org> wrote: > On Thu, Sep 14, 2017, Paul Koning via cctalk wrote: > > > > > On Sep 14, 2017, at 4:39 PM, Warner Losh <i...@bsdimp.com> wrote: > > > > > > ... >

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 10:02 AM, Rod Smallwood via cctalk < cctalk@classiccmp.org> wrote: > Hi > > I have a bunch of .dsk RT11 400k image files I need to write to RX50 > disks so I can boot from them on my 11/73 > > Somewhere there is a utility that will write the images to RX50 on a DEC >

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 11:57 AM, Rod Smallwood via cctalk < cctalk@classiccmp.org> wrote: > > > On 14/09/2017 18:37, Rod Smallwood via cctalk wrote: > >> >> >> On 14/09/2017 17:55, Paul Koning via cctalk wrote: >> >>> On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk <

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning <paulkon...@comcast.net> wrote: > > > On Sep 14, 2017, at 4:39 PM, Warner Losh <i...@bsdimp.com> wrote: > > > > ... > > I don't see where you read the first 2 tracks uninterlaced, and the > other tracks in

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 2:47 PM, Warner Losh <i...@bsdimp.com> wrote: > > > On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning <paulkon...@comcast.net> > wrote: > >> >> > On Sep 14, 2017, at 4:39 PM, Warner Losh <i...@bsdimp.com> wrote: >> > &g

Re: Rainbow Disk Imager

On Thu, Sep 14, 2017 at 2:50 PM, Paul Koning <paulkon...@comcast.net> wrote: > > On Sep 14, 2017, at 4:47 PM, Warner Losh <i...@bsdimp.com> wrote: > > > > On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning <paulkon...@comcast.net> > wrote: > >>

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