On 4/22/24 19:14, Bill Gunshannon via cctalk wrote:
On 4/22/2024 2:30 PM, Paul Koning wrote:
On Apr 22, 2024, at 2:09 PM, Bill Gunshannon via cctalk
wrote:
Following along this line of thought but also in regards
all our
other small CPUs
Would it not be possible to use
On 4/22/24 16:06, Paul Berger via cctalk wrote:
On 2024-04-22 5:21 p.m., Chuck Guzis via cctalk wrote:
On 4/22/24 13:02, Wayne S wrote:
I read somewhere that the cable lengths were expressly
engineered to provide that signals arrived to chips at
nearly the same time so as to reduce chip
On 4/19/24 21:07, Fred Cisin via cctalk wrote:
Gee! Have sales gone down?
One more reason to use the 8080 subset when writing CP/M
programs.
Aren't there already some licensed second sources?
Harris also made an all-CMOS plug-compatible Z-80. I used
it in a low-power project.
Jon
On 4/19/24 20:57, Bill Degnan via cctalk wrote:
As it is now, running z80 production must no longer be profitable for
Zilog, but some other manufacturer can license z80 production. Right? If
there is a demand someone will produce them
Rochester Electronics might buy up the masks and uncut
On 4/12/24 20:55, ben via cctalk wrote:
Did any one ever use a keyboard to magtape as input device?
I bought a surplus desktop key to tape machine made by
Pertec. It had a 7" 9-track drive in it, a small core
memory and a field of light bulbs to show the read-back
contents, as well as the
On 4/12/24 20:21, Paul Koning via cctalk wrote:
On Apr 12, 2024, at 7:48 PM, Van Snyder via cctalk
wrote:
... The other was to print on its "whippet"
printer, a very fast electrostatic printer that put soot onto a thermal
paper that was then heated to "fix" it. There was a huge variac under
On 4/10/24 11:19, Chuck Guzis via cctalk wrote:
On 4/10/24 08:17, Jon Elson via cctalk wrote:
The 360/20 had only halfword instructions, no float, no char strings.
But, main storage was 16 bits wide.
I'm not quite sure what you mean by "char strings", but SS instructions
MVC, MVN
On 4/10/24 07:18, CAREY SCHUG via cctalk wrote:
Nearly all the 360s were microcoded, so adding a bit more microcode let them
emulate 1400/7000 series computers as a standard optional feature. (well the
model 44 emulated the 1620, and probably the 95/195 could not emulate anything
since they
On 4/10/24 01:51, Van Snyder via cctalk wrote:
On Tue, 2024-04-09 at 22:21 -0700, Chuck Guzis via cctalk wrote:
On 4/9/24 22:03, ben via cctalk wrote:
On 2024-04-09 8:53 p.m., Murray McCullough via cctalk wrote:
I had not realized the IBM 360 was 60 yrs. old this month. I
worked on
such
a
On 4/10/24 00:21, Chuck Guzis via cctalk wrote:
On 4/9/24 22:03, ben via cctalk wrote:
What model of a 360? 8K sounds a lot like a Model 20, which the purists
may not consider to be a "real" member of the family.
Yup, the /20 should have been called a System 180, as it was
about half of a
On 4/2/24 00:03, Just Kant via cctalk wrote:
Accordimg to certain individuals on this list, going back a few years,
electronics/computers can be damaged due to an electrical storm, presumably
very intense activity, even while off. Go look through the archives.
I have had two incidents where
On 4/1/24 20:46, Christian Kennedy via cctalk wrote:
On 4/1/24 17:42, CAREY SCHUG via cctalk wrote:
Will things like PDAs and tablets, powered off and stored
inside steel ammo boxes survive?
Yes, as will most contemporary electronics, even without
elaborate protection.
Right, I think
On 3/17/24 11:11, Jon Elson via cctalk wrote:
On 3/17/24 09:13, Bill Gunshannon via cctalk wrote:
I have often wondered about the people we find in the
various
DEC Processor (and other) books. Were they models in staged
photo-sessions or were these candid shots from DEC
facilities
On 3/17/24 09:13, Bill Gunshannon via cctalk wrote:
I have often wondered about the people we find in the various
DEC Processor (and other) books. Were they models in staged
photo-sessions or were these candid shots from DEC facilities
and if so, can anyone identify who they might be.
I know
On 2/27/24 20:34, CAREY SCHUG via cctalk wrote:
Again, even if somebody offered me a complete IBM model 30 with disk and
tape drives, I could not afford the shipping. would
A 360/30 could be a real problem. It used air bags to push
the microcode cards against the bit line boards. Those air
On 2/27/24 08:58, erik--- via cctalk wrote:
Hi Jon!
think the Bendix G-15 had cassettes for the 5-level tape
they used.
Aha, interesting! Did a short search, but have not been able to
find a picture of a casette. Just a pile of paper tape instead ;-)
On 2/27/24 00:17, Dr. Erik Baigar via cctalk wrote:
I wonder whether anyone kows if someone else had the idea
of putting paper/mylar tape into a casette for repeated use
e.g. to load an OS or similar.
I think the Bendix G-15 had cassettes for the 5-level tape
they used.
I had an optical
On 2/25/24 16:20, Gavin Scott via cctalk wrote:
Turbo Pascal is even still available as its originators took it back
from Borland and made it into Visual Prolog for Windows which has a
free personal edition (the commercial license is only 100 euros too).
Also there's GNU Prolog if you just want
On 1/30/24 11:09, Jon Elson via cctalk wrote:
On 1/29/24 22:07, Bill Degnan via cctalk wrote:
Anyone have a VMEbus system they use at least
occasionally? If so, what
make/model/config?
Oh, also my Samsung-made pick and place machine has a 68020
to run the motion system, and a PC that runs
On 1/29/24 22:07, Bill Degnan via cctalk wrote:
Anyone have a VMEbus system they use at least occasionally? If so, what
make/model/config?
We have a Weiner VME system, specifically designed for
nuclear data acquisition.
I have a couple other VME crates with power supplies we use
for the
On 1/4/24 15:49, Paul Koning via cctalk wrote:
On Jan 4, 2024, at 4:32 PM, Liam Proven via cctalk
wrote:
Evangelist of lean software and devisor of 9 programming languages and
an OS was 89
https://www.theregister.com/2024/01/04/niklaus_wirth_obituary/
The great man has left us.
Great
On 12/3/23 15:44, Van Snyder via cctalk wrote:
I have a formerly-gorgeous 27-inch Samsung monitor:
Model LF27T350FHNXZA
Serial 0AS1HCNR904588L
S/W M-T3527FGGA-1006.1
that now has a minor defect. The "wallpaper" has a dim stripe about
1/6th of the screen width, top-to-bottom, about 1/6th from
On 11/14/23 18:34, Chuck Guzis via cctalk wrote:
On 11/14/23 16:12, steve shumaker via cctalk wrote:
Greetings all.. I'm looking for a Qualstar 1260S 1/2" tape system to
review/recover data from a stack of early Landsat tapes that I came into
a while back. I'd prefer the Qualstar SCSI system
On 10/20/23 11:46, Ethan Dicks via cctalk wrote:
On Fri, Oct 20, 2023 at 12:11 PM Jon Elson via cctalk
wrote:
On 10/20/23 03:59, Michael Thompson via cctalk wrote:
The RICM has an empty 11/20 chassis and the power supply. All it needs is
the processor backplanes. Is there any chance you have
On 10/20/23 03:59, Michael Thompson via cctalk wrote:
The RICM has an empty 11/20 chassis and the power supply. All it needs is
the processor backplanes. Is there any chance you have a set of backplanes
available?
I have a DD11-PK backplane (Part No. 70-11523) with a few
bent pins. None are
On 10/13/23 12:07, Martin Bishop via cctalk wrote:
The valve audio afficionados / suppliers also offer both wisdom and components,
e.g.
Ages ago I bought a Potter plug-compatible 9-track tape
drive from a surplus shop. It was designed as a 24xx
compatible drive. I was used to Pertec
On 9/7/23 17:18, KenUnix via cctalk wrote:
Hi guys.
Since I can't get out due to my stroke, be sure to post plenty of snaps of
the event...
Sorry to hear about that. I had a very mild stroke 2 years
ago, but it has affected dexterity in my right hand. My
writing is now horrible (my
On 9/7/23 09:35, Mike Katz via cctalk wrote:
What time is setup Tomorrow (Friday, 8-Sep-23) for VCFMW?
They sent out a message to vendors that it would be open 10
AM to 10 PM, a few people would stay during the pizza dinner
to allow latecomers to load their stuff.
Jon
On 9/6/23 14:00, Mike Katz via cctalk wrote:
Paul,
I'm not an 11 expert but don't most instruction fetches
(or the last clock phase on an instruction) cause the pc
to increment by one?
PDP-11 instructions are 16-bit. Since memory is
byte-addressed, the instruction counter should normally
On 9/6/23 12:08, Paul Koning via cctalk wrote:
Reminds me of the "PDP-11 trivia contest" that was held at DECUS, I think on the occasion
of the 20th anniversary of the PDP-11. If so that would have been 2000. I still have the poster
that went with it somewhere. And I remember the question I
On 9/6/23 06:19, Mattis Lind via cctalk wrote:
There have been a number of Ebay listings for various ns32k software, QIC
tapes and 1/2 inch tapes. I thought I would buy them if there were no other
bids to try to recover the contents.
https://www.ebay.com/itm/225759541222
On 9/2/23 14:49, ben via cctalk wrote:
$ 30 mininum order and 4 weeks shipping to canada stopped me.
$12.06 US from china. (ebay).
I am having my PCB's made from PCBWAY in china. Shipping
takes longer
than them being made. ~ $100 US for the PCB's and ~ $50
for shipping and tax.
I have been
On 9/1/23 10:54, Hans-Ulrich Hölscher via cctalk wrote:
If you can't get help at the VCF - MW (which I don't doubt), and your
MicroVAx II has a DELQA or DEQNA network adapter, then I know of two other
elegant ways to back up the data from your ESDI disk:
Either: configure your MicroVAX II into a
On 9/1/23 14:38, Chuck Guzis via cctalk wrote:
With all this talk about Friden and Singer, perhaps someone can help me
jog my memory. We were working on a contract that, as remote terminals,
included a card reader (singer) and a printing terminal (singer also).
The terminal consisted of a
I will be going to the VCF - MW. Does anybody have an
Emulex QD21 that could dump a hard drive for me? I ran a
uVAX II at home of 21 years. Sometime back about 2000 or
so, I upgraded to a cast-off SCSI disk, which eventually
died. I didn't have a convenient backup solution for the
SCSI
On 8/30/23 17:14, Wayne S via cctalk wrote:
When s-100 machines came out, they were standalone. The serial port was for
sending serial data not for a terminal. You would have to write some software
to use it with a terminal.
Well, maybe, I did have a home made S-100 system in 1976
with
I know I was a little late in making a reservation for a
vendor table at the VCF MW.
But, last year they were able to fit me in. Now, I have
made my request, and not heard ANYTHING whatsoever, even
that they are working on it. The VCFMW web site was last
updated in JUNE! Does anybody know
On 8/29/23 06:30, Chris Zach via cctalk wrote:
Oh baloney. As long as the backplane pins are not mushed
these are surprisingly easy to fix and mouse crap can be
vacuumed out and cleaned off the cards and pins.
The thing that drove me the most nuts was finding a
backplane wire that had worn
On Sun, Aug 20, 2023, 12:05 PM John H. Reinhardt via
cctalk <
cctalk@classiccmp.org> wrote:
Hello all. I looking around for a Logic Analyzer for
doing (mostly) DEC
QBus/UniBus stuff. Being the way I am I want something
with enough lines
to handle the most of the signals so I'm guessing
On 8/14/23 21:40, Sellam Abraham via cctalk wrote:
I've been using Libre Office Calc (Linux) to keep track of my new computer
collection.
I use gnumeric. When it first came out, it was a toy. Now,
it is a VERY good spreadsheet, with excellent graphing
capability, wide import and export
On 8/14/23 15:42, Fred Cisin via cctalk wrote:
On Mon, 14 Aug 2023, Paul Koning via cctalk wrote:
It's been a while, but I think that RAID originated in
academia, though Cray may well have been one of the
earlier commercial users.
https://www2.eecs.berkeley.edu/Pubs/TechRpts/1993/6306.html
On 8/13/23 11:25, Tony Duell via cctalk wrote:
On Sun, Aug 13, 2023 at 5:20 PM Nigel Johnson Ham via cctalk
wrote:
The DEC Rainbow RX50s only have one motor :-)
{being pedantic}
No they don't. They have 2. A permanent-magnet DC motor used to drive
both spindles and a stepper motor used to
On 7/10/23 11:19, Douglas Taylor via cctalk wrote:
I'm looking to see if it possible to do something
similar. Just blasting raw 12bit samples from memory out
the D/A board.
A fine point would be to use the KWV11-C realtime clock
board for the sample rate control. No interrupts, just
On 7/9/23 13:46, Douglas Taylor via cctalk wrote:
I have a PDP-11/53 and have just started playing with an
AAV11-C D/A board. It is a 4 channel D/A convertor with
12 bit resolution.
Can it be used to play an audio bit stream?
Here is simple code used to see if the thing was actually
On 7/1/23 15:10, Sellam Abraham via cctalk wrote:
Don Lancaster passed away on June 7.
https://gilaherald.com/obituary-for-don-lancaster/
I hope his website is well preserved:
https://tinaja.com/
Wow, another legend! Yes, there is a lot of good stuff there.
Jon
On 6/28/23 09:40, Paul Koning via cctalk wrote:
On Jun 28, 2023, at 9:48 AM, Tony Duell via cctalk
wrote:
On Wed, Jun 28, 2023 at 6:00 AM Grant Taylor via cctalk
wrote:
Tony's email makes me ask more questions than I have (smart alack)
answers to. Maybe ~> hopefully I can ~> will learn
On 6/27/23 20:58, Chris Zach via cctalk wrote:
Yes, the console floppy on an 11/780 was an RX02, and VMS
supported "virtualizing" it through the LSI-11 console
computer so you could mount it just like any other device.
I thought it was an RX01 on an 11/03? It's an RX02?
Yup, I think you
On 6/27/23 19:11, Bill Gunshannon via cctalk wrote:
More interesting is that All-In-One for the VAX comes on
RX02 and RL02 disks.
I wasn't aware that the VAX or VMS even supported RX or RL
disks.
Yes, the console floppy on an 11/780 was an RX02, and VMS
supported "virtualizing" it
On 6/27/23 09:42, Jonathan Katz via cctalk wrote:
Hey folks,
Now that I'm done moving house I have time to wrench on the 6150.
Before moving it worked; you'd power it on, the LCD status countdown
would get to an OK value, but the CRT wasn't legible. I figured I'd be
wrenching on the CRT.
On 6/25/23 15:02, Wayne S via cctalk wrote:
.dtx files IIRC were created by Tex and Latex which fit in with rsx11 and DEC
software. So maybe that is it?
I tried to compile TeX for RSX-11M on an 11/45, and it was
an utter failure. Maybe somebody hacked TeX down to fit on
an 11, but I never
On 6/25/23 14:15, Tomasz Rola via cctalk wrote:
On Sat, Jun 24, 2023 at 04:39:01PM -0700, Chuck Guzis via cctalk wrote:
On 6/24/23 12:38, Wayne S wrote:
Chuck, why not post the catalog snd we’ll all take a look?
Power of the internet!
Okay, I guess that's okay. Here's the data from the MFD:
On 6/25/23 07:36, Rob Jarratt via cctalk wrote:
This made me suspect that the startup transformer may have been damaged. So
I checked the output of the startup transformer. On the bad PSU this was
about 2.4VAC, while on the working one it was about 12VAC. I lifted all 4 of
the diodes connected
On 6/14/2023 1:08 PM, Wayne S via cctalk wrote:
Open it up and take a look. Maybe the daughterboard it
there and just needs reseating.
Sent from my iPhone
On Jun 14, 2023, at 07:26, Bill Degnan via cctalk
wrote:
I am getting an error message when I boot up a recently
donated PCs
On 6/8/23 11:06, Jonathan Stone via cctalk wrote:
On Thursday, June 8, 2023 at 05:20:28 AM PDT, Santo Nucifora via
cctalk wrote:
I bought mine from this ebay auction:https://www.ebay.com/itm/171649843131
Specifically, the "D-SUB 3W3 Male" item.
[...]
Note these are 50 Ohm impedance. I
On 5/31/23 06:25, John Many Jars via cctalk wrote:
I don't normally beg for help, but I'm going to beg for help, because this
would be really useful if I could get it to work.
This guy:
TURBO PASCAL (mark-ogden.uk)
On 5/18/23 15:19, Mike Katz via cctalk wrote:
I have just acquired a number of PDP-8 paper tapes. My
reader/punch is not working at the moment (neither is my
PDP-8 but that's another story).
I am looking to beg, borrow or buy a paper tape reader or
reader/punch (stand alone or PC04) so that
On 5/11/23 21:41, Cameron Kaiser via cctalk wrote:
I thought about this, but the KIM is a pretty simple system. The only memory
mapped device in that range (really, on the entire unit) are the RIOTs, and
their RAM at $1780 is fine and does not echo.
The KIM only does address decoding for 8K and
On 5/11/23 00:53, Cameron Kaiser via cctalk wrote:
Odd fault on my Rev D KIM-1 popped up while writing code this afternoon
(initially I thought I had a bug in my paper tape transmitter) - between $0280
and $029f, the upper 5 bits are stuck at zero. The rest of the address range
seems fine. In
On 4/25/23 01:16, Tom Hunter via cctalk wrote:
Hopefully the LCM will be sold as a going concern rather than just a
firesale of the assets.
Otherwise a lot of donors and contributors would be rightfully upset - me
included.
I am disappointed that Bill Gates hasn't bought it already to continue
On 3/18/23 15:48, Steve Malikoff via cctalk wrote:
Jon said
On 3/18/23 04:34, Steve Malikoff via cctalk wrote:
G'day all,
I have just uploaded the engineering drawings for the early PDP-11/05, the
one with the solid (no slots) Mazak lower bezel
Huh? Mazak made machine tools. Did you
On 3/18/23 04:34, Steve Malikoff via cctalk wrote:
G'day all,
I have just uploaded the engineering drawings for the early PDP-11/05, the
one with the solid (no slots) Mazak lower bezel
Huh? Mazak made machine tools. Did you mean Zamak
(zinc-based die casting alloy)?
Jon
Sorry, I've lost track of the guy who was interested in
collecting CAMAC bits. Cleaning up our lab, I found a
Kinetic Systems 3922 Z1A crate controller, and
a 2926 Z1A ISA slot controller for it. Anybody interested?
Thanks,
Jon
On 3/15/23 18:32, Paul Koning via cctalk wrote:
Apart from spooling, which uncouples slow I/O from execution, there is also
"multiprogramming", which means being able to run more than one job
concurrently. Timesharing does that, of course, but I think multiprogramming was
intended to refer
On 3/14/23 22:55, Bill Degnan via cctalk wrote:
I am working on an unknown status Persci 299 drive and one of the two
drives is locked closed. Is this a "park" of some kind or is the drive
broken? If it's a parked drive (only the drive 0 side) how do you unpark
the drive? I can't seem to find
On 3/11/23 14:18, Wayne S via cctalk wrote:
I’ve heard of people using electric toaster ovens for reflow work. There’s a
few YouTube videos about it. Should work for baking tapes too. I think there
was quite a discussion about it on cctalk a few years ago.
I have used a large GE toaster oven
On 3/10/23 17:20, Bill Gunshannon via cctalk wrote:
On 3/10/2023 6:11 PM, Fred Cisin via cctalk wrote:
On Fri, 10 Mar 2023, Kevin Anderson via cctalk wrote:
I always thought of the distinctions this way (from my
basis of exposure from late 1970s through the 1980s) and
from a higher
On 3/10/23 16:36, Grant Taylor via cctalk wrote:
On 3/10/23 1:57 PM, Sellam Abraham wrote:
Don't underestimate the troubleshooting utility of
re-seating every chip that is socketed.
Fair enough.
Certainly check the Power OK signal from the power supply,
if that isn't working the whole
On 3/10/23 13:00, Paul Koning via cctalk wrote:
On Mar 10, 2023, at 1:38 PM, Chuck Guzis via cctalk
wrote:
On 3/10/23 10:20, Bill Gunshannon via cctalk wrote:
The first mainframe I worked on was single user, single tasking.
S/360 DOS provided for one "background" memory partition and two
On 3/9/23 22:14, Chuck Guzis via cctalk wrote:
Many folks have turned to emulators, abandoning the spinning rust
altogether.
Yup, my year-2000 pick and place machine had a 3.5" floppy
drive, but I had no confidence that any old disks would be
workable, and I had no other machines with drives
On 3/9/23 15:51, Steve Lewis via cctalk wrote:
Not to open a huge can of worms but...
I always considered a mainframe to basically be a "fully decked out"
minicomputer.
Well, the IBM 709x was housed in 11 or more cabinets that
were larger than the largest home refrigerator. These
On 3/8/23 20:01, Bill Degnan via cctalk wrote:
On Wed, Mar 8, 2023 at 6:46 PM Jon Elson via cctalk
wrote:
On 3/8/23 14:31, Bill Degnan via cctalk wrote:
THe LGP-30 was to arguably the first personal electronic (non analog)
computer, my opinion, but it covers all of the bases as I see them
On 3/8/23 14:31, Bill Degnan via cctalk wrote:
THe LGP-30 was to arguably the first personal electronic (non analog)
computer, my opinion, but it covers all of the bases as I see them. A
relatively small stand alone real time general purpose electronic computer
that one person could operate.
On 3/8/23 14:18, Sellam Abraham via cctalk wrote:
On Wed, Mar 8, 2023 at 11:54 AM Tarek Hoteit via cctalk <
cctalk@classiccmp.org> wrote:
I don’t think there is a strict definition of what a home computer is. One
can argue Plato is one. Another might say Atari 2600. Someone can argue
that the
On 3/8/23 13:03, Dennis Boone via cctalk wrote:
> Wow! I'd love to see the 1971 vintage GCR tape controller, it must
> have been the size of a 360 CPU! We had a GCR controller from
> Storage Tech. in 1982 or so that was the same size as a PDP 11/44
> large cabinet. CDC Keystone drives
On 3/8/23 05:33, Dave Wade G4UGM via cctalk wrote:
Our Honeywell H3200 had 1200BPI NRZI 7-track drives.
http://www.bitsavers.org/pdf/honeywell/datapro/70C-480-01_7404_Honeywell_200_2000.pdf
page 13 onwards... Needed chrome tape
Dave
The reason NRZI topped out at 800 BPI on 9-track
Speaking of compatibility, we had a 360/50 many ages ago,
and it was "permitted" to put the tape controller on the
multiplexer channel. This prevented long tape operations
from locking up the disk controller on the selector
channel. The model /50 only had one selector. But, if
there was
On 3/7/23 22:34, Zane Healy via cctalk wrote:
I’ll be the first to admit my question is a bit strange. Basically I’m trying
to use the date that various media types were first introduced to show the
oldest possible date for a bunch of media I’m trying to date. The 9-Track
tapes have been
On 2/24/23 15:01, Jacob Ritorto via cctalk wrote:
Does anyone have a working one to spare?
Needed for PDP-11 unix home project.
Emulex preferred but others would perhaps be acceptable.
TS11 and/or TMSCP would both be great.
Need 50-pin connectors (formatted).
Can throw a bit of money / trades
On 2/3/23 08:25, Paul Koning via cctalk wrote:
It's puzzling that temperature would matter. Obviously, when you hit the Curie
temperature the data goes away, but for typical magnetic materials that is in
the hundreds of degrees. Does the hysteresis curve shift enough at moderate
On 2/2/23 05:54, emanuel stiebler via cctalk wrote:
On 2023-02-02 04:38, David Brownlee wrote:
> That reminds me (looks at 43.5T of zfs pool that has not
had a scrub
> since 2021).
>
> It can be nice to have a filesystem which handles
redundancy and also
> the option to occasionally read all
On 2/1/23 22:10, Will Cooke via cctalk wrote:
On 02/01/2023 3:51 PM CST Paul Koning via cctalk wrote:
ot sure about that. What sort of numbers are we talking about?
If all else fails there's core memory, which as far as I remember is pretty
much unlimited for both read and write.
paul
I
On 1/26/23 19:13, Paul Koning via cctalk wrote:
On Jan 26, 2023, at 6:29 PM, Chuck Guzis via cctalk
wrote:
I take that back about Versatec, CHM has a document from 1970 on their
electrostatic printer:
https://www.computerhistory.org/collections/catalog/X163.83A
I know that Lawrence
On 1/26/23 16:07, Don R via cctalk wrote:
What about the SCM Kleinschmidt spin printer.
Yup, I think those did 30 CPS.
Jon
On 1/22/23 07:14, Chris via cctalk wrote:
Originally as I understand it the mouse as a product of Xerox was intended not
so much for general use but to aid youngins and disabled people with their
usage. And despite the never-mousers, predominantly linux fanatics, it's an
indispensable tool
Forwarded Message
Subject:Re: [cctalk] Re: AI applied to vintage interests
Date: Thu, 19 Jan 2023 18:59:11 -0600
From: Jon Elson
To: Sellam Abraham via cctalk
On 1/19/23 15:25, Sellam Abraham via cctalk wrote:
On Thu, Jan 19, 2023 at 12:43 PM Chris via
On 1/19/23 15:25, Sellam Abraham via cctalk wrote:
On Thu, Jan 19, 2023 at 12:43 PM Chris via cctalk
wrote:
All I can say is if you haven't watched Terminator: the Sarah Connor
Chronicles ... um why not? I didn't even know it existed prior to 3 years
ago. Actually pretty thought provoking
On 1/17/23 21:34, Wayne S via cctalk wrote:
Another forum said a museum
in Pa won it.
LSSM (Large Scale Systems Museum)? I just donated some
stuff to them.
Jon
On 1/17/23 21:18, Marc Howard via cctalk wrote:
Does anyone know if that light bulb is still available? I’m not sure what
the response of that photo sensor is and that might rule out using a led
replacement. The fact that the bulb is almost certainty driven below the
rated voltage also
On 1/17/23 13:46, Jay Logue via cctalk wrote:
I don't know about guessing, but ChatGPT can deadpan
bullshit with the best of them...
Wow, it picked a bunch of text that must have been DEC
specific, but that was as specific as it got.
Whew, this could destroy all recorded knowledge if it
On 1/16/23 04:14, p.gebhardt--- via cctalk wrote:
Hello list,
Yesterday, I was wondering, if there are any multiplatter disk pack production
tools known to exist?
There are disk pack inspection and cleaning tools in the wild (also one on eBay
for a ridiculously high price) and occasionally,
On 12/20/22 20:51, Chris via cctalk wrote:
Well there doesn't seem to be a great deal of activity these days, I has
thought the suggestion about relaxing the rules might need discussing.
I know there are people still using Windows 2003 puters, or a near equivalent
based on XP? But that's
On 11/30/22 10:41, Chuck Guzis via cctalk wrote:
On 11/30/22 01:30, Christian Corti via cctalk wrote:
On Sun, 27 Nov 2022, Chuck Guzis wrote:
If anyone cares, I've been working on a Pertec tape controller design.
The initial version worked remarkably well with only a few bodge wires.
I'm
On 11/28/22 12:08, ben via cctalk wrote:
On 2022-11-28 10:27 a.m., Jon Elson via cctalk wrote:
MANY years ago, I got a surplus 800 BPI 9-track key to
tape system and hacked into it to put 9-track tape on my
Z-80 CP/M system. That was a fascinating project.
Jon
What was the character
On 11/28/22 00:17, Chuck Guzis via cctalk wrote:
If anyone cares, I've been working on a Pertec tape controller design.
The initial version worked remarkably well with only a few bodge wires.
I'm assembling the respin of the design and do not anticipate any issues.
I'm guessing this is a
Anybody need some 1/2" 9-track tape drives?
I have a Pertec T9640 tape drive (vacuum column, 75 IPS
800/1600 Pertec unformatted interface). DEC sold this drive
as the TU45. I also have an MDB MLSI-TM11 Q-bus tape
controller that will run this drive on either LSI-11 or uVAX
II systems. DEC
On 11/18/22 20:34, Tomasz Rola via cctalk wrote:
As the subject (and wikipedia) say:
https://en.wikipedia.org/wiki/Fred_Brooks
Oh my! I didn't realize he was still around, the Mythical Man Month was a
fascinating read. The general concept was pretty obvious to anyone who
developed
On 11/16/22 01:15, Ali via cctalk wrote:
Hello,
Does anyone have a REASONABLY priced source for 6" x 14" anti-static bags
with zip lock tops? I've looked on eBay and Amazon with no luck. I have also
looked online and have only found heat sealable bags. I am not sure if it is
the sizing which
On 11/14/22 09:19, Jon Elson via cctalk wrote:
On 11/14/22 06:25, Shoppa, Tim via cctalk wrote:
I've been reporting on 9-track tape seal failures over at
least the past 2 decades here.
Very very few of the older (I think of them as IBM or
70's/80's style) "hard plastic" tape se
On 11/14/22 06:25, Shoppa, Tim via cctalk wrote:
I've been reporting on 9-track tape seal failures over at least the past 2
decades here.
I first noticed the problem in the very early 2000's, and thought it was just
random onesy-twosy failures, possibly contributed to by ozone in LA region,
On 11/13/22 15:45, Steve Lewis via cctalk wrote:
True, I'd have to assume actual usage degrades the longevity of some
electronics (and number of hot/cold cycles). But there is still some
natural shelf-life decay (maybe moisture in the air can find its way, even
in what should be sealed
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