He offers everything from the $15 bare board up. Next step up is doing
the surface mount chips for you at $3.50, etc.
I'd do the bare board. I can attest that the mfm emulator will work.
I've not one the SA-1000 might have to work with him to do it
yourself. I recall he offered a kit o
On 2/12/2021 11:46 AM, Chuck Guzis via cctalk wrote:
On 2/11/21 9:31 AM, Chuck Guzis via cctalk wrote:
I have a bunch of Panasonic/Matsushita 470/940 MB phase-change WORM
discs here--and the appropriate drive (Panasonic LF-5010 SCSI-2) to read
them.
After some digging, I did find that Optisy
On 2/12/2021 1:30 PM, Chuck Guzis via cctalk wrote:
On 2/12/21 12:21 PM, Paul Koning via cctalk wrote:
On Feb 12, 2021, at 3:12 PM, jim stephens via cctalk
wrote:
There was a company who made a drive with glass media that a friend of ours
repped for.
It used a repurposed CD head
On 2/21/2021 4:00 PM, Al Kossow via cctalk wrote:
On 2/21/21 3:59 PM, Al Kossow via cctalk wrote:
I'm assuming these are 960s
Not very often you see paper tape software for them
Price is absurd for the mixed bag that is there
https://www.ebay.com/itm/Texas-Instruments-Mainframe-Computers-Wit
On 2/23/2021 8:08 PM, s shumaker via cctalk wrote:
wayback machine has this available
http://www.activityclub.org/decnotes/
I may be missing something, but the download this site has an expired
wetransfer link. Archive.org when you navigate to that page, says
"available on the web, not
On 2/23/2021 9:44 PM, Boris Gimbarzevsky via cctalk wrote:
Boris Gimbarzevsky
Boris, it looks like a hex high board is hiding behind the KDF
(processor) board and the Data Translation adapter.
http://drgimbarzevsky.com/Photo2020/PDP11/20210223_photos/20210223_173156.jpg
Any idea what is hi
On 2/23/2021 10:05 PM, Boris Gimbarzevsky via cctalk wrote:
Jim, that's the board whose picture is 20210223_173156.jpg
Not sure what it is - just remember grabbing any QBus boards at UBC
SERF with plans to use them sometime.
Boris
Interesting it has ACT logo on it. It's an Able Qniverter.
On 2/24/2021 8:07 PM, Al Kossow via cctalk wrote:
The worst were the Fry's sales people on the floor that would ignore
you, then badger
you to let them write a sale up so they'd get sales credit if you made
the mistake
of asking them where something was.
I always track down the Microcente
Sent out a request via multiple channels to you WRT a local STL system.
can you give me a call or ping back.
sent to your emails, discord and other channels.
thanks
Jim
I've got rights to a fairly nice system located in St. Louis. It has
working streaming tapes as well as half inch, all working.
It is on till this coming weekend.
The full system is a single bay, I've been told is 7' tall on casters.
I won't let it be scrapped if possible, but I'd like it
On 3/6/2021 3:10 PM, Sean Conner via cctalk wrote:
Once the 80286 is in protected mode, there is no way to get out of
protected mode except via the RESET signal.
The 286 can exit protected mode with the LOADALL instruction.
Microsoft's extended memory driver pissed off the world (Intel) whe
On 3/12/2021 3:02 PM, Josh Dersch via cctalk wrote:
Any ideas what this disc controller is?
https://www.ebay.com/itm/PDP-11-Backplane-Western-Peripherals-DC-230-Disk-Controller-DEC-Digital-PDP/353417412426
Can't find much about this on the 'net, other than that it was a controller
for Diablo
On 3/19/2021 7:00 PM, Bill Degnan via cctalk wrote:
But, there have been no verified accounts of giant squid attacks in Wall,
NJ.
I know Evan is doing a lot of train installation at his house, but I
suspect that and the Miata are distractions so we don't see the large
pool sized aquarium in
On 4/13/2021 5:04 PM, jwest--- via cctalk wrote:
You probably already did it in your initial contact with him Noel, but I
would think the thing that would make it stand out and make him change it -
tell him a PC05 doesn't connect to a PDP8, it goes with something completely
different (a PDP11
On 4/21/2021 12:31 PM, Chris Zach via cctalk wrote:
Well, it probably is lighter than the one with 2 RL02's :-)
On 4/21/2021 2:32 PM, Glen Slick via cctalk wrote:
On Wed, Apr 21, 2021 at 8:18 AM Jeffrey S. Worley via cctalk
wrote:
There's a nice, working PDP 11/23 with 20 meg hdd and 1meg
On 4/22/2021 7:30 PM, Al Kossow via cctalk wrote:
On 4/22/21 5:08 PM, Chris Zach via cctalk wrote:
Jesus, I just traded a Perq1 keyboard to a guy for a $100 donation to
a food bank of his choice.
josh dersch is looking for a keyboard and a monitor
He already chimed in. His search also tri
On 4/23/2021 1:11 AM, Adrian Graham via cctalk wrote:
8085 ICE
scope and LA
The latter will only let you trace but have run control to stop or do
other actions (dump rom and memory spaces). Sometimes there are tricks
to dump the memory space w/o ICE, but still nice to have an idea what
On 4/27/2021 11:33 AM, Dave Wade G4UGM via cctalk wrote:
Some one appears to have three AT&T 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
I have the M990, not sure if I have the manuals. My stuff is in storage
if I do, the rest to be scanned, sorry.
On 5/2/2021 7:52 PM, Dennis Boone via cctalk wrote:
I have a recalcitrant Cipher C995 9track drive. Does anyone have
manuals for this thing? It seems to be enough different from th
On 5/5/2021 12:03 AM, Josh Dersch via cctalk wrote:
Can anyone with negibus experience point me in the right direction?
As you and Ethan helped me with on FB about my 8/I, I don't know which
bus I had. And worse it
went to a second rack with about 10 of the expansion racks built out
with de
On 5/5/2021 12:27 AM, Vincent Slyngstad via cctalk wrote:
On 5/5/2021 12:03 AM, Josh Dersch via cctalk wrote:
Until this point I've never had any peripherals for my negibus systems
(apart from teletypes), and it occurs to me that I have no idea if
the bus
needs to be terminated (and if so,
On 5/11/2021 10:18 PM, Ethan Dicks via cctalk wrote:
I don't have the keyboard, lightpen or a tube yet.
to run lunar lander, you do that thru the switches. We never used a
keyboard or lightpen. just had an ASR33 to load lander while I had
charge of it.
I don't know previous use, but it h
Manual is here:
http://www.bitsavers.org/pdf/dec/handbooks/Digital_Computer_Lab_Workbook_1969.pdf
On 5/29/2021 7:58 AM, William Donzelli via cctalk wrote:
Over on the Discord, I have posted a DEC Computer Lab H-500 for sale.
Needs cosmetic help, but will be priced accordingly.
Offers? Off list
On 6/17/2021 4:40 AM, D. Resor via cctalk wrote:
It seems at least on the first page of their listings, $899.99 is a favorite
asking price?
https://www.ebay.com/str/vintagecomputermuseumservices?_trksid=p2047675.l256
3
Don Resor
When I first crossed paths with this guy I sent him a messag
On 6/17/2021 2:10 PM, John Foust via cctalk wrote:
At 03:59 PM 6/17/2021, jim stephens via cctalk wrote:
When I first crossed paths with this guy I sent him a message about some item
he had listed correcting his claims about it. Don't recall that.
Is there some reason we're
If you bring up the Android (maybe apple, too) translate and engage the
camera icon an aim it at the screen, you can peruse it as well. It would
be cool to find some utility to break up the PDF if the OCR is accurate
enough and re-assemble it in some fashion similar to the auto camera
translati
On 6/21/2021 12:17 AM, Chuck Guzis via cctalk wrote:
It's been over 50 years since I last did this, so I may have gotten
something wrong in my wetware. But you get the general idea.
The University of Southwestern Louisiana had a running (actually two
CPUs) and a reader punch and printer tha
On 6/21/2021 1:43 AM, ben via cctalk wrote:
But with all this computing science, they have yet to make a clean
meta compiler like Meta II, or Tree meta.
The compiler structure used in Pick is pretty much like this.
XPL by William M. McKeeman and others which Microdata used to create the M
On 6/21/2021 4:00 PM, Van Snyder via cctalk wrote:
I was once told that the most valuable guy in a Honeywell 6080 Multics
shop was the plumber.
No water cooling.
On 6/22/2021 11:46 PM, Van Snyder via cctalk wrote:
| The same goes for Multics
I think the 80286 was a better platform than the original for Multics.
And, of course, the Pentium is even better. Is Multics available for
Intel systems?
I'm not sure what you are talking about. Intel's engineer
On 6/23/2021 10:25 AM, Al Kossow via cctalk wrote:
On 6/23/21 10:17 AM, Lee Courtney via cctalk wrote:
Many years (decades?) ago Dave Babcock and I read all the cards as
part of
the original 1620 project at CHM.
There has been a steady stream of misinformation about CHM's 1620 in
the pas
On 7/20/2021 10:13 AM, pspan via cctech wrote:
I worked at a company called DMA located in Amery Wisconsin during the
80's and 90's that did do core mat repair. Yes, the gal that did the
work used a scope. She replaced cores and wires. Good luck finding
someone to do that work now. If I reme
I stored the tape drives and printers from the SDS pile. I asked when
the whole fiasco first surfaced and someone connected to the landlord
got into the mess. They said there was no media. I never saw any in
Kansas City which was to have been delivered as part of me storing that
stuff for hi
On 7/31/2021 8:12 PM, Chuck Guzis via cctalk wrote:
On 7/31/21 6:23 PM, Steve Malikoff via cctalk wrote:
A practice still observable on Youtube where you can marvel at a grimy oily
ASR33 being stripped down and restored, all the while whilst wearing a spotless
crisp ironed long-sleeve pin-st
On 8/2/2021 7:22 PM, Bill Degnan via cctalk wrote:
FANUC A860-0056-T020 Papertape Reader and DOSTEK 440A BTR
https://www.ebay.com/itm/274883740917
Ebay listing includes my project notes. Hopefully someone here will want
it.
Bill
I see that to ship from you to the Los Angeles area is $112.00
On 8/11/2021 10:57 PM, Al Kossow via cctalk wrote:
"nobody collects printers"
Tossed a couple 2 years ago which were unloved. I don't think I have
any in my KC warehouse, but will have my friend there check.
I mainly don't save the Laserjet because no parts and they
don't run forever.
On 8/11/2021 11:23 PM, Al Kossow via cctalk wrote:
On 8/11/21 11:12 PM, jim stephens via cctalk wrote:
On 8/11/2021 10:57 PM, Al Kossow via cctalk wrote:
"nobody collects printers"
Tossed a couple 2 years ago which were unloved. I don't think I have
any in my KC ware
On 8/14/2021 1:36 PM, Warner Losh via cctalk wrote:
On Sat, Aug 14, 2021, 2:08 PM Douglas Taylor wrote:
On 8/14/2021 1:54 PM, Warner Losh wrote:
On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk <
cctalk@classiccmp.org> wrote:
I ran into a YouTube video, that it is 5 years old
I had an 11/15 with one of these, no memory in the main box.
Both stolen along with an 8/M
Wondering if anyone saw such for sale in the last 5 years. Private
email if so.
thanks
Jim
On 8/20/2021 4:04 PM, Steve Malikoff via cctalk wrote:
I just saw there is an ME11 Memory Expansion unit on
On 8/26/2021 5:14 PM, Ray Jewhurst via cctalk wrote:
Hello all,
Long time lurker, extremely rare poster, I was reading the Wikipedia
article on the IBM 1620 and became quite intrigued. I know that there is a
simulator for it on SimH but I have never ran or simulated any card-driven
machines b
On 9/5/2021 2:55 PM, Chuck Guzis via cctalk wrote:
On 9/5/21 1:24 PM, Gabriel Nielson via cctalk wrote:
I was digging through the internet and found a post where a 3803 was posted for
sale, would there happen to still be one available?Preferably a model 2
Thanks,gcniel...@yahoo.com
Aside f
On 9/18/2021 1:45 PM, Fred Cisin via cctalk wrote:
On Sat, 18 Sep 2021, dwight via cctalk wrote:
Of course, Busicom was the first programed microprocessor driven
calculator, it wasn't the first calculator using calculator ICs. That
is what Busicom was trying to compete with, when going to In
Wifey has phone numbers and knows about several of these lists.
thanks
Jim
On 9/18/2021 7:10 PM, Grant Taylor via cctalk wrote:
On 9/18/21 7:32 PM, Mike Katz via cctalk wrote:
Which is worse, no basement or a wife 😁
To all the wives out there: "no basement"
I have a version of a full size 8" floppy drive footprint (or hard
drive) which is wafer scale storage.
thanks
Jim
On 9/21/2021 3:00 PM, Jecel Assumpcao Jr via cctalk wrote:
An interesting project that Sir Clive was involved in was the wafer
scale integration effort by Ivor Catt.
http://www.co
On 9/28/2021 2:48 PM, Al Kossow via cctalk wrote:
"I've been using vi for about two years, mostly because I can't
figure out
how to exit it."
:q
you're welcome
Or having to power cycle the machine to get out of EMACS.
thanks
Jim
On 11/16/2021 2:20 PM, Al Kossow via cctalk wrote:
On 11/16/21 2:08 PM, Murray McCullough via cctalk wrote:
Did the 4004 chip start our interest in microcomputing?
no
I got interested in microprogramming before it was hijacked as a a term
for such devices. It's generous at best to appl
On 11/20/2021 11:11 AM, Jonathan Katz via cctalk wrote:
Hey everyone!
Has anyone been able to use a SCSI2SD setup where HVD is required? I
know by default that isn't supported, but given we can get custom kits
to solder, we could just change out one of the controller chips
(optimistically?)
On 10/1/24 12:31, Jon Elson via cctalk wrote:
On 10/1/24 11:45, Tom Uban via cctalk wrote:
I should note that my local store's primary business at this point is
installing AV systems into peoples homes and repairing old stereo
equipment, which means they are likely the largest consumer of
On 11/11/24 14:13, Chuck Guzis via cctalk wrote:
Dear list denizens,
I've got a mental itch that needs to be scratched. Before me sits a
yellow 3-hole reel of IBM 556 bpi 1/2" tape. Fortunately, the leader is
intact and carries the number H241032488. Does this perchance give any
clue as to
On 10/31/24 19:02, Jon Elson via cctalk wrote:
On 10/31/24 09:35, Donald Whittemore via cctalk wrote:
If I remember right I was told back in the early 70s by our IBM CE
that physical damage could be done to our model 30 or 40 if we ran a
program that did an Assembler instruction, B * For
On 10/31/24 07:06, Liam Proven via cctalk wrote:
On Thu, 24 Oct 2024 at 20:24, Wayne S via cctalk wrote:
They had a lot of local numbers so you didn’t have to pay Toll charges.
Only in the USA, or maybe N America.
Most of the world, AFAIK, we all paid for all calls, local and
long-distanc
On 12/20/24 18:36, Van Snyder via cctalk wrote:
The IBM 1403 printer had interchangeable print chains. I know of only
four 1403 printers still working — two at the Computer History Museum
in Mountain View, CA, one at the IBM Technology Center in Böblingen,
Germany, and one near Endicott, NY.
original board github
https://github.com/SpareTimeGizmos/SBC6120
manual
https://www.grc.com/pdp-8/sbc/sbc6120_users_manual.pdf
this forum had some people building and selling some boards
https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc6120-rbc-edition:start
the 6120s are the fun pa
On 12/23/24 07:16, Donald Whittemore via cctalk wrote:
I thought the whole idea of the middle pocket on the 2540 was to allow a master
deck to be read in and fed to the middle pocket. A total card in the deck could
be selected into read pocket 1 and a new total card punched and fed to the
m
There was a fellow from one of the research buildings who had an xray
crystalography project ongoing, and some of his research is still
textbook for the subject.
Anyway he had been running for years in 72 on, and was generating
massive amount of data. He had two full handtrucks of 2000 card d
On 12/23/24 17:21, Van Snyder via cctalk wrote:
On Mon, 2024-12-23 at 20:42 +, Wayne S via cctalk wrote:
For the people who worked at IBM, what was the difference between an
“FE” and “CE” ?
When my employer had a 7094/7044 Direct Couple, all the IBM guys who
worked on it were called "CE"
On 12/23/24 17:29, Van Snyder via cctalk wrote:
On Mon, 2024-12-23 at 18:21 -0500, Rod Bartlett via cctalk wrote:
One site I used to service (USGS in Reston, VA) had a split computer
room. The left side was for IBM gear while the right side held a
Honeywell Multics machine
Stuart Feldman, f
On 2/16/25 23:12, ben via cctalk wrote:
Did any classic computers have a subroutine call as (S++)=PC, PC=(EFA)
as well as the standard call (--S)=PC,PC=(EFA) ?
One could have a virtual stack machine, using helper functions
without having to deal with return addresses on the stack.
Ben.
Th
I entered a lot of history with the Pick system and Microdata directly
to Wikipedia of which quite a bit were events and situations I
personally was involved in.
Having that thrown out really pissed me off, and I've not bothered
putting much in since. Mostly typos and minor edits.
But it's
I got challenged by an idiot editor for my three letter login who put
some sort of hold on it.
After a plea on the discussion for my ID a guy came in with privileges
near as I can tell 4 levels higher and asked why that had any justification.
Near as I can tell 24 hours later the ID had no ed
On 6/2/25 10:27, Sean Kelly via cctalk wrote:
Hi,
I am looking for a SCSI to Pertec interface for my Qualstar 3400 drive or the
Qualstar SCSI PCB for the same.
Does anyone have anything suitable they would like to sell?
Thanks
Sean
This hack project may be useful.
https://hackaday.io/
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