On 11/17/21 3:10 PM, Glen Slick via cctalk wrote:
Disk images have been sent to Al. I assume he will eventually upload
them to Bitsavers when he has time to do so...
uploaded to http://bitsavers.org/bits/DEC/pdp11/floppyimages/RT11-V05.01.ZIP
On 11/16/21 2:08 PM, Murray McCullough via cctalk wrote:
Did the 4004 chip start our interest in microcomputing?
no
On 10/4/21 1:05 PM, Cameron Kaiser via cctalk wrote:
https://www.applefritter.com/node/538
Interesting bit of outsider fiction.
On 10/4/21 8:56 AM, Cameron Kaiser via cctalk wrote:
https://oldvcr.blogspot.com/2021/10/shiner-esb-apple-network-server.html
http://www.floodgap.com/retrobits/ans/esb/
"Were you a Shiner designer? "
That would be Dennis Yarak. Dennis went to portables from the server group
and was project
On 9/30/21 10:47 AM, Antonio Carlini via cctalk wrote:
Alternatively, is the current manx database available anywhere?
Richard Thompson should be maintaining it.
Now that bitsavers is on a machine that I have a shell account on I need
to start generating fixity information for the files
"I've been using vi for about two years, mostly because I can't figure out
how to exit it."
:q
you're welcome
On 9/24/21 2:32 AM, Christian Corti via cctalk wrote:
Don't get me wrong, but I had written some emails in the last years offering stuff for bitsavers (downloadable from our FTP site). They
never made it into the archives.
Christian
I know I've put some things up. Sometimes offers get lost
On 9/22/21 1:51 PM, Christian Corti via cctalk wrote:
Bitsavers will post process and create a searchable PDF
Since when?
I think I'll just step away from the terminal for a few hours.
I've been OCRing uploads for YEARS.
On 9/22/21 1:51 PM, Christian Corti via cctalk wrote:
Hasn't worked for me in the past ...
guess I picked a bad day to stop sniffing glue
On 9/21/21 12:31 PM, Al Kossow via cctalk wrote:
On 9/21/21 12:26 PM, Bob Smith via cctalk wrote:
I have noted that the Computer History Museum has a number of
donations from XKL re Toad1.
Rich Alderson might be the resident expert for this set of questions.
Why would you think that?
CHM
On 9/21/21 12:26 PM, Bob Smith via cctalk wrote:
I have noted that the Computer History Museum has a number of
donations from XKL re Toad1.
Rich Alderson might be the resident expert for this set of questions.
Why would you think that?
CHM != LCM+L
On 9/21/21 9:58 AM, Chris Zach via cctalk wrote:
How the hell did I miss *that*? Cool beans device, I've never heard of a VS100.
Was it in a Rainbow sized box or a Pro/350 box?
Smaller. I have access to one to take pictures and dump the firmware
PLEASE PLEASE PLEASE REPLY TO JOHN AND NOT THE LIST!
On 9/18/21 12:04 PM, mike via cctalk wrote:
> John, I'd be interested the 8" drives. What kind are they?
>
On 9/15/21 11:58 AM, J. David Bryan via cctalk wrote:
I don't think I have a brochure, but PFT products occupy about ten pages of
my 1997 Allied Electronics catalog.
I picked up a 1990 catalog, we'll see if it's in there.
On 9/15/21 9:00 AM, Al Kossow via cctalk wrote:
PFT made MOD-U-LINE MCLS modular aluminum enclosures (sides, top and
front/back).
The only information on the web is
https://www.ceitron.com/passive/pft.html
Does anyone still have a copy of their brochure?
They were used a lot for projects
PFT made MOD-U-LINE MCLS modular aluminum enclosures (sides, top and
front/back).
The only information on the web is
https://www.ceitron.com/passive/pft.html
Does anyone still have a copy of their brochure?
They were used a lot for projects in the 70's and 80's like the PCM-12
The company was
On 9/11/21 11:09 AM, ED SHARPE wrote:
Thanks Al!
OK the thickness of tubing is not critical?
it is. I used https://www.usplastic.com/catalog/item.aspx?itemid=23485
That black goo is hard to get off the hands.. what have you found to be the
best solvent? Ed#
goo gone, or something else
The roller in the HP cartridge tape drives of various models have turned to crap also... I have one that came with an HP 3000 series 37
mighty mouse system thst totally goo-ed a tape Any one with similar problem find a replacement roller?
Yes, they are easily made from norprene
I've been having fun this past week trying to get the mechanics of a Canon CX
print engine
in a LaserWriter restored. The paper pick and separation rollers have turned to
goo.
This got me thinking that people need to start collecting information on rubber
parts,
like dimensions, material and
On 9/7/21 9:56 AM, Tom Hunter via cctalk wrote:
Until now I have been spoiled with quite decent DEC PDP-8/e documentation
and would be surprised if Data General did not provide a similar level and
quality of documentation. Maybe I am looking in the wrong place.
Bruce Ray at Wild Hare is the
On 9/4/21 8:02 AM, Jay Jaeger via cctalk wrote:
Also, I see that version 1.0c of the open source Blue Pill version has a fix that involves TERMPOWER: "Fixed issue with external power and
TERMPOWER".
there is also a development discord for these little scsi adapters
On 8/28/21 12:12 PM, Jay Jaeger via cctalk wrote:
I have successfully read a couple of Mod I disks (143KB). But some have not
read very well.
I played with one when they came out. The software wasn't ready for prime time.
I had hoped it had gotten better since then. Even something basic
On 8/28/21 12:11 PM, Jay Jaeger via cctalk wrote:
also looked at some field service material available on
archive.org.
Was this different from the docs I have on bitsavers?
They have all of bitsavers, but changed the filenames and screwed up the
directory heirarchy.
IA is a nightmare
Re: scanning resolution
I've never seen a perceivable difference beyond 600-800dpi in the material I
work with
You have to consider the media you are working with. Even 600 is overkill for a
DEC
pulp handbook from the 60's, while a high clay litho magazine may have
half-toning to
that level.
On 8/28/21 8:57 AM, Antonio Carlini via cctalk wrote:
Neatly solved in the document's future (but our past and present) by having
documents that are born digital.
Good luck translating documents that HP, DEC and IBM produced in their proprietary
"bookreader" formats so
they don't look like
On 8/27/21 6:01 PM, Paul Koning wrote:
> I once looked for open source OCR, and found one (an obscure GNU project I
> think) but it didn't do much.
|Most of the world uses tesseract, including ocrmypdf
I didn't see an obvious example of ocrmypdf doing OCR in parallel on a single
document
|
I was also just thinking you would probably have to have a layer (black) with
all of the
stuff to OCR including the stuff in red and blue, then overlay the color on that
after the pass through whatever you're using to do the OCR.
The one bottleneck I would really like to fix is getting the 24
Probably the way to deal with DEC tri-color would be to define rectangular
regions and have
three separate bitonal layers colored black red and blue, and a third JPEG-2
for grayscale
or color images. Doing the layer separations would be the non-fun part.
On 8/27/21 2:05 PM, Paul Koning via cctalk wrote:
For material such as the RSX manuals you mentioned, the tool needed is a
compression algorithm that handles color with hard edges faithfully. Basically
that means a lossless compression scheme. That should be fine, since pages
like that
On 8/26/21 7:43 PM, Van Snyder via cctalk wrote:
> There was a professor at Purdue who had two 20-drawer card cabinets
> full of 1620 software. I think his name was Maniotis. I think the
> Computer History Museum in Mountain View has it now. Maybe it's online.
On 8/25/21 4:51 PM, Alan Frisbie via cctalk wrote:
> I recently acquired a Wilson Laboratories SX-530 disk exerciser
> for SMD interface disk drives. Unfortunately, it did not come
> with a manual. Does anyone out there have a copy they could
> make available? Yes, Bitsavers was the first
On 8/25/21 12:29 AM, Eric Smith via cctalk wrote:
Speaking of which, it would also be nice to see some Robinson Nugent
connector catalogs from the late 1970s and early 1980s. I am especially
interested in seeing specs for their bottom-entry square-pin receptacles,
which I think _might_ be the
On 8/19/21 7:08 AM, Chris Zach via cctalk wrote:
home, does it have an SMD or other type of interface?
They made many interfaces, but not SMD, afaik.
One they did support was Diablo.
It would help to know either what system it was attached
to, or the full part number.
I have lots of
images up under
http://bitsavers.org/bits/DEC/pdp11/floppyimages/rx50/V7M-11-V1.0_6_USR_RX50-QJ083-H3.zip
On 8/15/21 8:08 AM, Bill Gunshannon via cctalk wrote:
It's just shy of 4M. Not
sure if it could be emailed.
If your system will accept something that big, I can receive it.
It isn't uncommon anymore for mail clients to accept 10mb attachments
thanks to HTML mail bloat.
On 8/14/21 9:55 PM, Warner Losh via cctalk wrote:
Of course Al has it.
I have lots of things, unfortunately there are lots of other things out
on the interwebs that I have no idea exist.
On 8/13/21 3:15 PM, J. David Bryan via cctech wrote:
On Friday, August 13, 2021 at 17:23, Alexandre Souza wrote:
Is any kind of standard, recomendation, group, mail list, to discuss
the subject?
I am not aware of any. I started with Al Kossow's basic recommendations,
modified slightly:
On 8/13/21 6:14 PM, Murray McCullough via cctalk wrote:
this began
the era of mass-computing and it is now what classiccmp.org
is all about
wrong
go play with the children on vogons or the VCF forum if you feel that way
I vaguely remember this being discussed eons ago wrt correct storage
orientation to keep cathode shed from hitting the phosphor.
On 8/12/21 3:16 PM, Zoltan HERPAI wrote:
On 08/12/2021 16:47, Al Kossow via cctalk wrote:
On 8/12/21 7:18 AM, James B DiGriz via cctalk wrote:
I recently pulled out a LaserJet IIIp while cleaning up to make space
Someone gave me a IIIp yesterday. I think one sold at VCF-W over the weekend
On 8/12/21 12:46 PM, Alexandre Souza via cctalk wrote:
AFAIK HP did the HPII and HPIII formatters
https://www.ebay.com/itm/143476807618
On 8/12/21 9:37 AM, Lars Brinkhoff via cctalk wrote:
Al Kossow wrote:
There has been some work going on emulating early Laserwriters in MAME
Maybe an emulator for Xerox's XGP could be piggybacked onto that.
Not really. MAME is a great tool for experimenting with the firmware from
old
On 8/12/21 9:09 AM, Zane Healy wrote:
I’m really curious as to why they’re working on the emulation.
For the intellectual challenge, and to play with the Postscript interpreter.
On 8/12/21 7:18 AM, James B DiGriz via cctalk wrote:
I recently pulled out a LaserJet IIIp while cleaning up to make space
Someone gave me a IIIp yesterday. I think one sold at VCF-W over the weekend
I suspect interest in emulating them will die out once they get past the 68000
models.
On 8/12/21 7:25 AM, John Foust via cctalk wrote:
One step behind
the wrecking ball or the recycling dumpster as the case may be.
Yup. I started saving Laserwriter bits when their was originally
some interest in emulation a few years ago.
HP used Canon formatters on the LW and LWII, then did
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
On 8/11/21 11:29 PM, jim stephens via cctalk wrote:
I might know where an Apple printer is, but not sure i we took it. The one with the Laserjet 2 Canon engine. Not what you're after, but
possibly interesting.
I'm set on apple units, those are still around.
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 warehouse, but will have my friend there check.
I mainly
There has been some work going on emulating early Laserwriters in MAME and I
was wondering
if anyone still has boards or firmware dumps from Laserjets.
It seems most have been scrapped.
"nobody collects printers"
On 8/9/21 6:12 PM, Noel Chiappa via cctalk wrote:
You aren't by any chance sitting any DM11-AA manuals, are you? :-)
probably. there are still quite a few drawings to go through
On 8/9/21 11:32 AM, Noel Chiappa via cctalk wrote:
Anyone have a set of DQ11 prints? The DQ11 MM is missing some important
info, which is apparently only on the prints.
Noel
http://bitsavers.org/pdf/dec/unibus/DQ11_RevL_Engineering_Drawings_Aug75.pdf
On 8/9/21 9:10 AM, Grant Taylor via cctalk wrote:
I would *VERY* *MUCH* /like/ to get my hands on Pathworks. I'd be quite happy to pay for shipping for just them, or if you prefer, all of
the (unclaimed) disks.
Whatever happened to PRIVATE replies.
It isn't even that hard to do, you just
On 8/9/21 9:10 AM, Grant Taylor via cctalk wrote:
I would *VERY* *MUCH* /like/ to get my hands on Pathworks.
http://bitsavers.org/bits/DEC/decnet/
sometimes I wonder why I even bother putting this s*it up
On 8/7/21 9:48 PM, r.stricklin via cctalk wrote:
Annoying, but I still appreciate the tip. I think I can get where I need to go
with the assorted Boschert manuals on Bitsavers, if I put the effort into
tracing mine out.
Tony forwarded me some schematics which i've added to
On 8/7/21 9:48 PM, r.stricklin via cctalk wrote:
But I should trace the thing out anyway and try to draw my own schematic, first.
if you do trace it out, I'd like to add it to bitsavers.
there aren't many boschert schematics on the web
On 8/6/21 9:45 AM, Len via cctalk wrote:
Some years ago, inspired by Paul Pierce's earlier program in Java, I wrote similar software in C to decode the analog waveforms from tapes
in a variety of formats: 7-track NRZI, 9-track NRZI, PE, and 6250 BPI GCR, and 6-track NRZI for Whirlwind.
On 8/1/21 11:45 AM, brainded ben via cctalk wrote:
I suspect if they had the proper virtual memory, it would have been picked
up as a Unix cpu
Pull your head out of your ass. Unisoft had a very profitable business porting
Unix to 68000 computers (note, NOT 68010) The Apple Lisa's 68000 ran
If you care about what is on that tape, send it to Chuck for recovery.
I wouldn't trust someone without a lot of experience in tape
prep and recovery with something I thought was important.
On 7/29/21 10:08 AM, Mark Huffstutter via cctalk wrote:
Hi Richard,
I could use them if they are still available, I have the
very nice binder manual for them, minus the disks!
Don't store diskettes in vinyl sleeves.
The plasticiser leaches out of the vinyl onto the
On 7/29/21 7:21 AM, Chuck Guzis via cctalk wrote:
The hard part is going to find one of the reader units.
Digi-Data made them
https://www.computerhistory.org/collections/catalog/102662523
Sadly, whoever cataloged this had no idea it was for IBM MT/ST tapes
so there is no mention of MT/ST in
On 7/23/21 12:48 PM, Al Kossow via cctalk wrote:
On 7/23/21 12:43 PM, Lee Gleason via cctalk wrote:
the prices were a bit higher than I was prepared to pay
the guy is a flipper, let him scrap the stuff before giving him a dime
If you haven't figured this out already I am NOT happy with him
On 7/23/21 12:43 PM, Lee Gleason via cctalk wrote:
the prices were a bit higher
than I was prepared to pay
the guy is a flipper, let him scrap the stuff before giving him a dime
On 7/23/21 10:38 AM, Jules Richardson via cctalk wrote:
Sadly it's getting on for 1,500 miles away from me.
just let this stuff be ecycled already
like a friend said, we are all just delay lines for the dump
On 7/23/21 6:24 AM, Liam Proven via cctalk wrote:
I think the Compaq was a Deskpro
It was. I remember a visit to an Apple exec's office
who had one on his desk just after it came out and his
concern wrt competition for the Mac II.
He would end up going to work for Dell
On 7/22/21 2:04 PM, Al Kossow via cctalk wrote:
On 7/21/21 6:12 PM, Lee Courtney wrote:
Al or other - any idea what happened to the SDS relics and detris HCM picked up
after the donation to CHM?
I was just in contact with the person who actually did the cleanout of the
museum warehouse
On 7/21/21 6:12 PM, Lee Courtney wrote:
Al or other - any idea what happened to the SDS relics and detris HCM picked up
after the donation to CHM?
I was just in contact with the person who actually did the cleanout of the
museum warehouse (not the current seller)
"As I cleared the
Here are the only pictures I could find when the keyboard vultures
descended two years ago
https://deskthority.net/viewtopic.php?f=62=20593
https://www.facebook.com/groups/2103793056560583/permalink/3118441161762429/
On 7/19/21 4:20 PM, Al Kossow via cctalk wrote:
On 7/19/21 4:03 PM, Jules Richardson via cctalk wrote:
It would be nice to save a complete system though, since most have been tossed
out since there is little
practical use for them now.
I've collected a LOT of in-circuit emulators
On 7/19/21 4:03 PM, Jules Richardson via cctalk wrote:
Just out of interest, is the software for the Tektronix 8002 microprocessor lab
archived out there anywhere?
It would be nice to save a complete system though, since most have been tossed
out since there is little
practical use for
On 7/19/21 4:03 PM, Jules Richardson via cctalk wrote:
Just out of interest, is the software for the Tektronix 8002 microprocessor lab
archived out there anywhere?
I have some but it is hard-sectored so I've never tried to read it.
It's pretty unlikely anyone at the tek museum would have
On 6/29/21 10:19 AM, Al Kossow via cctalk wrote:
On 6/29/21 10:00 AM, cctech-requ...@classiccmp.org wrote:
I miss that machine. I'd love to sim it but the code and schematics are
gone forever.
I offered to help you read the tapes
On 6/29/21 10:00 AM, cctech-requ...@classiccmp.org wrote:
I miss that machine. I'd love to sim it but the code and schematics are
gone forever. Actually I think CHM has a box of stuff but I can't find a
link to it anymore.
another case where I watch cctalk, and this showed up only in
On 6/26/21 7:11 PM, Al Kossow via cctalk wrote:
On 6/26/21 3:42 PM, Jules Richardson via cctalk wrote:
The panels at the tops of the racks all seem to say Adage. Perhaps the
blinkenlights panel is theirs, too?
The entire system is an Adage Graphics Terminal
There are some docs now up
On 6/26/21 3:42 PM, Jules Richardson via cctalk wrote:
>
> The panels at the tops of the racks all seem to say Adage. Perhaps the
> blinkenlights panel is theirs, too?
>
>
>
The entire system is an Adage Graphics Terminal
There are some docs now up under http://bitsavers.org/pdf/adage/agt
On 6/24/21 12:34 PM, Zane Healy wrote:
paul
Thanks. That's a crazy high price for what "untested, for parts" with a thick
coat of dirt. I find a conventional PC layout good enough for what I need.
paul
Geeze, at that price, do I need to start clearing out my keyboard
On 6/24/21 9:06 AM, Paul Koning via cctalk wrote:
LK201s use 4800 baud UART interfacing. PC keyboards with DIN connectors (PS-2)
have a very different type of interface, nothing like a UART. If the terminal
you are talking about wants a PS-2 keyboard, as my VT501 does, you need a
protocol
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 past
week. I had been staying out of making any comments
off topic, but since Teraks came up
does anyone have boot disks for the later Calcomp Teraks that have an NEC 7220
graphics color graphics board?
On 6/17/21 1:10 PM, Santo Nucifora via cctalk wrote:
One of the 5110's I acquired
had a full set of manuals but they were water damaged and the schematics
manual was one solid block of paper with all pages stuck
together
what was the part number of that manual?
On 6/17/21 7:55 AM, Eric Dittman via cctalk wrote:
It's a virtual museum using eBay to display the exhibits.
On 6/17/21 9:48 AM, William Donzelli via cctalk wrote:
Approximately zero people ever thought this guy was a museum.
As a friend used to say, the "Services" in "Vintage Computer
King Tut's junk will be trashed when the next revolution comes (see ISIS).
US in Gulf War I destroying museums in Iraq
sore subject for me..
On 5/27/21 8:20 AM, John Herron wrote:
We're the viruses identified and cleaned from the archive?
no
On 5/26/21 11:22 PM, Zane Healy wrote:
I thought Don’s archive had been lost, when was it recovered?
Don's daughter donated some of the contents of his storage locker in 2013 to CHM
I read several hundred of his floppies, and his pc hard disk.
On 5/26/21 8:12 PM, Marvin Johnston via cctalk wrote:
I don't remember the limitations of the unregistered Teledisk program, but something in the back of my mind says Dave Dunfields IMD (?) will
translate Teledisk programs.
Something I've found very useful over the years is the Don Maslin
On 5/25/21 9:57 AM, Chris Zach via cctalk wrote:
Bob's basement has been like a little time machine for the Perq lovers
the stuff is in horrible condition, same as the machines Josh referred to from
Pittsburg
On 5/25/21 8:58 AM, William Donzelli via cctalk wrote:
I believe that enthusiastic and competent individuals will look after
valuable items much better than most museums can.
As one who does estate cleanups professionally, I have a wildly
different opinion...
And as someone who has had CHM
On 5/24/21 3:36 PM, Zane Healy via cctalk wrote:
They have a lot of unobtainable software and documentation.
Even if they do open back up, don't expect to get any intellectual property out
of
them ever again. The people who were proponents of that were all laid off.
On 5/22/21 12:34 PM, Grant Taylor via cctalk wrote:
>
> [1] https://en.wikipedia.org/wiki/IBM_PC_Network
>
>
>
I have the tech ref on bitsavers.
This was sytek cable modem tech. In small networks you had a little frequency
translator box locally
On 5/22/21 9:19 AM, Zane Healy via cctalk wrote:
In this the weakest link would appear to be the SD Card. As such it seems to
me that the best solution would be to have 2 or more SCSI2SD’s in the device.
There should be SMART support so you can see what the state of the card is,
assuming
posting this over here, if anyone has any clues for this guy
i could dig in the DEC archive but it won't be any fun to find
https://www.vcfed.org/forum/forum/genres/dec/1209678-documentation-for-dec-dup-protocol-as-used-by-dec-diagnostics-such-as-xxdp-on-rqdx3#post1209697
On 5/12/21 7:05 AM, Zane Healy wrote:
He posted to this list on April 21st of last year. At that point he was still
in Astoria, Oregon.
That's good.
There are some Tek computers he has that have been in limbo for years.
Josh and I have been trying to contact him for a couple of years now.
Has anyone been in contact with him?
On 5/11/21 11:23 AM, W2HX wrote:
In probably 30 years I've been repairing equipment and among the dozen or so electronics forums I belong to, you may be the first person I've run across to throw some shade on that product.
On 5/11/21 2:15 PM, Paul Koning via cctalk wrote:
Does anyone have a DMC11 integral modem line card schematics set?
another set is up now on bitsavers as
EY-D2104-HO-02_DMC11_Engineering_Drawings_1975.pdf
I would suggest Caig
I would suggest researching and understanding what their snake oil does before
using any Caig product.
On 5/9/21 11:09 PM, Dennis Boone via cctalk wrote:
Folks,
Does anyone have a design for printing card handles for QBUS / UNIBUS
cards?
how about
https://www.essentracomponents.com/en-us/p/pcb-card-pullers
re. using plastibands for QIC recovery
Chuck sent me a note about these, thought you'd be interested.
I just got a package in to try.
https://www.amazon.com/gp/product/B08536J6Y5?language=en_US
On 5/7/21 5:10 AM, Paul Koning wrote:
Speaking of ECL: DEC did some amazing work with ECL VLSI in the early 1990s. There was an R
project called "BIPS" (for "billion instructions per second") -- which aimed to
build a single-chip processor that would run at a gigahertz. That was way faster
On 5/6/21 7:35 PM, Chris Zach via cctalk wrote:
Ah well. I don't think it was evil marketing or VAX monsters that killed the KC10, it was simply the fact that the amazing instruction set
couldn't be pipelined to make it more efficient for hardware and the memory management system wasn't as
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