Got a hard down situation and need to re-install/recreate the BBS system I
had running.
HDD makes swishy noises when shaken, haven't tried stirring yet.
I /guess/ a bootable MCA SCSI card would work too... ;)
I had the 160MB drive, but anything above 30 would work - i guess i'll just
have to use a SCSI Drive for the file storage area once i get an MCA SCSI
card ....
--
Gary G. Sparkes Jr.
KB3HAG
Hi
It's a longshot. But recently I aquired two BA11-N. One is just the cage
and power supply. Looks just like this:
http://www.ricomputermuseum.org/_/rsrc/1300059803599/Home/equipment/dec-pdp…
The other came with mounting box but no front panel. I would like to
make it complete with the white front bezel seen here:
http://hampage.hu/pdp11/kepek/11-03.jpg
Does anyone have one for sale?
The greyish plastic arround the front panel would be a bonus since mine
got a small crack in it.
Regards,
Pontus.
For anyone interested, here's another repair writeup. I didn't keep as good
a notes as I should have on this one and the memory (my memory!) is of
little help. If I'm going write these things up I really should do it
straight afterwards! Anyway, the board lives now. It's something I could
never have diagnosed just from chip swapping.
http://www.classic-computers.org.nz/blog/2015-12-05-repairing-an-appleII+-b…
I did learn that it's possible for the machine to boot to BASIC even with
faulty RAM in the first row, something that I didn't think was possible.
Depends on the nature of the fault I guess.
Terry (Tez)
This was the five-part seminal description of the S/360, published in the
IBM Systems Journal, Volume 3, Number 2.
I've very much like to read all five parts. Does anyone have a copy that
might be shared?
Thank you,
paul
From: jnc at mercury.lcs.mit.edu (Noel Chiappa)
Subject: Re: Decisions you regret Was: Mystery IC: Allen Bradley
> > From: Brent Hilpert
>
> > I threw out a print-only selectric a few years ago ... Regret it now,
> > just because it would have been fun to figure it out. C'est la vie.
>
> I can top that.
<...>
> Every time I think about it I kick myself... Sigh!
>
> Although I suspect a lot of people here have stories like that...
Yep. Among the things that I have given away (to Goodwill, or possibly
Salvation Army) - all in running condition:
- A complete HP-1000 system: A600 processor with internal hard drive, serial
card + 8-port serial mux, all floppies, all documentation, a 2631G printer,
7912 13 MB disk drive, and two 2624B terminals
- My CP/M "network", with Cromemco Z2-H with two 5 MB hard drives and two 8"
floppies, 8-port serial card, connected to three H-19 terminals (the BIOS
allowed you to become the console by typing ^C anywhere), HP2648 graphics
terminal with tape cartridges, HP 2762 terminal (a re-badged GE
Terminet-300), and an H-89 with three external floppies
- Ancient SCM TypeTronic system, with the main typewriter console, two 30
CPS optical paper-tape readers, two really nice (re-branded CDC) 30 CPS
punches, 2816 main control unit, and 7816 arithmetic unit (with internal
fixed-head disk - 9 words plus a buffer, 30 digits/sec transfer rate!)
- Abandoned to rust away in a garage: a Teletype KSR-33 with punch and
reader, of course, and a built-in modem with acoustic coupler, in perfect
condition
- Turned down - a complete HP-3000 system, with two Eagle 76936 512 MB
drives, 32 serial ports, 2617A 600 LPM printer, and a few 2640 and 2622
terminals
Did I mention that *everything* was in perfect working condition?
I'm going to go shoot myself now.
~~
Mark Moulding
> From: Brent Hilpert
> I threw out a print-only selectric a few years ago ... Regret it now,
> just because it would have been fun to figure it out. C'est la vie.
I can top that.
MIT offered me (as a gift) the PDP-11/45 that I used to run; it included a
pair of CalComp 50MB drives, a pair of RK05s, an ABLE ENABLE, 3 H960's, lots
of other goodies. I blew it off, I was too busy dealing with other things at
the time (I was on the IESG at that point) to deal with arranging to get it
shipped down to me. They gave it to someone else, and near as I can work out,
eventually it got scrapped.
Every time I think about it I kick myself... Sigh!
Although I suspect a lot of people here have stories like that...
Noel
I suspect the answer is no, but before I spend a few afternoons tracing out the diagrams,
does anyone have a schematic or (real) service manual for the Diablo/Xerox 3000
computer, in particular the MRPRO CPU board.
This is a 1980s all-in-one business desktop computer with 2 internal 8" drives. Based on
an 8085 CPU.
I have one that was mangled in the house-move (the movers decided to cut the keyboard
cable for me). I have now repaired that (and the signals do make sense) but I have other
faults (these were probably there before the move, I had not run it for many years). Power
lines are fine, CPU chip is getting a clock, but the ready pin is held low. So not a lot
happening....
The CPU board is not complicated, really (about 50 ICs, all of them standard) so it is going
to be possible for me to trace the schematic if that's what is needed...
-tony
We have this Precision Instruments PI1200 7 track tape drive. It can do 200
bpi, 556 bpi and 800 bpi. It should be an incremental type tape drive.
Once upon a time (read seventies) it was used for experiments storing PCM
audio on tape. But has since then not been used. The manual is somewhere
nearby, but I didn't find it immediately.
http://i.imgur.com/kYVLN9O.jpghttp://i.imgur.com/LsWcLL0.jpghttp://i.imgur.com/1LJLKAZ.jpg
I guess that someone that need to recover old 7 track tapes might think it
can be useful.
It is located in Sweden.
/Mattis
I have the following for sale from zip 61853. The "L" boards are up to 2
for $10 shipping within USA, 3 for $10 shipping for the "M" boards.
For larger quantity, overseas shipments, or other question, please contact
me off list.
Quantities are limited, and I may have some third party memory i'll look
for this weekend.
L4000-AA ,KA670 I think, $100
L4001-Bx MS670 32MB $125
L4001-Cx MS670 64MB $200
L4004-Cx MS690 64MB $125
L4004-Dx MS670 128MB $225
M7606 KA630 $75
M7620 KA650 $100
M8637 MSV11 starting at $75
I still have a few RX8-E boards left...
Thanks, Paul
Before I chuck these in the recycle bin, does anyone want a copies of
DIGITAL ServerWORKS Manager?
I have two boxes, QB-4QYAA-SA 3.2 sealed in shrink wrap, and
QB-4QYAA-SA 3.3 open box that is slightly crushed.
The boxes (at least the still sealed one) look like this eBay item
(not mine) listing:
http://www.ebay.com/itm/321413114710
The DIGITAL ServerWORKS? Manager Installation and User Guide in the
QB-4QYAA-SA 3.3 open box is the ER-4QXAA-UA. G01 version of the
ER-4QXAA-UA. H01 manual here:
http://manx.classiccmp.org/collections/mds-199909/cd2/network/4qxaauah.pdf
It doesn't look like there is a market for these worth the bother of
listing them on eBay. Free for the cost of covering postage from
Seattle, WA if anyone wants them.
-Glen