Is anyone here interested in a DEC VR319 for free to pickup or postage ?
Otherwise it'll go into the dumpster.
Stefan.
-------------------------------------------------------
http://www.oldcomputercollection.com
Ok, so I have a working processor, and a basement full of peripherals. I'm
not sure which way to go with the rest of the build. I'm not really up on
DEC stuff I admit, so maybe others here can offer me some advice as to what
is the best way to proceed.
Background:
My 11/45 (11/45-CA actually) has the KB11-A processor, no FP. It's the older
style with the power distribution board on the back wall of the cpu cabinet
rather than on top. However, it's also got the newer 861A power control in
the bottom rather than the dual 860's in the top. There is the two H742A's
as well. I have one system unit installed - MF-11L in which is installed 8K
of core. In the cpu backplane there are three unibus slots which I believe
will take three quad? (C-F) boards. A&B in two of those slots are used for
the unibus A to unibus B jumper, and A&B of the last slot is the connector
to A&B of the MF-11L. The MF-11L has a 9312 in the last A&B slot. The SPC?
boards currently installed are two DL11's and a M7228. The ONLY board in
slot one is a 930C terminator in A&B. I have no MMU, so slot 13 is empty and
slot 14 has the M8116.
Separately, I have a lot of peripherals to choose from. Scads of RL02's,
DSD440, LincTape II, RX01's, RX02's, RA81's, etc. I also have a BA11-KU with
a DD11-DK backplane in it.
Problem:
The unibus space on the cpu backplane is quite limited. At the VERY least I
have to keep one of the DL11's there, so that leaves me with two more unibus
slots for peripherals. I *THINK* that that standard controller for an RX02
or RL02 takes all 6 rows (Hex cards?). However, the DSD440 controller only
takes slots C-F (quad?). The linctape II controller also only takes C-F. So,
I think I could have a reasonable system by putting the DSD440 controller,
LincTape controller, and a DL11 and be done with it. However, I then am
limited to using core memory in the MF11. At the very best, I can get...
what... 32K in a MF11? I think I can get the additional core boards. But
correct me if I'm wrong but isn't sticking with core (max 32K) going to make
my operating system choices extremely limited? I'm guessing I can't run RSTS
or Unix on it with that kinda memory. vtserver I think requires a full load
of 128KW. On top of it all, the DSD440 takes most of the rack depth, as does
an RL02, so I've been advised against mounting anything above the /45 except
maybe the linctape.
Possible solutions:
1) I just got a M7891 (64KW) off Ebay. I could yank out the MF-11L system
unit, yank out the DD11-DK from the spare BA11, and install the DD11 in the
cpu cabinet. I'd use the unibus memory M7891, ditch the core, and have a
fair number of slots left over in the DD11. However, there's problems with
this approach. I'd still be mounting stuff above the /45 (DSD440 & Linctape
at the least), and maybe an RL02. In other words, this would fix the memory
and unibus slot availability, but I believe I'd still be restricting the
airflow/cooling too much :\ Plus I'd need to find some of those rare Mate &
Lock connectors to get the DD11 into the /45 cabinet and do some power
harness building. I guess I might need one or more regulators for this
approach as well. Then I'd have to find/buy a KT11-C to USE the M7891 I
think.... I'm probably talking about unobtanium stuff aren't I :|
2) Take another H960 rack, bolt it to the 11/45 rack, and install the entire
extra BA11 in there. Now it's a dual bay system, but I could use core still
if I wanted, and I think also use the M7891 in the BA11. Then I'd have room
in the 2nd rack for the peripherals. However, I'd really like to keep this
in a single bay rack :\
I'm sure there's other solutions. Can someone advise me on what is likely to
be the best route to go? I don't want this to be a really huge /45 setup.
I'd like to run RT11 v5 with TSX+ on it. Temporarily, I'd also like to try
loading up RSTS and some form of Unix. Thoughts anyone?
Jay West
>
> Message: 9
> Date: Thu, 7 Jul 2005 09:03:05 -0700 (PDT)
> From: Vintage Computer Festival <vcf at siconic.com>
> Subject: Programming Language Inventor or Serial Killer?
> To: Classic Computers Mailing List <cctalk at classiccmp.org>
> Message-ID: <Pine.LNX.4.33.0507070902470.26539-100000 at siconic.com>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
> http://www.malevole.com/mv/misc/killerquiz/
>
> --
>
> Sellam Ismail Vintage Computer
> Festival
>
> ------------------------------
>
> Message: 10
> Date: Thu, 7 Jul 2005 09:15:02 -0700 (PDT)
> From: Cameron Kaiser <spectre at floodgap.com>
> Subject: Re: Programming Language Inventor or Serial Killer?
> To: cctalk at classiccmp.org
> Message-ID: <200507071615.JAA16098 at floodgap.com>
> Content-Type: text/plain; charset=US-ASCII
>
> > http://www.malevole.com/mv/misc/killerquiz/
>
> w00t, I got 7/10! Ha ha! I will slaughter you all, I mean, I did
> well.
>
>
LOL I got 9/10. I though that John W. Mauchly was a serial killer...
______________________________________________
Renovamos el Correo Yahoo!
Nuevos servicios, m?s seguridad
http://correo.yahoo.es
Just off-hand, does anyone in London know what's at 75 Tottenham Court
Road? I'm playing with one of those silly little cashier's check
scammers and that's the address he gave me. He's sending his "check" to
the White House. Heheh :)
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
I came across a large pile of Micropolis 1558 ESDI drives today. No clue
what the owner wants for them. I was wondering if these might be compatible
with an 11/23's RQDX3 controller?
Jay
This is a shot in the dark, but I figure here is a good place to start.
In the 1983-1985 time frame, my father had an accounting firm in
Argentina, Buenos Aires. He had bought an Osborne 1 and got it hooked
up to an old black and white tv that had been converted to monitor
usage, and used it for processing invoices. I learned how to play
with CP/M and some Basic programming in the evenings when I was 10-12
years old with that Osborne.
After a while, he acquired a second computer to offload some of the
printing tasks (no printer buffer back then, which would cause the
computer to wait a long time while printing hundreds of invoices- he
did get a printer buffer at some point to speed things up). I played
with this other computer for a bit; 12" green screen, and I recall it
being called a Latindata. I am sure the Osborne 1 programs did not
run on it, but *I believe* it ran some version of CP/M. I remember
modifying a config file for a game called 'Viborita' [little snake in
spanish] and changing the sprite characters for the items in the game.
Viborita is your typical snake eating asterisk objects while steering
the snake around without eating itself or hitting a wall.
Has anyone heard of the Latindata brand and have any history on
it/them? I'm curious to find out a bit more of them.
Old-computers.com doesn't seem to have any entries on it.
Kind regards,
Louis
--
Louis Florit
AIM: lflorit MSN:louis_florit at hotmail.com Y!: indygolunaria
I realize that it's a couple years shy of the 10-year rule, but I figure
that the "coolness" factor of the machine makes up for it.
So, I moved my new Gen 5 S/390 into my garage (and my non-working Gen3
out...long story) last night.
Pics and details of the find:
http://www.computer-refuge.org/compcollect/ibm/s390/
All I can say it "w00t"! :)
Pat
--
Purdue University Research Computing --- http://www.rcac.purdue.edu/
The Computer Refuge --- http://computer-refuge.org
In the process of getting Dave Dunfield a door button for
his Seimens 8 incher, I went through my whole stack of 8
inch drives and parts. I "found" a couple of SA-851s that,
while the serial number plate says they are 115 volt, 60 Hz,
are in fact built with the 50Hz drive pulley. You can put
them next to a "normal" SA-851 and see that the pulley is a
different size and I just confirmed it by putting a diskette
in one, powering it up, putting a scope on the index signal
and seeing that (on 60 Hz power) it is turning at 432 RPM a
20 percent increase over the 360 rpm it should be turning at.
Other than that little problem, the drives seem to mostly
function, that is, they seek, report track zero, etc. They
appear to have seen very little use (probably because they
don't fully work). Anyway, they weigh a ton (like most 8
inch drives) but is there anyone within reasonable shipping
charges of Washington, DC that could use them and would want
to work out a trade? Alternatively, it just occurred to me
that maybe I could just exchange pulley wheels with someone?
Bill S.
