Someone called me to offer 2 19" full height racks. These are in minneapolis,
on the loading dock of Riverplace, in Saint Anthony Main. They were
asking to see if someone here atthe university would want them, but
I rather doubt that anyone does. Especially considering how cold it
is right now..
So, if you've been looking for a 19" rack to give as a Xmas present, and
you're in the area...
-Lawrence LeMay
Hi,
OK, so the MicroVAX is *still* not responding... I've at least ruled the
power supply and the terminal and the terminal cables out however. I put the
power supply from the functional VAXstation 3100 in the MicroVAX, hooked up
the Wyse 50 I use with the VAXstation along with its DECConnect cable to the
MicroVAX (BTW; I used the MicroVAX's manual to set up the VAXstation,
therefore the cable must be plugged in properly), and turned the critter
on... same results as before.. The console says "_~" and that is about it..
The manual talked about that possibly indicating a disk drive problem, but I
tried it both with and without hard disk.. no dice. Any further ideas? Also,
I'm going to be finally updating my website with *far* more
Interdata/Perkin-Elmer/Concurrent info than anyone could possibly want,
along with the same scope of Nova 1210 info, including the sheet on how to
modify an ASR-33 with the DGC teletype interface board.
Will J
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I can't imagine what's stopping you from reading the diskette, except that I
don't believe it helps you to have so many drive types present on the
CompatiCard. Having sold mine, I can't reproduce your results. However,
it's not a bad idea to read the first two tracks into memory if you can read
anything at all, then try to correlate it with a known-good image of the
BDOS and CCP. That will tell you about the sector skewing, etc. Some
vendors number the sectors sequentially yet read them out of numerical
sequence, in order to improve performance. Others write the sector numbers
in the optimal arrangement, which is not in sequence from 0. One other
gotcha is that some systems require that the first two tracks on the
bootable diskette be single density, yet the rest can be double density.
Yeah, I dont know what that was, but I got a mail from the same machine
only in response to the "Toshiba T3100e/40" question... it included
some DOS/Windows executable in attachment.. I'm running UNIX mail, so the
whole conflagaration didnt hurt me much, though :)
- Sean Caron (root(a)diablonet.net)
Well, there's a LSI-11 based PDP system (11/04, i think?) that served as the
front-end processor for the system... Nothing really strange about them,
besides that PDP sytems are really rather collectible in their own right.
- Sean Caron (root(a)diablonet.net)
I think the PDT-11 was some sort of LSI-11 based "intelligent terminal".. I
know someone else out there has one that they did a page on; you can find
it at http://www.ultranet.com/~cfriend/museum/machines/pdt-11150.html
-Sean Caron (root(a)diablonet.net)
On Dec 20, 11:17, Zane H. Healy wrote:
> Has anyone gotten a eMail message that appears to have come from the
> mailing list with the header "Re: Help identify a Control Data piece",
Yes, but I'm using a Unix box so it wouldn't have hurt. Anyway, it's my
habit to discard attachments wihout looking, unless I'm expecting something
(and I'm sure I'm not the only listmember who does; those who regularly
send 'multipart' message might think about that :-))
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
"As I am damn near dead and *very* sick... and my family and I had to load
the stuff ourselves(last 2 days)... I am not able to list contents yet but
.. "TU-56 units a-plenty". I will post pictures soon. I guess I don't have
to say a Christmas tree this year is simply out of the question now.....
"
As much as we love the preservation of old computers, the health of you
and your family is more important. This stuff has been around for decades,
take a break, enjoy the holidays, and get back to all of this when you're
feeling better.
--al
What is a PDT-11? I just got one new in the box with 7,000+ pounds of other
brand new (1965-1978) dec stuff.
It has two TU-60s and looks like a VT100.
As I am damn near dead and *very* sick... and my family and I had to load
the stuff ourselves(last 2 days)... I am not able to list contents yet but
.. "TU-56 units a-plenty". I will post pictures soon. I guess I don't have
to say a Christmas tree this year is simply out of the question now.....
[will be back online in a day or so when we get the trucks unloaded]
john
PDP-8 and other rare mini computers
http://www.pdp8.com
-----Original Message-----
From: Eric Smith <eric(a)brouhaha.com>
To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
Date: Sunday, December 19, 1999 4:19 PM
Subject: Re: DECNA / Transciever question
>Tony writes about the innards of 10-base-2 Ethernet transceivers:
>> The power supply comes from an isolated DC-DC
>> converter in the transceiver case which takes in 12V from the computer
>> and gives out -9V for the transceiver chip.
>
>I'm not sure about separate transceivers, but the ones integrated on
>NIC cards for PCs often used a little non-potted four-pin DC-DC converter
>module made by TDK. At a guess, it's about 20 mm by 10 mm. I've
successfully
>kludged them onto boards that were designed for the potted module style.
>
>Anyhow, I have a lifetime supply of NOS of these TDK converters, so I could
>sell some cheap or trade them for other small stuff.
>
>Eric
>
--- allisonp(a)world.std.com wrote:
> Well, I did say if no one else wants it...
>
> Allison
You did, but you also spoke up first (at least as far as I can tell). If
it's not a problem, I do want it.
-ethan
=====
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