In a message dated 08/12/1999 2:15:52 AM Eastern Daylight Time,
mikeford(a)netwiz.net writes:
> It isn't that they are hard to find, they are just expensive ala $25 each.
I'm not sure what area of the world you live in, but in central florida US$25
for a 16 mb 30-pin simm is a _real_ bargain.
Glen Goodwin
0/0
On my last trip to Costco, I noted that their 64MB dimm's were $40. How
does that compare with where you are?
Dick
-----Original Message-----
From: Mike Ford <mikeford(a)netwiz.net>
To: Discussion re-collecting of classic computers
<classiccmp(a)u.washington.edu>
Date: Saturday, August 14, 1999 12:37 AM
Subject: RE: 30 pin simms
>>I will check to see if Best Buy has anymore 16 meg simms, since $25 is
good
>>price ?? Up north they almost give them away.
>
>I attended the bankruptcy auction of MGC (something like that) the big
>memory supplier to Best Buy and Costco. Two items stand out, one office had
>three large boxes of filled out rebate forms, and a fax machine had a sheet
>in it with a nice personal greeting from somone at Best Buy and query on
>the status of a RMA for a couple lots of 700 simms. Yipes, glad I don't
>have those.
>
>BTW I bet those Best Buy simms are 72 pin, not 30 pin.
>
>
Somebody on this list one told me that he was interested in
genuine DEC modems. I spotted these two at a wrecking yard
today:
DF-112AA (1200 baud, I think)
DF-03 (300 baud, I'm sure)
If these old modems are of interest, I'm sure I can pick
them up cheaply.
Respond via private e-mail.
Jeff
___________________________________________________________________
Get the Internet just the way you want it.
Free software, free e-mail, and free Internet access for a month!
Try Juno Web: http://dl.www.juno.com/dynoget/tagj.
On Aug 13, 18:38, Eric Smith wrote:
> Subject: Re: field maintenance print sets
> Jim wrote:
> > "no hex Q-bus boards" - Really? Then the PDP-8/a CPU, and RL02
> > controller (for the 8/a) boards I have here must be REAL oddballs, no?
> > (each are hex wide boards)
>
> If your PDP-8/a CPU and RL8-A are Q-bus boards, then yes, they are
> >*REAL*< oddballs. All of my 8/e and 8/a gear uses Omnibus.
Poor Jim's had so much flak for that, that I couldn't possibly comment,
except to say that, for once, I actually thought about the words before I
hit "send" :-)
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Today I managed to sve a Modcomp Classic minicomputer from a fate worse
than death.
It is a tall (5ft) dual width cabinet, one housing the CPU the other a
mag tape drive. It was used as a dat comm concentrator.
Don't know anything about these machines. Has anyone any info?
I'll try and put up some pictures this weekend.
Regards
_---_--__-_-_----__-_----_-__-__-_-___--_-__--___-__----__--_--__-___-
Hans B Pufal Comprehensive Computer Catalogue
<mailto:hansp@digiweb.com> <http://digiweb.com/~hansp/ccc>
On Aug 12, 14:00, Chuck McManis wrote:
> PDP-11 boards come in two flavors Unibus and Q-bus the are either 2 high,
> four high, or six high. Generally only Unibus and PDP-8/a boards are 6
> high. (I don't think they ever made a Q22/CD/EF backplane.)
They did make one -- DDV11-B hex wide 9 slot. However, the E/F section
isn't bussed, only having +5/+12V/0V connections (ABCD are normal Q-Bus).
It's meant for third-party development, and there are no hex Q-bus boards.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
I also have several quad wide Qbus cards with plastic handles. Be carefull
many even look the same at a glance. I have several Emulex UC08's (Quad
wide Qbus with 2 SCSI ports) and a UC18 (Quad wide Unibus with 2 SCSI ports)
and they look VERY similiar at a glance. Both have only plastic handles.
The Mentec M90 CPU has plastic handles and the M100 has metal rail /
ejectors.
Dan
>>
>> > The easy way to tell a quad pdp11 board from a quad pdp8 board is to
look at
>> > the top and see if it's got metal ejector handles or plastic "flip
chip" style
>> > handles. pdp11 boards have a metal spine and metal ejector handles,
pdp8
>> > boards have the plastic handles.
>>
>> This isn't the case. There are several quad height Unibus/pdp-11 cards
>> that have plastic handles! Check the field guide or ask on the list!
>
>For quad and hex cards :
>
>The general-ish rule is that boards that fill the full width of the
>standard (for them) cardcage have metal handles, those that don't have
>plastic handles.
>
>So Hex height unibus cards have metal handles. Quad height unibus cards
>have plastic handles (because they don't fill a hex height slot), but
>quad height Q-bus cards have metal handles (becuase Q-bus backplanes are
>normally quad height.
>
>PDP8 Omnimbus quad cards have plastic handles. I guess that's becuase
>they originally didn't go into guides/a cardcage so the metal ejector
>handles aren't any use.
>
>-tony
Hi,
A friend of mine has a core memory board set from a Varian computer he is
contemplating selling. He believes it is complete except for the power
supplies.
The boards read:
MEMORY KIT 01A0015-F&P S/N 000x
INTERCHANGEASBLE: YES ( ) NO (X) POS ( )
(the core has S/N 0001)
It is a total of three single boards (approx 8x12) and the core memory
boards (8x12x3) with the memory sandwiched in the middle.
Anyone trying to restore a Varian and need memory?
Let me know,
clint
>"no hex Q-bus boards" - Really? Then the PDP-8/a CPU, and RL02
>controller (for the 8/a) boards I have here must be REAL oddballs, no?
>(each are hex wide boards)
Seeing as how they're not Q-bus but Omnibus boards, they're perfectly
normal.
--
Tim Shoppa Email: shoppa(a)trailing-edge.com
Trailing Edge Technology WWW: http://www.trailing-edge.com/
7328 Bradley Blvd Voice: 301-767-5917
Bethesda, MD, USA 20817 Fax: 301-767-5927
