Q-bus cards available.

From: Joe <rigdonj_at_intellistar.net>
Date: Tue Oct 31 14:46:41 2000

   Jeff wrote.
>
>
>On Tue, 31 Oct 2000 11:53:32 EST Mzthompson_at_aol.com writes:
>> ----------------------------------------
>> 3) Sigma Information Systems
>>
>> This card appears to be a disk controller. It has 4 WDC TR1865PL
>> controller
>> chips on it and there are 4 ten pin header connectors on the card
>> edge.
>>
>> Numbers:
>> Assy 400200
>> CPX-6-0
>
>This is probably a serial I/O card; the TR1865's are UARTS . . . .


Jeff is probably right. Here's part of a message that I posted a month or
so ago about a 11/23 that I have. It also has a Sigma Information Systems
card in it and the card is connected the TT and LP0 ports. I didn't make a
list of the chips while I had the card out. Sorry.

   Joe

 to On September 22, Joe wrote:
> A couple of weeks ago I found a box in a scrap yard with a half height 8"
> floppy drive it in. The box was marked "Gen-Rad" and looked like part of a
> old piece of test equipment. I picked up the box just for the floppy drive
> and brought it home. Today I started to take it apart and found that it was
> made by Scientific Micro Systems and has a number of DEC cards in it as
> well as a Maxtor XT-1085 hard drive. My question is what is it and weather
> it's worth keeping or is it just good for parts?
>
> Here's the details; It's marked "Gen Rad 2295 Central Station" on the
> front. The back is marked "Scientific Micro Systems" "model MDX01170".
> It's about 9" w x 11" h x 17" deep. On the back it has eight DB-25m ports
> on the back. They're marked "TZ0" through "TZ3", "LP0" and "TT0" through
> "TT2". Inside it has a DEC M7957 quad board, a half size board made by
> Sigma Information Systems Inc (connected to the TT* and LP0 ports), a half
> size "Q RAM 11" board made by Clear Point (memory?), a DEC M 8186 half size
> card, and a half size SMS card (1002001-0001/0004220-0001) that is also
> connected via a jumper to the last card, a full quad size SMS card
> (1001939-0001/0003770-0001). The last card has ribbon cables that connect
> to the floppy and hard drive.
>
Received on Tue Oct 31 2000 - 14:46:41 GMT