> The first one is interesting because it has a list on the right side that
>appears to be a list of memory locations and op codes. It's hard to see in
>the photo but the first column is labeled CNT. (count?). Most of the ICs
>are dated 1972. The only other markings on the card is "TERADYNE A 794" and
>"Made in USA".
Maybe from a Teradyne RAM tester? They had some big computer looking
machine that was for testing RAM, IIRC.
> The second one is a core memory board that I *think* may be for a Data
>General computer. I picked up several of these and they're all made by
>Dataram Corporation and appear to date from 1972. Their part number is
>3010290. I took the cover off of one. Man, the cores in these are tiny!
Hmmm, the Core Memory board I've got that _I_ think is for a Data General,
is square, that looks more rectangular. Well, I just pulled out my DG Nova
doc's, and the board would in fact be square, and there would only be two
card connectors.
Zane
| Zane H. Healy | UNIX Systems Adminstrator |
| healyzh_at_aracnet.com (primary) | Linux Enthusiast |
| healyzh_at_holonet.net (alternate) | Classic Computer Collector |
+----------------------------------+----------------------------+
| Empire of the Petal Throne and Traveller Role Playing, |
| and Zane's Computer Museum. |
|
http://www.aracnet.com/~healyzh/ |
Received on Thu Apr 29 1999 - 23:30:01 BST