My recent pics:
https://imgur.com/a/KOOhJPx
I wasn't prepared to remove the back cover, next time.

On 6/24/2021 9:17 AM, Duane Craps via vcf-midatlantic wrote:
Here s a link to a manual on bitsavers:

bitsavers.trailing-edge.com/pdf/univac/military/an_uyk-20/N00039-73-C-0431_AN_UYK-20_Technical_Manual_Volume_1_Jan1974.pdf <http://bitsavers.trailing-edge.com/pdf/univac/military/an_uyk-20/N00039-73-C-0431_AN_UYK-20_Technical_Manual_Volume_1_Jan1974.pdf>


looks to be preliminary information; it has a lot of hand drawn figures

Memory description starts on page 3/49. paragraph 3-78

There was a control board and a data board for each group of 4 memory cards.

On 6/22/2021 12:15 PM, Douglas Crawford via vcf-midatlantic wrote:
Board is identified as 90536-7128081-00 G
Web hits on this are thin.
Anyone know what Univac machine this is from and its capacity?
I suppose count of the wires H x L  = # of bits of storage, and one side is the word size of the computer?
Confirmation?
https://i.ebayimg.com/images/g/kw4AAOSwwlBgujxR/s-l1600.jpg
Thanks,
DC