[vcf-midatlantic] Sperry Univac Core - Which computer and Capacity?
billdegnan at gmail.com
Wed Jun 23 18:32:26 UTC 2021
> >> https://i.ebayimg.com/images/g/kw4AAOSwwlBgujxR/s-l1600.jpg
> > Listed here as a 8K memory board for AN/UYK-20( page 15) :
> > UYK_20_20A_Technical_Summary_May91.pdf (trailing-edge.com)
> > <
> > I remember them as being 16 bits wide, so the core planes must be 8 deep.
> OK very cool now we got to the bottom of it! :)
> You are right- 1 higher part as connector P2 says "90536 ASSY 7128082"
> Which is a direct match to page 15: "Core Array 8k"
> That would be 8K of the word-size of the computer - which I read is 16
> Which comes full circle to Bill Deg ... claiming it was 16K... which I
> figure he was thinking bytes, and if so, correct!
> 1991 publication on that document, and the computer had a long run with
> the Navy of course.
> so no wonder the board artwork is hand routed but the board is populated
> with 79 - 82 date code ICs.
> Wikis put the development in the early 70s. Pretty neat pedigree for
> this board.
> So great to know what it was from.
> Thanks Duane! Excellent.
> If you would like to see the real thing without the covers I can bring
> it to the museum.
> I'd love to have you look at it, and we can check the geometry of the
> core planes to see
> if they are 8 deep as you suggest.
Boards like this from various manufacturers are on the walls at Kennett
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