Core memory trade?

From: Joe <rigdonj_at_intellistar.net>
Date: Thu Jan 29 15:36:47 1998

Gary,

  A S-100 core memory! I've never heard of one before. Wish I had a 16K
unit to swap. I'd love to have your's for my Altair.

  Joe

At 11:34 AM 1/29/98 -0800, you wrote:
>I'm looking to acquire a core stack (operable - not just to look at)
>for a construction project (don't ask - if it works I'll report to
>the list later!) By way of trade, I have a genuine S-100 8K core
>memory (I forget the manufacturer - the only one made for the S-100
>as I recall, though.) If there are interested parties, I'll look it
>up and tell you the maker and serial number.
>
>I'd like to trade it for at least a 16K word by 16 bit stack or
>plane assembly - just the core - I do not need the electronics.
>The core needs to be around a 1 uS (20 to 30 mil?) variety and
>also needs to be 3d (X-Y + sense + inhibit) or four-wire
>design. I prefer a "stack" or "cube" design, but a planar
>layout is ok, too.
>
>For information, the S-100 core is planar and some of the smallest
>and fastest core I've seen. It is mounted on a single (fairly
>thick) S-100 card, with electronics and I believe it to be in working
>order. (I actually *used* one of these types of cards many years
>ago on a building HVAC management system that needed "nonvolatility"
>but the ability to read/write while operating.) It ran without hitch
>on a 4 mhz Z80 Cromemco system. The unit I'm offering to trade came
>from a surplus electronics place and I have not (yet) tried it to see
>if it works. It was lovingly packed in bubble wrap, so I assume the
>original seller thought better than to just toss into the "heap."
>
>Please reply by private email.
>
>Thanks.
>
>
>
Received on Thu Jan 29 1998 - 15:36:47 GMT