Mysterious S100 SRAM card

Rick Bensene rickb at
Fri Jul 24 08:20:50 CDT 2015

> On Fri, 24 Jul 2015, David Griffith wrote:
> > Can someone identify this S100 SRAM card?  I can tell that it's a
> > SRAM board made up of MM2114 chips.  Virtual beer to the first
> > who guesses where I found it.
> Whoops!  How about if I show you the picture?

I'm pretty sure these are NorthStar RAM boards.   My NorthStar Horizon
has two virtually identical boards in it, except the two LEDs at the top
edge are rectangular encapsulated ones rather than the conventionally
packaged LEDs shown in your photo.

-Rick Bensene
The Old Calculator Museum

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