24 Jul
2015
24 Jul
'15
7:25 a.m.
With all the switches, it looks like it has bank switching.
Dwight
Subject: RE: Mysterious S100 SRAM card
Date: Fri, 24 Jul 2015 06:20:50 -0700
From: rickb at bensene.com
To: cctalk at classiccmp.org
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
http://oldcalculatormuseum.com
On Fri, 24 Jul 2015, David Griffith wrote:
> Can someone identify this S100 SRAM card? I can tell that it's a
16K
> SRAM board made up of MM2114 chips. Virtual
beer to the first
person
who
guesses where I found it.
Whoops! How about if I show you the picture?
https://www.flickr.com/photos/32548582 at N02/19969394361/