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: ri...@bensene.com > To: cctalk@classiccmp.org > > > 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@N02/19969394361/ > > 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 > > >