Mysterious S100 SRAM card

[Mike Loewen]

On Fri, 24 Jul 2015, Brent Hilpert wrote:

> On 2015-Jul-24, at 9:02 AM, Bob Rosenbloom wrote:
>> On 7/24/2015 2:16 AM, dave at 661.org wrote:
>>> On Fri, 24 Jul 2015, dave at 661.org 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/
>>>
>>>
>> It looks very close to a California Computer Systems board, possibly a different rev.
>>
>> http://www.s100computers.com/Hardware%20Folder/CCS/16K%20RAM/16K%20RAM.htm
>
>
> It's closer to the JTM 16K Static RAM, which must somehow have been related to CCS.
>
> 	http://maben.homeip.net/static/S100/JTM/

    If you take a look at the manual for the CCS board on the 
s100computers.com site, you'll find a Revision B diagram that appears to 
be an exact match (page 39):

http://www.s100computers.com/Hardware%20Manuals/CCS/California%20Computer%20Systems%202016B%20RAM%20Manual.pdf


Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology				http://q7.neurotica.com/Oldtech/