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Central Data - 64K RAM Board
This was a nice clean well laid out S-100 64K Dynamic RAM board.

 64K DRAM   

The board came out around 1979.  It utilized 4116-25 Dynamic RAM chips and would work with a 8080, 2650 or Z80 CPU, the latter up to at least 4MHz.  There was jumper capability to inactivate a section of the 64K adderss space but no 24 bit addressing.

The manual for this board may be obtained here


Other Central Data S-100 Boards
64K RAM 


This page was last modified on 10/25/2013