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Processor Technology - 4K RAM
This was the board that launched the company.

Processor Technology 4K RAM    

Clearly traces were hand drawn. There was excellent grounding for a very reliable board.  No bells or whistles the board could be addressed on any 4K boundary.
The manual for this board can be obtained here


Other Processor Technology S-100 Boards
4K RAM   8K RAM   48K RAM    16K Dynamic RAM    1702 EPROM     3P+S    CUTS    GPM   VDM-1   Helios-II FDC


This page was last modified on 10/25/2013