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S.C. Digital -- 16K Dynamic RAM Board
S.C Digital came out with this board around January 1979. It was their first S-100 board.

S.C. Digital 16K RAM Board

The board utilized the TMS 4044-Fully Static 4Kx1 memory chips for reliability and DMA capability. The board could be addressed in two 8K blocks, of 4K increments. There was write protection in 8K blocks and memory disable using Phantom (pin #67) or strappable to any other pin. The board had built in Wait States (selectable 0 to 3). There also was a Bank Select feature. Selection using port 40H (Cromemco software compatible) addressable to 512 KB. It also has an alternate port, 80H, allowing addressable to over 1 million bytes.

I do not have a manual for this board. If you have one please let me know.


Other S.C Digital   S-100 Boards
80286 CPU Board    256K RAM    1MG RAM   32K RAM     16K RAM     Z80 CPU Board


This page was last modified on 06/26/2015