S.C Digital came out with this board around January 1979
.
It was their first S-100 board.
The board utilized the TMM 2016P Fully Static 4Kx8 memory chips for
reliability and DMA capability. The board had 16 or 24 bit addressing and an
8 or 16 bit wide data path. It could also utilize the (common at the
time) Cromemco bank select feature for a 32K memory block. EPROM's
could be inserted in sockets in place or RAM chips. Access time was fast,
250 nsec. for 4MHz Z80's or 8MHz 8086's without a wait state. There even was
provision for battery backup.I do not have a manual for this board. (With
all those switches looks like it will be needed). If you have one please let me
know.
