Strange qbus board
roeapeterson at gmail.com
Fri Dec 5 14:36:37 CST 2014
I received a qbus board with a small pdp11/23 system recently, and I can't find any info about it with my best googling.
It's made by data systems design, copyright 1980, appears to be model 804120-01. Dual-width qbus board, with a 34-pin ribbon cable connector on the top board edge, maybe floppy controller?
The only real non-ttl non-rom chip is a AM2901BPC. This seems to be a four-bit bit slice micro...
Anyone ever seen this beastie?
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