I found a 1801A CPU! This is the predecessor to the
COSMAC 1802. I never
Half cpu... The 1800/1801 were a pair that implemented alost an 1802.
computer. The NS computer uses MultiBus cards and has
an Intel 80/20 CPU
card with a 8080 CPU. It also has Analog Devices card with several D-A and
A-D devices on it. I've never heard of a National Semiconductor computer
before. Does anyone know anything about them? Mike also got a Motorola
National did the BLC80xx series if memory serves, decent intel compatable
multibus. Slightly surprized to see a ISBC80/20 cpu as they nominally had
National cards. I think I have the manual for the BLC80204 8080 card that
was the national equivelent of the ISBC8020.
Allison