Object an S-100 circuit board with hand-applied wiring changes on solder side. "(c) 1977 by Processor Technology Corp." printed and etched on component side. Component side bears several socketed ICs, several empty IC sockets, a large transistor on a heat sink, and a set of DIP switches.
Date
1977
Manufacturer
Processor Technology Corporation
Place Manufactured
Unknown
Identifying Numbers
Model number
ASSY. NO. 210000
On front
Other number
GPM PC210001
On front
Other number
PC210001 REV C
Etched on back
Other number
PCA 18-7
Etched on back
Dimensions
overall: 3/4 in x 10 in x 4 3/4 in; 1/2 x 10 x 4 1/2 in.