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Friday, August 13, 2021
CONTINUITY: Wire-Wrapped Prototype of the Original IBM Personal Computer Motherboard
here's the wire-wrapped prototype of the original IBM PC (5150) motherboard! pic.twitter.com/l1BEUM1hjl
— Tube Time (@TubeTimeUS) November 30, 2020
Note also the bypass capacitors soldered to the power and ground pins to the socketed ICs on the front of the board.
The IBM Personal Computer was announced forty years ago, on August 12th, 1981.
Posted at August 13, 2021 11:47