Kb 5150 Schematic Diagram Top Updated ❲Web❳

Elias found the unit in a basement in Berlin—an original 1981 IBM 5150, pristine except for a hand-etched serial number on the side:

: The schematic includes additional circuitry for Status LEDs on the Numerical Lock and Capitals Lock keys, which were not present on the original IBM Model F. PCB and Material Specifications kb 5150 schematic diagram top