PCB Information

ROM Chip ID Region Known Man. Dates PCB Type CIC SRAM Decoder/ Logic Circuit Special Chips
Prototype (front) (back) PAL 9151 SHVC-2P3B-01 D413A ? MC74F139N -
SPAL-MT-0 (front) PAL 9344 SHVC-1A0N-20 D413A - - -
SNS-MT-0 (front) USA 9237 SHVC-1A0N-02 D411A - - -

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