PCB Information

ROM Chip ID Region Known Man. Dates PCB Type CIC SRAM Decoder/ Logic Circuit Special Chips
SPAL-AF2P-0 (front) PAL 9612 SHVC-1J3M-20 D413B 64k MAD-1 -
Prototype (front) USA - SHVC-8PV5B-01 D411A 16,64 or 256k 74LS157N (?) -
SNS-AF2E-0 (front) USA 9544 SHVC-1J3M-20 D411B 64k MAD-1 -
SNS-AF2E-0 (front) USA 9632 SHVC-1J3M-20 D411B 64k MAD-1A -

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