RX-78 Cartridge Information

The RX-78 cartridges contain two TMM2764D EEProms, they are pin linked, except for the OE and CE pins.

The edge connector has 20 pins on the front (EEProms up) and 17 on the back

Pins are counted from the left

Front

Edge Pin1234567891011121314151617181920
EEProm Pin+5V+5V+5VA8A9A12A7A6A5A4A2A0O0O2O7O5CE (IC1)GNDGNDGND

Back

Edge Pin1234567891011121314151617
EEProm PinGNDGNDGNDCE (IC2)?OC (IC2)O4O6O3O2A0A3A10OE (IC1)NC+5V+5V

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