Prototype MMC1 board.
Max. 256K PRG ROM.
Max. 128K CHR ROM.
8K of WRAM, battery backable.
Prototype MMC1 board. This board is interesting because it has spots for 4 different
lockout chips, and it has pads to select any address for the lockout chips. This example
board was kinda cut up and most of the functionality wasn't used. (From a Tecmo Bowl proto