NES-SKEPROM

SKEPROM Board

Tech Specs:

Prototype MMC1 board.
Max. 256K PRG ROM.
Max. 128K CHR ROM.
8K of WRAM, battery backable.

Description:

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 cart)