The following is an MMC1 development board for the NES. It allows for up to two PRG EPROMs and one CHR RAM, as well as SRAM.

Photo
NES-SNWEPROM-01
ID NES-SNWEPROM-01
Type EPROM cartridge
Date 1987
Text ©1987 Nintendo, NES-SNWEPROM-01
System NES

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