NES-TKEPROM (Prototype)

The following is an MMC3 development board for the NES. It's a prototype of the NES-TKEPROM-01 and was likely only ever used internally at Nintendo. There is no text silkscreening on the PCB.

Property "Has photo link" (as page type) with input value "https://files.hiddenpalace.org/b/b2/NES-TKEPROM_%28Prototype%29-photo.png" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
NES-TKEPROM (Prototype)
ID NES-TKEPROM (Prototype) Type EPROM cartridge System NES