a 32kb flashcard for nintendo gamer boy , rom only type , ideal for small homebrew ( no mapper , no save feature : ROM ONLY type )

you can flash it with gbxcart rw from insidegadget

need a 100uf capacitor 1206 smd

somes chips are compatibles with the pcb :

AT49F040:

AT49F001T:

SST39SF010A:

SST39SF020A:

SST39SF040:

SST39SF010A:

SST39SF020A:

SST39SF040:

SST39LF010:

SST39VF010:

all in plcc32 form factor

i personally use sst39sf040

you can too put a socket , for easily swap the chip , if socket version you can program it with eeprom programmer

if put socket order board at 0.8mm thickness enig

it without socket order board at 1mm thickness enig

with socket its very close in a game shell , but it fit and work