Try to format your card with your SMC writer, filssystem is fat 12 (or 16 don't remember), alos creat some directories: GAME, GPMM, MP3, GPETC and GPSYS , then try to copy a game (.fxe) in GPMM, and also install the free-lancher, then you should be abble to play )) , if not try with another SMC...