- i using PFBA 1.57, just install it as normal, not copy anything yet
- download "Aladdin (USA).md" from Emuparadise
- compress it as "aladdin.zip" and put it in folder "ux0:/data/pfba/megadriv"
- edit config.cfg to correct folder param
- open PFBA -> set filter as "SEGA MEGADR" and it recognize...