Mame Neogeo Bios Link

Place neogeo.zip in the same directory as your game ROMs (usually the roms folder in your MAME directory).

Files like the popular Universe BIOS (UniBIOS) , which unlocks cheats, region-switching, and developer modes. How to Set Up the NeoGeo BIOS in MAME mame neogeo bios

Understanding MAME Neo Geo BIOS: The Ultimate Setup and Troubleshooting Guide Place neogeo