Mame Bios ((top)) May 2026

| System | Required BIOS File(s) | Notes | |--------|----------------------|-------| | | neogeo.zip | Most common; required for all Neo Geo games | | Capcom CPS-1 | cps1.zip | Some games need Q-Sound BIOS | | Capcom CPS-2 | cps2.zip | Includes key security data | | Capcom CPS-3 | cps3.zip | Complex decryption required | | Nintendo PlayChoice-10 | playch10.zip | Includes dual-screen BIOS | | Sega System 16/18/32 | Various ( segabios.zip , etc.) | Varies by model | | SNK (earlier) | snk.zip | For pre-Neo Geo hardware | | Konami (some) | konamigx.zip , konicvs.zip | Specific models | | Irem (M72, M92) | irem*.zip | Required for sound/graphics init | | Namco System series | namco*.zip | Several variants | | Williams/Midway | williams.zip | For older Z80-based boards |

romset neogeo is good Check all BIOS files at once (slow): mame bios

Example folder layout:

mame gamename -bios biostag Find biostag in MAME’s -listxml output: | System | Required BIOS File(s) | Notes

Without the correct BIOS, many games will fail to start or show a black/error screen. 2. Which Arcade Systems Require a BIOS? Not all games need a BIOS. Common systems that do require one: Not all games need a BIOS