Mame Neogeo - Bios

Alternatively, you can specify the BIOS via command line: mame gamename -bios uni-bios

Add uni-bios_4_0.rom (CRC B23DBA37 for v4.0) to neogeo.zip . MAME >= 0.242 supports it natively. mame neogeo bios

Starting with version 0.202, MAME updated its requirements to include the US MVS (U4) BIOS ( sp1-u4.bin ) . If your neogeo.zip is older, your games may fail an "audit" and refuse to launch. How to Install the Neo Geo BIOS in MAME Alternatively, you can specify the BIOS via command