Proper installation is the most common hurdle for new users. Follow these steps to ensure MAME can "see" your BIOS: How To Get NeoGeo Working On Retropie
| Filename | CRC32 | Description | |----------|-------|-------------| | vs-bios.rom | F0E8F27D | Standard MVS BIOS | | asia-s3.rom | 91B64BE3 | Asia region | | japan-j3.rom | D4F6C4CC | Japan region | | usa-m5.rom | B8C97A2A | USA region | | sp-s3.sp1 | 91B64BE3 | Common system ROM | | sp-j2.sp1 | AC5C991C | Japan alternate | | sp1-u2.bin | 5A2B87FC | USA alternate | | sfix.sfix | C2EA0CFD | Fix layer graphics data (required) | | sm1.sm1 | 94416D3A | Sound CPU BIOS (Z80) | | 000-lo.lo | 5A86CFF5 | Bootloader / logo data | mame neogeo bios