A "BIOS pack" is a community-curated archive containing the necessary BIOS files for multiple systems, often named according to the specific hash values required by RetroArch.
| Core Name | System | Required BIOS File(s) | Typical MD5 Checksum | |-----------|--------|----------------------|----------------------| | Beetle PSX | PlayStation | scph5500.bin , scph5501.bin , scph5502.bin | 8dd7... (varies) | | Genesis Plus GX | Sega CD | bios_CD_U.bin , bios_CD_E.bin , bios_CD_J.bin | e66fa... | | PCE Fast | PC Engine CD | syscard3.pce | 381f... | | NeoCD | Neo Geo CD | neocd.bin , neocd_f.bin , neocd_z.bin | df66... | retroarch bios pack
A (Basic Input/Output System) is essentially the "soul" of a game console. It is the original firmware or operating system that real hardware uses to boot up, check for controllers, and tell the console how to read a game disc. A "BIOS pack" is a community-curated archive containing