Batocera requires specific BIOS files to emulate many systems correctly. While the official Batocera distribution does not include these files for legal reasons, you can find complete "full bios" packs through community resources. Where to Find Full BIOS Packs
However, Batocera cannot work miracles out of the box. While it includes open-source emulators (like RetroArch, PCSX2, and Dolphin), it does not include proprietary firmware or copyrighted system files. Those are the BIOS files. full bios batocera link
BIOS files are copyrighted intellectual property owned by companies like Sony, Nintendo, Sega, and Microsoft. Distributing them in a single package is illegal in most jurisdictions. Therefore, no official Batocera download ever includes these files. Batocera requires specific BIOS files to emulate many
Not every console needs a BIOS. Cartridge-based systems (NES, SNES, Sega Genesis) usually don't. However, you will need a "full BIOS set" for: Distributing them in a single package is illegal