Instead, use the official Batocera BIOS Checker tool to identify exactly what you need, then dump your own BIOS files from original hardware using tools like PSXdump , PCSX2 BIOS Dumper , or Saturn BIOS Dumper . This ensures legality, security, and perfect compatibility.
Batocera’s EmulationStation will show a green checkmark next to BIOS status in the system information screen. batocera bios pack
A "pack" simplifies this by bundling hundreds of these individual files into a single download, typically organized into folders that match Batocera’s file structure. How to Install a BIOS Pack in Batocera Instead, use the official Batocera BIOS Checker tool