Most emulators require specific versions of these files to function correctly. The "World" BIOS and "USA" flash files are generally the most compatible for the majority of game libraries. Batocera.linux - Wiki Common MD5 Checksum dc_boot.bin System BIOS (World) e10c53c2f8b90bab96ead2d368858623 dc_flash.bin Config/Flash (USA) 0a93f7940c455905bea6e392dfde92a4 Setup and Directory Structure
Put both files in the emulator’s data/ folder (e.g., Flycast/data/ ) or in the system directory specified by your emulator. Some emulators also accept a dc/ folder. dreamcast bios files -dc-boot.bin and dc-flash.bin-
When sourcing these BIOS files, you will find multiple versions: Most emulators require specific versions of these files