Leo learned that BIOS files are . Companies like Sony or Nintendo own the code. Distributing them is technically illegal.

Double-check if your specific emulator requires a subfolder. For instance, putting Sega CD BIOS files in a folder named megacd inside the BIOS folder is a common requirement depending on the core version. Conclusion

Below is the definitive list. A "good" EmuELEC BIOS pack should contain most or all of these.

Use scph5501.bin (USA) for most games. Do NOT use scph1001.bin (original Japan BIOS) – it has less accurate CDDA audio timing.

Internal fonts and system files found inside a folder named PPSSPP .

For the purist (and legal) approach:

: bios_CD_U.bin , bios_CD_E.bin , and bios_CD_J.bin : dc_boot.bin and dc_flash.bin (placed in a dc subfolder).

Linux-based systems like EmuELEC are case-sensitive. Ensure your filenames are mostly lowercase (e.g., scph5501.bin instead of SCPH5501.BIN ) to avoid detection issues.

for a particular console like the PlayStation 2 or Sega Saturn? Retro Game BIOS Files - What are they? Where? Which ones?

Since they contain copyrighted material, you won't find them on official GitHub pages, but the community maintains them on several reputable archival sites: