Lemuroid Bios Files Now

Unlike game ROMs, you should not compress BIOS files. They must remain as raw .bin files or a .zip (only for Neo Geo). Compressing a PS1 BIOS into .7z or .rar will make it invisible to Lemuroid.

Many users install Lemuroid specifically for PS1 games. Without a BIOS, some games might boot but will suffer from: lemuroid bios files

Always use a PS1 BIOS for the best experience. Unlike game ROMs, you should not compress BIOS files

For RetroAchievements:

For developers, you can run adb logcat while launching a game. Successful BIOS loading will show lines like: Always use a PS1 BIOS for the best experience

[INFO] [libretro] Found BIOS: scph5501.bin