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Bios-cd-u.bin Bios-cd-e.bin Bios-cd-j.bin

These filenames refer to the firmware (BIOS) files required to emulate the

bios-cd-e.bin (Europe)

Beyond just "making the game work," these BIOS files preserve the boot-up ritual bios-cd-u.bin bios-cd-e.bin bios-cd-j.bin

bios-cd-u.bin bios-cd-e.bin bios-cd-j.bin essential system firmware (BIOS) files required to run (or Mega-CD) games on various emulators and mini consoles These filenames refer to the firmware (BIOS) files

for these files in a particular emulator like RetroArch or Lemuroid? Region: "E" stands for Europe