BIOS Kits

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  1. Atari 5200 - 4 Port BIOS Chip (for 2 Port Consoles)

    Atari 5200 - 4 Port BIOS Chip (for 2 Port Consoles)

    $5.95

    Upgrade your 2-Port 5200 with this 4-Port BIOS for full game compatibility Learn More
  2. Atari Jaguar CD Encryption Bypass BIOS Kit

    Atari Jaguar CD Encryption Bypass BIOS Kit

    $6.95

    Atari Jaguar CD Encryption Bypass BIOS Kit. Comes with BIOS chip and socket. Learn More
  3. Colecovision No Delay BIOS Chip & Socket Kit (NTSC)

    Colecovision No Delay BIOS Chip & Socket Kit (NTSC)

    $6.95

    Colecovision No-Delay BIOS kit. Comes with BIOS chip and socket. Learn More
  4. Sega Master System - Bock's SMS Boot Loader BIOS Kit

    Sega Master System - Bock's SMS Boot Loader BIOS Kit

    $6.95

    Bock's SMS Boot Loader 28-pin BIOS and socket. Learn More
  5. Sega Master System: Bocks SMS Boot Loader BIOS Kit (for 6067 and 6405)

    Sega Master System: Bocks SMS Boot Loader BIOS Kit (for 6067 and 6405)

    $6.95

    Bock's SMS Boot Loader 28-pin BIOS and socket for 837-6067 and 837-6405 revision SMS

    Learn More

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