How to Enable BIOS on Picodrive

Written by andy carr
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How to Enable BIOS on Picodrive
Picodrive games need the BIOS files for the machine to work. (black video games controler or games pad image by Warren Millar from

To play games on the Sega Picodrive, the Basic Input/Output System (BIOS) must be enabled. If the BIOS files are not set up correctly, an error will be displayed stating that there are no BIOS files present. A common mistake is to place the files in the correct area and/or reboot the machine. Without these things, the Picodrive fails to operate.

Skill level:

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  1. 1

    Download and copy the required BIOS files from the Internet (see "Resources"). Insert the flash drive into the computer. This will show up as an additional drive. The Picodrive files need to be copied from the computer to the root area of the Picodrive.

    An example of the file structure on the Picodrive would be:

    "F:\ (On your machine it may be a different drive letter)."

    This may change periodically, but the files are usually named similar to the following convention for each country:

    "US: us_scd1_9212.bin us_scd2_9307.bin SegaCDBIOS9303.bin

    EU: eu_mcd1_9212.bin eu_mcd2_9304.bin eu_mcd2_9306.bin

    JP: jp_mcd1_9113.bin jp_mcd1_9112.bin"

    The files can be zipped for faster transfer if required. If you do zip them, ensure that you unzip them on the Picodrive.

  2. 2

    Re-insert the Picrodrive. The process of restarting the machine means that the BIOS configuration is reread into the machine at start-up, and it can then register the BIOS files enabling games to run.

  3. 3

    Play the game. If problems do occur, read the "troubleshooting" guide provided with the Picodrive, or look for the information from the Web.

Tips and warnings

  • If the game still does not load, it is possible that the bin files are corrupt or the CD from which the files are loaded is damaged. If this is the case, contact your support representative for a replacement CD or try to obtain the BIOS files from the Picodrive site or any other resource on the Internet.

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