Latest version of Multi BIOS (2020) from mathieulh. Region selectable via DIP switch on your motherboard. Available for Naomi 1 or Naomi 2. Choose the desired version from the drop down. For installation just replace the BIOS chip with the one supplied on your main board. By changing the DIP switches you can change the region of your system: DSW2 DSW3 REGION OFF OFF Japan ON OFF USA OFF ON Export ON ON Korea
