Welcome to the
Sega ST-V MODBIOS Home
"The ideal Bios replacement for your ST-V board"
Accepts cartridge of any country
lets you set the country code (JAP, EUR, US) before game starts
switchless configuration of Country Code (Language in games)
passes memory test in System Test Menu (GOOD)
stores country code in backup memory
works with all ST-V mainboards
just plug it in instead of your original bios, that´s all!
Watch the video here!
developed using Renesas Super-H Embedded Workshop and Mame Debugger
Price is 25EUR per IC shipped worldwide
Identify your Bios Type of IC8 on the pcb and email the part number in your order:
click here to order the ModBios IC