The "1" at the end of 90001 designates the North American region. This ensures seamless compatibility with English-language NTSC-U game ROMs and ISOs. The Legalities of Downloading a PS2 BIOS
The "1" at the end of 90001 designates the North American region. This ensures seamless compatibility with English-language NTSC-U game ROMs and ISOs. The Legalities of Downloading a PS2 BIOS
