This BIOS supports a wide range of formats, including PS1 and PS2 CD-ROMs, DVD-ROMs, and DVD-Video. How to Identify Your BIOS
The PS2 BIOS is proprietary Sony code. Downloading a BIOS file from a third-party "rom site" is technically copyright infringement. To stay legal, the community standard is to from your own physical SCPH-70004 console using a tool like PS2dumper and a FreeMcBoot memory card. How to use the SCPH-70004 BIOS in PCSX2 scph 70004 bios
To extract the BIOS from your own SCPH-70004 console, you will need to utilize homebrew software. Requirements: A physical . This BIOS supports a wide range of formats,