There are different versions of PS2 BIOS, depending on the region where the console was sold. The Europe, Japan, and USA versions are the most commonly used BIOS versions for PlayStation 2 consoles. Each version has its unique features and specifications.

PS2 BIOS Europe
The Europe version of PS2 BIOS is known as SCPH-70004. It is the BIOS version that is specifically designed for PlayStation 2 consoles sold in Europe. The Europe version of PS2 BIOS supports the PAL video format, which is used in most European countries.
PS2 BIOS Japan
The Japan version of PS2 BIOS is known as SCPH-10000. It is the BIOS version that is specifically designed for PlayStation 2 consoles sold in Japan. The Japan version of PS2 BIOS supports the NTSC video format, which is used in Japan and North America.
PS2 BIOS USA
The USA version of PS2 BIOS is known as SCPH-39001. It is the BIOS version that is specifically designed for PlayStation 2 consoles sold in the United States of America. The USA version of PS2 BIOS also supports the NTSC video format.
FAQ
Can I use the Europe version of PS2 BIOS on a console sold in the United States?
No, you cannot use the Europe version of PS2 BIOS on a console sold in the United States as it is not compatible with the NTSC video format used in the USA.