Download New Bios File Fast SCPH50003 Bin
Unzip the the file(ps2_bios.zip) and place whatever BIOS file you need (this has them all) in the same folder the PS2 ROMs are located in. In some cases, place the file in the same folder the Emulator is located. Each emulator is different, ensure to check the READ ME for specific instructions.
Download New bios file fast SCPH50003 bin