You cannot legally download a BIOS file from a website. The only legal way to obtain a BIOS for PCSX2 1.7.0 is to dump it from your own personal, physical PlayStation 2 console. Transferring the BIOS to your PC requires a homebrew-enabled PS2 (using tools like uLaunchELF ) and a USB drive.

: You need files such as SCPH-70012.bin or similar. These are legally required to be dumped from your physical PS2 hardware using a homebrew tool like BIOS Dumper . 2. Locating the BIOS Folder