Open your PS2 emulator and specify the PCSX2 BIOS files location if required. Each kind of emulator is different, just ensure to check their ‘readme’ file for specific instructions. Download and extract the ZIP package of PCSX2 BIOS Files.Place the PCSX2 BIOS files in the same folder with your PS2 game ROM. PCSX2 – Playstation 2 BIOS (PS2 BIOS) Download.