| Use Case | Recommended BIOS | |----------|------------------| | Best general compatibility | SCPH-39001 (v1.60) or SCPH-50001 (v1.70) | | Speedrunning (fast boot) | SCPH-90006 UPD (v2.32) | | Japanese games (perfect timing) | SCPH-10000 (v1.00) | | PAL games (50Hz accuracy) | SCPH-39002 (v1.60) | | Testing memory card exploits | SCPH-70012 (v1.90) |
Open your PCSX2 installation directory and locate the folder named bios . If it doesn't exist, create one. all ps2 bios files including the new scph90006 upd