The PlayStation 2 BIOS (Basic Input/Output System) evolved through numerous revisions over its 13-year lifespan, ranging from the earliest "ProtoKernel" models to the highly secure final "Slim" revisions. For the highest compatibility in modern emulators like PCSX2, version v2.00 or newer is generally recommended. The SCPH-90006 "Exclusive" Revision
| Model | Region | BIOS Version | CRC32 (Dump) | Notes | |------------|-----------|--------------|---------------|--------------------------------------------| | SCPH-10000 | Japan | 1.00 | 6C231F9E | Earliest, unstable. | | SCPH-15000 | Japan | 1.01 | A4C609CB | Rare. | | SCPH-30001 | USA | 1.10 | B4C7D2F6 | Good for legacy homebrew. | | SCPH-39001 | USA | 1.90 | D42E3D9E | Most popular. | | SCPH-39002 | Europe | 1.90 | 6FADE9B8 | PAL standard. | | SCPH-50000 | Japan | 1.90 | 9B8B6C5A | First with IR receiver. | | SCPH-70004 | Europe | 2.00 | A83B5A4C | Slim, no HDD support. | | SCPH-75001 | USA | 2.10 | 7CAB11BA | Software DVD. | | SCPH-77001 | USA | 2.20 | 8B3A2F6E | Minor fixes. | | SCPH-90001 | USA | 2.30 | 19E68A9C | Final US revision. | | SCPH-90006 | Asia/HK | 2.30E | 4A7F5B8D | Exclusive. Best compatibility. | | SCPH-90008 | China | 2.30C | CC70C841 | China-only (rare, no NTSC-U support). | all ps2 bios files including the new scph90006 exclusive
Some advanced users also pair the 90006 BIOS with a "Full Boot" (not Fast Boot) to trigger the genuine Asian PS2 startup logo—a subtle flex for retro enthusiasts. The PlayStation 2 BIOS (Basic Input/Output System) evolved
SCPH-10000 (v1.00 - JAP): The original Japanese launch BIOS. Acquire a clean dump from original hardware; document