For standard emulation, any BIOS version works. However, if you want to use homebrew tools like OpenTuna or Fortuna , you must use a BIOS version 2.30 or higher , as they are designed for consoles that block FMCB. For general game compatibility, versions like v2.00 are widely considered stable and perform well for the vast majority of games.
Complete Guide to PS2 BIOS Files: Every Revision and the SCPH-90006 Exclusive
The original launch Japanese BIOS (v1.00). It lacks a built-in DVD player menu, requiring an external utility disc. all ps2 bios files including the new scph90006 exclusive
Commonly appears as SCPH-90006_BIOS_V18_HK_230.BIN .
You can then move these files to your PC and direct PCSX2 to the folder containing them. For standard emulation, any BIOS version works
| Emulator | Compatibility Rating | Notes | | :--- | :--- | :--- | | | Excellent | Fully supported from v1.6+. Best performance with the "Fast Boot" option unchecked. | | AetherSX2 (Android) | Good | Requires v1.5-3668 or newer. Older versions hang on the "Sony Computer Entertainment" white screen. | | Play! (Multiplatform) | Fair | Works, but the emulator’s interpreter struggles with the advanced MechaCon timing. Expect stutters in Ratchet & Clank . | | RetroArch (LRPS2) | Excellent | Perfect stability. Use the "Dump BIOS" option to verify your 90006 file is valid. |
This is the most common and stable BIOS version found in many "Fat" and early "Slim" models. It offers high compatibility with homebrew software and standard retail games. Complete Guide to PS2 BIOS Files: Every Revision
PAL BIOS is preferred for lower-end hardware to cap games at 50Hz. SCPH-50006 to 90006 v1.90 to v2.30 Matches the SCPH-90006 BIOS mentioned. Summary Recommendation If you are setting up an emulator, the SCPH-90001 (USA) SCPH-90006 (Asian)
"The Ultimate Collection: All PS2 BIOS Files, Including the Elusive SCPH90006 Exclusive"