Scph101.bin Scph7001.bin Scph5501.bin Scph1001.bin: Psxonpsp660.bin

Each file represents a different hardware revision or region of the original console. While they all perform the same basic function—booting the system and handling hardware communication—they vary in compatibility and features. psxonpsp660.bin

| Emulator | Supported BIOS Files | Notes | |----------|----------------------|-------| | | All five; prefers psxonpsp660.bin | Auto-detects region; can use multiple BIOS files per region | | ePSXe | SCPH1001, SCPH5501, SCPH7001, SCPH101 | Does not officially support psxonpsp660.bin but can use it renamed | | RetroArch (PCSX-ReARMed) | All five | Strongly recommends psxonpsp660.bin for handhelds (PSP/Vita) | | PCSX-Reloaded | SCPH1001, SCPH5501, SCPH7001 | Older codebase; no PSP BIOS support | | Xebra | SCPH1001 only | Extreme accuracy, but picky | Each file represents a different hardware revision or

: Many emulators, such as those used in Onion UI or Batocera , can use this single file as a replacement for all others by renaming copies of it to match the standard SCPH filenames. Regional & Hardware BIOS Files (SCPH Series) Regional & Hardware BIOS Files (SCPH Series)