Psxonpsp660.bin Scph101.bin Scph7001.bin Scph5501.bin Scph1001.bin
It looks like you’re listing BIOS file names commonly used for PlayStation 1 (PS1) emulators, such as ePSXe, PCSX-Reloaded, DuckStation, or PSXeven.
If you’ve ever set up a retro handheld like the Miyoo Mini with Onion OS or configured RetroArch on your PC, you’ve likely stared at a list of cryptic filenames like scph1001.bin and psxonpsp660.bin. It looks like you’re listing BIOS file names
5. scph1001.bin
- Type: PS1 Console BIOS (Version 2.0 / 2.1)
- Source: Original launch PlayStation hardware (model SCPH-100x series).
- Region: USA
- Notes: This is the oldest USA BIOS. While historically significant, it is generally considered less compatible and stable than later versions (like 5501 or 101). It is often used as a fallback.
- MD5 Checksum:
924e392ed05558ffdb115408c263dccf
Final note: If you see a file named psxonpsp660.bin being passed around as a “universal BIOS,” know that it is a PSP orphan—functional, but not a replacement for proper console dumps. For accuracy, always prefer scph5501.bin (North America) or scph5500.bin (Japan). Those will let you hear the CD spin up and the logo chime exactly as you remember—because they are the real thing. Type: PS1 Console BIOS (Version 2
The files you listed are PlayStation 1 (PS1/PSX) BIOS files required by many emulators and retro-handheld operating systems (like Onion OS, ArkOS, and Batocera) to run games with high compatibility and performance. BIOS File Details Final note : If you see a file named psxonpsp660