If the hash matches, you have a clean, unmodified BIOS that will work perfectly. The collection of files— psxonpsp660.bin, scph101.bin, scph7001.bin, scph5501.bin, scph1001.bin —represents the complete history of the PlayStation’s system software. Whether you are reliving Final Fantasy VII on a PSP, testing Metal Gear Solid on DuckStation, or debugging a rare PAL import on RetroArch, having the correct BIOS is the difference between smooth gameplay and a digital paperweight.
| Filename | MD5 Checksum | Size | | :--- | :--- | :--- | | scph1001.bin | 924e392ed05558ff3d42432b2a6e6c2b | 524,288 bytes | | scph5501.bin | b6f9cbedf613a0f89d1c9fa9ae0e6549 | 524,288 bytes | | scph7001.bin | 79d439fe6302acb387c6b1c42c8aaf93 | 524,288 bytes | | scph101.bin | 4e5fa52f9b1873d72b977fad1d1ffc10 | 524,288 bytes | | psxonpsp660.bin | c53ca591787ae2f29babbc8e1bc6b9b2 | 524,288 bytes | If the hash matches, you have a clean,
| Emulator | Required BIOS Files | | :--- | :--- | | | Any of scph1001, 5501, 7001, or 101 | | ePSXe | scph1001.bin (or 5501) | | RetroArch (PCSX-ReARMed) | scph5501.bin or scph7001.bin | | Xebra | Exact match required (e.g., scph1001) | | Filename | MD5 Checksum | Size |