Psxonpsp660.bin Scph101.bin Scph7001.bin Scph5501.bin Scph1001.bin ((top)) Jun 2026

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

: Another North American BIOS version found in later SCPH-7001 hardware models. Installation Guide Each file represents a different hardware revision or

These files are extracted from different physical models of the original PlayStation. Because the PS1 was region-locked, emulators often use these to match the region of the game you are playing. Sony - PlayStation | Onion Each file represents a different hardware revision or