| Console | Typical Filenames | Region / Version | |---------|------------------|------------------| | PS1 | scph1001.bin , scph5501.bin | USA | | PS1 | scph1000.bin , scph5500.bin | Japan | | PS1 | scph5502.bin , scph9002.bin | Europe (PAL) | | PS2 | ps2-0230a-20080220.bin | USA (v2.30) | | PS2 | ps2-0200a-20060111.bin | Japan | | PS2 | ps2-0220a-20060905.bin | Europe | | PSP | psp-1000.bin , psp-2000.bin | Various (for PPSSPP) |
Devices like the Retrode or Sanni Cartridge Reader can be adapted to connect to a PlayStation motherboard's BIOS chip directly, but this requires soldering skills. Bios Files For Playstation
Some older consoles (like the Sega Genesis) have had their BIOS code reverse-engineered and released as open-source replacements (e.g., Higan). This does not exist for the PlayStation. All known PS1 emulators require Sony’s proprietary code. There is no such thing as a "free" or "open source" PS1 BIOS. | Console | Typical Filenames | Region /
If you own an original SCPH-100x model with the parallel I/O port on the back, you can use a device like the "Goldfinger" or "Action Replay" with a parallel-to-USB adapter and a custom PC client to dump the ROM. All known PS1 emulators require Sony’s proprietary code