If you search for ps1-rom.bin -ps3 ps1 bios on Google, you will find many ROM sites hosting the file. Downloading from these sites is risky (malware, fake files) and legally dubious. The safe, legal route is to dump it yourself.
As of 2025, the PS3’s PS1 emulation remains static. Sony no longer updates the PS3 firmware. However, the homebrew scene continues to refine tools. The keyword ps1-rom.bin -ps3 ps1 bios will likely persist because:
Using this file in emulators like Beetle PSX can fix boot issues or graphical glitches that occur when using high-level emulation (HLE). How to Use PS1 .BIN Files on PS3
The PS3’s internal PS1 BIOS is a direct copy of these retail dumps. There is no special “PS3 version” of the PS1 BIOS—it’s identical to what you would dump from an original PlayStation.
Unlike the PlayStation 2 (which has a mixed hardware/software emulation for PS1 games), the :
