Using the BIOS in RetroArch is often considered a "better" choice than standard BIOS files because it is an optimized version of the original PlayStation firmware. Key Features and Benefits
✨ : If you are using SwanStation or DuckStation , you can manually select this BIOS in the "Core Options" menu under "Console" or "BIOS" settings to ensure it is being used over the internal HLE (High-Level Emulation) BIOS. Psxonpsp660.bin Retroarch BETTER
Stop fighting with red screens and region mismatches—switch to the BIOS that was built for emulation in the first place. Happy gaming psxonpsp660
Improvements and proposals for a “better” psxonpsp660.bin experience in RetroArch Obtain BIOS only from legally owned hardware or
Encourage open BIOS alternatives and improved HLE