Why the BIOS matters for RetroArch users
: It is functionally region-free, meaning a single BIOS file can often handle NTSC-U, NTSC-J, and PAL games without the need for multiple files in your system folder. Psxonpsp660.bin Retroarch BETTER
It’s still proprietary code, not open source, and not a true “performance upgrade” – just a compatibility polish. But for 99% of RetroArch users, Psxonpsp660.bin is indeed the better daily driver BIOS . Why the BIOS matters for RetroArch users :