: A later, more stable North American version often recommended for modern emulators.
PS1 BIOS files are region-locked. To play a game from a specific region without glitches, your emulator's BIOS region must match the game ROM's region. Here are the top, most stable BIOS versions used in the emulation community: 1. North America (NTSC-U) ps1rombin bios top
This is the tricky part. Retro gaming forums are plastered with links, but you must be careful. : A later, more stable North American version