Scph-5501.bin

: It is the standard for NTSC-U (North American) games.

The 5501 is the safe, boring, correct choice for 90% of the English-language PS1 library. scph-5501.bin

Emulators don’t have this chip. They need a digital copy of it to behave like a real PlayStation. Without the BIOS, the emulator is trying to run a spaceship without a launchpad. : It is the standard for NTSC-U (North American) games

"Missing SCPH-5501.BIN"