To play European PAL games correctly, the emulator needs a PAL BIOS to set the correct 50Hz refresh rate and region-locking parameters.
Released in the mid-1990s, the was the European (PAL) counterpart to the North American SCPH-5501. It is widely considered part of the "sweet spot" in original PlayStation production. To play European PAL games correctly, the emulator
The Legacy of the PlayStation SCPH-5502: Understanding the V3.0 European BIOS To play European PAL games correctly