A: No. For native PSP games, the BIOS has zero impact. It only affects PS1 emulation within the PSP environment.
A: No. Official firmware prohibits loading external BIOS files. You need custom firmware to replace the internal POPS module. psxonpsp660bin bios
A BIOS (Basic Input/Output System) is low-level firmware that initializes hardware and provides core services—like reading input, displaying graphics, or accessing storage—before the main operating system or game takes over. Original consoles have a unique BIOS chip. When you run an emulator on your PC or smartphone, that emulator is essentially pretending to be the console hardware. However, some of the original console’s low-level instructions are proprietary and copyrighted by Sony. A: No. For native PSP games