There are a few things you may attempt to help you locate the BIOS file if you’re having trouble:.The code required for the emulator to operate properly is found in the BIOS file, which is a mandatory component. You will require a BIOS file for the emulator to use in order to use a PlayStation 1 emulator. It appears like you are trying to use a PlayStation 1 emulator but are running into a BIOS file problem. Error running ePSXe *!Error: PSX BIOS not found. The PlayStation 1’s BIOS is a crucial component because it enables the console to boot and function properly. It checks the integrity of the hardware, sets up the system memory, and detects any attached controllers or peripherals among other things. The console’s hardware is initialized and the operating system, which is on the game disc, is loaded by the BIOS. When the PlayStation 1 is powered on, the program that runs is called the BIOS (Basic Input/Output System). The acronym PS1 stands for the Sony PlayStation 1, a 1994 home video game console. Download Free Latest Version PSX/PS1 BIOS/PlayStation 1 BIOS “scph1001.bin” For ePSXe or any PlayStation 1 (PS1) Emulator.