If you cannot acquire a legal BIOS dump, you have two options:
Unlike traditional BIOS files tied to a specific hardware version or region, this file is designed to be highly compatible with a broad library of games. How to Use It for Emulation Ps1-rom.bin -ps3 Ps1 Bios-
The BIOS (Basic Input/Output System) is a small piece of code extracted from an original PlayStation console. Emulators like DuckStation need this file to mimic the console's hardware behavior. Retro Game BIOS Files - What are they? Where? Which ones? 4 Aug 2025 — If you cannot acquire a legal BIOS dump,
The PS1-ROM.BIN is a binary file that contains the PlayStation 1 (PS1) BIOS (Basic Input/Output System). The BIOS is a crucial component of the PS1 console, responsible for initializing the hardware, providing basic functionality, and serving as a interface between the console's hardware and software. Retro Game BIOS Files - What are they
Place it in the bios folder within the emulator's root directory.