You don't need to take apart a console to get this file. If you are using a modded or an emulator like , the process is straightforward: Extract from Firmware:

. When it comes to PlayStation 1 emulation, securing a reliable, legal, and highly compatible BIOS is often the most significant hurdle for retro gaming enthusiasts.

The homebrew scene is always evolving. In May 2025, a new open-source PS1 emulator for PS3 CFW called was released. This emulator is different because it tries to leverage the powerful Cell processor and RSX graphics chip to emulate the original PlayStation's architecture, potentially offering better performance than Sony's own emulator. It supports common formats like ISO and BIN.