If you have ever tried running PS2 games on an emulator, you probably realized pretty quickly that it’s not just about downloading the emulator itself. The BIOS plays a huge role in whether your games run smoothly or not.
A lot of people get confused about what PS2 BIOS actually is, why it’s required, and how it affects compatibility and performance. I recently spent some time putting together clear, beginner-friendly information to explain how it works and why it matters for emulation.
If you are into retro gaming or trying to set up PCSX2 properly, you might find this helpful:
https://ps2biosonline.com