Inside the RPCS3 folder you should find your new PS2 and PS1 BIOS files! They are named as such:.

This will take a moment to run through the batch file, and you will get a notification within the terminal window that the process is complete. You may get a warning from Windows security, just select Get Info > Run Anyway. Double-click on the firmware_bios_claim.bat file and run this batch file.

Take the two PS BIOS Claim Tool files ( firmware_bios_claim.bat and firmware_bios_claim.ps1) and place them inside the RPCS3 main folder.

Once this process is complete, you can close RPCS3. The installation process will take a couple minutes - it will also compile the PPU Modules at the same time.

Run RPCS3, and go to File > Install Firmware and locate the PS3UPDAT.PUP file.

Download the three files above, then extract the PS BIOS Claim Tool and RPCS3 into their own folders.

The extraction process is covered in the video above, but here is a quick summary: The file will be named PS3UPDAT.PUP and you can get it from right-clicking on the blue button that says “Download PS3 Update” and selecting “Save File As…” We’re going to extract our BIOS files from this update file using the two tools we downloaded above. This file can also be obtained from many PS3 retail discs. PS3 System Software Update file - Sony provides their latest PS3 system software on their website so it can be saved to a flash drive and plugged into a PS3 to update.

This file will come zipped in 7z format, so you will need to extract it using a tool like 7zip. You will need to run this program one time on your PC and install the official PS3 firmware (more on that below). This file will need to be extracted, and the files you are looking for are found within the Windows folder: firmware_bios_claim.bat To download, find the link that says “ZIP” on the right side of the page, and download that file. PS BIOS Claim Tool - this is a batch file that will extract the PS2 and PS1 BIOS files from the official PS3 firmware update file. Note that this guide is written for Windows PCs, but it is also possible using a Linux machines by following the Linux README file found within the BIOS Claim Tool linked below. I also recommending installing 7zip if you haven’t already, since it will be helpful in extracting these files on your desktop.

To get started, we need three tools to extract the BIOS files. No longer do you need to rely on a hacked console (or shady websites) to acquire your BIOS files! These BIOS can then be used in many popular emulators like PCSX2, AetherSX2, DuckStation, and RetroArch. In this guide I’ll show you how to safely extract your own BIOS files to use with PS2 and PS1 emulators, thanks to a new tool that works with the official Sony PS3 firmware update file. Last updated: 17FEB2023 (see Changelog for details)

Pcsx2 says iso file not found