This bios is a file that is provided in the updates of the PS3.
Its advantages :
This tutorial will show you how to get this bios.
You must first download and unzip the RCPS3 emulator, a PS3 game emulator. This one exists for Windows and Linux.
Once unzipped, you must go to this page and download the PS3 firmware.
Once you have downloaded the PS3UPDAT.PUP file, open the RCPS3 emulator.
Open the File
menu and select Install Firmware
.
/dev_flash/ps1_emu/
folder. You will find the bios file to grab.