If you are using a 70004 BIOS and your game won't start, check these common fixes:
Enter the SCPH-70004. Released around 2004-2005, specifically for the European and Oceanic (PAL) markets, this machine was the redemption. scph 70004 bios
This is the first generation of the Slimline series (V12 or V13). If you are using a 70004 BIOS and
It is important to address the elephant in the room: scph 70004 bios
In PCSX2 , you must point the software to the folder containing the .bin file during the "First Time Configuration" or in the BIOS selection menu.
When you look for BIOS files, you’ll likely find a folder containing several components. To fully "put together" the SCPH-70004 set, you usually need these specific files: The main system firmware.