This exploit uses the DVD player's BIOS instead of the memory card's, allowing you to launch homebrew by burning a special file to a DVD-R. Funtuna / OpenTuna:
The SCPH-90001 BIOS can be dumped from physical hardware using: ps2 bios scph 90001
: Because of this patch, users with these later models must rely on newer exploits like This exploit uses the DVD player's BIOS instead
The only legal method is to dump the BIOS from your own PS2 console using a tool like FreeMcBoot or FreeDVDBoot on a USB drive, as downloading it is copyrighted material. PCSX2 Setup for 90001 ps2 bios scph 90001