Ps2 Bios Scph 90001 [new] -

The final digits (e.g., "01") act as a :

As mentioned, the v2.30 BIOS on your 90001 has an updated security routine that the primary tool most people use for this: Free McBoot (FMCB). Do not panic. This doesn't mean you're stuck. You can still run the necessary homebrew (like biosdrain ) using alternative methods: ps2 bios scph 90001

Use uLaunchELF to navigate to mass:/ (your USB drive) and execute the biosdump.elf file. The final digits (e