Because the BIOS is copyrighted software owned by Sony, downloading it from the internet is generally considered illegal. The only officially legal way to obtain these files is to "dump" (copy) them from a PS2 console that you physically own.

And now we arrive at the strangest member of the family: the . The SCPH-90000 series was the final hardware revision, which integrated the CPU and the I/O processor into a single “PowerPC-like” die (the DECKARD). The base BIOS version 2.30 for the 90006 (the “06” denotes Hong Kong/Southeast Asia, with PAL-M/NTSC hybrid video) was already locked down. But Sony, in a rare post-launch move, released a silent hardware revision of the 90006 motherboard (the “GH-072-42” revision) with a patched BIOS .

Consoles with BIOS v2.3 (manufactured after date code 8C) generally cannot run traditional FMCB. Users of these "patched" models often rely on alternative homebrew entry points like Funtuna or OpenTuna .

If you are looking for specific hardware models, they are often named as follows: Model Number Filename Example SCPH-39001 scph39001.bin USA SCPH-70012 ps2-0200a-20040614.bin Europe SCPH-30004R scph-30004r_bios_v6_eur_160.bin Europe SCPH-70004 ps2-0200e-20040614.bin Japan SCPH-10000