A major repository hosting a wide range of PS2 BIOS versions, including early SCPH-10000 models up to later Slim versions. It can be accessed via the Playstation 2 BIOS Collection GitHub Gists & Repositories:
Contains the logic used to reconfigure hardware for playing original PlayStation (PS1) games. Features of the SCPH-90006 BIOS all ps2 bios files including the new scph90006 link