The Internet Archive provides access to these BIOS files under the following statement:
The story of the PS2 BIOS collection serves as a reminder that digital cultural heritage requires careful consideration and management. As we navigate the complexities of digital preservation, access, and ownership, the Internet Archive's PlayStation 2 BIOS collection will continue to play a significant role in shaping our understanding of gaming history, technical innovation, and the evolving landscape of intellectual property rights. internet archive playstation 2 bios link
While the Archive is famous for defying takedowns to preserve history, hosting active, current copyrighted firmware for a major console crosses a line that even they often have to respect. When you find a link to a BIOS on the Archive, it is usually a user upload, not a curated "collection" by the Archive staff. This means it is temporary. The Internet Archive provides access to these BIOS