Using the PCSX2 BIOS USA V2.30 offers several benefits, including:
Sony released several hardware revisions of the PlayStation 2 (SCPH-10000, SCPH-30001, SCPH-50001, SCPH-70000, etc.). Each revision had a slightly different BIOS version number. The most common USA BIOS versions used by the emulation community are: Pcsx2 Bios Usa V2.30 Download