: Additional data, such as DVD player software or region-specific font files (common in Asian models).
That is correct. The SCPH-10000 was released only in Japan. The menu language will be Japanese unless you use a BIOS language patcher (not recommended). sony playstation 2 bios file name scph10000zip top
: Some emulators, such as PCSX2 and RetroArch , may experience memory card emulation issues or lower game compatibility when using this specific early BIOS. How to Legally Obtain BIOS Files : Additional data, such as DVD player software