However, the emulation community has widely preserved this file. The popular page is a starting point for finding these preserved files, often linking to collections on the Internet Archive.
This file is that exact operational code, cleanly extracted from the update. psxonpsp660bin archiveorg new
It is placed in specific system folders to allow custom-made PS1 game files (EBOOTs) to run smoothly. However, the emulation community has widely preserved this