Some users upload BIOS files as "backups" or for "educational purposes." GitHub’s terms of service prohibit uploading copyrighted material without permission, so these repositories are often taken down quickly. However, forks and mirrors sometimes persist.
To ensure your file is not corrupted, its MD5 checksum should be c53ca5908936d412331790f4426c6c33 . psxonpsp660.bin github
psxonpsp660.bin is a BIOS file that was extracted from the Sony PlayStation Portable's (PSP) built-in PlayStation emulator, known as POPS. The PSP was a powerful handheld capable of playing downloadable PS1 games, and it contained a customized, streamlined version of the PS1 BIOS to do so. Some users upload BIOS files as "backups" or