Restart your PSP using the VSH menu, ensure the plugin is enabled, and hold the R-Trigger while launching a PS1 game to select the 6.60 firmware. A Note on Legalities and Safety
If you have recently ventured into the world of PlayStation emulation—specifically, trying to play PlayStation Portable (PSP) games on a PlayStation 2 (PS2) or a PS2 emulator—you have likely encountered the cryptic file name . A quick Google search yields dozens of forums, Reddit threads, and file-hosting sites all promising this specific binary file. Download Psxonpsp660.bin
Note: While the file is historically and technically interesting, the BIOS remains copyrighted code owned by Sony. While emulators are generally legal, downloading or distributing proprietary BIOS files without owning the original hardware constitutes a legal gray area in many jurisdictions. Restart your PSP using the VSH menu, ensure
The answer is . The BIOS is proprietary Sony intellectual property. Distributing it without permission is illegal in most jurisdictions. Therefore, emulator developers host their software legally but require users to provide their own BIOS—just as they would provide their own game ROMs. Note: While the file is historically and technically
If you want step-by-step instructions for dumping psxonpsp660.bin from a PSP you own or configuring a specific emulator (name the emulator and your OS), I can provide a concise guide.