For the truly technical, you can use a hex editor like HxD and a ULCFG structure map. This is not recommended for beginners.
is a critical utility for PlayStation 2 homebrew enthusiasts using Open PS2 Loader (OPL) USB Advance ulcfg ps2 editor
: The classic choice for splitting large ISOs and creating the initial ul.cfg . It remains a top resource for recovering lost index files. For the truly technical, you can use a
file if it becomes corrupted or accidentally deleted, which would otherwise make all games "disappear" from the loader. Adding/Removing Entries For the truly technical