Your PS2 storage medium (USB drive, SD card via MX4SIO, or an external hard drive). The executable file.
Before diving into the editor, you must understand the file it modifies. ulcfg ps2 editor
Using the editor is straightforward, but it requires access to the storage device you use for your PS2 homebrew. Step 1: Locate Your ul.cfg File Your PS2 storage medium (USB drive, SD card