Create a folder named DVD on your USB drive and place your ISO games there.
If your games are larger than 4GB, you must use USBUtil to split them. Mcboot Download Usb
Installing via USB allows you to softmod your PlayStation 2 to run homebrew applications, emulators, and games from external storage. This method requires a computer, a USB flash drive (formatted to FAT32), and a way to boot an installer on your PS2. Essential Files & Downloads (2026): Create a folder named DVD on your USB