Eject the USB drive safely from your computer and plug it into one of the front-facing .
Have you successfully used USBUtil v21 Ultimate with Mode 2 Link on a tricky game not listed here? Share your compatibility results in the PS2 homebrew forums. Every test helps refine the knowledge base.
USBUtil v2.1 (Ultimate) is a convenient tool for preparing USB drives for OPL. Enabling improves USB compatibility for certain problematic games. For best performance, consider SMB (network) or internal HDD loading instead.