Download Usb Extreme Ps2 Slim ((full)) -

Not every game runs perfectly over USB. Check the PS2 Compatibility List on the PS2 Home forums to see if your specific game requires specific OPL settings (known as "Modes") to boot properly. Final Thoughts

For PS2 Slim owners, this is particularly attractive because the Slim’s internal hard drive bay was removed (unlike the older "Phat" models), leaving USB as the only storage expansion option. Download Usb Extreme Ps2 Slim

If the game loads successfully, you're all set! Not every game runs perfectly over USB