The "USBUtil v21 Ultimate for PS2 USB Mode 2 Link" in your search keyword is the connection between these two modes. You use USBUtil v21 Ultimate to convert your game into the "USB Mode 2 (USBExtreme) format," which sets the foundation. Then, if you encounter problems while playing a converted game, you can apply OPL's built-in compatibility "Mode 2" setting to resolve them. The tool and the loader feature work in tandem to maximize compatibility.
The term "USB Mode 2" often refers to specific compatibility settings within OPL (Open PS2 Loader) that ensure smoother playback for certain titles. Split File Support: usbutil v21 ultimate for ps2 usb mode 2 link
Select the letter corresponding to your formatted FAT32 USB drive root. Set the Media Type setting to DVD (or auto-detect). The "USBUtil v21 Ultimate for PS2 USB Mode