The PS2 uses the file system for USB drives. While reliable, FAT32 has a strict 4GB file size limit . Since many PS2 games (DVD9 or large DVDs) exceed this limit, they cannot be simply copied to the drive. USBUtil solves this by:
The "Ultimate" iteration of USBUtil v2.1 introduced a more user-friendly Graphical User Interface (GUI) compared to its predecessors (like USB Advance). usbutil v21 ultimate for ps2 usb mode 2 link
of the FAT32 file system by splitting larger game files into smaller 1GB segments. These segments are then readable by Open PS2 Loader (OPL) Core Functionalities ISO Splitting The PS2 uses the file system for USB drives
Using USBUtil v2.1 Ultimate is relatively straightforward: usbutil v21 ultimate for ps2 usb mode 2 link