: PS2 Slim models (especially SCPH-70000 and later) have limited compatibility with USB loading due to the slower USB port. A better method is using SMB (network share) with OPL.
You cannot simply drag and drop an ISO onto the drive; the PS2 will not recognize it. You must use the installer tool. Download Usb Extreme Ps2 Slim
USB Extreme (and its successor, ) is a legacy software tool used to format USB drives and install PlayStation 2 games so they can be played on a Go to product viewer dialog for this item. : PS2 Slim models (especially SCPH-70000 and later)
This is the most critical part. You cannot simply drag an ISO file into the DVD folder. The PS2 USB driver is finicky. You must use the installer tool
In the "Games Installer" tab, select the media type (CD or DVD), choose your USB drive letter, give the game a name, and click "Start".