Supported file systems: -exFAT (since OPL v1.2.0 beta - rev1880) and FAT32, both use the MBR partition table. This section applies to MX4SIO/MMCE SD setups and USB storage. +exFAT (since OPL v1.2.0 beta - rev1880) and FAT32, both use the MBR partition table. This section applies to MMCE and MX4SIO SD setups, USB storage, and iLink SBP2 storage. Game files should be *ideally* defragmented either file by file or by whole drive.