The "PrFILE2" FAT file system and "PrUSB/Host" USB host stack constitute fundamental functionalities in the Wii console - managing and transferring data and files with external media. In particular, PrFILE2 provides file management functions which read and write data to and from the SD memory card, as well as other media. PrUSB/Host functions are used in Wii to provide USB host functions.

2006  Nintendo