: This stands for Wii Backup File System . It is a file format used to store Wii games on USB drives or SD cards for use with homebrew "USB loaders" like USB Loader GX . It is popular because it removes "junk data" found on original discs, making the file much smaller than a standard ISO. SF8E01 : This is the unique Game ID . S : Represents the Wii platform. F8 : The specific code for Donkey Kong Country Returns . E : Indicates the region is North America (NTSC-U). 01 : The publisher code for Nintendo .
: This stands for Wii Backup File System . It is a file format used to store Wii games on USB drives or SD cards for use with homebrew "USB loaders" like USB Loader GX . It is popular because it removes "junk data" found on original discs, making the file much smaller than a standard ISO. SF8E01 : This is the unique Game ID . S : Represents the Wii platform. F8 : The specific code for Donkey Kong Country Returns . E : Indicates the region is North America (NTSC-U). 01 : The publisher code for Nintendo .