Translations:Kernel/Gentoo Kernel Configuration Guide/47/en


 * 1)   is the Universal Host Controller Interface. It supports USB 1.1, and is usually found on motherboards based on a VIA or Intel chipset.
 * 2)   is the Open Host Controller Interface. It supports USB 1.1 and is usually found on motherboards based on an Nvidia or SiS chipset.
 * 3)   is the Extended Host Controller Interface. It is the only common host controller to support USB 2.0, and can typically be found on any computer that supports USB 2.0.
 * 4)   is the eXtensible Host Controller Interface. It is the host controller for USB 3.0 and is compatible with USB 1.0, 1.1, 2.0, 3.0 and future speeds. Enable this feature when the board supports USB 3.0.