Possible values of an option:
The option description:
The option is responsible for definition and support of the devices connected to port USB, at level BIOS. It is necessary, for example, that you could use the USB-keyboard for an input in BIOS Setup and editing of parametres of options BIOS. Work of the majority of USB-periphery in such out-of-date operating systems, as DOS will be "Collateral" effect of it. Value [Enabled] includes support of USB-devices at level BIOS, and [Disabled] — disconnects.
Other options identical to destination: