Asus P5BV-M User Manual page 71

The following items appear only when USB.Functions item is set to [Enabled] .
Legacy.USB.Support.[Auto]
Allows you to enable or disable support for legacy USB. The AUTO option disables
legacy support if there is no USB device connected. Configuration options:
[Disabled] [Enabled] [Auto]
USB.2.0.Controller.[Enabled]
Allows you to enable or disable the USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
USB2.0.Controller.mode.[HiSpeed].
Allows you to select the USB2.0 controller mode.
Configuration options: [HiSpeed] [FullSpeed]
BIOS.EHCI.Hand-Off.[Enabled]
Allows yout to enable or disable the BIOS EHCI Hand-Off support function.
Configuration options: [Disabled] [Enabled]
ASUS P5BV-M 4-15