Asus P5GC - Manual (Page 78)

4-20 Chapter 4: BIOS setup
USB.Function.[Enabled]
Allows the BIOS to auto-detect the number of USB ports in your system. Setting
this item to [Disable] disables the USB device detection function.
Configuration options: [Disabled] [Enabled]
Legacy.USB.Support.[Auto]
Allows you to enable or disable support for legacy USB devices. Setting to [Auto]
allows the system to detect the presence of USB devices at startup. If detected,
the USB controller legacy mode is enabled. If no USB device is detected, the
legacy USB support is disabled.
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]
USB.2.0.Controller.Mode.[HiSpeed]
Allows you to configure the USB 2.0 controller in HiSpeed or Full Speed.
Configuration options: [FullSpeed] [HiSpeed]
BIOS.EHCI.Hand-Off.[Disabled]
Allows you to enable support for operating systems without an EHCI hand-off
feature. Configuration options: [Enabled] [Disabled]
4.4.2 USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the configuration options.
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows None.
USB Configuration
Module Version - 2.24.0-F.4
USB Devices Enabled:
None
USB Function [Enabled]
Legacy USB Support [Auto]
USB 2.0 Controller [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Disabled]
Enables USB host
controllers.