4-20 Chapter 4: BIOS setup
USB Functions [Enabled]
Allows you to enable or disable the USB functions. The following sub-items appear
when this item is set to [Enabled]. Conguration options: [Disabled] [Enabled]
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Conguration options: [Enabled] [Disabled]
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or
FullSpeed (12 Mbps). This item appears only when you enable the USB 2.0
Controller item. Conguration options: [FullSpeed ] [HiSpeed ]
BIOS EHCI Hand-off [Enabled]
Allows you to enable support for operating systems without an EHCI hand-off
feature. Conguration options: [Disabled] [Enabled]
Port 64/60 Emulation [Disabled]
Allows you to enable or disable the I/O port 60h/64h emulation support. This item
should be enabled for the complete USB keyboard legacy support for non-USB
aware OSes. Conguration options: [Disabled] [Enabled]
The USB Devices Enabled item shows auto-detected values. If no USB device
is detected, the item shows None.
4.4.2 USB Conguration
The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the conguration options.
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
v02.58 (C)Copyright 1985-2007, American Megatrends, Inc.
BIOS SETUP UTILITY
Advanced
USB Conguration
USB Devices Enabled:
None
USB Functions [Enabled]
USB 2.0 Controller [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-off [Enabled]
Port 64/60 Emulation [Disabled]
Legacy USB Support [Auto]
Options
Disabled
Enhanced