3
38
USB Configuration
► Legacy USB Support
This item is used to enable the support for USB devices on legacy OS. If you have a USB
keyboard or mouse, set to auto or enabled.
► USB 2.0 Controller Mode
This item is used to set the transmission rate mode of USB 2.0. The available settings are :
[High Speed] in 480Mbps; [Full Speed] in 12Mbps.
►BIOS EHCI Hand-Off
This is a workround for OSes without EHCI hand-off support.The EHCI ownership
change should claim by EHCI driver.
CMOS Setup Utility - Copyright (C) 1985-2008, American Megatrends, Inc.
USB Configuration
USB Configuration
Help Item
Module Version - 2.24.5-13.4
Enable support for
legacy USB.
USB Devices Enabled :
Auto option disables
None
legacy support if
no USB devices are
Legacy USB Support
[Enabled]
connected.
USB 2.0 Controller Mode
[High Speed]
BIOS EHCI Hand-Off
[Enabled]
↑↓←→:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help
F9:Optimized Defaults
[Enabled]