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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 :
[HiSpeed] in 480Mbps; [FullSpeed] in 12Mbps.
► BIOS EHCI Hand-Off
Windows XP supports a number of features in the Enhanced Host Controller Interface (EHCI)
specification, but there are a few features that are not implemented. Microsoft said preliminary
support for EHCI BIOS handoff will be available in Windows XP SP2.
This item allows you to enable support for OS without EHCI hand-off feature.
This is a workaround for OS without EHCI hand-Off support .
The EHCI ownership change should claim by EHCI driver.
If USB devices are connected to the computer, the following item will appear :
► USB Storage Configuration
After pressing <Enter>, you can set the reset delay for the USB storage device. There are many
different emulation types of this USB device, such as floppy, hard disk and CDROM can be
selected.
CMOS Setup Utility - Copyright (C) 1985-2009, American Megatrends, Inc.
USB Configuration
USB Configuration
Help Item
Module Version - 2.24.1-13.4
Enables support for
legacy USB. AUTO
USB Devices Enabled :
option disables
1 Drive
legacy support if
Legacy USB Support
[Enabled]
no USB devices are
USB 2.0 Controller Mode
[HiSpeed]
connected.
BIOS EHCI Hand-Off
[Enabled]
► USB Storage Configuration
[Press Enter]
↑↓←→:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help
F9:Optimized Defaults
[Enabled]