User`s manual

STX88831 STX Evaluation Platform Module Series User’s Manual
AMI BIOS Utility
43
 USB Configuration
You can use this screen to select options for the USB
Configuration, and change the value of the selected option. A
description of the selected item appears on the right side of the
screen.
 USB 2.0 Controller Mode
Use this item to configure the USB 2.0 controller. The
default setting is HiSpeed.
 Legacy USB Support
Use this item to enable or disable support for USB device
on legacy operating system. The default setting is Enabled.
 BIOS EHCI Hand-Off
Enabling this item provide the support for operating
systems without an EHCI hand-off feature. The default
setting is Enabled.