User`s manual

73
3
BIOS Setup
USB Configuration
This section is used to congure USB devices.
BIOS SETUP UTILITY
v02.61 (C)Copyright 1985-2006, American Megatrends, Inc.
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USB Conguration
Module Version - 2.24.5-14.4
USB Devices Enabled :
None
Legacy USB Support
USB 2.0 Controller Mode
BIOS EHCI Hand-Off
Advanced
[Enabled]
[HiSpeed]
[Enabled]
Legacy USB Support
Enabled
Enables Legacy USB.
Auto
Disables support for Legacy when no USB devices are connected.
Disabled
Keeps USB devices available only for EFI applications.
USB 2.0 Controller Mode
Configures the USB 2.0 controller in HiSpeed (480Mbps) or FullSpeed
(12Mbps).
BIOS EHCI Hand-Off
This is a workaround for OSes that does not support EHCI hand-off. The EHCI
ownership change should be claimed by the EHCI driver.
Enables support for
legacy USB. AUTO
option disables
legacy support if
no USB devices are
connected.