Usb Configuration - Asus Crosshair IV Extreme Manual

�.5.4

USB Configuration

The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the configuration options.
Advanced
USB Configuration
Module Version - 2.24.5-13.4
USB Devices Enabled:
1 Drive
USB Support
Legacy USB Support
USB 2.0 Controller Mode
BIOS EHCI Hand-off
The USB Devices Enabled item shows the auto-detected values. If no USB
device is detected, the item shows None.
USB Support �Enabled�
[Enabled]
[Disabled]
The following items appear only when you set USB Support to [Enabled].
Legacy USB Support �Auto�
[Auto]
[Enabled]
[Disabled]
USB 2.0 Controller Mode �HiSpeed�
[FullSpeed]
[HiSpeed]
BIOS EHCI Hand-off �Enabled�
[Enabled]
[Disabled]
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Crossfire IV Extreme BIOS Setup
[Enabled]
[Auto]
[HiSpeed]
[Enabled]
Enables all the USB ports.
Disables all the USB ports.
Allows the system to detect the presence of USB devices at
startup. If detected, the USB controller legacy mode is enabled. If
no USB device is detected, the legacy USB support is disabled.
Enables the support for USB devices on legacy operating systems
(OS).
Disables the function.
Sets the USB 2.0 Controller in full speed (12Mbps).
Sets the USB 2.0 Controller in high speed (480Mbps).
Enables the support for operating systems without an EHCI
hand-off feature.
Disables the function.
Version 0243
Enable support for
all USB ports.
Chapter 3: BIOS Setup