Usb Configuration - Asus P5QD Turbo User Manual

3.6.4

USB Configuration

The items in this menu allow you to change the USB-related features. Select an item then
press <Enter> to display the configuration options.
Advanced
USB Configuration
USB Devices Enabled:
None
USB Functions
USB 2.0 Controller
USB 2.0 Controller Mode
BIOS EHCI Hand-off
Legacy USB Support
The USB Devices Enabled item shows the auto-detected values. If no USB device is
detected, the item shows None.
USB Functions [Enabled]
[Enabled]
[Disabled]
The following two items appear only when you set USB Functions to [Enabled].
USB 2.0 Controller [Enabled]
[Enabled]
[Disabled]
USB 2.0 Controller Mode [HiSpeed]
[FullSpeed]
[HiSpeed]
BIOS EHCI Hand-off [Enabled]
[Enabled]
[Disabled]
The following item appears only when you set USB Functions to [Enabled].
Legacy USB Support [Auto]
[Auto]
[Enabled]
[Disabled]
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BIOS SETUP UTILITY
[Enabled]
[Enabled]
[HiSpeed]
[Enabled]
[Auto]
Enables the USB Host Controllers.
Disables the controllers.
Enables the USB 2.0 controller.
Disables the controller.
Sets the USB 2.0 controller mode to FullSpeed (12 Mbps).
Sets the USB 2.0 controller mode to HiSpeed (480 Mbps).
Enables the support for operating systems without an EHCI hand-off
feature.
Disables the function.
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.
Enable support for
Options
all USB ports.
Disabled
Enabled
Chapter 3: BIOS setup