Usb Configuration - Asus CROSSHAIR IV EXTREME User Manual

Onboard ATA Controller ROM [Enabled]
This item appears only when you set the previous item to [Enabled].
[Enabled] Enables the onboard ATA controller ROM.
[Disabled] Disables the onboard ATA controller ROM.
Onboard USB 3.0 Controller [Enabled]
[Enabled]
[Disabled]
3.5.4

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.
USB Configuration
Module Version - 2.24.5-13.4
USB Devices Enabled:
1 Keyboard
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 Functions to [Enabled].
Legacy USB Support [Auto]
[Disabled]
[Enabled]
[Auto]
3-26
Enables the USB 3.0 controller.
Disables the controller.
Crosshair IV Formula BIOS Setup
Advanced
[Enabled]
[Auto]
[HiSpeed]
[Enabled]
Enables the USB Host Controllers.
Disables the controllers.
Disables the function.
Enables the support for USB devices on legacy operating systems
(OS).
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.
Enable support for
all USB ports.
Chapter 3: BIOS setup