Owner's Manual

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4747

BIOS SETUP UTILITY

USB Configuration

To enable or disable

the onboard USB

controllers.

Select Screen

Select Item

+- Change Option

F1 General Help

F9 Load Defaults

F10 Save and Exit

ESC Exit

Advanced

USB Controller

Legacy USB Support

USB 2.0 Rate Matching hub

USB Keyboard/Remote Power On

USB Mouse Power On

[Enabled]

[Disabled]

7.4.57.4.5

7.4.5

USB ConfigurationUSB Configuration

USB Configuration

USB Controller

Use this item to enable or disable the use of USB controller.

Legacy USB Support

Use this option to select legacy support for USB devices. There are four

configuration options: [Enabled], [Auto], [Disabled] and [BIOS Setup

Only]. The default value is [Enabled]. Please refer to below descriptions

for the details of these four options:

[Enabled] - Enables support for legacy USB.

[Auto] - Enables legacy support if USB devices are connected.

[Disabled] - USB devices are not allowed to use under legacy OS and

BIOS setup when [Disabled] is selected. If you have USB compatibility

issue, it is recommended to select [Disabled] to enter OS.

[BIOS Setup Only] - USB devices are allowed to use only under BIOS

setup and Windows / Linux OS.

USB 2.0 Rate Matching hub

Use this item to enable or disable the USB 2.0 Rate Matching hub.

USB Keyboard/Remote Power On

Use this item to enable or disable USB Keyboard/Remote Power On on the

system.

USB Mouse Power On

Use this item to enable or disable USB Mouse Power On on the system.

Due to WinXP and PCH chipset (HM55) limitations, if you use

WinXP, please disable the BIOS option "USB2.0 Rate Matching

Hub" to make USB devices work properly. (For example, in the

process of installing WinXP or using USB3.0 devices.)