ASROCK P55 PRO User Manual download pdf (Page 62)

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3.4.83.4.8

3.4.8

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.

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

[Enabled]

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ASROCK P55 PRO User Manual Page 62