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3.4.7  USB Configuration

Use this item to enable or disable the use of USB 2.0 controller.

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

confi guration options: [Enabled], [Auto], [Disabled] and [UEFI 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 

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

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

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

setup and Windows / Linux OS.