ASROCK IMB-147 User Manual download pdf (Page 40)

3.3.6 USB Conguration

USB 2.0 Controller

Use this to enable or disable the USB 2.0 controller.

Legacy USB Support

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

conguration options: [Enabled], [Auto], [Disabled] and [UEFI Setup

Only]. The default value is [Enabled]. Please refer to the descrip-

tions below for 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 be used under legacy

OS and UEFI setup when [Disabled] is selected. If you have USB

compatibility issues, it is recommended to select [Disabled] to enter

the OS.

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

UEFI setup and Windows / Linux OS.

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ASROCK IMB-147 User Manual Page 40