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USB 2.0 Controller
Use this item to enable or disable the use of USB 2.0 controller.
Legacy USB Support
Use this option to select legacy support for USB devices. There
[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 issues, 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.
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