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3.3.6 USB Configuration
USB Controller
Enable or disable all the USB 2.0 ports.
Intel USB3.0 Mode
Enable or disable Intel USB USB 3.0 ports.
Legacy USB Support
Use this option to select legacy support for USB devices. There are three
configuration options: [Enabled], [Auto] 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.
[UEFI Setup Only] - USB devices are allowed to use only under UEFI
setup and Windows / Linux OS.