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3.3.7 USB Configuration
USB Controller
Use this item to enable or disable the use of USB controller.
USB 3.0 Controller
Use this item to enable or disable the use of USB 3.0 controller. Configu-
ration options: [Auto], [Enabled] and [Disabled]. If you enable "CSM", USB
3.0 controller will be disabled when you select [Auto]. If you disable "CSM",
USB 3.0 controller will be enabled when you select [Auto].
Legacy USB Support
Use this option to select legacy support for USB devices. There are four
configuration options: [Enabled], [Auto] and [UEFI Setup Only]. The default
value is [Auto]. 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.
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