Specifications

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3.3.7 USB Conguration
USB Controller
Use this item to enable or disable the use of USB controller.
Intel USB 3.0 Mode
Use this item to enable or disable the use of Intel USB 3.0 mode.
Legacy USB Support
Use this option to select legacy support for USB devices. There are four configuration
options: [Enabled], [Auto], [Disabled] and [UEFI Setup Only]. e default value is [Enabled].
Please refer to below descriptions for the details of these four options:
Option Description
Enabled Enables support for legacy USB.
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.
Auto Enables legacy support if USB devices are connected.
UEFI Setup Only SB devices are allowed to use only under UEFI setup and Windows
/ Linux OS.
Legacy USB 3.0 Support
Use this option to enable or disable legacy support for USB 3.0 devices. e default value is
[Enabled].