User Manual
Page 69
... and [UEFI Setup Only]. 3.4.9 USB Configuration USB 2.0 Controller Use this item to enable or disable the use under UEFI setup and Windows / Linux OS. There are connected. [Disabled] - USB devices are allowed to use of USB 2.0 controller. If you have USB compatibility issues, it is selected. The default ...value is [Enabled]. 69 Legacy USB 3.0 Support Use this option to enter OS. [UEFI Setup Only]...
... and [UEFI Setup Only]. 3.4.9 USB Configuration USB 2.0 Controller Use this item to enable or disable the use under UEFI setup and Windows / Linux OS. There are connected. [Disabled] - USB devices are allowed to use of USB 2.0 controller. If you have USB compatibility issues, it is selected. The default ...value is [Enabled]. 69 Legacy USB 3.0 Support Use this option to enter OS. [UEFI Setup Only]...