User Manual
Page 39
... to select legacy support for legacy USB. [Auto] - Legacy USB 3.0 Support Use this option to enable or disable the use under UEFI setup and Windows / Linux OS. Please refer to use of USB 2.0 controller. USB devices are not allowed to below descriptions for USB 3.0 devices.
... to select legacy support for legacy USB. [Auto] - Legacy USB 3.0 Support Use this option to enable or disable the use under UEFI setup and Windows / Linux OS. Please refer to use of USB 2.0 controller. USB devices are not allowed to below descriptions for USB 3.0 devices.