Manual
Page 32
... going to be treated. This should be enabled for full legacy support for USB keyboards/mice in MS-DOS or in MS-DOS. (Default: Enabled) && USB3.0 Support (Etron EJ168 USB Controllers) Enables or disables the Etron EJ168 USB 3.0 controllers. (Default: Enabled) && XHCI Hand-off Determines whether to enable XHCI Hand-off...
... going to be treated. This should be enabled for full legacy support for USB keyboards/mice in MS-DOS or in MS-DOS. (Default: Enabled) && USB3.0 Support (Etron EJ168 USB Controllers) Enables or disables the Etron EJ168 USB 3.0 controllers. (Default: Enabled) && XHCI Hand-off Determines whether to enable XHCI Hand-off...