ASROCK P85 Pro3 - USB Configuration

P85 Pro3
63
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4.4.8 USB Conguration
USB Controller
Enable or disable all the USB 2.0 ports.
USB 3.0 Controller
Enable or disable all the USB 3.0 ports.
Legacy USB Support
Enable or disable Legacy OS Support for USB 2.0 devices. If you encounter USB
compatibility issues it is recommended to disable legacy USB support. Select UEFI
Setup Only to support USB devices under the UEFI setup and Windows/Linux
operating systems only.
Legacy USB 3.0 Support
Enable or disable Legacy OS Support for USB 3.0 devices.