Usb Configuration - ASROCK Beebox-S Series User Manual

4.4.6 USB Configuration

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.
PS/2 Simulator
Enable this item for the complete USB keyboard legacy support for non-USB aware
operating system.
Third Party USB 3.1 Controller
Enable or disable all of the USB 3.1 ports controlled by Third Party chips.
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