WC422D8A-2T / WC422D8A-2T/U
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3.3.11 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 PS/2 Simulator. This should be enabled for the complete USB keyboard
legacy support for non-USB aware OSes.
USB 3_7 Select
Select as USB3.0 port7 enabled or Select as M_SATA_0_1 enabled.