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    NUC 340101wyk unable to use the USB 2.0 controller.  Need to set USB to eHCI


      I have a USB 2.0 eHCI device that is not compatible with a USB 3.0 xHCI controller.  I have connected to the USB 2.0 connector on the board, but the device manager still shows that connector on the USB 3.0 controller.  In the BIOS reference it talks about the ability to change the USB mode from xHCI to eHCI, however the setting does not exist in the latest BIOS than I am running.  What can be done to use the USB 2.0 eHCI controller on this computer?




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