Jetway Computer NF9Q - Manual (Page 41)

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3-8 Chipset Menu
 PCH-IO Configuration
Press [Enter] to make settings for the following sub-items:
 USB Configuration
Press [Enter] to further setting USB device configuration.
USB Configuration
XHCI Mode
Use this item to select mode of operation for XHCI controller.
The optional settings are: [Smart Auto]; [Auto]; [Enabled]; [Disabled]; [Manual].
*When set as [Disabled], the following sub-items shall appear:
EHCI1/EHCI2
Use this item to control the USB EHCI (USB 2.0) functions.