Asus MAXIMUS IX FORMULA Manual page 39

4. USB 2.0 connector (10-1 pin USB1314)
This connector is for USB 2.0 port. Connect the USB module cable to this connector,
then install the module to a slot opening at the back of the system chassis. This
USB connector complies with USB 2.0 specification that supports up to 480 MBps
connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
1 x USB 2.0 port (USB1314) at mid-board shares pins with ROG extension (ROG_EXT)
port.
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