Asus P8P67 PRO (REV 3.1) - Manual (Page 43)

ASUS P8P67 PRO REV 3.1 2-25
Chapter 2
4. USB 3.0 connector (20-1 pin USB3_34)
This connector is for the additional USB 3.0 ports, and complies with the USB 3.0
specificaton that supports up to 480 MBps connection speed. If the USB 3.0 front panel
cable is available from your system chassis, with this USB 3.0 connector, you can have
a front panel USB 3.0 solution.
Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
5. USB 2.0 connectors (10-1 pin USB910; USB1112; USB1314)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
48 Mbps connection speed.
The USB 2.0 module is purchased separately.