Asus V9-P8H77E - Manual (Page 58)

3-6 Chapter 3: Motherboard info
4. USB connectors (10-1 pin USB56, USB910)
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
480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB module is purchased separately.
P8H77-M PRO_DP
P8H77-M PRO_DP USB2.0 connector
USB+5V USB_P10- USB_P10+ GND NC
USB+5V USB_P9- USB_P9+
GND
USB910
PIN 1
USB+5V USB_P6- USB_P6+ GND NC
USB+5V USB_P5- USB_P5+
GND
USB56
PIN 1
5. USB 3.0 connector (20-1 pin USB3_34)
This connector is for the additional USB 3.0 ports. Connect the USB 3.0 bracket cable
to this connector, then install the USB 3.0 bracket to the rear side of the chassis. If your
chassis support customized front panel installation, with ASUS USB 3.0 header, you
can have a front panel USB 3.0 solution.
The USB 3.0 module is purchased separately.
P8H77-M PRO_DP
P8H77-M PRO_DP USB3.0 Front panel connector
USB3_34