Asus M2N DH - Manual (Page 48)

2-2 Chapter 2: Hardware information
5. USB connectors (10-1 pin USB56, USB78, USB910 [for M2N model only])
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!
Connect one end of the USB cable to the ASUS Q-Connector first before
connecting to the USB connector onboard.
R
M2N/M2N DH USB 2.0 Connectors
USB910
USB+5V USB_P10- USB_P10+ GND NC
USB+5V USB_P9- USB_P9+
GND
1
USB56
USB+5V GND NC
USB+5V USB_P5
-
USB_P5
+
GND
USB_P6
-
USB_P6
+
1
USB78
USB+5V GND NC
USB+5V USB_P7- USB_P7+
GND
USB_P
8
-
USB_P
8+
1
6. Optical drive audio connector (4-pin CD)
This connector allows you to receive stereo audio input from an optical drive
such as DVD or CD-ROM.
R
M2N/M2N DH Internal Audio Connector
CD
(black)
Right Audio Channel
Left Audio Channel
Ground
Ground
The USB module is purchased separately.