Asus M2N 1394 - Manual (Page 35)

ASUS MN 1394 1-25
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
4. USB connectors (10-1 pin USB56, USB78, USB 910)
These connectors are for USB .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 .0
specification that supports up to 480 Mbps connection speed.
The USB .0 module is purchased separately.
M2N 1394
®
M2N 1394 USB 2.0 connectors
USB56
NC
GND
USB_P6+ USB_P6- USB+5V
GND USB_P5+ USB_P5- USB+5V 1
USB78
NC
GND
USB_P8+ USB_P8- USB+5V
GND USB_P7+ USB_P7- USB+5V 1
5. Optical drive audio in connector (4-pin CD)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
M2N 1394
®
M2N 1394 Internal audio connector
CD
(black)
Right Audio Channel
Left Audio Channel
Ground
Ground