Asus P5N73-AM - Manual (Page 44)

1-32 Chapter 1: Product introduction
8. Optical drive audio connector (4-pin CD)
This connector allows you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
Enable the CD-IN function in the audio utility when using this connector.
9. USB connectors (10-1 pin USB56, USB78)
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.
P5N73-AM
R
P5N73-AM Internal Audio Connector
CD
(black)
Right
Audio Channel
Lef
tA
udio Channel
Ground Ground
P5N73-AM
R
P5N73-AM USB 2.0 Connectors