User’s Manual

1-22 Chapter 1: Product introduction
Audio 2, 4, 6, or 8-channel conguration
10. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
11. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
12. COM port.
This 9-pin COM1 port is for pointing devices or other serial devices.
13. Optical S/PDIF Out port. This port connects an external audio output device via an
optical S/PDIF cable.
14. USB 2.0 ports 5 and 6. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
Only the CPU fan supports the ASUS Q-FAN feature.
1.10.2 Internal connectors
1. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350 mA~2000 mA (24 W max.) or a total of
1 A~3.48 A (41.76 W max.) at +12V. Connect the fan cables to the fan connectors on
the motherboard, ensuring that the black wire of each cable matches the ground pin of
the connector.
Port Headset 2-channel 4-channel 6-channel 8-channel
Light Blue Line In Line in Line in Line in
Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Mic in Mic in
Orange - - Center/Subwoofer Center/Subwoofer
Black - Rear Speaker Out Rear Speaker Out Rear Speaker Out
Gray - - - Side Speaker Out