1-22 Chapter 1: Product introduction
Audio 2, 4, 6, or 8-channel conguration
11. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
12. IEEE 1394a port. This 6-pin IEEE 1394a port provides high-speed connectivity for
audio/video devices, storage peripherals, PCs, or portable devices.
13. External SATA port. This port connect to an external Serial ATA hard disk drive.
14. Optical S/PDIF Out port. This port connects an external audio output device via an
optical S/PDIF cable.
15. COM port. This 9-pin COM1 port is for pointing devices or other serial devices.
16. 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. Insufcient 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, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_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