Refer to the audio configuration table for the function of the audio ports in 2, 4, 6
or 8-channel configuration.
Audio 2, 4, 6, or 8-channel configuration
Headset
Port
2-channel
Light Blue
Line In
Lime
Line Out
Pink
Mic In
Orange
–
Black
–
Gray
–
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 port is for pointing devices or other serial devices.
13. Optical S/PDIF Out port (yellow). This port connects an external audio
output device via a optical S/PDIF cable.
14. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
ASUS M2N68
4-channel
Line In
Front Speaker Out
Mic In
–
Rear Speaker Out
–
6-channel
Line In
Front Speaker Out
Mic In
Center/Subwoofer
Rear Speaker Ou
–
8-channel
Line In
Front Speaker Out
Mic In
Center/Subwoofer
Rear Speaker Out
Side Speaker Out
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