Asus M2N68 - Manual (Page 35)

ASUS M2N68 1-23
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.
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
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 Ou Rear Speaker Out
Gray – – – Side Speaker Out