Asus K8N - Manual (Page 28)

1-18 Chapter 1: Product introduction
Audio 2, 4, 6, or 8-channel configuration
10. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
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. Serial connector. This 9-pin COM1 port is for serial devices.
13. S/PDIF optical out port. This port connects to external audio output devices
with optical cable connectors.
14. S/PDIF coaxial out port. This port connects to external audio output devices
with coaxial cable connectors.
15. PS/2 keyboard port. This purple connector is for a PS/2 keyboard.
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
Gray - Rear Speaker Out Rear Speaker Out Rear Speaker Out
Black - - - Side Speaker Out
Orange - - Center/Subwoofer Center/Subwoofer
9. Center/Subwoofer port. This Center/Subwoofer (yellow orange) port connects
to the center/subwoofer speakers on a 6-channel or 8-channel audio
configuration.