Asus P5KPL - Manual (Page 40)

1-28 Chapter 1: Product introduction
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
9. Coaxial S/PDIF Out port. This port connects an external audio output device
via an optical S/PDIF cable.
10. Serial port. This 9-pin COM1 port is for pointing devices or other serial
devices.
11. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
Audio 2, 4, or 6-channel configuration
Light Blue Line In Surround Out Surround Out
Lime green Line Out Front Speaker Out Front Speaker Out
Pink Mic In Mic Center/Bass
Port Headset 4-speaker 6-speaker
2-speaker
Refer to the audio configuration table below for the function of the audio ports in
2, 4, or 6-channel configuration.