Asus P5LD2 port, Serial, Optical, Coaxial, S/PDIF Out port, S/PDIF Out port, USB 2.0 ports 3 and, USB 2.0 ports 1 and, Rear Speaker Out port (gray)

8.Microphone port (pink). This port connects a microphone.

9.Rear Speaker Out port (gray). This port connects the rear speakers on a 4-channel, 6-channel, or 8-channel audio configuration.

Refer to the audio configuration table below for the function of the audio ports in 2, 4, 6, or 8-channel configuration.

Audio 2, 4, 6, or 8-channel configuration

Port	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
Yellow Orange	—	—	Center/Subwoofer	Center/Subwoofer

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 port. This port connects a mouse, modem, or other devices that conform with serial specification.

13.Optical S/PDIF Out port. This port connects an external audio output device via an optical S/PDIF cable.

14.Coaxial S/PDIF Out port. This port connects an external audio output device via a coaxial S/PDIF cable.

15.PS/2 keyboard port (purple). This port is for a PS/2 keyboard.

ASUS P5LD2 2-23