Microsoft P4X4-ALH manual CD-IN/AUX-IN Connector, WOL Wake-On-LAN Connector

	Hardware Installation
2.5.6. CD-IN/AUX-IN Connector
Connector:	CN21 (CD-IN)/CN45 (AUX-IN)
Type:	4 pin un-housed

The mainboard has one CD-IN connector and one AUX-IN connector. The CD- IN connector is used to connect the CD ROM audio out and allows the system to receive audio input from the CD ROM. The AUX-INconnector allows the system to receive signals from other audio devices like a radio or tape.

Top View of a CD/AUX-IN			Front View of a CD/AUX-IN
	Connector			Connector
			Left Channel		Right Channel
1	Left Channel CD/AUX-IN		CD-IN/		CD-IN/
2	Ground		AUX-IN		AUX-IN
3	Ground
4	Right Channel CD/AUX-IN
			Ground		Ground
2.5.7. WOL (Wake-On-LAN) Connector
Connector:		CN16 (WOL)
Type:		3 pin

The mainboard has a WOL (Wake-On-LAN) connector. This connector must be connected to a LAN card that has Wake-On-LAN (WOL) output. This connector powers up the system when a wakeup packet or signal is received through the LAN card.

In order to use the WOL LAN card to trigger the power on the PC system, the switching power supply must have the ability to provide a driving current of at least 720 mA and be connected to a “5V standby” voltage.

Top View of a WOL Connector		Front View of a WOL Connector
1	5V_SB		Ground
2	Ground	5V_SB		WOL
3	WOL
2.5.8. S/PDIF Connector (Optional)
Connector:	CN36 (S/PDIF)
Type:	4 pin un-housed

The Sony Phillips Digital Interface, S/PDIF, connector is a digital interface that can be used to improve the quality of the sound output from your system.

The P4X4-ALH Mainboard

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