SMC Networks P4B-E ASUS P4B-Emotherboard user guide, Figure 2-46Digital Audio Connector, Figure 2-45Headphone True-levelLine Out Connector

11.Headphone true-level line out connector (3-pin HPHONE) (on audio models only)

This connector connects to an optional front panel audio module using a 3-pin audio cable. If your chassis has this audio module, you can connect a headphone/speaker to the front panel connector.

HPHONE

1

P4B-E

Headphone Right

GND

Headphone Left

P4B-E True-Level Line Out Header

Figure 2-45 Headphone True-level Line Out Connector12.Digital audio connector (6-1 pin SPDIF_C) (on audio models only)

This connector connects an SPDIF audio module that allows digital instead of analog sound input/output. Connect one end of the audio cable to the SPDIF IN/OUT connector on the motherboard, and the other end to the SPDIF module.

SPDIF_C
SPDIF OUT	+5V	SPDIF IN
P4B-E		1
		SPDIF Module
		(Optional)
GND		GND

P4B-E Digital Audio Interface

Figure 2-46 Digital Audio Connector

ASUS P4B-E motherboard user guide 2-33