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M4a77t/usb3 digital audio connector, M4a77t/usb3 front panel audio connector – Asus M4A77T/USB3 User Manual

Page 34

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6.

Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.

Ensure that the audio device of Sound playback is VIA High Definition Audio (the name

may be different based on the OS). Go to Start > Control Panel > Sounds and Audio

Devices > Sound Playback to configure the setting.

The S/PDIF module is purchased separately.

• We recommend that you connect a high-definition front panel audio module to this

connector to avail of the motherboard high-definition audio capability.

• If you want to connect a high definition front panel audio module to this connector, set

the Front Panel Select item in the BIOS to [HD Audio]. See section 2.4.4 Onboard

Devices Configuration for details.

• The front panel audio I/O module is purchased separately.

7.

Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports

either High Definition Audio or AC`97 audio standard. Connect one end of the front

panel audio I/O module cable to this connector.

SPDIF_OUT

+5

V

SPDIFOU

T

GND

M4A77T/USB3

M4A77T/USB3 Digital audio connector

M4A77T/USB3

M4A77T/USB3 Front panel audio connector

AAFP

PIN 1

GND
PRESENCE#
SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R
PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

PIN 1

AGND
NC
NC

NC

MIC2

MICPWR

Line out_R

NC

Line out_L

Legacy AC’97

compliant definition

Chapter 1: Product introduction

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