M3n78 se digital audio connector, M3n78 se analog front panel connector, Front panel audio connector (10-1 pin aafp) – Asus M3N78 SE User Manual
Page 34: Aafp, Digital audio connector (4-1 pin spdif_out)

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Chapter 1: Product introduction
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.
M3N78 SE
M3N78 SE Analog front panel connector
AAFP
PIN 1
GN
D
PRESENCE#
SENSE1_RETUR
SENSE2_RETUR
PORT1
L
PORT1
R
PORT2
R
SENSE_SEND
PORT1
L
HD-audio-compliant
pin definition
PIN 1
AGND
NC
NC
NC
MIC
2
MICPWR
Line out_
R
NC
Line out_L
Legacy AC’97
compliant definition
•
We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard high-definition audio capability.
•
By default, this connector is set to [HD Audio]. 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 “2.4.3 Chipset” for details.
8.
Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s).
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.
SPDIF_OUT
+5
V
SPDIFOU
T
GND
M3N78 SE
M3N78 SE Digital audio connector