M4a77d digital audio connector, M4a77d analog front panel connector – Asus M4A77D User Manual
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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
Device 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
M4A77D
M4A77D Digital audio connector
M4A77D
M4A77D Analog front panel connector
AAFP
PIN 1
GN
D
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
MIC
2
MICPWR
Line out_
R
NC
Line out_L
Legacy AC’97
compliant definition
ASUS M4A77D
1-27