10 chapter 4: motherboard info, The s/pdif module is purchased separately, Digital audio connector – Asus V2-PH2 User Manual
Page 62: Spdif_out analog front panel connector aafp

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Chapter 4: Motherboard info
8. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module
that supports either HD Audio or legacy ACʼ97 audio standard.
We recommend that you connect a high-definition front panel audio
module to this connector to avail of the motherboardʼs high-definition
audio capability.
9. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface
(S/PDIF) port(s). Connect the S/PDIF module cable to this connector,
then install the module to a slot opening at the back of the system
chassis.
The S/PDIF module is purchased separately.
®
Digital Audio Connector
+5V
SPDIFOUT GND
SPDIF_OUT
Analog Front Panel Connector
AAFP
Legacy AC’97
compliant definition
Azalia
compliant definition
SENSE2_RETU
R
POR
T1 L
POR
T2 R
POR
T2 L
SENSE1_RETU
R
SENSE_SEND
POR
T1 R
PRESENCE#
GND
BLINE_OUT_L
MIC2
Line out_R
Line out_L
BLINE_OUT_R
NC
MICPWR
+5V
A
AGND
®