3-6
Chapter 3: Motherboard info
4. 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 AC’97 audio standard.
• We recommend that you connect a high-definition front panel audio
module to this connector to avail of the motherboard’s 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 Type
item in the BIOS to [HD Audio]. See section “4.4.3 Chipset” for
details.
5. Digital Audio connector (4-1 pin SPDIF_OUT)
This connector is for the S/PDIF audio module to allow digital sound output.
Connect one end of the S/PDIF audio cable to this connector and the other
end to the S/PDIF module.
The S/PDIF out module is purchased separately.
P7H55-M
P7H55-M Analog front panel connector
AAFP
PIN 1
GN
D
PRESENCE#
SENSE1_RETUR
SENSE2_RETUR
PORT1
L
PORT1
R
PORT2
R
SENSE_SEN
D
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
P7H55-M
P7H55-M Digital audio connector
SPDIF_OUT
+5
V
SPDIFOU
T
GND