Asus P8H77-I - Manual (Page 36)

1-26 Chapter 1: Product introduction
1.10.2 Internal connectors
1. 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. Connect one end of the front panel
audio I/O module cable to this connector.
• 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.
• If you want to connect a high-definition front panel audio module to this connector, set
the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an AC'97
front panel audio module to this connector, set the item to [AC97]. By default, this
connector is set to [HD]. See section 2.5.6 Onboard Devices Configuration for details.
2. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out 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.
P8H77-
I
P8H77-I Front panel audio connector
AAFP
PIN 1
AGND NC 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
MICPW
R
Line out_
R
NC
Line out_
L
Legacy AC’97
compliant definition
P8H7
7-
I
P8H77-I Digital audio connector
SPDIF_OUT
+5
V
SPDIFOU
T
GND