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 Denition Audio or AC`97 audio standard. Connect one end of the front
panel audio I/O module cable to this connector.
P7H55-M LX/USB3
P7H55-M LX/USB3 front panel audio connector
AAFP
PIN 1
GND
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
MIC2
MICPWR
Line out_R
NC
Line out_L
Legacy AC’97
compliant definition
If you want to connect a high-denition front panel audio module to this connector, ensure
that the Front Panel Type item in the BIOS is set to [HD Audio]. If you want to connect an
AC97 front panel audio module to this connector, set the item to [AC97]. See section 2.4.3
Onboard Devices Conguration for details.
8. Speaker connector (4-pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
P7H55-M LX/USB3
P7H55-M LX/USB3 Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
Chapter 1: Product introduction1-13