Asus M3A - Manual (Page 52)

2-30 Chapter 2: Hardware information
10. Optical drive audio connector (4-pin CD)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
M3
A
®
M3A Internal audio connector
CD
Right A
udio Channel
Left A
udio Channel
Ground Ground
9. 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 SDIN0/1/2/3 Pin Config item in the BIOS setup to
[Azalia] (default). If you want to connect an AC’97 front panel audio module
to this connector, set this item to [AC97]. See section 4.4.3 Chipset for
details.
M3
A
®
M3A Analog front panel connector
AAFP
Legacy AC 97 audio
pin definition
HD Audio-compliant
pin definition
NC
MIC2
Line out_R Line out_L
NC
NC
MICPWR
NC AGND SENSE2_RETUR
POR
T1 L
POR
T2 R
POR
T2 L
SENSE1_RETUR
SENSE_SEND
POR
T1 R
PRESENCE# AGND