Asus M3N78-AM - Manual (Page 43)

ASUS M3N78-AM 1-31
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 High Definition Audio or AC`97 audio standard. Connect one
end of the front panel audio I/O module cable to this connector.
If you want to connect a high-definition front panel audio module to this
connector, ensure that the Front Panel Select item in the BIOS is set to [HD
Audio]. If you want to connect an AC`97 front panel audio module to this
connector, set the item to [AC97]. See page 2-29 for details.
M3N78-AM
M3N78-AM Analog front panel connector
AAFP
PIN 1
GN
D
PRESENCE# SENSE1_RETUR SENSE2_RETUR
PORT1
L
PORT1
R
PORT2
R
SENSE_SEND
PORT1
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
We recommend that you connect a high-definition front panel audio module to
this connector to avail of the motherboard high-definition audio capability.
9. Speaker connector (4-pin SPEAKER)
This 4-pin connector is for the chasis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
M3N78-AM
+5
V
GN
D
GN
D
Speaker Ou
t
SPEAKER
PIN 1
M3N78-AM Speaker Out Connector