Asus M3N78-EM - Page 44

1-32 Chapter 1: Product introduction
11. 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 Denition Audio or 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-denition front panel audio module
to this connector to avail of the motherboard high-denition audio capability.
• If you want to connect a high-denition 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 AC`97 front panel audio module to this
connector, set the item to [AC97]. See page 2-29 for details.
R
M3N78-EM
M3N78-EM Azalia Analog Front Panel Connector
HP_HD
MIC2_L
HP_R
HP_L
MIC2_JD
Jack_Sense
MIC2_R
PRESENSE#
AGND
AAFP
Legacy AC’97-compliant
pin definition
NC
MIC2_L
Line out_R
Line out_L
NC
NC
MIC2_R
NC
AGND
Azalia-compliant
pin definition
12. Chassis intrusion connector (4-1 pin CHASSIS)
This connector is for a chassis-mounted intrusion detection sensor or switch.
Connect one end of the chassis intrusion sensor or switch cable to this
connector. The chassis intrusion sensor or switch sends a high-level signal to
this connector when a chassis component is removed or replaced. The signal
is then generated as a chassis intrusion event.
By default , the pin labeled “Chassis Signal” and “Ground” are shorted with
a jumper cap. Remove the jumper caps only when you intend to use the
chassis intrusion detection feature.
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M3N78-EM
M3N78-EM Intrusion Connector
CHASSIS
+5VSB_MB Chassis Signal GND
(Default)