Asus M3N78-EM Manual page 44

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 Definition Audio or AC`97 audio standard. Connect one
end of the front panel audio I/O module cable to this connector.
M3N78-EM Azalia Analog Front Panel Connector
•
•
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.
M3N78-EM Intrusion Connector
1-32
R
M3N78-EM
We recommend that you connect a high-definition front panel audio module
to this connector to avail of the motherboard high-definition audio capability.
If you want to connect a high-definition 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
connector, set the item to [AC97]. See page 2-29 for details.
R
M3N78-EM
Azalia-compliant
pin definition
AAFP
AC`97
front panel audio module to this
CHASSIS
(Default)
Chapter 1: Product introduction
Legacy AC'97-compliant
pin definition