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2-30 Chapter 2: Hardware information
10. 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.
R
P5B
P5B Chassis Intrusion Connector
CHASSIS
+5VSB_MB
Chassis Signal
GND
(Default)
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 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‑denition front panel audio module
to this connector to avail of the motherboard’s high‑denition audio capability.
•
By default, this connector is set to AC’97. If you want to connect a High
Denition front panel audio module to this connector, set the Front Panel
Support Type item in the BIOS setup to [HD Audio]. See section 4.4.5
Onboard Device Conguration for details.
R
P5B
P5B Front Panel Audio Connector
HP_HD
MIC2_L
HP_R
HP_L
MIC2_JD
Jack_Sense
MIC2_R
PRESENSE#
AGND
AAFP
Legacy AC’97-complian
t
pin definition
NC
MIC2_L
Line out_R
Line out_L
NC
NC
MIC2_R
NC
AGND
Azalia-compliant
pin definition