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15) F_AUDIO (Front Panel Audio Header)
 
your chassis front panel audio module to this header. Make sure the wire assignments of the module
connector match the pin assignments of the motherboard header. Incorrect connection between the module
connector and the motherboard header will make the device unable to work or even damage it.
For HD Front Panel Audio: For AC'97 Front Panel Audio:
The front panel audio header supports HD audio by default.
Audio signals will be present on both of the front and back panel audio connections simultaneously.
Some chassis provide a front panel audio module that has separated connectors on each wire
instead of a single plug. For information about connecting the front panel audio module that has
different wire assignments, please contact the chassis manufacturer.
Pin No. 
1 MIC2_L
2 GND
3
4 NC
5
6 Sense
7
8 No Pin
9 LINE2_L
10 Sense
Pin No. 
1 MIC
2 GND
3 MIC Power
4 NC
5
6 NC
7 NC
8 No Pin
9
10 NC
9 1
10 2
14) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status indicator
on the chassis to this header according to the pin assignments below. Note the positive and negative pins
before connecting the cables.
System Status LED
S0 On
S3/S4/S5 Off
PW
Connects to the power switch on the chassis front panel. You may


SPEAK 
Connects to the speaker on the chassis front panel. The system reports
system startup status by issuing a beep code. One single short beep
will be heard if no problem is detected at system startup.
PLED/PWR_LED 
Connects to the power status indicator
on the chassis front panel. The LED is on
when the system is operating. The LED is
off when the system is in S3/S4 sleep state

HD 
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is
reading or writing data.
RES 
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the

CI 
Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has been
removed. This function requires a chassis with a chassis intrusion switch/sensor.
NC 
NC
NC
Power LED
G.QBOFM
1
2
19
20
CI-
CI+


PLED-

SPEAK+
SPEAK-
PLED+

Power LED
HD-

HD+

Hard Drive
Activity LED

Switch Chassis Intrusion
Header
Power Switch Speaker

The front panel design may differ by chassis. A front panel module mainly consists of power switch,

front panel module to this header, make sure the wire assignments and the pin assignments are
matched correctly.
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