User's Manual

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Hardware Installation
The front panel design may differ by chassis. A front panel module mainly consists of power switch,
reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis
front panel module to this header, make sure the wire assignments and the pin assignments are
matched correctly.
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.
• PW (Power Switch):
 Connectstothepowerswitchonthechassisfrontpanel.Youmaycongurethewaytoturnoffyour
system using the power switch (refer to Chapter 2, "BIOS Setup," "Settings\Platform Power," for more
information).
• SPEAK (Speaker):
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.
• HD (Hard Drive Activity LED):
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 (Reset Switch):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer
ifthecomputerfreezesandfailstoperformanormalrestart.
• CI (Chassis Intrusion Header):
 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: No connection.
• PLED/PWR_LED (Power LED):
System Status LED
S0 On
S3/S4/S5 Off
Power LED
DEBUG
PORT
G.QBOFM
1
2
19
20
CI-
CI+
PWR_LED+
PLED-
PW- SPEAK+ SPEAK-
PLED+
PW+
HD-
RES+
HD+
RES-
Hard Drive
Activity LED
Reset
Switch
Chassis Intrusion
Header
Power Switch Speaker
PWR_LED- PWR_LED-
Power LED
NC NC
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 or powered off (S5).