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7) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, 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.
Power Switch
Power LED
PLED (Power LED, Yellow):
Connects to the power status indicator on the chassis front panel. The LED is on
System Status LED
when the system is operating. The LED is off when the system is in S3/S4 sleep
S0
On
state or powered off (S5).
S3/S4/S5
Off
PW (Power Switch, Red):
using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management," for more information).
HD (Hard Drive Activity LED, Blue):
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, Green):
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.
NC (Purple): No connection.
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 and etc. When connecting your chassis
front panel module to this header, make sure the wire assignments and the pin assignments are
matched correctly.
8) SPEAKER (Speaker Header)
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.
1
9) CI (Chassis Intrusion Header)
This motherboard provides a chassis detection feature that detects if the chassis cover has been removed.
This function requires a chassis with chassis intrusion detection design.
1
10
9
NC
PW-
RES+
PW+
RES-
PLED-
HD-
PLED+
HD+
2
1
Pin No.
1
VCC
2
NC
3
NC
4
SPK-
Pin No.
1
Signal
2
GND
- 16 -
Reset Switch
Hard Drive
Activity LED
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