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Front Panel Header
The front panel header (F_PANEL) provides a standard set of switch and LED headers commonly
found on ATX or Micro ATX cases. Refer to the table below for information:
Pin
Signal
Function
Pin
Signal
Function
1
VCC
5V
2
GLED0
MSG LED
3
HDD_LED
Hard disk LED
4
GLED1
MSG LED
5
GND
Ground
6
PWRSW
POWER SWITCH
7
HWRST_L
Reset
8
GND
GROUND
9
F_PANEL_DET
FRONT PANEL
DETECT
10
KEY
NO PIN
11
+5VSB
5V
12
VCC
5V
13
NC
Reserved
14
F_PANEL_LED
FRONT PANEL LED
*MSG LED (dual color or single color)
The following for integration plug structure connector.
Hard Drive Activity LED
Connecting pins 1 and 3 to a front panel mounted LED provides visual indication that data is being read from
or written to the hard drive. For the LED to function properly, an IDE drive should be connected to the onboard
IDE interface. The LED will also show activity for devices connected to the SCSI (hard drive activity LED)
connector.
Power/Sleep/Message waiting LED
Connecting pins 2 and 4 to a single or dual-color, front panel mounted LED provides power on/off, sleep, and
message waiting indication.
Reset Switch
Supporting the reset function requires connecting pin 5 and 7 to a momentary-contact switch that is normally
open. When the switch is closed, the board resets and runs POST.
Power Switch
Supporting the power on/off function requires connecting pins 6 and 8 to a momentary-contact switch that is
normally open. The switch should maintain contact for at least 50 ms to signal the power supply to switch on
or off. The time requirement is due to internal de-bounce circuitry. After receiving a power on/off signal, at
least two seconds elapses before the power supply recognizes another on/off signal.
LAN LED
Connecting pins 12 and 14 to a LAN LED provides visual indication that data is being read from or written to
the LAN drive.