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Overheat/Fan Fail LED
Connect an LED to the OH/Fan Fail
LED connection on pins 7 and 8 of
JF1 to provide advanced warning
of chassis overheating and fan
failure.
Refer to the table on the
right for pin definitions.
Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF1.
Refer to the table on the right for
pin definitions.
SMB
PW3
PWR
PW1
8-pin
PWR2
GLAN1
Battery
GLAN2
64- bit
64- bit
WOL
Power LED
OH/Fan Fail LED
Power Fail LED
Clr CMOS
2-11
Chapter 2: Installation
OH/Fan Fail LED
Pin Definitions
Pin
Number
Definition
7
Vcc
8
GND
Overheat/Fan Fail
LED
LED State
Message
Off
Normal
On
Overheat
Blink
Fan Fail
Power Fail LED Pin
Definitions
Pin
Number
Definition
5
Vcc
6
GND
Health LED
PWR Fail LED
20
19
Ground
X
Vcc
HDD LED
Vcc
NIC1 LED
Vcc
NIC2 LED
Vcc
Vcc
Reset
Ground
Ground
Pwr
2
1
NMI
X
Vcc
Reset Button
Power Button
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