Chapter 2: Installation
2-11
Overheat/Fan Fail LED
Connect an LED to the OH/Fan Fail
connection on pins 7 and 8 of JF1
to provide advanced warning of
chassis overheating. Refer to the
table on the right for pin defini-
tions.
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.
Overheat/Fan Fail
LED Pin Definitions
(JF1)
Pin
Number
7
8
Definition
Vcc
GND
Power Fail LED Pin
Definitions
(JF1)
Pin
Number
5
6
Definition
Vcc
GND
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Power Button
Overheat LED
1
NIC1 LED
Reset Button
2
Power Fail LED
HDD LED
Power LED
Reset
Pwr
Vcc
Vcc
Vcc
Vcc
Ground
Ground
19
20
Vcc
X
Ground
NMI
X
x
x
OH LED
PWR Fail LED
Overheat/Fan Fail
LED
State
Solid
Blink
Message
Overheat
Fan Fail
