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Chapter 5: Advanced Motherboard Setup
5-13
Overheat/Fan Fail LED
Connect an LED to the OH connection
on pins 7 and 8 of JF1 to provide ad-
vanced warning of chassis overheat-
ing. Refer to the table on the right for
pin defi nitions and status indicators.
NIC1 LED
The NIC1 (Network Interface Control-
ler) LED connection is located on pins
11 and 12 of JF1. Attach the NIC1
LED cable to display network activity.
Refer to the table on the right for pin
defi nitions.
NIC2 LED
The NIC2 (Network Interface Control-
ler) LED connection is located on pins
9 and 10 of JF1. Attach the NIC2
LED cable to display network activity.
Refer to the table on the right for pin
defi nitions.
OH/Fan Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
7 Vcc
8 Control
NIC1 LED
Pin Defi nitions (JF1)
Pin# Defi nition
11 Vcc
12 NIC1 Active
NIC2 LED
Pin Defi nitions (JF1)
Pin# Defi nition
9 Vcc
10 NIC2 Active
OH/Fan Fail
LED Status
State Indication
Solid Overheat
Blinking Fan fail
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 defi ni-
tions. This feature is only available
for systems with redundant power
supplies.
Power Fail LED
Pin Defi nitions (JF1)
Pin# Defi nition
5 Vcc
6 Control
Reset Button
The Reset Button connection is lo-
cated on pins 3 and 4 of JF1. Attach
it to the hardware reset switch on the
computer case. Refer to the table on
the right for pin defi nitions.
Reset Button
Pin Defi nitions (JF1)
Pin# Defi nition
3 Reset
4 Ground