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Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. Refer to the table below for pin definitions.
Power Fail LED
The Power Fail LED connection is located on pins 15 and 16 of JF1. Refer to the table below
for pin definitions.
Fan Fail and UID LED
Connect an LED cable to pins 7 and 8 of the front control panel to use the Overheat/Fan
Fail LED connections. The LED on pin 8 provides warnings of overheat or fan failure. Refer
to the tables below for pin definitions.
OH/Fan Fail Indicator
Status
State
Definition
Off
Normal
On
Overheat
Flashing
Fan Fail
NIC1/NIC2 (LAN1/LAN2)
The NIC (Network Interface Controller) LED connection for LAN port 1 is located on pins
11 and 12 of JF1, and the LED connection for LAN Port 2 is on pins 9 and 10. Attach NIC
LED cables to NIC1 and NIC2 LED indicators to display network activities. Refer to the table
below for pin definitions.
Chapter 4: Motherboard Connections
Reset Button
Pin Definitions (JF1)
Pins
Definition
3
Reset
4
Ground
Power LED
Pin Definitions (JF1)
Pins
Definition
5
+3.3V
6
Power Fail LED
LAN1/LAN2 LED
Pin Definitions (JF1)
Pins
Definition
9/11
+3.3V
10/12
NIC Activity LED
47
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7
Blue LED
8
OH/Fan Fail LED
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