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Chapter 4: Motherboard Connections
LAN1/LAN2 LED
Pin Denitions (JF1)
Pin# Denition
9 NIC 2 Activity LED
10 3.3V Stby
11 NIC 1 Activity LED
12 3.3V Stby
HDD LED
Pin Denitions (JF1)
Pins Denition
13 3.3V Stdby
14 HDD Active
Power LED
Pin Denitions (JF1)
Pins Denition
15 3.3V
16 PWR LED
NMI Button
Pin Denitions (JF1)
Pins Denition
19 Control
20 Ground
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 LAN port 2 is on pins 9 and 10. Attach the NIC LED cables here to
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable to pin 14 to
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Refer to the table below for
NMI Button
The non-maskable interrupt (NMI) button header is located on pins 19 and 20 of JF1. Refer