Supermicro AS-4124GS-TNR - Page 49

49
Chapter 4: Motherboard Connections
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 the NIC
LED cables here to display network activity.
LAN1/LAN2 LED
Pin Denitions (JF1)
Pin# Denition
9 NIC2 LED+
10 NIC2 LED-
11 NIC1 LED+
12
NIC1 LED-
HDD LED/UID Switch
The HDD LED/UID Switch connection is located on pins 13 and 14 of JF1. Attach a cable to
Pin 14 to show hard drive activity status. Attach a cable to Pin 13 to use UID switch. Refer

HDD LED
Pin Denitions (JF1)
Pin# Denition
13 HDD LED+/UID Switch+
14 HDD LED-
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Attach a cable to Pin 15 and

Power LED
Pin Denitions (JF1)
Pin# Denition
15 Power LED+
16 Power LED-
NMI Switch
The non-maskable interrupt switch header is located on pins 19 and 20 of JF1. Attach it to a
hardware NMI switch on the computer case to trigger the NMI. Refer to the table below for

NMI Switch
Pin Denitions (JF1)
Pin# Denition
19 NMI Switch
20 Ground