Supermicro A3SEV-2C-LN4 User Manual page 30

Super A3SEV-2C/4C-LN4 User's Manual
Overheat (OH)/Fan Fail
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 overheating or fan failure.
Refer to the tables below for pin definitions.
OH/Fan Fail Indicator
Status
State
Off
On
Flashing
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
display network activity. Refer to the table below for pin definitions.
Power Button
Reset Button
3.3V Stby
3.3V Stby
3.3V Stby
Definition
Normal
Overheat
Fan Fail
NIC1/NIC2 LED
Pin Definitions (JF1)
Pin# Definition
9 3.3V Stby
10 NIC 2 Link LED
11 3.3V Stby
12 NIC 1 Link LED
1 2
Ground
Ground
X X
OH/Fan Fail LED
3.3V
NIC2 Active LED
NIC1 Active LED
HDD LED
3.3V
PWR LED
15 16
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7 3.3V
8 OH/Fan Fail LED
1
3
2
30
1. Overheat/Fan Fail
2. NIC1/NIC2 LED