Supermicro SuperServer 5019C-MHN2 - Page 47

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Chapter 4: Motherboard Connections
Overheat (OH)/Fan Fail
Connect an LED cable to OH/Fan Fail connections on pins 7 and 8 of JF1 to provide warnings
for chassis overheat/fan failure. This connection will also serve as an IPMI UID indicator as
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OH/Fan Fail Indicator
Pin Denitions (JF1)
Pin# Denition
󰀨 Normal
On Overheat
Flashing Fan Fail
OH/Fan Fail LED
Pin Denitions (JF1)
Pins Denition
7 Vcc/Blue UID LED
8 OH/Fan Fail LED
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
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LAN1/LAN2 LED
Pin Denitions (JF1)
Pins Denition
9/11 +3.3V Stby
10/12 NIC Activity LED
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable here to show
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HDD LED
Pin Denitions (JF1)
Pins Denition
13 +3.3V Stby
14 HD LED