Supermicro SuperWorkstation SYS-5039A-i User Manual page 45

Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1.
Overheat (OH)/Fan Fail
Connect an LED cable to pins 7 and 8 of JF1 to use the Overheat/Fan Fail LED connections.
The LED on pin 8 provides warnings of overheat or fan failure.
OH/Fan Fail Indicator
Status
Status 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 the NIC
LED cables here to display network activity.
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
to the table below for pin definitions.
Chapter 4: Motherboard Connections
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3V
6 PWR Supply Fail
LAN1/LAN2 LED
Pin Definitions (JF1)
Pin# Definition
9 NIC2 Activity LED
10 NIC2 Link LED
11 NIC1 Activity LED
12
NIC1 Link LED
HDD LED
Pin Definitions (JF1)
Pin# Definition
13 3.3V Standby/UID Switch
14 HDD Active
45
OH/Fan Fail LED
Pin Definitions (JF1)
Pin# Definition
7 Blue LED
8 OH/Fan Fail LED