Supermicro SuperServer SSG-631E-E1CR16H User Manual page 60

Front Panel Power LED
The Front Panel Power LED connection is located on pins 15 and 16 of JF1.
NMI Button
The non-maskable interrupt (NMI) button header is located on pins 19 and 20 of JF1.
Chapter 4: Motherboard Connections
FP Power LED
Pin Definitions (JF1)
Pins Definition
15 3.3V
16 FP PWR LED
NMI Button
Pin Definitions (JF1)
Pins Definition
19 NMI
20 Ground
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