Supermicro SuperServer SSG-540P-E1CTR36L User Manual page 62

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.
Power LED
The Power LED connection is located on pins 15 and 16 of JF1.
NMI Button
The non-maskable interrupt button header is located on pins 19 and 20 of JF1.
Chapter 4: Motherboard Connections
HDD LED
Pin Definitions (JF1)
Pin# Definition
13 3.3V Standby/UID Switch
14 HDD Active
Power LED
Pin Definitions (JF1)
Pin# Definition
15 3.3V
16 Power LED
NMI Button
Pin Definitions (JF1)
Pin# Definition
19 Control
20 Ground
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