Supermicro SuperServer SYS-521E-WR User Manual page 68

Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both
pins will power on/off the system. This button can also be configured to function as a suspend
button (with a setting in the BIOS). To turn off the power when the system is in suspend
mode, press the button for 4 seconds or longer. Refer to the table below for pin definitions.
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. Refer to the table below for pin definitions.
Power Fail
The Power Fail LED connection is located at pins 5 and 6. Refer to the table below for pin
definitions.
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.
Chapter 4: Motherboard Connections
Power Button
Pin Definitions (JF1)
Pin# Definition
1 Signal
2 Ground
Reset Button
Pin Definitions (JF1)
Pin# Definition
3 Reset
4 Ground
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3V
6 Power Fail LED
LAN1/LAN2 LED
Pin Definitions (JF1)
Pin# Definition
9 NIC 2 Activity LED
11 NIC 1 Activity LED
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