Supermicro SuperServer series - Headers and Connectors

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Chapter 3: Motherboard Connections
3.2 Headers and Connectors
Front Panel Controls
Front panel controls are connected to the JF1 header on the motherboard. The JF1 pins
used are pins 1-4 and 13-16. Two four pin plugs at JF1 are cabled to one eight pin plug at
the PCB connected to the chassis power button.
Figure 3-1. JF1 Pins
NMI (Control signal)
Key
(5V standby)
(Vcc)
(Vcc)
(Vcc)
(Vcc)
(Vcc)
Reset Button (Data signal)
Power Button (Data signal)
(Ground)
Key
Power On LED (Control signal)
HDD LED (Activity signal)
NIC1 LED (Ground)
NIC2 LED (Ground)
OH/Fan Fail LED (Ground)
Power Fail LED (Ground)
(Ground)
(Ground)
2 1
20 19
Power Button
Pin Denitions (JF1)
Pin# Denition
1 Signal
2 Ground
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 congured to function as a suspend
button (with a setting in the BIOS - see Chapter 7). To turn off the power when the system
is in suspend mode, press the button for 4 seconds or longer.
Reset Button
Pin Denitions (JF1)
Pin# Denition
3 Reset
4 Ground
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.