51
Chapter 4: Motherboard Connections
Control Panel
JF1 contains header pins for various buttons and indicators that are normally located on a
control panel at the front of the chassis. These connectors are designed specifically for use
with Supermicro chassis. See the figure below for the descriptions of the front control panel
buttons and LED indicators.
Reset Button
Pin Definitions (JF1)
Pin#
Definition
3
Reset
4
Ground
Power Button
Pin Definitions (JF1)
Pin#
Definition
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 configured to function as a
suspend button (with a setting in the BIOS - see Chapter 4). To turn off the power when the
system is in suspend mode, press the button for four 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 LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin definitions.
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5
3.3V
6
Power Fail LED