Supermicro X11SSQ - Page 43

43
Chapter 2: Installation
OH/Fan Fail LED
Pin Denitions (JF1)
Pin# Denition
7 +3.3V
8 OH/Fan Fail LED
Overheat (OH)/Fan Fail
Connect an LED cable to OH/Fan Fail connections on pins 7 and 8 of JF1 to provide warnings
for chassis overheat/fan failure. Refer to the table below for pin denitions.
OH/Fan Fail Indicator
Status
State Denition
Off Normal
On Overheat
Flashing Fan Fail
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 4). To turn off the power in the suspend
mode, press the button for at least 4 seconds. Refer to the table below for pin denitions.
Power Button
Pin Denitions (JF1)
Pin# Denition
1 Signal
2 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 to reset the system. Refer to the table below for pin denitions.
Reset Button
Pin Denitions (JF1)
Pin# Denition
3 Reset
4 Ground
1. Reset Button
2. PWR Button
3. OH/Fan Fail
Power Button
OH/Fan Fail LED
1
NIC1 Activity LE
D
Reset Button
2
HDD LED
Power LED
Re
set
PWR
3.3V Stby
3.3V
3.3V Stby
3.3V
Ground
Ground
X
X
NIC2 Activity LE
D
3.3V Stby
15 16
1
2
3