Supermicro X11SSH-CTF - Nmi Button

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Chapter 2: Installation
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.
1. OH/Fan Fail
2. NMI
Power Button
OH/Fan Fail
NIC1 Active LED
Reset Button
HDD LED
PWR LED
Reset
PWR
3.3V
ID_UID_SW/3.3V Stby
3.3V Stby
Ground
19
X
Ground
X
3.3V Stby
3.3 V
5V Stby
20
1 2
Ground
Power Fail LED
NIC2 Active LED
NMI
1
2
NMI Button
The non-maskable interrupt button header is located on pins 19 and 20 of JF1. Refer to the
table below for pin denitions.
NMI Button
Pin Denitions (JF1)
Pins Denition
19 Control
20 Ground
OH/Fan Fail LED
Pin Denitions (JF1)
Pins Denition
7 Vcc/Blue UID LED
8 OH/Fan Fail LED
OH/Fan Fail Indicator
Status
Pin# Denition
Off Normal
On Overheat
Flashing Fan Fail