Nmi Button - Supermicro X11SAA/A2SAV/-2C/-L User Manual

NMI Button

The non-maskable interrupt button header is located on pins 19 and 20. See the table below
for pin definitions.
Fan Fail
Connect an LED cable to Fan Fail connections on pins 7 and 8 of JF1 to provide warnings
for chassis overheat/fan failure. See the table below for pin definitions.
Fan Fail Indicator
Status
Pin# Definition
Off Normal
Flashing Fan Fail
Power Button
Reset Button
3.3V Stby
3.3V Stby
1
NMI Button
Pin Definitions (JF1)
Pins Definition
19 Control
20 Ground
1 2
Ground
PWR
Reset Ground
X X
Fan Fail LED
3.3V
NIC2 Activity LED
NIC1 Activity LED
HDD LED
3.3V
3.3V Power LED
X X
Ground
NMI
19 20
31
Chapter 2: Installation
Fan Fail LED
Pin Definitions (JF1)
Pins Definition
7 Vcc/Blue UID LED
8 Fan Fail LED
1. NMI Button
2. Fan Fail
2