Dell PowerEdge R720 Owner's Manual - Page 9

About Your System, Front-Panel Features And Indicators - drivers

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1 About Your System Front-Panel Features And Indicators Figure 1. Front-Panel Features and Indicators (3.5 Inch Chassis)-PowerEdge R720 Figure 2. Front-Panel Features and Indicators (2.5 Inch Chassis)-PowerEdge R720 Item Indicator, Button, or Icon Description Connector 1 Power-on indicator, power button The power-on indicator lights when the system power is on. The power button controls the power supply output to the system. NOTE: On ACPI-compliant operating systems, turning off the system using the power button causes the system to perform a graceful shutdown before power to the system is turned off. 2 NMI button 3 System identification button Used to troubleshoot software and device driver errors when running certain operating systems. This button can be pressed using the end of a paper clip. Use this button only if directed to do so by qualified support personnel or by the operating system's documentation. The identification buttons on the front and back panels can be used to locate a particular system within a rack. When one of these buttons is pressed, the LCD panel on 9

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1
About Your System
Front-Panel Features And Indicators
Figure 1. Front-Panel Features and Indicators (3.5 Inch Chassis)—PowerEdge R720
Figure 2. Front-Panel Features and Indicators (2.5 Inch Chassis)—PowerEdge R720
Item
Indicator, Button, or
Connector
Icon
Description
1
Power-on indicator, power
button
The power-on indicator lights when the system power is
on. The power button controls the power supply output to
the system.
NOTE:
On ACPI-compliant operating systems, turning
off the system using the power button causes the
system to perform a graceful shutdown before power
to the system is turned off.
2
NMI button
Used to troubleshoot software and device driver errors
when running certain operating systems. This button can
be pressed using the end of a paper clip.
Use this button only if directed to do so by qualified
support personnel or by the operating system's
documentation.
3
System identification button
The identification buttons on the front and back panels
can be used to locate a particular system within a rack.
When one of these buttons is pressed, the LCD panel on
9