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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
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