Dell PowerEdge R720 Owner's Manual download pdf (Page 8)

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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Dell PowerEdge R720 Owner's Manual Page 8