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About Your System

Front-Panel Features And Indicators

Figure 1. Front-Panel Features and Indicators

Item

Indicator, Button, or

Icon

Description

 

Connector

 

 

 

 

 

 

1

Power-on indicator, power

 

The power-on indicator lights when the system power is

 

button

 

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

 

 

 

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

 

 

 

the front and the system status indicator on the back

 

 

 

flashes until one of the buttons is pressed again.

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Dell E23S Series owner manual Front-Panel Features And Indicators, Indicator, Button, or Icon Description Connector