Front-Panel Features and Indicators

Figure 1-1. Front-Panel Features and Indicators

 

 

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Item

Indicator, Button, or

Icon

Description

 

Connector

 

 

 

 

 

 

1

Power-on indicator/

 

The power-on indicator lights when the

 

power button

 

system power is on.

 

 

 

The power button controls the DC

 

 

 

power supply output to the system.

 

 

 

When the system bezel is installed, the

 

 

 

power button is not accessible.

 

 

 

NOTE: When powering on the system, the

 

 

 

video monitor can take from several

 

 

 

seconds to over 2 minutes to display an

 

 

 

image, depending on the amount of

 

 

 

memory installed in 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 using 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.

14

About Your System

Page 12
Image 12
Dell R210 owner manual Front-Panel Features and Indicators, NMI button Used to troubleshoot software