Table 1-2. Front-Panel LED Indicators, Buttons, and Connectors

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.

 

 

 

NOTE: If you turn off the system using the

 

 

 

power button and the system is running an

 

 

 

ACPI-compliant operating system, the

 

 

 

system performs a graceful shutdown

 

 

 

before the power is turned off. If the

 

 

 

system is not running an ACPI-compliant

 

 

 

operating system, the power is turned off

 

 

 

immediately after the power button is

 

 

 

pressed.

 

 

 

 

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.

 

 

 

 

3

System identification

 

The identification buttons on the front

 

button

 

and back panels can be used to locate a

 

 

 

particular system within a rack. When

one of these buttons is pushed, the LCD panel on the front and the blue system status indicator on the back blink until one of the buttons is pushed again.

14

About Your System

Page 14
Image 14
Dell DL2000 Power button System power is on, Supply output to the system, ACPI-compliant operating system, Pressed