Dell POWEREDGE 1900 User Manual

12 About Your System
2 Power-on indicator, power
button
The power-on indicator lights when the 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.
3 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.
4 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 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.
5 LCD panel Provides system ID, status information, and system error
messages.
The LCD lights blue during normal system operation.
Both the system management software and the
identification buttons located on the front and back of
the system can cause the LCD to flash blue to identify a
particular system.
The LCD lights amber when the system needs
attention, and the LCD panel displays an error code
followed by descriptive text.
NOTE: If the system is connected to AC power and an
error has been detected, the LCD lights amber regardless
of whether the system has been powered on.
Table 1-2. Front-Panel Components (continued)
Item Component Icon Description

Dell POWEREDGE 1900 Specifications

General

Brand	Dell
Model	POWEREDGE 1900
Category	Server
Language	English

Summary

About Your System

System Access and Features

Details on accessing system features, connecting devices, and network interface indicators.

System Indicators and Overview

Describes front and back panel indicators, ports, and general system features.

System Messages and Alerts

Explains system messages, warnings, diagnostics, and alerts for status and error reporting.

Using the System Setup Program

Entering and Navigating Setup

Procedures for entering, navigating, and understanding the main screen of the system setup.

Configuration Options Overview

Details on configuring CPU, integrated devices, serial communication, and system security settings.

Password Management and Security

Covers setting, changing, and disabling system and setup passwords for security.

System Component Installation and Removal

System Access and Preparation

Tools, procedures for opening/closing the system, and bezel removal/installation.

Core Component Installation

Guides for installing/replacing power supply, fans, batteries, cooling components, and memory modules.

Storage and Expansion Devices

Procedures for installing and removing expansion cards, hard drives, tape, optical, and diskette drives.

Specialized Hardware Installation

Instructions for installing RAC cards, SAS RAID daughter cards, control panels, boot drive config, and system boards.

System Troubleshooting Guide

Initial Checks and System Basics

Safety precautions, start-up checks, and troubleshooting external connections and IRQ conflicts.

Peripheral and I/O Troubleshooting

Addresses issues with video, keyboard, mouse, serial/USB devices, and network interface controllers (NICs).

Hardware Failures and System Issues

Guides for diagnosing wet systems, physical damage, battery, power supply, cooling, and memory issues.

Storage, Expansion, and Processor Problems

Resolving problems with drives, tape units, expansion cards, SAS/RAID controllers, and microprocessors.

System Diagnostics Procedures

Diagnostics Overview and Access

Introduction to system diagnostics, features, and when to utilize them for problem identification.

Test Execution and Analysis

Steps for running diagnostics, selecting test types, customizing tests, and interpreting results.

System Board Components

Jumpers and Configuration

Location and settings for system board configuration jumpers.

Connectors and Interfaces

Description and location of various connectors on the system board.

Password Reset via Jumper

Procedure to disable forgotten system passwords using a jumper.

Support and Assistance

Obtaining Technical Support

Steps for getting technical support, including preparing information and contacting Dell.

Online Resources and Services

Accessing online resources, training, order status, product info, returns, and pre-call checklists.