Dell PowerEdge 1650 Leitfaden

Dell™PowerEdge™1650SystemsInstallationandTroubleshootingGuide

Introduction

Indicators, Messages, and Codes

Finding Software Solutions

Running the System Diagnostics

TroubleshootingYourSystem

Installing System Board Options

Installing Drives

Getting Help

Jumpers and Connectors

Abbreviations and Acronyms

Notes, Notices, and Cautions

Information in this document is subject to change without notice.

©2001DellComputerCorporation.Allrightsreserved.

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, DellNet, Dell OpenManage, Dimension, Inspiron, Dell Precision, OptiPlex, Latitude, and PowerEdge are trademarks of Dell Computer

Corporation; Intel is a registered trademark of Intel Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation

disclaims any proprietary interest in trademarks and trade names other than its own.

Initial release: 19 Nov 01

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

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Jumpers and Connectors

Dell™PowerEdge™1650SystemsInstallationandTroubleshootingGuide

Jumpers—AGeneralExplanation

System Board Jumpers

System Board Connectors

SCSI Backplane Board Connectors

Disabling a Forgotten Password

This section provides specific information about the jumpers on the system board. It also provides some basic information on jumpers and switches and

describes the connectors and sockets on the various boards in the system.

Jumpers—AGeneralExplanation

Jumpers provide a convenient and reversible way of reconfiguring the circuitry on a printed circuit board. When reconfiguring the system, you may need to

change jumper settings on the system board. You may also need to change jumper settings on expansion cards or drives.

Jumpers

Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs containing a wire fit down over the pins. The wire connects

the pins and creates a circuit. To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated. FigureA-1 shows an

example of a jumper.

Figure A-1. Example Jumper



A jumper is referred to as open or unjumpered when the plug is pushed down over only one pin or if there is no plug at all. When the plug is pushed down

over two pins, the jumper is referred to as jumpered. The jumper setting is often shown in text as two numbers, such as 1-2. The number 1 is printed on the

circuit board so that you can identify each pin number based on the location of pin 1.

FigureA-2 shows the location and default settings of the jumper blocks on the system board. See TableA-1 for the designations, default settings, and

functions of the system's jumpers.

System Board Jumpers

FigureA-2 shows the location of the configuration jumpers on the system board. TableA-1 lists the jumpers.

Figure A-2. System Board Jumpers



CAUTION: Make sure the system is turned off before you change a jumper setting. Otherwise, damage to the system or unpredictable results may

occur.



System Board Connectors

See Figure6-1 and Table6-1 for the location and description of system board connectors.

SCSI Backplane Board Connectors

FigureA-3 shows the location of the connectors on the top of the SCSI backplane board.

Figure A-3. Connectors on the SCSI Backplane Board



Disabling a Forgotten Password

The system's software security features include a system password and a setup password, which are discussed in detail in "Using the System Setup Program"

in the User's Guide. A password jumper on the system board enables these password features or disables them and clears any password(s) currently in use.

To disable a forgotten system password or setup password, perform the following steps.

1. Open the system doors (see "Opening the System Doors" in "Troubleshooting Your System").

2. Refer to FigureA-2 for the location of the password jumper (labeled "PASSWD") on the system board.

3. Remove the jumper plug from the PASSWD jumper.

4. Replace the system cover, and then reconnect the system to an electrical outlet and turn it on.

The existing passwords are not disabled (erased) until the system boots with the PASSWD jumper plug removed. However, before you assign a new

system and/or setup password, you must install the jumper plug.

5. Repeat step 1.

Table A-1. System-BoardJumperSettings

Jumper

Setting

Description

PASSWD

(default)

The password feature is enabled.

The password feature is disabled.

NVRAM_CLR

(default)

The configuration settings are retained at system boot.

The configuration settings are cleared at next system boot. (If the configuration settings become corrupted to the point

where the system will not boot, install the jumper plug and boot the system. Remove the jumper before restoring the

configuration information.)

RSVD

Reserved (do not change).

jumpered unjumpered

NOTE: For the full name of an abbreviation or acronym used in this table, see "Abbreviations and Acronyms."

CAUTION: See "Protecting Against Electrostatic Discharge" in the Safety Instructions in your System Information document.

NOTE: If you assign a new system and/or setup password with the jumper plug still removed, the system disables the new password(s) the next

time it boots.

6. Install the jumper plug on the PASSWD jumper.

7. Replace the system cover, and then reconnect the system and peripherals to their electrical outlets and turn them on.

8. Assign a new system and/or setup password.

To assign a new passwords using the System Setup program, see "Assigning a System Password" in the User's Guide.

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

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Abbreviations and Acronyms

Dell™PowerEdge™1650SystemsInstallationandTroubleshootingGuide

The following list defines or identifies technical terms, abbreviations, and acronyms used in your user documents.

ampere(s)

alternating current

ACPI

Advanced Configuration and Power Interface

ADC

analog-to-digital converter

ANSI

American National Standards Institute

APIC

Advanced Peripheral Interrupt Controller

ASIC

application-specific integrated circuit

BIOS

basic input/output system

bpi

bits per inch

bps

bits per second

BTU

British thermal unit

Celsius

compact disc

CGA

color graphics adapter

centimeter(s)

cpi

characters per inch

cpl

characters per line

CPU

central processing unit

DAC

digital-to-analog converter

DAT

digital audio tape

decibel(s)

dBA

adjusted decibel(s)

direct current

DIMM

dual in-line memory module

DIN

Deutsche Industrie Norm

DIP

dual in-line package

DMA

direct memory access

DOC

Department of Communications (in Canada)

dpi

dots per inch

DRAC

Dell remote access card

DRAM

dynamic random-access memory

DS/DD

double-sided double-density

DS/HD

double-sided high-density

DSA

Dell SCSI Array

ECC

error checking and correction

EDO

extended-data out

EGA

enhanced graphics adapter

EIDE

enhanced integrated drive electronics

EMI

electromagnetic interference

EMM

expanded memory manager

EMS

Expanded Memory Specification

EPP

Enhanced Parallel Port

EPROM

erasable programmable read-only memory

ESD

electrostatic discharge

ESDI

enhanced small-device interface

ESM

embedded server management

Fahrenheit

FAT

file allocation table

FCC

Federal Communications Commission

feet

gram(s)

gravities

gigabyte(s)

GUI

graphical user interface

hertz

I/O

input/output

identification

IDE

integrated drive electronics

IRQ

interrupt request

kilo-(1024)

kilobyte(s)

KB/sec

kilobyte(s) per second

kilobit(s)

Kbps

kilobit(s) per second

kilogram(s)

kHz

kilohertz

LAN

local area network

pound(s)

LCD

liquid crystal display

LED

light-emitting diode

LIF

low insertion force

load number

lpi

lines per inch

LVD

low voltage differential

meter(s)

milliampere(s)

mAh

milliampere-hour(s)

megabyte(s)

megabit(s)

Mbps

megabit(s) per second

MBR

master boot record

MDA

monochrome display adapter

MGA

monochrome graphics adapter

MHz

megahertz

millimeter(s)

millisecond(s)

MTBF

mean time between failures

millivolt(s)

NIC

network interface controller

NiCad

nickel cadmium

NiMH

nickel-metal hydride

NMI

nonmaskable interrupt

nanosecond(s)

NTFS

NT File System

NVRAM

nonvolatile random-access memory

OTP

one-time programmable

PAL

programmable array logic

PCI

Peripheral Component Interconnect

PCMCIA

Personal Computer Memory Card International Association

PDB

power distribution board

PGA

pin grid array

POST

power-on self-test

ppm

pages per minute

PQFP

plastic quad flat pack

PS/2

Personal System/2

PXE

preboot execution environment

RAID

redundant arrays of independent disks

RAM

random-access memory

RCU

Resource Configuration Utility

REN

ringer equivalence number

RFI

radio frequency interference

RGB

red/green/blue

ROM

read-only memory

rpm

revolutions per minute

RTC

real-time clock

SCSI

small computer system interface

sec

second(s)

SEC

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