Dell Dimension 8300 Series Manual de usuario

Dell™Dimension™8300Series

Before You Begin

Turning Off Your Computer

Opening the Computer Cover

Technical Overview

Technical Specifications

Advanced Troubleshooting

System Setup Program

Removing and Installing Parts

Closing the Computer Cover

Notes, Notices, and Cautions



Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the Tell Me How help file.



IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft®Windows®operating systems are not applicable.

Information in this document is subject to change without notice.

©2003–2004DellInc.Allrightsreserved.

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

Trademarks used in this text: Dell, the DELL logo, and Dimension are trademarks of Dell Inc.; Intel and Pentium are registered trademarks 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 Inc. disclaims any

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

March2004Rev.A03

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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Advanced Troubleshooting

Dell™Dimension™8300SeriesServiceManual

Diagnostic Lights

Beep Codes

System Messages

Diagnostic Lights

To help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C," and "D." These lights can be yellow or

green. When the computer starts normally, the lights flash. After the computer starts, all four lights will display solid green. If the computer malfunctions, the

color and sequence of the lights identify the problem.



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.

Light Pattern

Problem Description

Suggested Resolution



The computer is in a normal

off condition or a possible

pre-BIOS failure has

occurred.

Verify that the computer is plugged into a working electrical outlet and that you have pressed the power

button.



Memory modules are

detected, but a memory

failure has occurred.

lIf you have one memory module installed, reinstall the module and restart the computer.

lIf you have two or more memory modules installed, remove the modules, reinstall one module,

and then restart the computer. If the computer starts normally, reinstall an additional module.

Continue until you have identified a faulty module or reinstalled all modules without error.

lIf available, install properly working memory of the same type into your computer.

lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical

assistance.



A possible expansion card

failure has occurred.

1. Determine if a conflict exists by removing a card (not the video card) and then restarting the

computer.

2. If the problem persists, reinstall the card that you removed, remove a different card, and then

restart the computer.

3. Repeat this process for each card. If the computer starts normally, troubleshoot the last card

removed from the computer for resource conflicts (see "Resolving Software and Hardware

Incompatibilities" in your Owner's Manual).

4. If the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical

assistance.



A possible video card failure

has occurred.

lIf the computer has a video card, remove the card and reinstall it, and restart the computer.

lIf the problem still exists, install a video card that you know works and restart the computer.

lIf the problem persists or the computer has integrated video, contact Dell. See "Contacting Dell" in

your Owner's Manual for technical assistance.



A possible floppy or hard

drive failure has occurred.

Reseat all power and data cables and restart the computer.



A possible USB failure has

occurred.

Reinstall all USB devices, check cable connections, and then restart the computer.



No memory modules are

detected.

lReinstall all memory modules and restart the computer.

lTo eliminate the possibility of a faulty memory connector, remove all memory modules, reinstall one

memory module (if the computer supports a single module), and then restart the computer. If the

computer starts normally, move the memory module to a different connector and restart the

computer. Continue until you have identified a faulty connector or reinstalled all modules without

error.



Memory modules are

detected, but a memory

configuration or compatibility

error exists.

lEnsure that there are no special memory module/memory connector placement requirements.

lVerify that the memory modules that you are installing are compatible with your computer.

lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical

assistance.



Other failure has occurred.

lEnsure that the cables are properly connected from the hard drive, CD drive, and DVD drive to the

system board.

Beep Codes

Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of beeps, called a beep code,

identifies a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the

computer encountered a memory problem.

Reseating the memory modules may fix the beep code errors in the following table. If the problem persists, see "Contacting Dell" in your Owner's Manual for

instructions on obtaining technical assistance. 

If you hear one of the following beep codes, see "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.



System Messages



lIf the problem persists, contact Dell. See "Contacting Dell" in your Owner's Manual for technical

assistance.

lIf there is an error message on your screen identifying a problem with a device (such as the floppy

drive or hard drive), check the device to ensure that it is functioning properly.

lThe operating system is attempting to boot from a device (such as the floppy drive or hard drive);

see "System Setup Screens" to ensure that the boot sequence is correct for the devices installed

on your computer.



The computer is in a normal

operating condition after

POST.

None.

Code

Cause

1-3-1 through 2-4-4

Memory not being properly identified or used

4-3-1

Memory failure above address 0FFFFh

Code

Cause

1-1-2

Microprocessor register failure

1-1-3

NVRAM

1-1-4

ROM BIOS checksum failure

1-2-1

Programmable interval timer

1-2-2

DMA initialization failure

1-2-3

DMA page register read/write failure

3-1-1

Slave DMA register failure

3-1-2

Master DMA register failure

3-1-3

Master interrupt mask register failure

3-1-4

Slave interrupt mask register failure

3-2-2

Interrupt vector loading failure

3-2-4

Keyboard Controller Test failure

3-3-1

NVRAM power loss

3-3-2

NVRAM configuration

3-3-4

Video Memory Test failure

3-4-1

Screen initialization failure

3-4-2

Screen retrace failure

3-4-3

Search for video ROM failure

4-2-1

No time tick

4-2-2

Shutdown failure

4-2-3

Gate A20 failure

4-2-4

Unexpected interrupt in protected mode

4-3-3

Timer-chip counter 2 failure

4-3-4

Time-of-day clock stopped

4-4-1

Serial or parallel port test failure

4-4-4

Cache test failure

NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running

when the message appeared.



Back to Contents Page



Message

Possible Cause

Corrective Action

8042 Gate-A20 error

The keyboard controller failed its test.

If you receive this message after you make changes in the system setup

program, enter the program and restore the original value(s).

Address Line Short!

An error in the address decoding circuitry in the

memory has occurred.

Reseat the memory modules.

C: Drive Error

C: Drive Failure

The hard drive is not working or is not configured

correctly.

Ensure that the drive is installed correctly in the computer and defined

correctly in the system setup program.

Cache Memory Bad, Do

Not Enable Cache

The cache memory is not operating.

See "Contacting Dell" in your Owner's Manual for instructions on obtaining

technical assistance.

CH-2 Timer Error

An error is occurring on the timer on the system

board.

See "Contacting Dell" in your Owner's Manual for instructions on obtaining

technical assistance.

CMOS Battery State

Low

CMOS Checksum Failure

CMOS System Options

Not Set

CMOS Display Type

Mismatch

CMOS Memory Size

Mismatch

CMOS Time and Date

Not Set

The system configuration information in the system

setup program is incorrect or the battery charge

may be low.

Enter the system setup program, verify the system configuration, and then

restart the computer.

Diskette Boot Failure

Drive A or B is present but has failed the BIOS POST.

Ensure that the drive is installed correctly in the computer and defined

correctly in the system setup program. Check the interface cable at both

ends.

DMA Error

DMA 1 Error

DMA 2 Error

Error in the DMA controller on the system board.

The keyboard or system board may need to be replaced.

FDD Controller

Failure

HDD Controller

Failure

The BIOS cannot communicate with the floppy drive

or hard drive controller.

Ensure that the floppy drive or the hard drive is installed correctly in the

computer and defined correctly in the system setup program. Check the

interface cable at both ends.

INTR1 Error

INTR2 Error

An interrupt channel on the system board failed to

POST.

The keyboard or system board may need to be replaced.

Invalid Boot Diskette

The operating system cannot be located on drive A

or drive C.

Enter the system setup program and confirm that drive A or drive C is

properly identified.

Keyboard Error

The BIOS has detected a stuck key.

Ensure that nothing is resting on the keyboard; if a key appears to be stuck,

carefully pry it up. If the problem persists, you may need to replace the

keyboard.

KB/Interface Error

An error occurred with the keyboard connector.

Ensure that nothing is resting on the keyboard; if a key appears to be stuck,

carefully pry it up. If the problem persists, you may need to replace the

keyboard.

No ROM Basic

The operating system cannot be located on drive A

or drive C.

Enter the system setup program and confirm that drive A or drive C is

properly identified.

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Battery

Dell™Dimension™8300SeriesServiceManual



A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.

If you have to repeatedly reset time and date information after turning on the computer, replace the battery.



To replace the battery:

1. Record all the screens in the system setup program so that you can restore the correct settings in step12.

2. Shut down the computer through the Start menu.

3. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, turn them off now.



4. Turn off any attached devices and disconnect them from their electrical outlets.

5. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.



6. Open the computer cover.



7. Locate the battery socket on the system board.



8. Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver.

9. Insert the new battery into the socket with the side labeled "+" facing up, and snap the battery into place.



10. Close the computer cover.



11. Connect your computer and devices to electrical outlets, and turn them on.

12. Enter the system setup program and restore the settings you recorded in step1.

13. Properly dispose of the old battery. See the safety instructions in your Owner's Manual.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.

CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the

manufacturer. Discard used batteries according to the manufacturer's instructions.

NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the network wall jack.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the

computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is

inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off

the socket or by breaking circuit traces on the system board.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

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

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Before You Begin

Dell™Dimension™8300SeriesServiceManual

Getting Started

Recommended Tools

Shutting Down Your Computer

Getting Started

This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the

following conditions exist:

lYou have performed the steps in "Shutting Down Your Computer."

lYou have read the safety information in your Owner’s Manual.

Recommended Tools

The procedures in this document may require the following tools:

lSmall flat-blade screwdriver

lPhillips screwdriver

lFlash BIOS update program floppy disk or CD

Shutting Down Your Computer

Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety.

1. Shut down the computer.

2. Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, press and hold the power button for 4 seconds.



3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

5. Remove the computer stand, if it is attached.

6. Open the computer cover.

Back to Contents Page



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual.

NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not

covered by your warranty.

CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal

mounting bracket. Hold a component such as a microprocessor by its edges, not by its pins.

NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with

locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep

them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and

aligned.

NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the

computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.

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Cards

Dell™Dimension™8300SeriesServiceManual

PCI Cards

AGP Cards

PCI Cards



YourDell™computerprovidesslotsforuptofour32-bit, 33-MHz cards.

If you are installing or replacing a card, follow the procedures in the next section. If you are removing but not replacing a card, see "Removing a Card."

Installing a PCI Card



1. If you are replacing a card, remove the current driver for the card from the operating system.

2. Shut down the computer through the Start menu.

3. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, turn them off now.



4. Disconnect any telephone or telecommunication lines from the computer.

5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.



6. Open the computer cover.

7. Press the lever on the card retention arm and raise the retention arm.



8. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step10.

9. If you are replacing a card that is already installed in the computer, remove the card.

If necessary, disconnect any cables connected to the card. Grasp the card by its top corners, and ease it out of its connector.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in your Owner's Manual.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in your Owner's Manual.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

10. Prepare the card for installation.

See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your

computer.



11. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.

If the card is full-length, insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board. Insert

the card firmly into the card connector on the system board.



12. Before you lower the retention arm, ensure that:

lThe tops of all cards and filler brackets are flush with the alignment bar.

lThe notch in the top of the card or filler bracket fits around the alignment guide.

Press the arm into place, securing the card(s) in the computer.



13. Connect any cables that should be attached to the card.

See the documentation for the card for information about the card's cable connections.



14. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.

15. Install any drivers required for the card as described in the card documentation.

CAUTION: Some network adapters automatically start the computer when they are connected to a network. To guard against electrical shock, be

sure to unplug your computer from its electrical outlet before installing any cards. Verify that the standby power light on the system board is off.

NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or

cause damage to the equipment.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

Removing a PCI Card



1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, turn them off now.



3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.



5. Open the computer cover.

6. Press the lever on the card retention arm and raise the retention arm.

7. If necessary, disconnect any cables connected to the card.

8. Grasp the card by its top corners, and ease it out of its connector.

9. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.

If you need a filler bracket, contact Dell. See "Contacting Dell" in your Owner's Manual for technical assistance

10. Lower the retention arm and press it into place, securing the card(s) in the computer.



11. Close the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.

12. Remove the card's driver from the operating system.

AGP Cards



Your Dell computer provides a connector for an AGP card.

1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut

down your computer, turn them off now.



3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.



5. Open the computer cover.

Removing an AGP Card

1. Remove the filler bracket by raising the hinged lever and sliding the bracket up.

2. Press the card lever toward the PCI connector.

3. Pull the card up and out of the card clip.



CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

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