Dell Dimension 8400 Uživatelský manuál

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Dell™Dimension™8400ServiceManual
Before You Begin
Opening the Computer Cover
Technical Overview
Specifications
Advanced Troubleshooting
System Setup
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 Dell Dimension Owner's Manual.
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.
©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.
Model DHM
November2004Rev.A00
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.
NOTE: Some features or services may not be available for your computer or in certain countries.
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Strany 1 - Abbreviations and Acronyms

Dell™Dimension™8400ServiceManual Before You Begin Opening the Computer Cover Technical Overview Specifications Advanced Troubleshooting System Set

Strany 2 -  Advanced Troubleshooting

Back to Contents Page  Removing and Installing Parts Dell™Dimension™8400ServiceManual Memory Cards Drives Hard Drive Front-Panel

Strany 3 - Beep Codes

 Addressing Memory With 4-GB Configurations Your computer supports a maximum of 4 GB of memory when you use four 1-GB DIMMs. Current operating syst

Strany 4 - System Messages

 5. Insert the module into the connector until the module snaps into position. If you insert the module correctly, the securing clips snap into the

Strany 5

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

Strany 6 -  Before You Begin

 7. 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

Strany 7

Removing a PCI Card  1. Follow the procedures in "Before You Begin."  2. Press the lever on the card retention arm and raise the reten

Strany 8

2. Press the lever on the card retention arm and raise the retention arm.  3. If you are installing a new card, remove the filler bracket to crea

Strany 9

 8. If you replaced a card that was already installed in the computer and you removed the top of the retention mechanism, you may reinstall the top

Strany 10 - Memory

b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to the integrated connector on the bac

Strany 11 - Installing Memory

When you install a drive, you connect two cables—a DC power cable and a data cable—to the back of the drive and to the system board. Some drives may a

Strany 12 - Cards

Back to Contents Page  Advanced Troubleshooting Dell™Dimension™8400ServiceManual Power Lights Diagnostic Lights Beep Codes System Me

Strany 13 - Installing a PCI Card

 2. Press in on the tabs on each side of the drive and slide the drive up and out.  Installing a Hard Drive  1. Unpack the replacement hard d

Strany 14

 6. Check all connectors to be certain that they are properly cabled and firmly seated.  7. Close the computer cover.  8. Connect your compu

Strany 15 - PCI Express Cards

a. Disconnect the power and the data cable from the back of the first hard drive. b. Press in the two rail tabs and pull the first hard drive out

Strany 16

4. From the outside of the computer, pull the insert away from the computer's front panel.  5. Remove the insert from the insert frame by pre

Strany 17

 3. Press inward on the two tabs on the sides of the drive, slide the drive upward, and then remove it from the floppy-drive bay.  Installing

Strany 18 - Drives

 8. Connect your computer and devices to their electrical outlets, and turn them on. See the documentation that came with the drive for instruction

Strany 19 - Removing a Hard Drive

Installing a CD/DVD Drive  1. If you are installing a new drive, unpack the drive and prepare it for installation. Check the documentation that acc

Strany 20 - Installing a Hard Drive

Airflow Shroud  Removing the Airflow Shroud   1. Follow the procedures in "Before You Begin."  2. Disconnect the cooling fan power

Strany 21 - Adding a Second Hard Drive

b. On the retention base locate the tab opposite the power supply. Press on the retention base tab until the heat sink pops up slightly. c. Pres

Strany 22 - Front-Panel Inserts

 5. To remove the processor from the socket, lift the processor vertically in one motion. Leave the release lever extended in the release positio

Strany 23 - Floppy Drive

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

Strany 24 - Installing a Floppy Drive

6. Pivot the socket release lever back toward the socket and snap it into place to secure the processor. If you installed a processor replacement ki

Strany 25 - CD/DVD Drive

2. Open the computer cover.  3. Remove any components that restrict access to the system board.  4. Disconnect all cables from the system boar

Strany 26 - Installing a CD/DVD Drive

9. Connect your computer and devices to electrical outlets, and turn them on. Power Supply  Removing the Power Supply   1. Follow the procedure

Strany 27 - Processor

 7. Connect your computer and devices to electrical outlets, and turn them on. Battery  Replacing the Battery  A coin-cell battery maintains co

Strany 28

Back to Contents Page  Specifications Dell™Dimension™8400ServiceManual  Processor Processor type Intel®Pentium®4 with HT Technology  NOTE:

Strany 29 - Installing the Processor

x16 slot bidirectional speed — 8 GB/s   PCI  connector three connector size 120 pins connector data width (maximum) 32 bits   PCI Express  conne

Strany 30 - System Board

Back to Contents Page  orange light — A good connection exists between a 100-Mbps network and the computer. yellow light — A good connection exists b

Strany 31 - Replacing the System Board

Back to Contents Page  System Setup Dell™Dimension™8400ServiceManual Overview Entering System Setup System Setup Screens System Setu

Strany 32 - Power Supply

NOTE: If you insert a boot device and restart the computer, this option appears in the system setup menu. To boot from a USB memory device, select the

Strany 33 - Battery

Boot Sequence This feature allows you to change the boot sequence for devices.  Option Settings l Diskette Drive — The computer attempts to boot f

Strany 34 -  Specifications

System Messages  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

Strany 35

4. Press the spacebar to enable or disable a device (enabled devices have a checkmark).  5. Press plus (+) or minus (–) to move a selected device

Strany 36

a. Locate the 3-pin CMOS jumper (CLR CMOS) on the system board. b. Remove the jumper plug from pins 2 and 3. c. Place the jumper plug on pins 1

Strany 37 -  System Setup

Back to Contents Page  Technical Overview Dell™Dimension™8400ServiceManual Inside Your Computer System Board Components Power Supply DC

Strany 38

Power Supply DC Connector Pin Assignments  DC Power Connector P1

Strany 39 - Boot Sequence

 DC Power Connector P2  DC Power Connectors, P3 and P5  Pin Number  Signal name  Color  Wire Gauge 1 +3.3 VDC Orange 16-AWG 2 +3.3 VDC O

Strany 40 - Clearing CMOS Settings

 DC Power Connector P4  DC Power Connector P6  DC Power Connector P7  DC Power Connectors, P8 and P9 2 COM Black 3 +5 VDC Red 4 COM Bl

Strany 41

 DC Power Connector P10 Back to Contents Page  1 +12 VB DC White 2 COM Black 3 COM Black 4 +5V DC Red  Pin Number  Signal Name  18-AWG Wire 1

Strany 42 -  Technical Overview

Back to Contents Page Dell™Dimension™8400SystemsServiceManual Notes, Notices, and Cautions Abbreviations and Acronyms For a complete list of

Strany 43 - DC Power Connector P1

Back to Contents Page  CMOS Time and Date Not Set Diskette Boot Failure Drive A or B is present but has failed the BIOS POST. Ensure that the drive i

Strany 44 - DC Power Connector P2

Back to Contents Page  Before You Begin Dell™Dimension™8400ServiceManual Getting Started Recommended Tools Turning Off Your Computer 

Strany 45 - DC Power Connector P7

 2. Disconnect any telephone or telecommunication lines from the computer.  3. Disconnect your computer and all attached devices from their elect

Strany 46 - DC Power Connector P10

Back to Contents Page  Opening the Computer Cover Dell™Dimension™8400ServiceManual    1. Follow the procedures in "Before You Begin.&q

Strany 47 - Abbreviations and Acronyms

Back to Contents Page  Closing the Computer Cover Dell™Dimension™8400ServiceManual   1. Ensure that all cables are connected, and fold cable

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