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Dell Dimension 4700 Series Service Manual
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Dell Dimension 4700 Series Service Manual

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Dell Dimension 4700 Series Service Manual
Before You Begin
Getting Started
Recommended Tools
Turning Off Your Computer
Before Working Inside Your Computer
Removing the Computer Cover
Technical Overview
Inside View of Your Computer
System Board Components
Power Supply DC Connector Pin Assignments
Technical Specifications
Advanced Troubleshooting
Power Lights
Diagnostic Lights
Beep Codes
System Messages
System Setup
Overview
Entering System Setup
System Setup Screens
System Setup Options
Clearing Forgotten Passwords
Clearing CMOS Settings
Removing and Installing Parts
Memory
Cards
Front Panel
Drives
Hard Drive
Floppy Drive
CD/DVD Drive
Processor
Fan Assembly
System Board
Power Supply
Battery
Replacing the Computer Cover
Replacing the Computer Cover
Notes, Notices, and Cautions
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.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the Dell Dimension Help file.  If you purchased a Dell™ 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, Inspiron, Dell Precision, Dimension, OptiPlex, Latitude, PowerEdge, PowerVault, PowerApp, and Dell OpenManage are trademarks of Dell
Inc.; Intel, Pentium, and Celeron 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 DMC
June 2004 Rev. A00

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  • Page 1: Abbreviations And Acronyms

    Inc.; Intel, Pentium, and Celeron 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.

  • Page 2: Power Lights

     If the problem still exists, install a graphics card that you know works and restart the computer.  If the problem persists or the computer has integrated graphics, contact Dell (see your Owner's Manual).

  • Page 3: Beep Codes

    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.

  • Page 4: System Messages

    C: Drive Failure The cache memory is not See "Contacting Dell" in your Owner's Cache Memory operating. Manual for instructions on obtaining Bad, Do Not technical assistance. Enable Cache An error is occurring on the See "Contacting Dell"...
  • Page 5 An interrupt channel on the The keyboard or system board may need INTR1 Error system board failed to POST. to be replaced. INTR2 Error The operating system cannot Enter the system setup program and Invalid Boot be located on drive A or drive confirm that drive A or drive C is properly Diskette identified.

  • Page 6: Before You Begin

    Hold a component such as a processor by its edges, not by its pins. 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.
  • Page 7   2. Disconnect any telephone or telecommunication lines from the computer.   3. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.  ...

  • Page 8: Replacing The Computer Cover

    Back to Contents Page   Replacing the Computer Cover Dell Dimension 4700 Series Service Manual   Replacing the Computer Cover  Replacing the Computer Cover   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

  • Page 9: Removing The Computer Cover

    Back to Contents Page   Removing the Computer Cover Dell Dimension 4700 Series Service Manual   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

  • Page 10: Removing And Installing Parts

     Memory You can increase your computer memory by installing memory modules on the system board. Your Dell Dimension computer supports DDR2 memory. For additional information on the type of memory supported by your computer, see "Memory."   DDR2 Memory Overview DDR2 memory modules should be installed in pairs of matched memory size, speed, and technology.

  • Page 11: Addressing Memory With 4-Gb Configurations

    If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module.

  • Page 12: Removing Memory

    To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis. Your Dell computer provides the following slots for PCI and PCI Express cards:  Two PCI card slots  One PCI Express x16 card slot...

  • Page 13: Installing A Pci Card

    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 PCI Card." If you are replacing a card, remove the current driver for the card from the operating system. If you are installing or replacing a PCI Express card, see "Installing a PCI Express Card."...

  • Page 14: Removing A Pci Card

      5. 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 the Owner's Manual). NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer.

  • Page 15: Installing A Pci Express Card

    9. If you removed an add-in network connector: a.  Enter system setup, select Network Controller, and then change the setting to On. b.  Connect the network cable to the integrated connector on the computer back panel.   PCI Express Cards Your computer supports one PCI Express x16 card and one PCI Express x1 card.
  • Page 16   4. 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.   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.

  • Page 17: Removing A Pci Express Card

      6. 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 the Owner's Manual). NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer.

  • Page 18: Removing The Front-Panel Insert

    Removing the Front Panel   1. Follow the procedures in "Before You Begin."   Remove the computer cover.   3. Release and remove the front panel: a.  If your computer has a release lever, push the release lever to release the top tab. b.

  • Page 19: Drives

      2. Rotate the front panel until it snaps onto the front of the computer.  Drives Your computer supports a combination of these devices:  Up to two hard drives  One optional floppy  Up to two CD or DVD drives   General Installation Guidelines Connect serial ATA hard drives to the system board connectors labeled SATA-0 or SATA-2.

  • Page 20: Removing A Hard Drive

    When connecting and disconnecting a serial ATA cable, hold the cable by the connector at each end. NOTE: The system board serial ATA connector may have an attached cover or shroud.   Power Cable Connector  Hard Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.  ...

  • Page 21: Installing A Hard Drive

      3. If you are replacing the hard drive, remove the drive from the bracket: a.  Remove the hard drive-securing screws. b.  Remove the hard drive from the bracket.   Installing a Hard Drive   1. Unpack the replacement hard drive, and prepare it for installation.  ...

  • Page 22: Adding A Second Hard Drive

    See the documentation for your operating system for instructions.   15. Test the hard drive by running the Dell Diagnostics (see the Owner's Manual).   16. If the drive you just installed is the primary drive, install your operating system on the hard drive.
  • Page 23 NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer. NOTICE: When you unpack the drive, do not set it on a hard surface, which may damage the drive. Instead, set the drive on a soft surface, such as a foam pad, that will sufficiently cushion it.

  • Page 24: Removing A Floppy Drive

     Floppy Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.  ...

  • Page 25: Cd/Dvd Drive

      Enter system setup and update the appropriate Diskette Drive option.   12. Verify that your computer works correctly by running the Dell Diagnostics (see the Owner's Manual).  CD/DVD Drive   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

  • Page 26: Removing A Cd/Dvd Drive

    Removing a CD/DVD Drive   1. Disconnect the power, audio, and CD/DVD drive cables from the back of the drive and from the system board.   2. Remove the CD/DVD drive securing screw.   3. Slide the drive forward and remove it from the drive bay.  ...

  • Page 27: Adding A Second Cd Or Dvd Drive

      Enter system setup and select the appropriate Drive option.   13. Verify that your computer works correctly by running Dell Diagnostics (see the Owner's Manual).   Adding a Second CD or DVD Drive   1. Ensure that the jumper setting on the new drive is set for "cable select" (see the documentation that came with the drive for information).

  • Page 28: Removing The Processor

    Removing the Processor NOTICE: Do not perform the following steps unless you are familiar with hardware removal and replacement. Performing these steps incorrectly could damage your system board. For technical service, see "Contacting Dell" in the Owner's Manual.   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
  • Page 29   CAUTION: The heat sink can get very hot during normal operation. Be sure that the heat sink has had sufficient time to cool before you touch it.   5. Remove the heat sink: a.  Remove the retention module clips. Press the tabs toward the center of the clip and lift up.  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.

  • Page 30: Installing The Processor

    NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade kit from Dell, reuse the original heat sink and blower when you install your new processor.

  • Page 31: Removing The Fan Assembly

    If you are not installing a processor upgrade kit from Dell, reuse the original heat sink assembly when you replace the processor. If you installed a processor replacement kit from Dell, return the original heat sink assembly and processor to Dell in the same package in which your replacement kit was sent.

  • Page 32: Replacing The Fan Assembly

    4. Lift up the airflow shroud.   5. Disconnect the fan power cable from its connector on the system board.   6. Pull the fan release lever away from the back of the computer and slide the fan toward the release lever.  ...

  • Page 33: Removing The System Board

    Removing the System Board   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.   CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.  ...

  • Page 34: Removing The Power Supply

    Set the jumpers on the replacement system board so that they are identical to the ones on the existing board.   3. Place the system board inside the computer frame, place the heat-sink base on the system board, and then replace the screws that you removed in step 8 of the preceding procedure.

  • Page 35: Replacing The Power Supply

      Replacing the Power Supply   1. Slide the power supply into place.   2. Replace the four screws that secure the power supply to the back of the computer.   Reinstall the fan assembly.   4. Reconnect the DC power cables to the drives and system board.  ...
  • Page 36 Replace the computer cover. NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.   7. Connect your computer and devices to electrical outlets, and turn them on.   Enter system setup and restore the settings you recorded in step 1.

  • Page 37: Technical Specifications

    Back to Contents Page   Technical Specifications Dell Dimension 4700 Series Service Manual   Processor Processor type ® Intel® Pentium 4 processor 520, 530, 540, 550, 560, or 570 with HT Technology Intel Pentium 4 that runs at 2.8, 3.0, 3.2, 3.4, 3.6, and 3.8 GHz internally and 800 MHz externally...
  • Page 38 x16 slot bidirectional speed - 8 GB/s       connectors connector size 120 pins connector data width (maximum) 32 bits     PCI Express   connector one PCI Express x1 connector size 36 pins connector data width (maximum) 1 PCI Express lane  ...
  • Page 39 power problem (see "Power Lights"). Hard-drive access light green Link integrity light (on integrated network adapter) green light - A good connection exists between a 10- Mbps network and the computer. orange light - A good connection exists between a 100-Mbps network and the computer.

  • Page 40: Entering System Setup

    1. Turn on (or restart) your computer.   2. When the blue DELL logo appears, press <F2> immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer (see the Owner's Manual) and try again.

  • Page 41: System Setup Options

     System Setup Options NOTE: Depending on your computer and installed devices, the items listed in this section may not appear, or may not appear exactly as listed. System Identifies whether the computer's processor supports Hyper-Threading and lists the processor bus speed, processor ID, clock speed, and CPU Info L2 cache.

  • Page 42: Option Settings

    This feature does not work if you turn off your computer using a power strip or surge protector. Sets time to automatically turn on the computer. Time is kept in a 24-hour format (hours:minutes). Change the start-up time by pressing the right- or left-arrow key to increase or decrease Auto Power Time the numbers, or type numbers in both the date and time fields.

  • Page 43: Changing Boot Sequence For Future Boots

    NOTE: To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device documentation.   Changing Boot Sequence for Future Boots   1. Enter system setup.   2. Use the arrow keys to highlight the Boot Sequence menu option and press <Enter> to access the menu. NOTE: Write down your current boot sequence in case you want to restore it.

  • Page 44: Clearing Cmos Settings

     Clearing CMOS Settings   CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in your Product Information Guide.   1. Follow the procedures in "Before You Begin."   2. Reset the current CMOS settings: a.

  • Page 45: Technical Overview

    Back to Contents Page   Technical Overview Dell Dimension 4700 Series Service Manual   Inside View of Your Computer   System Board Components   Power Supply DC Connector Pin Assignments  Inside View of Your Computer   CAUTION: Before you begin any of the procedures in this section, see the safety instructions located in the Product Information Guide.

  • Page 46: Power Supply Dc Connector Pin Assignments

     Power Supply DC Connector Pin Assignments The 305-W power supply can operate from an AC power source of 115 VAC or 230 VAC at 50 - 60 Hz. The power supply provides the DC operating voltages  and currents listed in the following table.       Output Voltage Minimum Current (A) Maximum Current (A) +5 VDC 22.0 +3.3 VDC 17.0...

  • Page 47: Dc Power Connector P1

    +12A VDC 18.0 +12B VDC 18.0 -12 VDC +5 VFP Maximum continuous total DC output cannot exceed 305 W. Maximum continuous combined load on +5-VDC and +3.3-VDC outputs cannot exceed 150 W. In system applications where +3.3 VDC is not used, these values may be 0 A without affecting the regulation of the other outputs.

  • Page 48: Dc Power Connector P4

          Pin Number Signal Name 18-AWG Wire Color Black Black +12 VDC Yellow +12 VDC Yellow   DC Power Connectors P8 and P9       Pin Number Signal Name 18-AWG Wire Color +12B VDC White Black Black +5 VDC  ...

  • Page 49: Dc Power Connector P6

    DC Power Connector P6       Pin Number Signal Name 18-AWG Wire Color +12A VDC Yellow Black Black +5 VDC   DC Power Connector P7       Pin Number Signal Name 22-AWG Wire Color +5 VDC Black Black +12A VDC Yellow Back to Contents Page...

  • Page 50: Notes, Notices, And Cautions

    Inc.; Intel, Pentium, and Celeron 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.

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