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Dell DimensionL Series Reference

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Dell™ Dimension™ L Series Reference
Conventions
Technical Overview
Controls and Indicators
Drivers
System Codes and Messages
System Setup Program
Technical Specifications
Removing and Replacing Parts
Documentation
Information in this document is subject to change without notice.
© 1999–2001 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 and Dimension are trademarks of Dell Computer Corporation; Microsoft, Windows, MS-DOS, and Windows NT are registered trademarks of
Microsoft Corporation; Intel and Pentium are registered trademarks and Celeron is a trademark of Intel Corporation; VESA is a registered trademark of Video Electronics
Standards Association; Adobe is a trademark of Adobe Systems Incorporated, which may be registered in certain jurisdictions.
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.
A09 26 Jul 2001
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Summary of Contents for Dell DimensionL Series

  • Page 1 Standards Association; Adobe is a trademark of Adobe Systems Incorporated, which may be registered in certain jurisdictions. 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.

  • Page 2: Diagnostic Codes

    If the problem persists, see Chapter 7, "Getting Help," of the Dell Dimension L Series Reference and Troubleshooting Guide for instructions on obtaining technical assistance. Remove all expansion cards. If the ...

  • Page 3: Post Beep Codes

    and save the setting. Turn off the computer, reset the configuration jumper to Normal mode, and then restart the system. If the problem persists, see Chapter 7, "Getting Help," of the Reference and Troubleshooting Guide for instructions on obtaining technical assistance.

  • Page 4: System Messages

    If the system emits a beep code and then fails to start, write down the beep code and look it up in Table 2. Table 2. System Beep Codes Beep Code Possible Cause Corrective Action Memory refresh failure Reseat the DIMMs.  ...
  • Page 5 CMOS Time and Date Not Set Diskette Boot Drive A or B is present but has failed the BIOS Ensure that the drive is installed correctly in the chassis and Failure POST. defined correctly in the system setup program. Check the interface cable at both ends.
  • Page 6 Back to Contents Page Controls and Indicators: Dell™ Dimension™ L Series Reference Front Panel Back Panel Front Panel 1 Diskette-drive access indicator — Lights up when a diskette drive is being accessed. 2 Power — Turns the computer on and off. Lights up when the computer is on. Press and hold for 4 seconds to shut down.

  • Page 7: Notes, Notices, And Cautions

    Back to Contents Page Conventions: Dell™ Dimension™ L Series Reference Notes, Notices, and Cautions Typographical Conventions The following subsections describe notational conventions used in this document. Notes, Notices, and Cautions Throughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. These blocks are notes, notices, and cautions, and they are used as follows: NOTE: A NOTE indicates important information that helps you make better use of your computer system.

  • Page 9: Printed Documentation

    1. Click the Start button on the Windows desktop, point to Programs, and then click Windows Explorer. 2. Navigate to the directory in which you saved the Help file. 3. Double-click the file LSerHelp.chm to access the Dell Dimension L Series System Help. Back to Contents Page...
  • Page 10 Device problems can often be corrected by reinstalling the appropriate drivers. Also, hardware manufacturers frequently provide updated drivers that support feature enhancements or that correct problems. Obtain updated drivers for products purchased from Dell at the support section of the Dell World Wide Web site (http://support.dell.com).
  • Page 11 Intel 800 Series Chip Set Driver Dell installed the Intel 800 Series Chip Set driver for the Microsoft Windows 98 operating system on your hard-disk drive. No further installation or configuration is required. If you ever need to reinstall this driver, perform the following steps.
  • Page 12 The file is named nnnnnnnn.exe, where nnnnnnnn is an eight-digit part number. 10. Follow the instructions on the screen, and accept all defaults. 11. When you are prompted to restart your system to complete the installation, remove the Dell Dimension ResourceCD from the CD-ROM or DVD-ROM drive, and then click Finish.
  • Page 13 The file is named nnnnnnnn.exe, where nnnnnnnn is an eight-digit part number. 10. Follow the instructions on the screen, and accept all defaults. 11. When you are prompted to restart your system to complete the installation, remove the Dell Dimension ResourceCD from the CD-ROM or DVD-ROM drive, and then click Finish.
  • Page 14 11. Click Next to start the driver installation, or click Quit to exit the installation process. 12. When prompted to restart your system to complete the installation, remove the Dell Dimension ResourceCD from the CD-ROM or DVD- ROM drive and then click Finish.
  • Page 15 When the Microsoft Windows 2000 operating system is installed, the audio drivers are automatically installed. If you need to reinstall the audio drivers, you must reinstall Windows 2000. Intel 82559 Fast Ethernet LAN on Motherboard NIC Driver Dell installed the Intel 82559 Fast Ethernet LAN on Motherboard NIC driver on your hard-disk drive. No further installation or configuration is needed.  If you ever need to reinstall this driver, see the appropriate procedure for the Microsoft Windows Windows...
  • Page 16 4. Double-click setup.exe. 5. Follow the instructions on the screen, and accept all defaults. 6. When prompted to restart your system to complete the installation, remove the Dell Solutions CD from the CD-ROM or DVD-ROM drive, and then click Finish.

  • Page 17: Precautionary Measures

    Back to Contents Page Removing and Replacing Parts: Dell™ Dimension™ L Series Reference Overview Hard-Disk Drive Precautionary Measures Power Supply and Fan Assembly Recommended Tools Control Panel Cover Expansion Cards Rotating the Power Supply DIMMs Bezel Heat Sink 3.5-Inch Front Panel Insert Microprocessor Upper 3.5-Inch Drive Battery Lower 3.5-Inch Diskette Drive System Board 5.25-Inch Drive...

  • Page 18: Rotating The Power Supply

    Wide flat-blade screwdriver #1 and #2 Phillips-head screwdrivers 1/4-inch nut driver Tweezers or long-nose pliers Wrist grounding strap Cover 1 Release latch 2 Computer cover To remove the computer cover, perform the following steps. NOTICE: To avoid inadvertently damaging the system board, be sure you that disconnect the system from the electrical outlet, disconnect the power cable from the back of the chassis, and press the power button before removing the computer cover.
  • Page 19 1 Release latch 2 Power supply 3 Cable retainer Remove the computer cover. 2. Lay the computer on its side. 3. Press the release latch while lifting the power supply. Rotate the power supply out of the chassis while keeping the power cables clear. 4.
  • Page 20 1 Bezel release tab 2 Retaining hooks To remove the bezel, perform the following steps: Remove the computer cover. 2. While facing the front of the computer, press in the bezel release tab the top of the chassis. 3. Swing the bezel away from the chassis, disengage the two retaining hooks at the bottom of the bezel, and carefully pull it away from the chassis.

  • Page 21: Inch Drive

    1 Drive bay plate To remove the upper 3.5-inch drive plate and install a new drive, perform the following steps: Remove the bezel. Remove the 3.5-inch front panel insert. Rotate the power supply away from the system board. While holding the power supply, place the computer in the upright position. 4.

  • Page 22: Hard Disk Drive

    1 Drive-release rail tabs (2) To remove the 5.25-inch drive, perform the following steps: Remove the bezel. Rotate the power supply away from the system board. 3. While holding the power supply, place the computer in the upright position. 4. Disconnect the power and interface cables from the back of the drive. 5.

  • Page 23: Control Panel

    3. Secure the drive to the front of the chassis with the two screws you removed. 4. Connect the power supply cable and the hard-disk drive interface cable to the new drive. Power Supply and Fan Assembly 1 Power-supply retaining clips 2 Power supply and fan assembly To remove the power supply and fan assembly, perform the following steps: 1.

  • Page 24: Expansion Cards

    Expansion Cards 1 Card-edge connector 2 Expansion card 3 Expansion-card connector 4 Expansion-card mounting bracket and screw To install an expansion card, perform the following steps: Remove the computer cover. Rotate the power supply. 3. Choose an expansion-card connector for the card. 4.
  • Page 25 1 Securing clips (2) 2 Cutout To install a DIMM, perform the following steps: Remove the computer cover. Rotate the power supply. 3. Press outward on the securing clips at each end of the DIMM socket to release the clips (step 1 in the preceding figure). 4.
  • Page 26 9. Replace the heat sink and fan assembly by performing the following steps: NOTICE: When you install the heat sink and fan assembly, make sure that the heat sink is flat against the surface of the processor while you are installing the clip. If the heat sink becomes tilted when you install the clip, excess heat can damage the processor. a.

  • Page 27: System Board

    2. Rotate the power supply back into place, replace the computer cover, and reconnect your computer and devices to their electrical outlets and turn them on. 3. Reboot the computer system, press when the blue Dell logo screen appears to enter the system setup program, and restore the correct settings.
  • Page 28 1 System-board retaining clip 2 System board 3 Standoffs 1. If possible, enter the system setup program and print the system setup screens by pressing the key before you turn off the computer because you will have to restore the configuration information after the system board is replaced. Remove the computer cover.
  • Page 29 Re-enter the system setup program, and reset the system configuration information. Back to Contents Page...

  • Page 30: System Information

    Environmental Drives Regulatory Notices Ports IRQ Assignments Video Default Dell-Installed Expansion Card Placement Audio Microprocessor Microprocessor type Intel® Pentium® III microprocessor that runs at 500, 550, or 600 MHz internally and 100 MHz Dimension Lxxxr externally, or a Pentium III processor that runs at 600, 667, 733, 800, 866, or 933 MHz, or 1 GHz internally and 133 MHz externally, or 1.1 GHz internally and 100 MHz externally...

  • Page 31: Expansion Bus

    Lxxxcxe Expansion Bus Bus type PCI (version 2.2) Bus speed 33 MHz Expansion-card connectors supports four three-quarter-length PCI expansion cards Expansion-card connector size 120 pins Expansion-card connector data width (maximum) 32 bits Memory Architecture non-ECC SDRAM 168-pin modules DIMM sockets two;...
  • Page 32 Internally accessible Primary EIDE 40-pin connector on PCI bus Secondary EIDE 40-pin connector on PCI bus Diskette drive 34-pin connector Present only on systems with integrated audio and network capabilities. Video Video controller Dimension Lxxxr and Lxxxcx Intel 810e chip set with Dynamic Video Memory and 4-MB display cache memory Intel 810 chip set with Dynamic Video Memory Dimension Lxxxcxe Dimension Lxxxc ...

  • Page 33: Regulatory Notices

    Parallel port IRQ15 Secondary EIDE channel IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4. Default Dell-Installed Expansion Card Placement Expansion-Card Slot Expansion Card PCI Slot 1 Open PCI Slot 2...

  • Page 34: Entering The System Setup Program

    To set or change user-selectable options — for example, the user password Dell recommends that you print the system setup program screens (by pressing ) or write down the information for future reference. The system setup screens are organized as follows: At the top is a menu bar for accessing the main program screens.

  • Page 35: Advanced Screen

    Memory Bank 1 Displays the memory installed in memory bank 1. Processor Serial Number NOTE: This option is available only on Dell Dimension Lxxxr computers. Displays the serial number of the processor when set to Enabled. Disabled (default) turns off this feature.
  • Page 36 Determines whether the system is configured to support Plug and Play devices from the operating system or from the system Play OS BIOS. Leave this option set to No so that the BIOS handles all Plug and Play operations. NOTE: Be sure that this option is set to No before running Dell Diagnostics. Otherwise, some diagnostics may incorrectly report failures. Reset Permits resetting of the Plug and Play configuration data to default values.
  • Page 37 the following additional options: Base I/O Address If port is set to Enabled, available I/O addresses are 3F8, 3E8, 2F8, and 2E8. Interrupt If port is set to Enabled, available interrupts are IRQ3 and IRQ4. Parallel port Configures the parallel port. Set this option to Auto (default), Enabled, or Disabled. Depending on the port setting, you can set the following additional options: Mode If port is set to Auto or Enabled, available modes are Output Only, Bi-directional, ECP...

  • Page 38: Primary Ide Master Submenu

    Specifies the type of hard-disk drive. Settings for this option are User, Auto, CD-ROM, ATAPI Removable, Other ATAPI, IDE Removable, and None. LBA Mode Determines LBA mode control. Set to Enabled (default) unless directed to change it by a Dell technical support representative. Control Multi-Sector Determines the number of sectors per block during multiple-sector transfers.

  • Page 39: Event Log Configuration Submenu

    Diskette Write Protects a diskette from being written to when set to Enabled. When this option is set to Disabled (default), the diskette is Protect not protected unless the write-protect tab is in place. Event Log Configuration Submenu Table 8. Event Log Configuration Submenu Options Option Function Event Log...

  • Page 40: Boot Screen

    Option Function Quiet Boot Enabled (default) displays the Dell logo. Disabled displays the normal POST messages. Quick Boot When set to Enabled, this option shortens the POST by eliminating some tests. If set to Disabled (default), all POST tests occur.

  • Page 41: Exit Screen

    Power On or Stays Off (default). 1st Boot Device Dell Dimension Lxxxcx, Lxxxcxe, and Lxxxr: Determines which device the system tries to boot from first. Use the up- or down-arrow key to to highlight a device. Settings...

  • Page 42: Clearing Nvram

    Table 12. Exit Screen Options Option Function Exit Saving Saves any changes you have made, exits the system setup program, and restarts the system. Changes Exit Discarding Discards any changes you have made, exits the system setup program, and restarts the system. Changes Load Setup Discards any changes you have made and reverts all options to their defaults, but does not exit the system setup program.

  • Page 43: Internal View

    Back to Contents Page Technical Overview: Dell™ Dimension™ L Series Reference Internal View Power Supply Back-Panel Features DC Power Cables System Board Connectors and Sockets DC Power Connector Pin Assignments System Board Configuration Jumper  Internal View 1 Bezel release 2 5.25-inch drive bay 3 3.5-inch drive bays...
  • Page 44 NOTICE: Entering Maintenance mode returns all settings in the system setup program to their defaults. Dell strongly recommends that you record or print all current settings before entering this mode so that you can correct them when the system is reset to...

  • Page 45: Power Supply

    For the complete password procedure, see "Disabling a Forgotten Password" in Appendix B of the Dell Dimension L Series Reference and Troubleshooting Guide.  Power Supply The 145-watt (W) power supply can operate from an AC power source of 115 volts AC (VAC) at 60 hertz (Hz) or 230 VAC at 50 Hz. The power supply provides the DC operating voltages and currents listed in the following table.
  • Page 46 1 +5 VDC (red) 11 PSON# (brown) 2 Common (black) 12 Common (black) 3 +5 VDC (red) 13 Common (black) 4 Common (black) 14 Common (black) 5 PWRGOOD 15 –5 VDC (white) (orange) 6 +5 VFP (purple) 16 +5 VDC (red) 7 +12 VDC (yellow) 17 +5 VDC (red) 8 –12 VDC (blue)

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