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Dell™ Dimension™ 2100 System Reference
Conventions
Technical Overview
Controls and Lights
Drivers
System Codes and Messages
System Setup Program
Technical Specifications
Removing and Replacing Parts
Documentation
Model MCM
Information in this document is subject to change without notice.
© 2001-2002 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, and MS-DOS are registered trademarks of Microsoft
Corporation; Intel, Celeron, and Pentium are registered trademarks 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.
August 2002 Rev. A03

   Also See for Dell Dimension 2100

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   Summary of Contents for Dell Dimension 2100

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    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.

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    If the power light is off, check the power supply. If the problem persists, see  "Contacting  Dell" in the Solutions Guide for instructions on obtaining technical assistance. Remove all cards. If the computer still  does not start, see  "Contacting Dell"  in the Solutions Guide for instructions on obtaining technical assistance.

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    If the problem persists, see   Microprocessor has failed a BIOS test. "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. Memory failed to be sized or Reseat the memory modules. If the enabled. problem persists, remove all but one memory module, and then restart the computer.

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    Processor exception error See  "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. Video display memory error See  "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. Optional ROM checksum error See  "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. CMOS memory error See  "Contacting Dell" in the Solutions Guide for instructions on...

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    The operating system cannot be located on Enter the system setup program and confirm that drive A or Invalid Boot Diskette drive A or drive C. drive C is properly identified. KB/Interface Error An error occurred with the keyboard connector. The keyboard or system board may need to be replaced.

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    Back to Contents Page Resolving Software and Hardware Incompatibilities: Dell™ Dimension™ 2100 System  Reference Windows 98 and Windows Millennium Edition (Me) Hardware and Software Incompatibility Occurrences Windows 2000 Hardware and Software Incompatibility Occurrences Windows® 98 and Windows Me Hardware and Software Incompatibility Occurrences Interrupt request (IRQ) conflicts occur on computers running the Microsoft® Windows 98 or Windows Me operating system if a device is either:...

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    Conflicts are indicated by a yellow exclamation point (!) beside the conflicting device or a red X if the device has been disabled. 7. Double-click any conflicting device listed to bring up the Properties window so you can determine what needs to be reconfigured or removed from the Device Manager.

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    Back to Contents Page Controls and Lights: Dell™ Dimension™ 2100 System Reference Front Panel Back Panel Front Panel 1 Floppy-drive access light — Lights up when a floppy 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.

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    Back to Contents Page Conventions: Dell™ Dimension™ 2100 System 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.

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    5. Click OK when the installation is complete. 6. Right-click the following link to the file: Dell Dimension 2100 System Tell Me How (.chm) (2385 KB). 7. Click Save Target As in Microsoft Internet Explorer or Save Link As in Netscape Navigator, and specify a location on your hard drive.

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    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 Tell Me How help file. 3. Double-click the file (tellhow.chm). Back to Contents Page...

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    All of your computer’s drivers for Dell-installed devices are operative when you receive the computer—no further installation or configuration is needed. However, if you ever need to reinstall any of these drivers, the driver files are provided on the Dell Dimension ResourceCD.

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    3. Select the type of device in the Device Type list. NOTICE: The Dell Dimension ResourceCD contains drivers for devices that are not part of your computer. Only reinstall the specific drivers for hardware included in your computer. Otherwise, your computer might not work correctly.

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    Back to Contents Page Removing and Replacing Parts: Dell™ Dimension™ 2100 System Reference Overview Hard Drive Precautionary Measures Power Supply and Fan Assembly Recommended Tools Control Panel Cover Cards Rotating the Power Supply Memory Front panel Heat Sink 3.5-Inch Front Panel Insert Microprocessor Upper 3.5-Inch Drive Battery Lower 3.5-Inch Floppy Drive System Board 5.25-Inch Drive...

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    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 computer from the electrical outlet, disconnect the power cable from the back of the computer, and press the power button before removing the computer cover.

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    1 Release latch 2 Power supply 3 Drive power cables Remove the computer cover. 2. Lay the computer on its side. 3. Press the release latch while lifting the power supply.  4. Rotate the power supply out of the computer while keeping the drive power cables clear. 5. When you rotate the power supply back into the computer, gently lift the and hold the drive cables out of the way. 6.

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    1 Front-panel release tab 2 Retaining hooks To remove the front panel: Remove the computer cover. 2. While facing the front of the computer, press in the front-panel release tab the top of the computer. 3. Swing the front panel away from the computer, disengage the two retaining hooks at the bottom of the front panel, and carefully pull it away from the computer.

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    1 Drive bay plate To remove the upper 3.5-inch drive plate and install a new drive: Remove the front panel. 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.

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    1 Drive-release rail tabs (2) To remove the 5.25-inch drive: Remove the front panel. 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.

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    3. Secure the drive to the front of the computer frame with the two screws you removed. 4. Connect a power supply cable and the hard 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: 1.

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    1 Card connector 2 Card 3 System-board card connector 4 Card mounting bracket and screw To install a card: Remove the computer cover. Rotate the power supply. 3. Choose a system-board card connector for the card. 4. Unscrew and remove the metal filler bracket that covers the card-slot opening for the card slot you intend to use. 5.

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    Rotate the power supply. 3. If necessary, remove a memory module: a. Press out the securing clip at each end of the memory connector. b. Grasp the module and pull up. c. If the module is difficult to remove, gently ease the module back and forth to remove it from the connector. 4.

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    d. Connect the fan to the system board. Replace the computer cover, and then reconnect your computer and peripherals to their electrical outlets and turn them on. As the computer boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in the system setup program.

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    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, press <Del> when the blue Dell logo screen appears to enter the system setup program, and restore the correct settings.

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    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 <Print Screen> 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.

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    Re-enter the system setup program, and reset the system configuration information. Back to Contents Page...

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    System Information Physical Expansion Bus Environmental Memory Regulatory Notices Drives IRQ Assignments Ports Default Dell-Installed Card Placement Video Microprocessor Microprocessor type Intel® Pentium® III processor 933 MHz or 1.00 GHz internally and 133 MHz externally or 1.10 GHz internally and 100 MHz  externally NOTE: Microprocessor offerings vary by country. Intel Celeron® processor 700, 800, or 900 MHz internally and 100 MHz externally or 1.00 or 1.10 GHz internally and 100 MHz externally NOTE: Microprocessor offerings vary by country.

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    Architecture non-ECC SDRAM 168-pin modules Memory sockets two; gold contacts Memory capacities 64, 128, 256, and 512 MB 64 MB for Microsoft® Windows® 98, Windows Millennium Edition (Me), and Windows 2000; Minimum memory 128 MB for Windows XP 512 MB Maximum memory Frequency 100 MHz  ...

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    Video controller Intel 810e chip set with Dynamic Video Memory and 4-MB, 133-MHz display cache or Intel 810 chip set with Dynamic Video Memory Power DC power supply Wattage 145 W Heat dissipation 700 BTU (fully loaded system without monitor) Voltage (switch selectable on back 90 to 135 V at 60 Hz;...

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    IRQ7 Parallel port IRQ15 Secondary IDE channel IRQ3 is available provided that no other device in the computer (such as a modem) is using COM2 or COM4. Default Dell-Installed Card Placement Card Slot Card PCI Slot 1 Open PCI Slot 2...

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    To set or change user-selectable options — for example, the user password Dell recommends that you print the system setup program screens (by pressing <Print Screen>) 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.

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    Table 1. Main Screen Menu Options Option Function BIOS Version Displays the version of the BIOS being used. Processor Type Displays the type of microprocessor installed. Processor Speed Displays the internal speed of the microprocessor. Cache RAM Displays the cache random access memory. Service Tag Displays the service tag for the computer.

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    Determines whether the computer 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.

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    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...

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    Specifies the type of hard 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.

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    Table 8. Event Log Configuration Submenu Options Option Function Event Log Displays the space available for the event log. Event Log Validity Displays the validity of the event log. View Event Log Press <Enter> to view the event log. Clear All Event Logs Clears all event logs when the computer restarts if set to Yes.

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    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.

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    this option are Power On or Stays Off (default). 1st Boot Device Determines which device the computer tries to boot from first. Use the up- or down-arrow key to highlight a device. Settings for this option are as follows: Floppy ARMD FDD ARMD HDD IDE-HDD...

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    Clearing NVRAM To clear NVRAM for all devices and restart the computer: Enter the system setup program. 2. Press the right-arrow key to move to the Advanced menu. 3. Press the down-arrow key to highlight the Boot Configuration submenu, and press <Enter>. 4.

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    Back to Contents Page Technical Overview: Dell™ Dimension™ 2100 System 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 Control Panel Connector (J9F2) Pin Assignments  Internal View 1 Front-panel release 2 5.25-inch drive bay 3 3.5-inch drive bays...

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    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 computer is reset to Normal mode.

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    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. NOTE: The power supply produces DC voltages only under its loaded condition.

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    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) 18 +5 VDC (red) 9 Common (black)

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            Back to Contents Page...

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