Dell Dimension 2100 System Reference Manual

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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.
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.
Typographical Conventions
The following list defines (where appropriate) and illustrates typographical
conventions used as visual cues for specific elements of text throughout this
document:
Interface components are window titles, button and icon names, menu
names and selections, and other options that appear on the monitor
screen or display. They are presented in bold.
Example: Click OK.

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  • Page 1

    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...

  • Page 2

    No boot device available Example: “Type md c:\programs and press <Enter>.” Variables are placeholders for which you substitute a value. They are • presented in italics. Example: DIMM_x (where x represents the memory socket designation). Technical Overview: Dell™ Dimension™ 2100 System Reference...

  • Page 3: Internal View

    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 4 Hard drive 5 Power supply 6 AC power connector...

  • Page 4: System Board Connectors And Sockets

    1 Mouse connector 2 Parallel connector 3 Keyboard connector 4 USB connectors (2) 5 Video connector 6 Serial connector 7 Diagnostic code lights (4) System Board Connectors and Sockets...

  • Page 5

    1 Microprocessor connector (J5H1) 12 Speaker (LS9A1) 2 Memory sockets (BANKn) Configuration jumper (J7A1) 3 Fan connector (J3J1) Power light 4 3.3-V power connector (OPTIONAL 15 Card connectors (natural color) (PCIn) POWER) 5 Secondary IDE channel connector (SEC 16 Serial connector (COM1) IDE) Control panel connector (J9F2) 17 Parallel connector;...

  • Page 6: Power Supply

    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.

  • Page 7: Dc Power Cables

    +3.3 +3.14 to 10.00 A The combined load on the +3.3-VDC and +5- +3.47 VDC VDC outputs cannot exceed 85 W. +5 VDC +4.90 to 16.00 A The combined load on the +3.3-VDC and +5- +5.25 VDC VDC outputs cannot exceed 85 W. –5 VDC –4.50 to –...

  • Page 8

    DC Power Connector Pin Assignments The power-supply output voltages can be measured at the back (wire side) of the DC power connectors without disconnecting them. The following figures show the wire side of the connectors: DC Power Connector P1...

  • Page 9

    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 (orange) 15 –5 VDC (white) 6 +5 VFP (purple) 16 +5 VDC (red) 7 +12 VDC (yellow) 17 +5 VDC (red) 8 –12 VDC (blue)

  • Page 10

    1 Common (black) 2 Common (black) 3 Common (black) 4 +3.3 VDC (orange) 5 +3.3 VDC (orange) 6 +3.3 VDC (orange) DC Power Connector P3 1 +12 VDC (yellow) 2 Common (black) 3 Common (black) 4 +5 VDC (red) DC Power Connectors P4, P5, and P6 1 +12 VDC (yellow) 2 Common (black) 3 Common (black)

  • Page 11

    3 Hard-drive light (-) 4 Power light (-) 5 Reset switch 6 Power switch 7 Reset switch 8 Power switch 14 No pin 17 No pin 18 No pin Controls and Lights: Dell™ Dimension™ 2100 System Reference Front Panel Back Panel Front Panel...

  • Page 12: Back 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. 3 Hard-drive access light — Lights up when a hard drive is being accessed.

  • Page 13

    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 14

    Programs > User s Guides, and then clicking System Documentation. NOTES: If a driver does not appear under a selected operating system on the Dell Dimension ResourceCD, then the driver is not required by that operating system. If you reinstall Windows 98, you must reinstall the Intel 800 Series Chip Set driver before you reinstall any other drivers.

  • Page 15

    If a particular driver is not listed, then that driver is not required by your operating system. NOTE: The ResourceCD displays drivers only for hardware that Dell installed at the time of purchase. If you installed any additional hardware, those drivers may not be displayed by the ResourceCD.

  • Page 16

    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. 4. Select a topic in the Topic list.

  • Page 17

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

  • Page 18

    Dell" in theSolutions Guide for instructions on obtaining technical assistance. Microprocessor has If the problem persists, failed a BIOS test. see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. Memory failed to be Reseat the memory sized or enabled.

  • Page 19

    Guide for instructions on obtaining technical assistance. Video controller failed If the problem persists, to initialize or respond. see "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. IDE bus failure has Reseat the IDE cables. If occurred.

  • Page 20: Post Beep Codes

    Memory failure within Reseat the memory modules. the first 64 KB of memory Timer not operational See "Contacting Dell" in the Solutions Guide for instructions on obtaining technical assistance. Processor failure See "Contacting Dell" in the Solutions Guide for instructions on obtaining...

  • Page 21: System Messages

    8442 keyboard See "Contacting Dell" in the Solutions controller error Guide for instructions on obtaining technical assistance. Processor exception See "Contacting Dell" in the Solutions error Guide for instructions on obtaining technical assistance. Video display memory See "Contacting Dell" in the Solutions...

  • Page 22

    Cache Memory Bad, Cache memory is not See "Contacting Dell" in Do Not Enable Cache operating. the Solutions Guide for instructions on obtaining technical assistance. Ch-2 Timer Error System board timer error See "Contacting Dell"...

  • Page 23

    A or drive C is A or drive C. properly identified. System Setup Program: Dell™ Dimension™ 2100 System Reference Overview Security Screen Entering the System Setup Program Boot Screen...

  • Page 24

    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.

  • Page 25

    To enter the system setup program: 1. Turn on (or restart) your computer. 2. When the blue Dell logo appears, press <Del>. If you wait too long and the operating system begins to load into memory, let the computer complete the load operation. Then shut down the computer and try again.

  • Page 26

    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.

  • Page 27

    Advanced Screen Table 2. Advanced Screen Menu Options Option Function Boot Configuration Displays the Boot Configuration submenu. Peripheral Configuration Displays the Peripheral Configuration submenu. IDE Configuration Displays the IDE Configuration submenu. Diskette Configuration Displays the Diskette Configuration submenu. Event Log Configuration Displays the Event Log Configuration submenu.

  • Page 28: Peripheral Configuration Submenu

    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.

  • Page 29

    Table 4. Peripheral Configuration Submenu Options Option Function Serial port Configures the serial port. Set this option to Auto (default), Enabled, or Disabled. Depending on the port setting, you can set the following additional options: Base If port is set to Enabled, available I/O addresses I/OAddress are 3F8,3E8, 2F8, and 2E8.

  • Page 30: Ide Configuration Submenu

    Interrupt If port is set to Enabled, available interrupts are 7 and 5. Legacy Set to Disabled if legacy USB support is not desired. Auto (default) and Enabled allow support for legacy USB. Support IRQ5 Reserved (default) indicates that the IRQ is reserved for use by legacy devices.

  • Page 31: Primary Ide Master Submenu

    Primary IDE Identifies the first drive attached to the primary IDE interface, usually the Master boot hard drive. See "Primary IDE Master Submenu." Primary IDE Identifies the second drive attached to the primary IDE interface, usually Slave a second hard drive. The format of this submenu is the same as the one described in "Primary IDE Master Submenu"...

  • Page 32: Diskette Configuration Submenu

    Control change it by a Dell technical support representative. Multi- Determines the number of sectors per block during multiple-sector Sector transfers. If Type is set toUser, set Multi-Sector Transfers to 2 Transfers Sectors, 4 Sectors, 8 Sectors, 16 Sectors, orDisabled (turns off the feature).

  • Page 33: Event Log Configuration Submenu

    5 1/4", 720 KB 3 1/2", 1.44/1.25 MB 3 1/2", or 2.88 MB 3 1/2". Diskette Protects a floppy disk from being written to when set to Enabled. When Write Protect this option is set toDisabled (default), the floppy disk is not protected unless the write-protect tab is in place.

  • Page 34

    Video Configuration Submenu Table 9. Video Configuration Submenu Option Option Function Primary Video Selects Onboard or PCI as the active video controller when the Adapter computer boots. Security Screen...

  • Page 35

    Table 10. Security Screen Options Option Function Supervisor Password Indicates whether a supervisor password has been assigned. User Password Is Indicates whether a user password has been assigned. Set Supervisor Sets and confirms a supervisor password. Password Set User Password Sets and confirms a user password.

  • Page 36

    Table 11. Boot Screen Options 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 toDisabled (default), all POST tests occur.

  • Page 37: Exit Screen

    1st Boot Determines which device the computer tries to boot from first. Use the up- Device or down-arrow key to highlight a device. Settings for this option are as follows: Floppy • ARMD FDD • ARMD HDD • IDE-HDD • ATAPI CD-ROM •...

  • Page 38: Clearing Nvram

    Table 12. Exit Screen Options Option Function Exit Saving Saves any changes you have made, exits the system setup program, Changes and restarts the computer. Exit Discards any changes you have made, exits the system setup program, Discarding and restarts the computer. Changes Load Setup Discards any changes you have made and reverts all options to their...

  • Page 39

    4. Press the down-arrow key to highlight Reset Config Data. Then change the setting to Yes (see Table 3 5. Press <F10> to exit the program and restart the computer. Technical Specifications: Dell™ Dimension™ 2100 System Reference Microprocessor Power System Information...

  • Page 40: System Information

    Microprocessor type 933 MHz or 1.00 GHz internally and 133 MHz externally or Intel Pentium processor 1.10 GHz internally and 100 MHz externally NOTE: Microprocessor offerings vary by country. 700, 800, or 900 MHz internally and 100 MHz externally or Intel Celeron processor 1.00 or 1.10 GHz internally and 100 MHz externally...

  • Page 41: Expansion Bus

    System clock 100 or 133 MHz (matches external processor speed) Expansion Bus Bus type PCI (version 2.2) Bus speed 33 MHz Card connectors supports four three-quarter-length PCI cards Card connector size 120 pins Card connector data width 32 bits (maximum) Memory Architecture non-ECC SDRAM 168-pin modules...

  • Page 42

    CAS latency three SPD revision Buffering unbuffered Voltage 3.3 V Data bus width 64 bits BIOS address F0000h Video memory uses 1 or 2 MB of system memory (RAM). Total RAM reported is 1 or 2 MB less than RAM installed. Up to 11 MB of system memory may be allocated to support DVMT Graphics.

  • Page 43

    PS/2-style keyboard 6-pin mini-DIN connector 6-pin mini-DIN connector PS/2-compatible mouse two USB-compliant connectors Internally accessible Primary IDE 40-pin connector on PCI bus 40-pin connector on PCI bus Secondary IDE Floppy drive 34-pin connector Video 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...

  • Page 44

    Height 39 cm (15.375 inches) Width 16.8 cm (6.625 inches) Depth 34 cm (13.375 inches) Weight 9.9 kg (22 lb) Environmental Temperature Operating to 35 C (50 to 95 F) Storage –40 to 65 C (–40 to 149 F) Relative humidity 20% to 80% (noncondensing) Maximum vibration Operating...

  • Page 45: Regulatory Notices, Irq Assignments

    At 35 C (95 F), the maximum operating altitude is 914 m (3000 ft). Regulatory Notices FCC (U.S. only) Class B IC Notice (Canada only) Class B CE Notice Class B VCCI Notice (Japan only) Class B NOM O24 Information (Mexico only) IRQ Assignments IRQ Line...

  • Page 46

    PCI Slot 1 Open PCI Slot 2 Audio PCI Slot 3 Network adapter PCI Slot 4 Modem Removing and Replacing Parts: Dell™ Dimension™ 2100 System Reference Overview Hard Drive Precautionary Measures Power Supply and Fan Assembly Recommended Tools Control Panel...

  • Page 47

    5.25-Inch Drive Overview Unless otherwise noted, each of the following procedures assumes: You have the recommended tools • You have performed the steps in " ." Precautionary Measures • You have removed the computer cover. • You can replace or reinstall a part by performing the removal procedure •...

  • Page 48

    telecommunication lines from the computer. 4. Disconnect the power cable to your computer, and then press power button to ground the system board. After you remove or replace parts in the computer, observe the following notice to prevent damage to the computer: NOTICE: Make sure that all other computer cables are connected before connecting the computer to its electrical outlet.

  • Page 49

    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.

  • Page 50

    back into place. Rotate the power supply 2. Check all cable connections, especially those that might have come loose during your work. Fold cables and unused connectors out of the way so that they do not catch on the computer cover or interfere with airflow inside the computer.

  • Page 51

    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.

  • Page 52

    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.

  • Page 53

    3.5-Inch Front Panel Insert 1 Insert 2 Tabs (2) 3 Release tab To remove a 3.5-inch insert: Remove the front panel 2. From the back of the front panel, press the release tab to the side. 3. Rotate the insert toward you, and remove it from the front panel. Upper 3.5-Inch Drive...

  • Page 54

    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 away from the system board. While holding the Rotate the power supply power supply, place the computer in the upright position. 4.

  • Page 55

    1 Drive-release rail tabs (2) To remove the 3.5-inch floppy drive from the lower bay: Remove the front panel away from the system board. Rotate the power supply 3. While holding the power supply, place the computer in the upright position.

  • Page 56

    1 Drive-release rail tabs (2) To remove the 5.25-inch drive: Remove the front panel away from the system board. Rotate the power supply 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 57

    1 Screws (2) 2 Clip 3 Hard drive To remove the primary hard drive: Remove the front panel away from the system board. Rotate the power supply 3. While holding the power supply, place the computer in the upright position. 4.

  • Page 58

    2. Press the drive between the two brackets until the drive is secured by the clip. 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.

  • Page 59

    6. Press the power-supply retaining clips and lift the power supply and fan assembly out of the computer. Control Panel 1 Control panel assembly 2 Mounting tabs To remove the control panel: Remove the front cover 2. Disconnect the control panel from the system board. 3.

  • Page 60

    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. Unscrew and remove the metal filler bracket that covers the card-slot opening for the card slot you intend to use.

  • Page 61

    Rotate the power supply 3. Disconnect any cables connected to the card. 4. Remove the screw from the card-mounting bracket. 5. Grasp the card by its top corners, and ease it out of its system-board card connector. 6. If you are removing the card permanently, install a metal filler bracket over the empty card-slot opening in the computer.

  • Page 62

    c. If the module is difficult to remove, gently ease the module back and forth to remove it from the connector. insert a module, press out the securing clip at each end of the memory connector. Align the notches on the bottom of the module with the crossbars in the connector.

  • Page 63

    The heat sink in your computer will be similar to one of those pictured in the preceding figure. To remove and replace the microprocessor and heat sink: Remove the computer cover Rotate the power supply 3. Locate the microprocessor socket on the system board 4.

  • Page 64

    , and then reconnect your computer and Replace the computer cover 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. , and confirm that the Processor Enter the system setup program Type and Processor Speedoptions correctly identify the newly installed...

  • Page 65

    NOTICE: Be careful not to bend any of the pins when you unpack the microprocessor. Bending the pins can permanently damage the microprocessor. 3. Unpack the new microprocessor. If any of the pins on the chip appear to be bent, obtain technical assistance.

  • Page 66

    c. Set the chip lightly in the socket and make sure that all pins are headed into the correct holes. Because your system uses a ZIF microprocessor socket, you do not need to use force, which could bend the pins if the chip is misaligned. When the chip is positioned correctly, press it with minimal pressure to seat the microprocessor in the socket.

  • Page 67

    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.

  • Page 68

    1 System-board retaining clip 2 System board 3 Standoffs 1. If possible, and print the system setup enter the system setup program 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.

  • Page 69

    9. Push the system-board retaining clip until it disengages. Slide the system board forward until is no longer held by the standoffs that secure the system board to the computer frame. NOTE: You may need to slide the board toward the front of the computer to clear the hooked standoffs before you can lift the board from the computer.

  • Page 70

    5. Turn off the computer, remove the computer cover, and replace the jumper plug on pins 1 and 2 of J7A1 to select Normal configuration jumper mode operation. , and start the computer. Replace the cover , and reset the system configuration Re-enter the system setup program information.

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