Dell Personal Computer Dimension 2100 User's Manual
Contents
1. Peripheral Configuration m IDE Configuration p Diskette Configuration b Event Log Configuration Select Menu 7 Select Item Enter Select Submenu F9 Setup Defaults F10 Save and Exit ESC Exit Fl Help e Video Configuration Table 2 Advanced Screen Menu Options Boot Configuration Displays the Boot Configuration submenu Peripheral Configuration Displays the Peripheral Configuration submenu a a IDE Configuration Displays the IDE Configuration submenu Diskette Configuration guration submenu Event Log Configuration Displays the Event Log Configuration submenu g Configuration submenu Video Configuration Displays the Video Configuration submenu guration submenu Boot Configuration Submenu Dell Dimension 2100 Setup E oo Boot Configuration Item Specific Help Plug and Play 05 Reset Conf Data Numlock Select Menu Select Iten Select Submenu Setup Defaults Save and Exit Exit Help Table 3 Boot Configuration Submenu Options Determines whether the computer is configured to support Plug and Play devices from the operating system or from the system 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 Yes resets the data No d2. Video PS 2 style keyboard PS 2 compatible mouse USB Internally accessible Primary IDE Secondary IDE Floppy drive Video one 5 25 inch bay and two 3 5 inch bays one bay for 1 inch high IDE hard drive 9 pin connector 16550C compatible 25 hole connector bidirectional 15 hole connector 6 pin mini DIN connector 6 pin mini DIN connector two USB compliant connectors 40 pin connector on PCI bus 40 pin connector on PCI bus 34 pin connector Video controller Power DC power supply Wattage Heat dissipation Voltage switch selectable on back panel Backup battery Physical Height Width Depth Weight Environmental Temperature Operating Storage Relative humidity Maximum vibration Operating Storage Maximum shock Operating Storage Altitude Operating Storage Intel 810e chip set with Dynamic Video Memory and 4 MB 133 MHz display cache or Intel 810 chip set with Dynamic Video Memory 145 W 700 BTU fully loaded system without monitor 90 to 135 V at 60 Hz 180 to 265 V at 50 Hz 100 V at 50 to 60 Hz for Japanese systems 3 V CR2032 coin cell 39 cm 15 375 inches 16 8 cm 6 625 inches 34 cm 13 375 inches 9 9 kg 22 Ib 10 to 35 C 50 to 95 F 40 to 65 C 40 to 149 F 20 to 80 noncondensing 0 25 G at 3 to 200 Hz at 1 2 octave min 0 5 G at 3 to 200 Hz at 1 2 octave min bottom half sine pulse with a change in velocity o
3. lt Enter gt twice Press lt F10 gt to exit the system setup program and save any changes you made Turn off the computer remove the computer cover and replace the jumper plug on pins 1 and 2 of configuration jumper J7A1 to select Normal mode operation Replace the cover and start the computer 7 Re enter the system setup program and reset the system configuration information Back to Contents Page Back to Contents Page Technical Specifications Dell Dimension 2100 System Reference Microprocessor System Information Expansion Bus 0 0000o 2 lt P Microprocessor Microprocessor type Intel Pentium Ill processor Intel Celeron processor L1 cache L2 cache Pentium III processor Celeron processor Microprocessor mounting System Information System chip set Data bus width Address bus width DMA channels Interrupt levels System BIOS chip System clock Expansion Bus Bus type Bus speed Card connectors Card connector size Card connector data width maximum Memory Power Physical Environmental Regulatory Notices IRQ Assignments Default Dell Installed Card Placement 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 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
4. turns off the feature PIO Mode Determines the method of moving data to and from the IDE drive Options include PIO modes 0 1 2 3 and 4 The PIO modes can improve the performance of a hard drive The higher the PIO number the faster the transfer most newer drives support PIO 4 For the optimum transfer mode set Type to Auto Ultra DMA Sets the Ultra DMA mode for the drive Options are Disabled default Mode 0 Mode 1 Mode 2 Mode 3 or Mode 4 Diskette Configuration Submenu Dell Dimension 2100 Setup E oo Diskette Configuration Item Specific Help Diskette Controller Enabled Diskette A 1 44 1 25 MB 3 1 2 Diskette Write Protect Disabled Select Menu l Select Item Enter Select Submenu F9 setup Defaults F10 Save and Exit ESC Exit Fl Help Table 7 Diskette Configuration Submenu Options Diskette Configures the floppy drive interface Options are Enabled default and Disabled Controller Diskette A Selects the floppy disk type from Not Installed 360 KB 5 1 4 1 2 MB 5 1 4 720 KB 3 1 2 1 44 1 25 MB 3 1 2 or 2 88 MB 3 1 2 Diskette Write Protects a floppy disk from being written to when set to Enabled When this option is set to Disabled default the floppy Protect disk is not protected unless the write protect tab is in place Event Log Configuration Submenu Dell Dimension 2100 Setup 2 Event Log Configuration Item Specific Help Event Log Space Available Event
5. 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 To insert a module press out the securing clip at each end of the memory connector 5 Align the notches on the bottom of the module with the crossbars in the connector NOTICE To avoid breaking the memory module do not press near the middle of the module 6 Insert the module straight down into the connector making sure that it fits into the vertical guides at each end of the connector Press firmly on the ends of the module until it snaps into place If you insert the module correctly the securing clips snap into the cutouts at each end of the module NOTE The system memory value reported by the operating system is 1 or 2 MB less than the memory installed because that memory is reserved for video functions Heat Sink 1 Heat sink and fan assembly 2 Heat sink securing clip 3 Microprocessor 4 Microprocessor socket 5 Heat sink securing tab 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 1 Remove the computer cover 2 Rotate the power supply 3 Locate the microprocessor socket on the system board 4 Release the metal clip that secures the heat sink and fan assembly to the microprocessor socket Then remove
6. flea power VFP DC Power Cables 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 11 12 13 14 15 16 17 18 19 20 LL OO ee eee eee NOOOOOOAOOO 1 ZaD AS amp F amp Ss wW 1 5 VDC red 11 PSON f 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 18 5 VDC red 9 Common black 19 Not connected 10 Common black 20 5 VDC red 1 Pin 5 PWRGOOD is a status signal generated by the power supply to notify the computer that the DC operating voltages are within the ranges required for proper computer operation 2 Pin 11 PSON is activated by pressing and releasing the power button while the power supply is in standby state Activating PSON connects the power supply s PSON input to ground thereby switching the power supply to full on condition DC Power Connector P2 LI 1 Common black 2 Common black 1 2 383 4 5 6 3 Common black 4 3 3 VDC orange 5 3 3 VDC orange 6 3 3 VDC orange DC Power Connector P3 SS 1 12 VDC yellow Lat 7 RUE J EC 2 Common black I Tg 3 Common black 4 5 VDC red DC
7. is set to Enabled available interrupts are 7 and 5 Legacy USB 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 Available indicates that a specific IRQ is available on the computer IDE Configuration Submenu Dell Dimension 2100 Setup E oo IDE Configuration Item Specific Help IDE Controller Both b Primary IDE Master IBM DHEA 38451 p Primary IDE Slave None b Secondary IDE Master FX 120T b Secondary IDE Slave None Select Menu Select Item Select Submenu Setup Defaults Save and Exit Exit Help Table 5 IDE Configuration Submenu Options IDE Configures the integrated primary and secondary IDE controllers and detects the types of drives attached to them If set to Controller Primary Secondary or Both the designated controller s are enabled and the types of drives attached are displayed If set to either Primary or Secondary the other controller is not enabled and the IRQ it normally uses becomes available If set to Disabled the computer cannot detect any drives attached to the controllers and displays None for all four IDE drive options Primary IDE Identifies the first drive attached to the primary IDE interface usually the boot hard drive See Primary IDE Master Submenu Master Primary IDE Identifies the second drive attached to t
8. it away from the computer 4 To replace the front panel fit the two front panel retaining hooks into their corresponding slots on the computer frame Rotate the front panel toward the computer until the front panel latches into position 3 5 Inch Front Panel Insert 1 Insert 2 Tabs 2 3 Release tab To remove a 3 5 inch insert 1 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 1 Drive bay plate To remove the upper 3 5 inch drive plate and install a new drive 1 Remove the front panel 2 Remove the 3 5 inch front panel insert 3 Rotate the power supply away from the system board While holding the power supply place the computer in the upright position 4 Remove the metal plate covering the bay by using a screwdriver to pop out the metal plate from the left or right side of the computer frame 5 Remove the extra rails from the inside front of the computer frame 6 Install the rails on the sides of the drive The rails are marked L for installation on the left side of the drive and R for the right side of the drive 7 Slide the drive assembly into the drive bay 8 Connect a power supply cable and drive cables to the drive Lower 3 5 Inch Floppy Drive 1 Drive release rail tabs 2 To remove the 3 5 inch floppy drive from the lower bay 1 Remove the fro
9. may need to be replaced board DMA 1 Error DMA 2 Error FDD Controller BIOS cannot communicate with the floppy drive Ensure that the drive is installed correctly in the computer frame Failure or hard drive controller and defined correctly in the system setup program Check the interface cable at both ends HDD Controller Failure INTR1 Error Interrupt channel on the system board failed the The keyboard or system board may need to be replaced POST INTR2 Error Invalid Boot The operating system cannot be located on Enter the system setup program and confirm that drive A or Diskette drive A or drive C drive C is properly identified An error occurred with the keyboard connector The keyboard or system board may need to be replaced KeyboardError nn The BIOS has detected a stuck key Make sure that nothing is resting on the keyboard if a key represented by scan code nn appears to be stuck carefully pry it up If the problem persists you may need to replace the keyboard No ROM Basic The operating system cannot be located on Enter the system setup program and confirm that drive A or drive A or drive C drive C is properly identified Back to Contents Page 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 Inc
10. on the back of the computer Each of the four lights can be yellow green or off as shown in Table 1 When the computer is turned on or restarted and is functioning normally the lights flash during power on self test POST After the computer starts the lights remain green to signify normal computer operation If a malfunction is detected and the computer fails to start the lights display a code that identifies the problem Write down the diagnostic code displayed and look it up in Table 1 Table 1 Diagnostic Codes Diagnostic Code Corrective Action Power up default Make sure that the computer is O00900 connected to a known working A B C D electrical outlet and then check whether the front panel power light is on or off 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 System board is receiving power Set the configuration jumper to but the BIOS is not executing Maintenance mode and restart the computer Enter the system setup program and ensure that the processor speed is set correctly Exit and save the setting Turn off the computer reset the configuration jumper to Normal mode and then restart the computer Remove all cards and restart the co
11. the heat sink and fan assembly from the microprocessor chip 5 Disconnect the fan from the system board 6 Remove and replace the microprocessor chip from the socket 7 Unpack the heat sink and fan assembly included in your upgrade kit NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer 8 Peel the release liner from the adhesive tape that is attached to the bottom of the heat sink and fan assembly 9 Replace the heat sink and fan assembly 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 Place the heat sink and fan assembly on top of the microprocessor chip b Orient the securing clip and hook the shorter side of the clip over the tab on the top edge of the microprocessor socket c Press down on the top to the fan to snap the clip over the tab on the bottom edge of the microprocessor socket d Connect the fan to the system board 10 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 11 Enter the system setup program and confirm that the Processor T
12. 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 ntel 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 Back to Contents Page System Codes and Messages Dell Dimension 2100 System Reference Diagnostic Codes POST Beep Codes System Messages Diagnostic Codes Your computer is equipped with four diagnostic code lights which are labeled A B C and D
13. Intel 800 Series Chip Set driver before you reinstall any other drivers Using the Dell Dimension ResourceCD to Reinstall Drivers NOTICE The Dell Dimension ResourceCD contains drivers for devices that might not be installed in your computer Do not install device drivers unless you first identify the specific driver intended for the hardware installed in your computer see Your Computer s Drivers Installing incorrect drivers might make your computer inoperable 1 From the Windows desktop insert the Dell Dimension ResourceCD into the CD or DVD drive If this is your first time to use the ResourceCD go to the next step If not go to step 5 2 When the ResourceCbD Installation program starts follow the instructions on the screen 3 When the InstallShield Wizard Complete window appears remove the ResourceCD and click Finish to restart the computer 4 When you see the Windows desktop reinsert the ResourceCD into the CD or DVD drive 5 At the Welcome Dell System Owner screen click Next The Please wait the ResourceCD is detecting hardware in your computer message appears The drivers that are used by your computer are automatically displayed in the My Drivers The ResourceCD has identified these components in your system window 6 Click the driver that you want to reinstall and follow the prompts on the screen If a particular driver is not listed then that driver is not required by your operating system NOTE The Resour
14. Link As in Netscape Navigator and specify c windows system on your hard drive 3 Click the Start button on the Microsoft Windows desktop and then click Run 4 Type regsvr32 hhactivex dl11 and then press lt Enter gt 5 Click OK when the installation is complete 6 Right click the following link to the file De 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 Viewing the Tell Me How Help File 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 Back to Contents Page Drivers Dell Dimension 2100 System Reference Your Computer s Drivers Using the Dell Dimension ResourceCD to Reinstall Drivers 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 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 fo
15. Log Validity Valid View Event Log Enter Clear All Event Logs No Event Logging Enabled Mark Events As Read Enter Select Menu Tal Select Item Enter Select Submenu F9 setup Defaults F10 nave and Exit ESC Exit Fl Help Table 8 Event Log Configuration Submenu Options Video Configuration Submenu Dell Dimension 2100 Setup I o Video Configuration Item Specific Help Primary Video Adapter Onboard Select Menu Select Iten Select Submenu Setup Defaults Save and Exit Exit Help Table 9 Video Configuration Submenu Option Primary Video Adapter Selects Onboard or PCI as the active video controller when the computer boots Security Screen Dell Dimension 2100 Setup Main Advanced Security Boot Exit supervisor Password Is Not Installed Item Specific Help User Password Is Not Installed Set Supervisor Password Enter Set User Password Enter Clear User Password No Select Menu Select Item Select Be Submenu Setup Defaults Save and Exit Exit Help Table 10 Security Screen Options Boot Screen Dell Dimension 2100 Setup Quiet Boot Enabled Item Specific Help Quick Boot Disabled Restore on AC Power Loss Last State On LAN Power On On PME Stays Off lst Boot Device Floppy 2nd Boot Device ARMD FDD 3rd Boot Device ARMD HDD 4th Boot Device ATAPI CD ROM select Menu select Item Select Submenu Setup Defaults save and Exit Ex
16. Power Connectors P4 P5 and P6 12 VDC yellow gh OY et SP E C DENEA O Common black Common black 5 VDC red 1 2 3 4 A N a Control Panel Connector J9F2 Pin Assignments Hard drive light Power light Hard drive light Power light Reset switch H CLGCLO CECHA noooooood Power switch J a e Reset switch rs oN Oa FWD Power switch oh A No pin ok No pin No pin Back to Contents Page
17. by country 32 KB instruction and data cache 256 KB Advanced Transfer Cache that resides in the processor s core The L2 cache runs at the processor s internal clock speed 128 KB SRAM socket 370 Intel 810e or Intel 810 chip set 64 bits 32 bits two 15 4 Mb 512 KB 100 or 133 MHz matches external processor speed PCI version 2 2 33 MHz supports four three quarter length PCI cards 120 pins 32 bits Architecture Memory sockets Memory capacities Minimum memory Maximum memory Frequency Clock cycle CAS latency SPD revision Buffering Voltage Data bus width BIOS address non ECC SDRAM 168 pin modules two gold contacts 64 128 256 and 512 MB 64 MB for Microsoft Windows 98 Windows Millennium Edition Me and Windows 2000 128 MB for Windows XP 512 MB 100 MHz NOTE Your computer may have either PC 100 or shared PC 133 SDRAM modules at 100 MHz installed Do not mix these two module types in the computer To see which memory type is installed in your computer inspect the label on the memory module 10 ns supports four clocks only three 1 2 unbuffered 3 3 V 64 bits FOOOOh 1 Video memory uses 1 or 2 MB of system memory RAM Total RAM reported is 1 or 2 MB less than RAM installed 2 Up to 11 MB of system memory may be allocated to support DVMT Graphics Drives Externally accessible Internally accessible Ports Externally accessible Serial DTE Parallel
18. ce the back of the computer 1 Pin 1 corners of chip and socket aligned 5 Install the microprocessor chip in the socket as shown in the preceding figure NOTICE You must position the microprocessor chip correctly in the socket to avoid permanent damage to the chip and the computer when you turn on the system a Ifthe release lever on the microprocessor socket is not all the way out move it to that position now b With the pin 1 corners of the chip and socket aligned align the pins on the chip with the holes in the socket 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 Be careful not to bend the pins d When the chip is fully seated in the socket pivot the microprocessor socket release lever back toward the socket until it snaps into place securing the chip Battery 1 Battery 2 Battery socket A CAUTION There is a danger of the new battery exploding if it is incorrectly installed Replace the battery only with the same or equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions To remove the 3 volt V CR2032 coin cell battery 1 Make a copy of the screens in
19. ceCD 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 If those drivers are not displayed exit the ResourceCD program and refer to the documentation and drivers that came with that product To view other contents on the ResourceCD 1 Be sure your computer is selected in the System Model list 2 Be sure your operating system is selected in the Operating System list 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 4 Select a topic in the Topic list If you select Drivers in the Topic list and a particular driver is not listed then that driver is not required by your operating system Back to Contents Page 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 Memo 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 Overview Unless otherwise noted
20. d change or remove any hardware in your computer To set or change user selectable options for example the user password Dell recommends that you print the system setup program screens by pressing lt Print Screen gt or write down the information for future reference The system setup screens are organized as follows Atthe top is a menu bar for accessing the main program screens The box on the left side of each screen lists options that define the installed hardware in the computer Fields next to the options contain settings or values You can change those that are enclosed in brackets Values that are grayed out contain status information reported by the computer 1 The box on the right side of each screen displays help information for the option with a currently highlighted field The bottom right area lists keys and their functions for the currently displayed screen The menu bar provides access to the following screens Main screen Provides settings for the basic computer configuration Advanced screen Provides detailed settings for some computer features Security screen Provides indications and settings for the system password and setup password Boot screen Provides information about which device boots the computer Exit screen Provides selections for saving and loading the configurations and In addition to these screens options identified by a right arrow provide access to submenus Entering the Sys
21. d 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 Carefully lift the system board out of the input output I O gasket and remove the board from the computer The I O gasket is on the back of the computer where all of the inout and output ports are located see the system board When you install a replacement system board angle the back of the board downward and carefully align the connectors on the back edge of the board with the cutouts in the I O gasket When properly aligned the board connectors slide into the I O gasket as you lower the board into position in the chassis and reseat it on the standoffs Lock the board in place with the system board retaining clip After you install the replacement system board replace the microprocessor the heat sink the memory modules and the cards that you removed from the old system board To configure the system after you install a replacement board 1 2 Install the jumper plug on pins 2 and 3 of configuration jumper J7A1 to select Maintenance mode operation Replace the computer cover and start the computer The computer automatically starts the system setup program adds the Maintenance option to the menu bar and displays the Maintenance screen Select Clear All Passwords and press
22. do not catch on the computer cover or interfere with airflow inside the computer Check to see that no tools or extra parts including screws are left inside the computer Place the computer upright with the front facing you Align the computer cover so its bottom hooks fit in the computer s curved hinge Lift up the cover making sure to keep the bottom hooks aligned with the curves in the computer Gently squeeze the right and left sides of the computer together until the cover clicks into position Rotating the Power Supply 1 Release latch 2 Power supply 3 Drive power cables 1 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 Rotate the power supply into position until its release latch clicks Lay the drive power cables along the top of the latch 1 Drive power cables 2 Power supply Front Panel 1 Front panel release tab 2 Retaining hooks To remove the front panel 1 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
23. 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 in reverse order Precautionary Measures Before you remove or replace parts in the computer read the following caution for your personal safety and to prevent damage to the computer from electro static discharge ESD 4 CAUTION FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT Before you start to work on the system perform the following steps in the sequence listed 1 2 Turn off your computer and all devices Ground yourself by touching an unpainted metal surface at the back of the computer before touching anything inside your computer While you work periodically touch an unpainted metal surface on the computer to dissipate any static electricity that might harm internal components Disconnect any devices connected to the computer including the monitor from their electrical outlets to reduce the potential for personal injury or shock Also disconnect any telephone or telecommunication lines from the computer Disconnect the power cable to your computer and then press the 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 compute
24. efault retains the current Config Data Plug and Play settings If set to Yes configuration data reverts to default values the next time the computer boots This option automatically reverts back to the No setting Selects the power on state for Numlock Peripheral Configuration Submenu Dell Dimension 2100 Setup E o Peripheral Configuration Item Specific Help Serial Port A uto Parallel Port uto Mode ECP Legacy USB Support Auto IRQ 5 Reserved Select Menu Select Item Select Be Submenu setup Defaults Save and Exit Exit Help Serial port A 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 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 default and EPP NOTE Before changing this setting refer to the device manufacturer s documentation for information on which mode to use Base I O If port is set to Enabled available I O addresses are 378 default 278 and 228 Address Interrupt If port
25. ension 2100 Solutions Guide pdf 1601 KB Provides information on adding upgrades performing basic troubleshooting procedures and reinstalling drivers It also covers technical specifications X NOTES PDF files require Adobe Acrobat Reader which can be downloaded from the Adobe World Wide Web site at http www adobe com acrobat To view a PDF file launch Acrobat Reader Click File gt Open and select the PDF file Online Documentation The Tell Me How help file is already loaded on your hard drive when you receive your computer To open the file click the Start button on the Windows desktop point to Programs gt User s Guides and then click Tell Me How Tell Me How help files files with an extension of chm require Microsoft Internet Explorer 4 0 or later The Tell Me How help file allows you to search for information in multiple ways You can quickly link to information on the following topics Hardware and software features of your computer The Windows desktop where you can change your wallpaper and screen saver create shortcuts and position icons Software access installation and removal Basic file management such as finding copying deleting and renaming files Tips on using your computer hardware To Download a New Tell Me How Help File and Associated Files 1 Right click the following link to the hhactivex dil file hhactivex dll 2 Click Save Target As in Microsoft Internet Explorer or Save
26. f 50 8 cm sec 20 inches sec 27 G faired square wave with a velocity change of 508 cm sec 200 inches sec 15 2 to 3048 m 50 to 10 000 ft 15 2 to 10 668 m 50 to 35 000 ft 3 At 35 C 95 F the maximum operating altitude is 914 m 3000 ft Regulatory Notices FCC U S only IC Notice Canada only CE Notice VCCI Notice Japan only NOM 024 Information Mexico only Class B Class B Class B Class B IRQ Assignments 4 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 PCI Slot 3 Network adapter Back to Contents Page Back to Contents Page System Setup Program Dell Dimension 2100 System Reference Overview Security Screen Entering the System Setup Program Boot Screen Main Screen Exit Screen Advanced Screen Clearing NVRAM Overview Each time you turn on or restart your computer it compares the hardware installed in the computer to the hardware listed in the configuration information stored in nonvolatile random access memory NVRAM on the system board If the computer detects a discrepancy between the two it generates error messages that identify the incorrect configuration settings The computer then prompts you to enter the system setup program to correct the setting You can use the system setup program as follows To change the system configuration information after you ad
27. he computer cover 2 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 Insert the card firmly into the system board card connector Align the cutout on the bottom of the card connector with the crossbar in the system board card connector Gently rock the card into the system board card connector until it is fully seated 6 When the card is firmly seated in the system board card connector secure the card mounting bracket with the screw you removed in step 4 To remove a card 1 Remove the computer cover 2 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 NOTE Installing filler brackets over empty card slot openings is necessary to maintain Federal Communications Commission FCC certification of the system The brackets also keep dust and dirt out of your computer Memory 1 Cutouts 2 2 Connector 3 Memory module 4 Notches 2 5 Securing clips 2 To install a memory module 1 Remove the computer cover N Rotate the power supply 3 If necessary remove a memory module
28. he primary IDE interface usually a second hard drive The format of this submenu is the Slave same as the one described in Primary IDE Master Submenu Secondary Identifies the first drive attached to the secondary IDE interface if there is one The format of this submenu is the same as the IDE Master one described in Primary IDE Master Submenu Secondary Identifies the second drive attached to the secondary IDE interface usually a CD or tape drive The format of this submenu is the IDE Slave same as the one described in Primary IDE Master Submenu Primary IDE Master Submenu Dell Dimension 2100 Setup 2 Primary IDE Master IBM DHEA 38451 Item Specific Help Type User LBA Mode Control Enabled Multi Sector Transfers 16 Sectors PIO Mode PIO 4 Ultra DMA Mode 2 select Menu ge select Item Enter Select i Submenu F9 Setup Defaults F10 Save and Exit ESC Exit Help Table 6 Primary IDE Master Submenu Options Type 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 If Type is set to User set Multi Sector Transfers Transfers to 2 Sectors 4 Sectors 8 Sectors 16 Sectors or Disabled
29. it Help Table 11 Boot Screen Options 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 Restore on AC Determines what state the computer enters when AC power is restored after a power loss Settings are as follows Power Loss Last State default Computer returns to the state it was in when power was lost Stays Off Computer stays off when power is restored you must press the power button to restore power Power On Computer starts up when power is restored This option controls how the computer responds to a Wakeup On LAN event The settings for this option are Power On or Stays Off On PME This option controls how the computer responds to a PCI power management enabled PME wakeup event The settings for 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 ATAPI CD ROM SCSI Network Disabled Where SCSI or Network is the name of the installed device 2nd Boot Determines which device the computer tries to boot from if it cannot boot from the device selected for 1st Boot Device Device Settings fo
30. llows X 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 Keycaps are labels that appear on the keys on a keyboard They are enclosed in angle brackets Example lt Enter gt Key combinations are series of keys to be pressed simultaneously unless otherwise indicated to perform a single function Example lt Ctrl gt lt Alt gt lt Enter gt Commands presented in lowercase bold are for reference purposes only and are not intended to be typed when referenced Example Use the format command to In contrast commands presented in the Courier New font are part of an instruction and intended to be typed Example Type format a to format the floppy in drive A Filenames and directory names are presented in lowercase bold Examples autoexec bat and c windows Screen text is a
31. mer not operational See Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance 5 Processor failure See Contacting Dell in the So utions Guide for instructions on obtaining technical assistance 6 8442 keyboard controller error See Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance Processor exception error 7 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 10 CMOS memory error See Contacting Dell in the So utions Guide for instructions on obtaining technical assistance 11 BIOS checksum error See Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance System Messages The first column in Table 3 lists in alphabetical order system messages that may appear on the screen during the boot routine or during normal computer operation The second column in the table lists probable causes of the messages and the third column either provides a corrective action or refers you to a source for resolving the problem Table 3 System Messages Possible Cause Corrective Action 8042 Gate A20 Error The keyboard co
32. message or text that you are instructed to type as part of a command referred to as a command line Screen text is presented in the Courier New font Example The following message appears on your screen No boot device available Example Type md c programs and press lt Enter gt Variables are placeholders for which you substitute a value They are presented in italics Example DIMM_x where x represents the memory socket designation Back to Contents Page Back to Contents Page Documentation Dell Dimension 2100 System Reference Printed Documentation Online Documentation Printed Documentation The following printed documents are provided to you with your purchase of your computer They are located inside the documentation box that came with your computer For your convenience you may also view these documents online Be sure to read the following instructions thoroughly before viewing the documents Gy You must right click the link for a portable document format PDF file and save the file to your hard drive Attempting to open large PDF files through your browser by left clicking the link causes your computer to freeze To save PDF files files with an extension of pdf to your hard drive right click the document title click Save Target As in Microsoft Internet Explorer or Save Link As in Netscape Navigator and specify a location on your hard drive Right click only the following links Dell Dim
33. mputer to determine if a resource conflict exists If a conflict exists resolve the conflict A B C D If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance Recovery mode from BIOS failure Set the configuration jumper to Maintenance mode and restart the computer Enter the system setup program and ensure that the processor speed is set correctly Exit and save the setting Turn off the computer reset the configuration jumper to Normal mode and then restart the computer If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance H A B C D Microprocessor has failed a BIOS test If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance A B C D 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 AEC D computer Repeat this step until the malfunctioning memory module is identified H PCI bus failure has occurred Remove all cards and restart the computer to determine if a resource conflict exists If a conflict exists resolve the conflict E A B C D If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance Video controlle
34. nt panel 2 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 floppy drive 5 Press the two drive release rail tabs and slide the drive out of the drive bay Before you install the new drive install the drive release rails on the sides of the replacement floppy drive 5 25 Inch Drive 1 Drive release rail tabs 2 To remove the 5 25 inch drive 1 Remove the front panel 2 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 Press the two drive release rail tabs and slide the drive out of the drive bay Before you install the new drive install the drive release rails on the sides of the replacement drive Hard Drive 1 Screws 2 2 Clip 3 Hard drive To remove the primary hard drive 1 Remove the front panel 2 Rotate the power supply away from the system board 3 While holding the power supply place the computer in the upright position 4 Remove the two screws securing the hard drive to the front of the computer frame 5 Release the clip that secures the drive to the computer frame and rotate the drive out of the computer 6 Disconnect any cables attached to the drive 7 Remove the existing drive from the bay To reins
35. ntroller failed its test If you receive this message after making changes in the system setup program enter the program and restore the original value s Error in the address decoding circuitry in the Reseat the memory modules memory Cy Drive Error The hard drive is not working or is not Ensure that the drive is installed correctly in the chassis and configured correctly defined correctly in the system setup program C Drive Failure Cache Memory Bad Do Cache memory is not operating See Contacting Dell in the Solutions Guide for instructions Not Enable Cache on obtaining technical assistance Ch 2 Timer Error System board timer error occurred See Contacting Dell in the So utions Guide for instructions on obtaining technical assistance CMOS Battery State The system configuration information in the Enter the system setup program and verify the system Low system setup program is incorrect or the configuration then restart the computer battery charge may be low CMOS Checksum Failure CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS System Options Not set 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 computer frame Failure POST and defined correctly in the system setup program Check the interface cable at both ends DMA Error Error in the DMA controller on the system The keyboard or system board
36. ompatibility 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 Not detected during the Windows 98 or Windows Me Plug and Play setup Detected but incorrectly configured To check for conflicts on a computer running Windows 98 or Windows Me 1 Click the Start button point to Settings and click Control Panel 2 Inthe Control Panel double click System 3 Click the Device Manager tab 4 Inthe Device Manager list check for conflicts with the other devices Conflicts are indicated by a yellow exclamation point beside the conflicting device or a red X if the device has been disabled 5 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 Resolve these conflicts before checking specific devices 6 Double click the malfunctioning device type in the Device Manager list 7 Double click the icon for the specific device in the expanded list The Properties window appears 8 Resolve any IRQ conflicts If there is an IRQ conflict the Device status area in the Properties window reports what cards or devices are sharing the device s IRQ You can also use the Windows 98 or Windows Me Hardware Conflict Troubleshooter To use the troubleshooter 1 Click the Star
37. pop up menu and press lt Enter gt again Save Custom Saves any changes you have made but does not exit the system setup program Defaults Discard Changes Discards any changes you have made and reverts all options to their last saved settings but does not exit the system setup program Clearing NVRAM To clear NVRAM for all devices and restart the computer 1 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 lt Enter gt 4 Press the down arrow key to highlight Reset Config Data Then change the setting to Yes see Table 3 5 Press lt F10 gt to exit the program and restart the computer Back to Contents Page 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 Front panel release 5 25 inch drive bay 3 5 inch drive bays Hard drive Power supply AC power connector I O panel Security cable slot O ON OO Aa fF WO N Release latch and padlock ring Mouse connector Parallel connector Keyboard connector USB connectors 2 Video connector Serial connector Nn Oo OF FF WD N Diagnostic code light
38. r cables are connected before connecting the computer to its electrical outlet Recommended Tools Small flat blade screwdriver 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 This computer continues to receive a small amount of power when the computer is turned off and attached to an electrical outlet the system board power light is on when power is detected 1 2 Face the front of the computer Place your left hand on the left side of the computer Push back the release latch at the top back edge of the computer to release the computer cover into your left hand Lift the cover out from the curved hinge at the bottom of the computer Aa CAUTION Keep your hands clear of the metal edges on the computer frame and fan guard as you slide the cover back To replace the computer cover 1 2 Rotate the power supply back into place 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
39. r failed to initialize or If the problem persists see respond Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance f A B C D IDE bus failure has occurred Reseat the IDE cables If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance A B C D USB port or a device connected to it Disconnect the device from the USB has failed initialization port If the problem persists see Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance H A B C D Other failure See Contacting Dell in the Solutions Guide for instructions on obtaining technical assistance i A B C D Computer has started and turned No action is necessary over control to the operating system H A B C D QO yellow tes green QO o POST Beep Codes If the monitor cannot display errors or problems during power on self test POST the computer may emit a series of beeps or beep code that identifies the problem If the computer 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 memory modules Parity cannot be reset Reseat the memory modules Memory failure within the first 64 Reseat the memory modules KB of memory 3 4 Ti
40. r products purchased from Dell at the support section of the Dell World Wide Web site http support dell com NOTICE Drivers available on the Dell Web site have been validated for correct operation on Dell systems Installing drivers obtained from other sources may cause errors or performance degradation Your Computer s Drivers The device drivers that can be reinstalled on your computer are listed below Intel 800 Series Chip Set Driver Installs Microsoft Windows 98 device installation files inf that tell the operating system how certain chip set components should be configured for proper operation Intel Security Driver Provides a heightened level of security for transmitting data across a network or across the Internet Intel 810e Video Driver Enables the computer s video controller to properly function Other Drivers Control the devices such as video modem or network interface controller NIC cards that might be installed on your computer For instructions on how to reinstall those drivers see the device s documentation The documentation can be found by clicking the Start button on the Windows desktop pointing to Programs gt User s Guides and then clicking System Documentation TX 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
41. r this option are the same as those for 1st Boot Device except for NETWORK 3rd Boot Determines which device the computer tries to boot from if it cannot boot from the devices selected for 1st Boot Device and Device 2nd Boot Device Settings for this option are the same as those for 1st Boot Device except for NETWORK and SCSI 4th Boot Device Determines which device the computer tries to boot from if it cannot boot from the devices selected for 1st Boot Device 2nd Boot Device and 3rd Boot Device Settings for this option are the same as those for 1st Boot Device except for NETWORK and SCSI Exit Screen Dell Dimension 2100 Setup Exit Saving Changes Item Specific Help Exit Discarding Changes Load Setup Defaults Load Custom Defaults Save Custom Defaults Discard Changes Select Menu Select Item Select Be Submenu Setup Defaults Save and Exit Exit Help Table 12 Exit Screen Options Exit Saving Saves any changes you have made exits the system setup program and restarts the computer Changes Exit Discarding Discards any changes you have made exits the system setup program and restarts the computer Changes Load Setup Discards any changes you have made and reverts all options to their defaults but does not exit the system setup program Defaults Load Custom Loads any settings saved using the Save Custom Defaults option Press lt Enter gt Then press the spacebar to select Defaults Yes or No at the confirmation
42. s 4 System Board Connectors and Sockets tl en 6 ST 8 9 10 11 14 13 1 Microprocessor connector J5H1 12 Speaker LS9A1 2 Memory sockets BANKn 13 Configuration jumper J7A1 3 Fan connector J3J1 14 Power light 4 3 3 V power connector OPTIONAL POWER 15 Card connectors natural color PCIn 5 Secondary IDE channel connector SEC IDE 16 Serial connector COM1 6 Control panel connector J9F2 17 Parallel connector sometimes referred to as LPT1 PARALLEL 7 Floppy drive interface connector FLOPPY 18 Video connector VIDEO 8 Primary IDE channel connector PRI IDE 19 USB connectors USBn 9 Power input connector POWER 20 Mouse connector MOUSE 10 Battery socket BATTERY 21 Keyboard connector KEYBD 11 Wakeup On LAN connector WOL System Board Configuration Jumper NOTE The red dot in the jumper denotes pin 1 In Normal mode system setup settings and installed passwords are retained when the computer starts up In this mode an automatic recovery is attempted if the BIOS detects that any of its main blocks are corrupted Pins 2 3 Starting the computer with the jumper set in Maintenance mode jumpered automatically starts the system setup program adds the Maintenance Maintenance option to the menu bar and displays the Maintenance screen This mode screen provides the following option NOTICE Entering Maintenance mode returns all settings in the system setup program to their defaults Dell s
43. t button and then click Help 2 In Windows 98 double click Troubleshooting on the Contents tab and then double click If you have a hardware conflict In Windows Me double click Troubleshooting in the What would you like help with list click Hardware amp system device problems click Hardware memory amp others and then click Hardware Troubleshooter Windows 2000 Hardware and Software Incompatibility Occurrences To check for conflicts on a computer running the Microsoft Windows 2000 operating system 1 Click the Start button point to Settings and click Control Panel 2 Inthe Control Panel double click System 3 Click the Hardware tab 4 Click Device Manager 5 Click View and then click Resources by connection 6 Double click Interrupt request IRQ to view the IRQ assignments 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 Resolve these conflicts before checking specific devices 8 Double click the malfunctioning device type in the Device Manager list 9 Double click the icon for the specific device in the expanded list The Properties window appears If there is an IRQ conflict the Device status area in the Properties window reports what cards or devices are sharing the de
44. tall the primary hard drive NOTICE When you reinstall the hard drive make sure that the control panel wires are not caught underneath the hard drive 1 Orient the new drive with its circuit board facing the front of the computer frame 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 Power Supply and Fan Assembly 2 gt 1 Power supply retaining clips 2 Power supply and fan assembly To remove the power supply and fan assembly 1 Disconnect the AC power cable from the computer 2 Remove the computer cover 3 Rotate the power supply away from the system board 4 Disconnect the DC power cables from the POWER and OPTIONAL POWER connectors on the system board 5 Disconnect the DC power cables from all the drives 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 1 Remove the front cover 2 Disconnect the control panel from the system board 3 Press the mounting tabs to release the control panel and remove the control panel assembly Cards 1 Card connector 2 Card 3 System board card connector 4 Card mounting bracket and screw To install a card 1 Remove t
45. tem Setup Program To enter the system setup program 1 Turn on or restart your computer 2 When the blue Dell logo appears press lt Del gt If you wait too long and the operating system begins to load into memory et the computer complete the load operation Then shut down the computer and try again Main Screen Dell Dimension 2100 Setup m Main Advanced Security Boot xit BIOS Version AXX Item Specific Help Processor Type Intel Celeron Processor Speed 500 MHz System Bus Frequency 100 MHz Cache RAM 128 KB Service Tag 12A4BC Total Memory 64 MB Memory Bank 0 64 MB PC1O0 Memory Bank 1 Not Installed Processor Serial Number Disabled Select Menu Select Item System Time 00 00 00 Select Be Submenu System Date Mo DY YR Setup Defaults Save and Exit Exit Help Table 1 Main Screen Menu Options oon frm OOS Processor Serial Number NOTE This option is available only on computers that have an Intel Pentium IlI microprocessor Displays the serial number of the processor when set to Enabled Disabled default turns off this feature System Time Resets the time on the computer s internal clock System Date Resets the date on the computer s internal calendar Advanced Screen Dell Dimension 2100 Setup Main Advanced Security Boot xit Setup Warning Item Specific Help Setting items on this menu to incorrect values May cause your system to malfunction b Boot Configuration
46. the system setup program Enter the system setup program and print by pressing the lt Print Screen gt key or copy the system configuration information from the system setup screens 2 Remove the computer cover 3 Rotate the power supply 4 Pry the battery out of its socket with your fingers or with a blunt nonconductive object such as a plastic screwdriver To replace the battery 1 Install the new battery with the side facing up 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 lt Del gt when the blue Dell logo screen appears to enter the system setup program and restore the correct settings System Board 10 11 ot 1 System board retaining clip l 2 System board 3 Standoffs If possible enter the system setup program and print the system setup screens by pressing the lt Print Screen gt 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 Remove the power supply Disconnect any cables connected to cards and remove these cards Disconnect all internal cables from the system board Remove the heat sink assembly Remove the microprocessor Remove the memory modules Push the system board retaining clip until it disengages Slide the system boar
47. trongly 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 Clear All Passwords Disables a forgotten password so that you can access the computer and assign new passwords For the complete password procedure see Clearing Forgotten Passwords in the Solutions 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 NOTE The power supply produces DC voltages only under its loaded condition The DC power cable connectors must be connected to their corresponding power input connectors on the system board or drives to measure these voltages DC Voltage Ranges Maximum Output Voltage Range Current Ce aa 3 14 to 3 47 VDC 10 00 A The combined load on the 3 3 VDC and 5 VDC outputs cannot exceed 85 W VDC eTa 5 VDC aaa 90 to 5 25 4 90 to 5 25 VDC C 00 A The combined load on the 3 3 VDC and 5 VDC a ee cannot exceed 85 W 5 5 VDC 4 50 to 5 50 4 50 to 5 50 VDC 0 300 030A 12 VDC 11 40 to 12 60 4 5A n 12 VDC output can withstand surges of up to 11 0 A to support disk start up VDC operations 12 VDC 10 80 to 13 20 0 300 A VDC 5 VSB 4 75 to 5 25 VDC The 5 volts standby VSB is sometimes called volts
48. vice s IRQ 10 Resolve the IRQ conflicts You can also use the Windows 2000 Hardware Conflict Troubleshooter To use the troubleshooter 1 Click the Start button and then click Help 2 Double click Troubleshooting and Maintenance on the Contents tab 3 Double click If you have a hardware conflict Back to Contents Page 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 3 Hard drive access light Lights up when a hard drive is being accessed Back Panel 1 Voltage selection switch Selects the operating voltage for the computer 2 Diagnostic code lights 4 If a malfunction is detected and the computer fails to start the lights display a code that identifies the problem Back to Contents Page 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 fo
49. ype and Processor Speed options correctly identify the newly installed microprocessor Microprocessor 1 Microprocessor chip 2 Release lever 3 Microprocessor socket NOTICE Be careful not to bend any of the pins when you remove the microprocessor chip from its socket Bending the pins can permanently damage the microprocessor chip Your microprocessor socket is a zero insertion force ZIF socket with a lever type handle that secures the chip in or releases it from the socket 1 To remove the chip pull the microprocessor socket release lever out to unlock it and then straight up until the chip is released 2 Remove the chip from the socket Leave the release lever extended so that the socket is ready for the new microprocessor NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer 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 4 Align the pin 1 corner of the microprocessor chip with the pin 1 corner of the microprocessor socket as shown in the following figure X NOTE You must identify the pin 1 corner to correctly position the chip The pin 1 corner of the microprocessor is the beveled corner The pin 1 corner of the socket labeled 1 is the front left corner of the socket as you fa
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