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Dell 8300 Personal Computer User Manual

1. see System Setup Screens to ensure that the boot sequence is correct for the devices installed on your computer The computer is in a normal operating condition after POST Beep Codes Your computer might emit a series of beeps during start up if the monitor cannot display errors or problems This series of beeps called a beep code identifies a problem One possible beep code code 1 3 1 consists of one beep a burst of three beeps and then one beep This beep code tells you that the computer encountered a memory problem Reseating the memory modules may fix the beep code errors in the following table If the problem persists see Contacting Dell in your Owner s Manual for instructions on obtaining technical assistance 1 3 1 through 2 4 4 Memory not being properly identified or used 4 3 1 Memory failure above address OFFFFh If you hear one of the following beep codes see Contacting Dell in your Owner s Manual for instructions on obtaining technical assistance Code Cause 1 1 2 Microprocessor register failure 1 1 3 NVRAM 1 1 4 ROM BIOS checksum failure 1 2 1 Programmable interval timer 1 2 2 DMA initialization failure 1 2 3 DMA page register read write failure 3 1 1 Slave DMA register failure 3 1 2 Master DMA register failure 3 1 3 Master interrupt mask register failure 3 1 4 Slave interrupt mask register failure Interrupt vector loading failure 3 2 4 Keyboard Controller Test
2. program enter the program and restore the original value s An error in the address decoding circuitry in the Reseat the memory modules memory has occurred The hard drive is not working or is not configured Ensure that the drive is installed correctly in the computer and defined correctly correctly in the system setup program The cache memory is not operating An error is occurring on the timer on the system board The system configuration information in the system setup program is incorrect or the battery charge may be low See Contacting Dell in your Owner s Manual for instructions on obtaining technical assistance See Contacting Dell in your Owner s Manual for instructions on obtaining technical assistance Enter the system setup program verify the system configuration and then restart the computer Drive A or B is present but has failed the BIOS POST Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program Check the interface cable at both ends Error in the DMA controller on the system board The keyboard or system board may need to be replaced Ensure that the floppy drive or the hard drive is installed correctly in the computer and defined correctly in the system setup program Check the interface cable at both ends The BIOS cannot communicate with the floppy drive or hard drive controller An interrupt channel on the system board failed to The ke
3. Flash BIOS update program floppy disk or CD Shutting Down Your Computer Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety A CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Owner s Manual NOTICE Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty A CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a microprocessor by its edges not by its pins NOTICE When you disconnect a cable pull on its connector or on its strain relief loop not on the cable itself Some cables have a connector with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned NOTICE To avoid damaging the computer perform the following steps before you begin working inside the computer 1 Shut down the computer 2 Ensure that the computer and any attached devices are turned off If your computer and attached devices did not automatically turn o
4. i w 6 If you are installing a new CD DVD drive rather than replacing a drive remove the front panel insert 7 If you are installing a drive that has its own controller card install the controller card in a card slot 8 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 9 Close the computer cover NOTI CE To connect a network cable first plug the cable in to the network wall jack and then plug it in to the computer 10 Connect your computer and devices to their electrical outlets and turn them on See the documentation that came with the drive for instructions on installing any software required for drive operation Back to Contents Page Back to Contents Page Front Panel Dell Dimension 8300 Series Service Manual Removing the Front Panel J Removing the Front Panel Insert Removing the Front Panel A CAUTI ON Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Disconnect the computer power cable from the electrical outlet 3 Remove the front panel door by gently snapping it off the two hinge arms front panel insert Removing the Front Panel I nsert Remove the front panel insert before you install the floppy drive 1 Open the computer cover to a 90 degree angle 2 Locate the insert that is in front of the drive bay that yo
5. 2 Configure the settings of the replacement system board 3 Set the jumpers on the replacement system board so they are identical to the ones on the existing board K NOTE Some components and connectors on the replacement system board may be in different locations from the corresponding connectors on the existing system board 4 Orient the replacement board by aligning the notches on the bottom to the tabs on the computer 5 Slide the system board assembly toward the back of the computer until it clicks into place 6 Replace any components and cables that you removed from the system board 7 Reconnect all cables to their connectors at the back of the computer 8 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 9 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page System Setup Program Dell Dimension 8300 Series Service Manual Overview Entering the System Setup Program O Hyper Threading Clearing Forgotten Passwords Overview The system setup program contains the standard settings for your computer NOTICE Unless you are an expert computer user do not change the settings for this program Certain changes might make your computer work incorrectly You can use the system setup program as follows To change the system configuration
6. Back to Contents Page Back to Contents Page Power Supply Dell Dimension 8300 Series Service Manual Removing the Power Supply Replacing the Power Supply Removing the Power Supply A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Open the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components 6 Disconnect the DC power cables from the system board and the drives Note the routing of the DC powe
7. Rea sven rea IDE Interface Cable Connections for Dell I nstalled Drives IDE Channel Connector Location Dell Installed Drive Primary IDE master End connector on PRI IDE connector cable Hard drive Primary IDE slave Middle connector on PRI IDE connector cable Zip drive Secondary IDE master End connector on SEC IDE connector cable CD or DVD drive Secondary IDE slave Middle connector on SEC IDE connector cable CD RW drive Placement of Dell I nstalled Cards Card Connector Card Description AGP connector PCI 1 connector Network adapter wireless network adapter or swap box PCI3 connector PCI 4 connector IEEE 1394 Back to Contents Page Back to Contents Page Dell Dimension 8300 Series Service Manual Notes Notices and Cautions Abbreviations and Acronyms Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A CAUTION A CAUTION indicates a potential for property damage personal injury or death Abbreviations and Acronyms For a complete list of abbreviations and acronyms see the Tell Me How help file If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is s
8. instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before you open the cover 5 Open the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components 6 Disconnect the cooling fan power cable from the FAN2 connector on the system board 7 Disconnect the power cable from the PWR connector on the system board 8 Lift up the airflow shroud n n N gt ahah mn n gt N L 7 EN f f gt T7 77 aA j 5 ja 9 Las d y p F PT TIITTITTITITITI v a D TITITITTI ek tanks g ma
9. is set to Auto If necessary use the left and right arrows to set it to Auto 14 Press lt Enter gt 15 Press lt Esc gt 16 Press lt Enter gt to save changes and exit The computer restarts See the documentation that came with the drive for instructions on installing any software reguired for drive operation Adding or Replacing a CD DVD Drive A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 2 Turn off any attached devices and disconnect them from their electrical outlets 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect the computer power cable from the wall outlet and then press the power button to ground the system board 5 Ground yourself by touching an unpainted metal surface on the chassis such as the metal around the card slot openings at the back of the computer before touching anything inside your computer While you work periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal components NOTICE To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the computer cover Remo
10. system board and remove the jumper plug 6 Close the computer cover plug your computer into an electrical outlet and turn on the computer The existing password s will be erased 7 Shut down the computer NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 8 Turn off any attached devices and disconnect them from their electrical outlets 9 Disconnect the computer power cable from the wall outlet and then press the power button to ground the system board 10 Open the computer cover 11 Reconnect the jumper plug to jumper PSWD on the system board 12 Close the computer cover O NOTI CE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 13 Connect your computer and devices to electrical outlets and turn them on Turning on your computer with the PSWD jumper installed reenables the password feature Back to Contents Page Back to Contents Page Technical Overview Dell Dimension 8300 Series Service Manual Looking Inside Your Computer Power Supply DC Power Connectors O IDE Interface Cable Connections for Dell Installed Drives O Placement of Dell Installed Cards Looking Inside Your Computer K NOTE The AGP card is removed from the following illustration to provide a better view of the inside of your computer CAUTI ON Before you begin any of the procedu
11. the DC operating voltages and currents listed in the following table Output Voltage Minimum Current A Maximum Current A Peak Current A When the current load is outside of the ranges listed but within each specified output current range the 5 V 12 V and 3 3 V outputs are allowed to regulate at 10 of nominal DC voltages IT Maximum continuous total DC output cannot exceed 200 W Maximum continuous combined load on 5 VDC and 3 3 VDC outputs cannot exceed 135 W 2Peak 12 VDC output power up to 12 A does not exceed 15 seconds in duration In this condition the tolerance on the 12 V output is allowed to be 10 3In system applications where 3 3 VDC is not used these values may be 0 A without affecting the regulation on the other outputs The required full load combinations are adjusted so that the total output power is less than or equal to 250 W DC Power Connectors Power Supply DC Connector Pin Assignments SBBSoqoeas SS BSSS OOSSS005 SAB VsVeeeee BBsaeeaes SSSS OOOOE000 DC Power Connector P1 11 12 13 14 15 16 17 18 19 20 0 18 0 0 0 0 0 S 1 15 Cal 0 0 Cal e 0 e Calf Cal Ca L 2 34 67 J 9 10 Pin Number Signal name 18 AWG Wire 3 3 VDC OM 5 VDC O 5 VDC OM Ololsouls wiN fe O 73 3 VDC N C 5 VCD Sense connector DC Power Connector P2 DC Power Connectors P3 P5 P6 P8 and P9 a X JE I ase
12. the computer occurred i ABCD No memory modules are Reinstall all memory modules and restart the computer detected To eliminate the possibility of a faulty memory connector remove all memory modules reinstall one memory module if the computer supports a single module and then restart the computer If the computer starts normally move the memory module to a different connector and restart the computer Continue until you have identified a faulty connector or reinstalled all modules without A E C D error Memory modules are Ensure that there are no special memory module memory connector placement requirements detected but a memory Verify that the memory modules that you are installing are compatible with your computer configuration or compatibility If the problem persists contact Dell See Contacting Dell in your Owner s Manual for technical error exists assistance AJEG ABCD Other failure has occurred Ensure that the cables are properly connected from the hard drive CD drive and DVD drive to the system board Ifthe problem persists contact Dell See Contacting Dell in your Owner s Manual for technical 0000 assistance If there is an error message on your screen identifying a problem with a device such as the floppy ABCD drive or hard drive check the device to ensure that it is functioning properly The operating system is attempting to boot from a device such as the floppy drive or hard drive
13. 1 Record all the screens in the system setup program so that you can restore the correct settings in step 12 2 Shut down the computer through the Start menu 3 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 4 Turn off any attached devices and disconnect them from their electrical outlets 5 Disconnect the computer power cable from the wall outlet and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components 7 Locate the battery socket on the system board NOTICE If you pry the battery out of its socket with a blunt object be careful not to touch the system board with the object Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery Otherwise you may damage the system boa
14. 40 to 65 C 400 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 of 50 8 cm sec 20 inches sec 23 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 NOTE At 35 C 95 F the maximum operating altitude is 914 m 3000 ft 15 2 to 10 670 m 50 to 35 000 ft Back to Contents Page System Board Dell Dimension 8300 Series Service Manual Removing the System Board Replacing the System Board Removing the System Board A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 2 10 Shut down the computer through the Start menu Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTI CE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack Disconnect any telephone or telecommunication lines from the computer Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board CAUTI ON To guard against electrical shock always unplug your computer from the electrical outlet before o
15. Dell Dimension 8300 Series Before You Begin Turning Off Your Computer Opening the Computer Cover Technical Overview Technical Specifications Advanced Troubleshooting System Setup Program Removing and Installing Parts Closing the Computer Cover Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem _ CAUTION A CAUTION indicates a potential for property damage personal injury or death Abbreviations and Acronyms For a complete list of abbreviations and acronyms see the Tell Me How help file If you purchased a Dell n Series computer any references in this document to Microsoft Windows operating systems are not applicable Information in this document is subject to change without notice 2003 2004 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and Dimension are trademarks of Dell Inc Intel and Pentium are registered trademarks of Intel Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc d
16. Information option information Installed System Memory Displays the amount of installed system memory System Memory Speed Displays the speed of your system memory System Memory Channel Mode Displays the mode of your system memory AGP Aperture Displays the amount of aperture memory The default is 128 MB The following table shows CPU Information option information man Cache Size Displays cache size The following table shows Integrated Devices Legacy Select Options option information Option Sound Turns the integrated sound off and on The default is On Network Interface Controller Turns the network interface controller off and on The default is On Mouse Port Turns the mouse port off and on The default is On USB Emulation Turns USB emulation off and on The default is On USB Controller Turns the USB controller off and on The default is On Serial Port 1 Sets serial port options and turns the port off and on The default is Auto Parallel Port Displays parallel port settings when lt Enter gt is pressed The default mode is PS 2 and the I O address default is 378h Diskette Interface Sets diskette interface options The default is Auto PC Speaker Turns the PC speaker off and on The default is On Primary Video Controller Sets the primary video controller The default is AGP The following table shows Power Management option information Suspend Mode Displays the suspend state used
17. ach the connector to the second hard drive Your computer uses cable select drive cables This means that the device connected to the end connector of the drive cable is the master device and the device connected to the middle connector is the slave device Be sure that the jumper setting on the new device is set for cable select see the documentation that came with the drive for information second hard drive cable secondary drive first hard drive cable primary boot drive 13 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 14 Connect your computer and devices to electrical outlets and turn them on 15 See the documentation that came with the drive for instructions on installing any software required for drive operation Adding or Replacing a Floppy Drive A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 2 Turn off any attached devices and disconnect them from their electrical outlets 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power bu
18. an prevent the computer cover from closing properly or cause damage to the equipment 13 Connect any cables that should be attached to the card See the documentation for the card for information about the card s cable connections NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 14 Close the computer cover reconnect the computer and devices to electrical outlets and turn them on 15 Install any drivers required for the card as described in the card documentation Removing a PCI Card A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Open the computer cover 6 Press the lever on
19. by the computer The default is S3 AC Power Recovery Enables AC power recovery to occur The default is Off Low Power Mode Minimizes power use when the computer is off The default is Disabled The following table shows System Security option information Password Locks and unlocks the password option The default is Unlocked Status System Enables and disables the system password The default is Disabled Password Setup Password Enables and disables the setup password The default is Disabled POST Hotkeys Selects key that are active during POST The default is F2 and F12 PXE BIS Default Specifies how the computer will respond to boot integrity services authentication requests when no certificate has been installed When Policy set to Deny the default this request is rejected The request is accepted when set to Accept Boot Sequence This feature allows you to change the boot sequence for devices Changing Boot Sequence for the Current Boot You can use this feature for example to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the ResourceCD but you must set the computer to boot from the hard drive when the diagnostic tests are complete 1 Turn on or restart your computer 2 When the blue DELL logo appears press lt F2 gt immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then
20. cables toward you so that they do not get caught underneath the drives 2 Ensure that no tools or extra parts are left inside the computer 3 Close the cover a Pivot the cover down b Press down on the right side of the cover until it closes c Press down on the left side of the cover until it closes d Ensure that both sides of the cover are locked If not repeat all of step 3 NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 4 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Opening the Computer Cover Dell Dimension 8300 Series Service Manual A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against ele
21. cessor type Intel Pentium 4 microprocessor 2 3 2 and 3 4 for 800 FSB and 2 4 2 for 533 FSB L1 cache L2 cache 512 KB or 1 MB pipelined burst eight way set associative write back SRAM L3 cache NOTE L3 cache is available only with Intel Pentium 4 Extreme Edition processors that support Hyper Threading technology Memory Maximum memory 4 GB NOTE See Addressing Memory with 4 GB Configurations for the amount of memory available to the operating system BIOS address F8000h Computer I nformation System chip set Intel 875P BIOS chip 4 Mb NIC integrated PCI Network Interface System clock 533 or 800 MHz data rate Analog Devices AD1980 AC97 Codec NOTE This audio type is present only on computers with integrated sound capabilities Expansion Bus Bus types PCI and AGP Bus speed PCI 33 MHz AGP 133 MHz AGP connector one connector size 172 pins connector data width maximum 32 bits bus protocols 8x 4x 2x modes at 1 5 V connectors connector size 120 pins connector data width maximum 32 bits Drives Externally accessible two 3 5 inch bays two 5 25 inch bays Available devices ATA 66 or ATA 100 Ultra DMA hard drive serial ATA drive CD drive Zip drive DVD drive CD RW drive DVD CD RW combo drive and DVD RW drive Internally accessible two bays for 1 inch high hard drives Connectors Externally accessible SSS Video PS 2 keyboard and m
22. ctrical shock always unplug your computer from the electrical outlet before opening the cover NOTICE Ensure that sufficient space exists to support the open cover at least 30 cm 1 ft of desk top space 5 Lay the computer on its side so that the arrow on the bottom of the computer points up 6 Open the cover a Facing the back of the computer press the release button on the right side of the computer with one hand while pulling up on the top of the cover with the other hand b Press the release button on the left side of the computer with one hand while pulling up on the top of the cover with the other hand c Hold the bottom of the computer with one hand and then pull open the cover with the other hand release button 4 aN f OK SN E 3 VE I d J a gm O af F S ir rD T 7 f z AN di oa A TIF ITT ve arrow F lt e release button Back to Contents Page Back to Contents Page Drives Dell Dimension 8300 Series Service Manual Replacing the Hard Drive Adding a Second Hard Drive Adding or Replacing a Floppy Drive Adding or Replacing a CD DVD Drive Your computer supports one floppy drive and a maximum combination of up to four of any of the following drives NOTE Install only IDE hard drives or serial ATA hard drives in your computer You cannot install both types of drives Two hard drives IDE Serial ATA Two CD or DVD drives One Z
23. d hard drive cables from the drive power cable tabs 2 serial ATA hard drive serial ATA hard drive cable tabs 2 IDE hard drive cable DE hard drive 7 system board 2 Connector system board connector IDE hard drive example serial ATA hard drive example 2 Press in on the tabs on each side of the drive and slide the drive up and out Installing a Hard Drive 1 Unpack the replacement hard drive and prepare it for installation 2 Check the documentation for the drive to verify that it is configured for your computer 3 If your replacement hard drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Attach the bracket rails to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightening all four screws two screws on each rail drive bracket rails 2 4 Install the hard drive into the computer by gently sliding the drive into place until you hear or feel it securely click NOTICE Match the colored strip on the cable with pin 1 on the drive pin 1 is marked as 1 power cable O tabs 2 p serial ATA power cable Stabs 2 y IDE hard if hard drive drive cable N serial ATA IDE hard hard drive cable drive W J if if if N a N Ji system board P ji co
24. es in the next section If you are removing but not replacing a card see Removing a Card Installing a PCI Card A CAUTION Before you begin any of the procedures in this section follow the safety instructions listed in your Owner s Manual 1 If you are replacing a card remove the current driver for the card from the operating system 2 Shut down the computer through the Start menu 3 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 4 Disconnect any telephone or telecommunication lines from the computer 5 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the computer cover 7 Press the lever on the card retention arm and raise the retention arm filler bracket retention arm lever 8 If you are installing a new card remove the filler bracket to create a card slot opening Then continue with step 10 9 If you are replacing a card that is already installed in the computer remove the card If necessary disconnect any cable
25. f p 21 f a 5 y d d KU ITTIMITTITII ITTIITITIIN eT FIT 7ITT1777777977 Y v7 Ty IIIFIVIIIIT FI 777777 TIITT TITTI PTTIIITTIIITIT gt 77 f 7 0000 A CAUTI ON The heat sink can get very hot during normal operation Be sure that the heat sink has had sufficient time to cool before you touch it 9 Remove the heat sink a Release the retention module clip by pressing in on the tab and lifting the retention module clip up retention module clip retention module b Pull the release lever out until the heat sink is released heat sink release lever microprocessor socket retention module c Lift the heat sink away from the microprocessor NOTI CE Lay the heat sink down with the thermal grease facing upward NOTICE If you are installing a microprocessor upgrade kit from Dell discard the original heat sink If you are not installing a microprocessor upgrade kit from Dell reuse the original heat sink and blower when you install your new microprocessor NOTICE Be careful not to bend any of the pins when you remove the microprocessor from the socket Bending the pins can permanently damage the microprocessor 11 Remove the microprocessor from the socket Leave the release lever extended in the release position so that the socket is ready for the new microprocessor ZIF socket lever microprocessor microprocessor socket In
26. failure 3 3 1 NVRAM power loss 3 3 2 NVRAM configuration 3 3 4 Video Memory Test failure 3 4 1 Screen initialization failure 3 4 2 Screen retrace failure 3 4 3 Search for video ROM failure 4 2 1 No time tick 4 2 2 Shutdown failure 4 2 3 Gate A20 failure 4 2 4 Unexpected interrupt in protected mode 4 3 3 Timer chip counter 2 failure 4 3 4 Time of day clock stopped 4 4 1 Serial or parallel port test failure 4 4 4 Cache test failure System Messages NOTE If the message you received is not listed in the table see the documentation for either the operating system or the program that was running when the message appeared Message 8042 Gate A20 error Address Line Short C Drive Error C Drive Failure Cache Memory Not Bad Do Enable Cache CH 2 Timer Error CMOS Low Battery State CMOS Checksum Failure CMOS System Options Not Set CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS Time and Date Not Set Diskette Boot Failure DMA E DMA 1 Error DMA 2 Error FDD Controller hr Failure DD Controller Failure NTR Error NTR2 Error Boot Diskette Invalid Keyboard Error Interface E Basic Back to Contents Page Possible Cause Corrective Action The keyboard controller failed its test If you receive this message after you make changes in the s mn setup
27. ff when you shut down your computer press and hold the power button for 4 seconds NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board 5 Remove the computer stand if it is attached A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components Back to Contents Page Back to Contents Page Cards Dell Dimension 8300 Series Service Manual PCI Cards AGP Cards PCI Cards A CAUTION Before you begin any of the procedures in this section follow the safety instructions listed in your Owner s Manual A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover Your Dell computer provides slots for up to four 32 bit 33 MHz cards If you are installing or replacing a card follow the procedur
28. hed devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Open the computer cover Removing an AGP Card 1 Remove the filler bracket by raising the hinged lever and sliding the bracket up 2 Press the card lever toward the PCI connector 3 Pull the card up and out of the card clip card clip AGP connector PCI connector back of computer Installing an AGP Card 1 To add or replace the card press the card lever toward the PCI connector and gently press the card into the AGP connector until it clicks into place AGP card card clip lever card clip slot connector 2 Release the card lever ensuring that the tab fits into the notch on the front end of the card 3 Secure the card by lowering the hinged lever on the back panel 4 Close the computer cover 5 Connect the monitor cable to the card s video connector NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 6 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Closing the Computer Cover Dell Dimension 8300 Series Service Manual 1 Ensure that all cables are connected and fold cables out of the way Gently pull the power
29. information after you add change or remove any hardware in your computer To set or change user selectable options for example the user password Dell recommends that you write down the system setup program screen information for future reference Entering the System Setup Program Viewing Settings 1 Turn on or restart your computer 2 When the blue DELL logo appears press lt F2 gt immediately If you wait too long and the operating system logo appears continue to wait until you see the Microsoft Windows desktop Then shut down your computer and try again See the following figure for an example of the main program screen Dell Dimension 8300 Intel Pentium 4 Processor ann GHz BIOS Version nnn Level 2 Cache nnn KB Integrated Service Tag nnnnnn System Time 00 00 00 System Date DAY MO DATE YR Drive Configuration lt Enter gt Boot Sequence lt Enter gt Memory Information lt Enter gt CPU Information lt Enter gt Integrated Devices LegacySelect Options lt Enter gt Power Management lt Enter gt System Security lt Enter gt Keyboard NumLock Report Keyboard Errors Auto Power On Fast Boot OS Install Mode IDE Hard Prive Acoustics Mode System Event Log Asset Tag System Setup Screens The system setup program screens display the current configuration information for your computer Information on the screen is divided into five areas Title The box at the top of all scree
30. ip drive Replacing the Hard Drive 7 CAUTI ON Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual NOTI CE To avoid damage to the drive do not set it on a hard surface Instead set the drive on a surface such as a foam pad that will sufficiently cushion it If you are replacing a hard drive that contains data you want to keep back up your files before you begin this procedure Shut down the computer through the Start menu NOTI CE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack Turn off any attached devices and disconnect them from their electrical outlets Disconnect any telephone or telecommunication lines from the computer Disconnect the computer power cable from the wall outlet and then press the power button to ground the system board Ground yourself by touching an unpainted metal surface on the chassis such as the metal around the card slot openings at the back of the computer before touching anything inside your computer While you work periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal components NOTI CE To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover Open the computer cover Removing a Hard Drive 1 Disconnect the power an
31. isclaims any proprietary interest in trademarks and trade names other than its own March 2004 Rev A03 Back to Contents Page Advanced Troubleshooting Dell Dimension 8300 Series Service Manual Diagnostic Lights Beep Codes System Messages Diagnostic Lights To help you troubleshoot a problem your computer is equipped with four lights on the back panel labeled A B C and D These lights can be yellow or green When the computer starts normally the lights flash After the computer starts all four lights will display solid green If the computer malfunctions the color and seguence of the lights identify the problem A CAUTI ON Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual Light Pattern Problem Description Suggested Resolution The computer is in anormal Verify that the computer is plugged into a working electrical outlet and that you have pressed the power off condition or a possible button pre BIOS failure has occurred O O Q Q ABCD Memory modules are If you have one memory module installed reinstall the module and restart the computer detected but a memory If you have two or more memory modules installed remove the modules reinstall one module failure has occurred and then restart the computer If the computer starts normally reinstall an additional module ABCD Continue until you have identified a faulty module or reinstalled a
32. ll modules without error If available install properly working memory of the same type into your computer If the problem persists contact Dell See Contacting Dell in your Owner s Manual for technical assistance A possible expansion card Determine if a conflict exists by removing a card not the video card and then restarting the failure has occurred computer If the problem persists reinstall the card that you removed remove a different card and then restart the computer Repeat this process for each card If the computer starts normally troubleshoot the last card ABCD removed from the computer for resource conflicts see Resolving Software and Hardware Incompatibilities in your Owner s Manual If the problem persists contact Dell See Contacting Dell in your Owner s Manual for technical assistance HEY ABCD A possible video card failure If the computer has a video card remove the card and reinstall it and restart the computer has occurred If the problem still exists install a video card that you know works and restart the computer If the problem persists or the computer has integrated video contact Dell See Contacting Dell in your Owner s Manual for technical assistance i ABCD A possible floppy or hard Reseat all power and data cables and restart the computer drive failure has occurred i ABCD A possible USB failure has Reinstall all USB devices check cable connections and then restart
33. ment options when lt Enter gt is pressed System Security Displays system security options when lt Enter gt is pressed Keyboard Numlock Turns the Keyboard NumLock option on and off The default is On Report Keyboard Errors Displays keyboard errors when set to Report The default is Report Auto Power On Allows auto power on The default is Disabled Fast Boot Turns the fast boot option on and off The default is On OS Install Mode Turns the OS Install Mode on and off The default is Off IDE Hard Drive Acoustics Mode Sets the performance speed of your hard drive The default is Bypass System Event Log Displays the system event log when lt Enter gt is pressed Asset Tag Displays asset tag information The following table shows Drive Configuration option information Diskette Drive A Displays floppy drive details SATA Primary Drive Displays SATA primary hard drive if installed The default is Auto SATA Secondary Drive Displays SATA secondary hard drive if installed The default is Auto IDE Primary Drive O Displays primary hard drive 0 The default is Auto IDE Primary Drive 1 Displays primary hard drive 1 if installed The default is Off IDE Secondary Drive 0 Displays secondary hard drive 0 The default is Auto IDE Secondary Drive 1 Displays secondary hard drive device type The default is Off IDE Drive UDMA Turns I DE Drive UDMA on and off The default is On The following table shows Memory
34. modules installed in connectors DIMM1 and DIMM2 and another matched pair installed in connectors DIMM3 and DIMM4 Additional memory recommendations include Do not install ECC memory modules If you install mixed pairs PC2700 DDR 333 MHz and PC3200 DDR 400 MHz of memory modules they function at the slowest speed of the modules you install Be sure to install a single memory module in DIMM 1 or the connector closest to the processor before you install modules in the other connectors KS matched pair of memory N in connectors DIMM3 and DIMM4 matched pair of memory modules in connectors DIMM1 and DIMM2 NOTICE If you remove your original memory modules from the computer during a memory upgrade keep them separate from any new modules that you may have even if you purchased the new modules from Dell You should install your original memory modules in pairs either in connectors DIMM1 and DIMM2 or connectors DIMM3 and DIMM4 If possible do not pair an original memory module with a new memory module Otherwise your computer may not function at optimal performance K NOTE Memory purchased from Dell is covered under your computer warranty Addressing Memory with 4 GB Configurations Your computer supports a maximum of 4 GB of memory when you use four 1 GB DIMMs Current operating systems such as Microsoft Windows XP can only use a maximum of 4 GB of address space however the amount of memory available to the operati
35. ng system is less than 4 GB Certain components within the computer require address space in the 4 GB range Any address space reserved for these components cannot be used by computer memory I nstalling Memory A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attached devices from their electrical outlets and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Open the computer cover 6 Lay the computer on its side so that the system board is on the bottom of the inside of the computer 7 If necessary remove a memory module a Press out the securing clip at each end of the memory module connector b Grasp the module and pull up If the module is difficult to remove gently ease the module back and forth to remove it from the connector 8 Toinsert a module
36. nnector N N system board 2 Wd connector IDE hard drive example serial ATA hard drive example 5 Connect the power and hard drive cables to the drive 6 Check all connectors to be certain that they are properly cabled and firmly seated 7 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 8 Connect your computer and devices to electrical outlets and turn them on See the documentation that came with the drive for instructions on installing any software required for drive operation Adding a Second Hard Drive A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual NOTICE To avoid damage to the drive do not set it on a hard surface Instead set the drive on a surface such as a foam pad that will sufficiently cushion it 1 Check the documentation for the drive to verify that it is configured for your computer 2 Shut down the computer through the Start menu NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Turn off any attached devices and disconnect them from their electrical outlets 4 Disconnect any telephone or telecommunication lines from the computer 5 Disconnect your computer and all attached devices from their electrical outlets and then press the power button
37. ns that lists the computer name Computer data Two boxes below the title box that display your computer processor L2 cache service tag and the version number of the BIOS Options A scrollable box listing options that define the configuration of your computer including installed hardware power conservation and security features Fields to the right of the option titles contain settings or values The fields that you can change appear bright on the screen The fields that you cannot change because they are set by the computer appear less bright When lt Enter gt appears to the right of an option title press lt Enter gt to access a popup menu of additional options Key functions A line of boxes across the bottom of all screens that lists keys and their functions within system setup Help Press lt F1 gt for information on the option that is selected highlighted Option Function System Time Displays the system time System Date Displays the system date Drive Configuration Displays drive configurations when lt Enter gt is pressed Boot Sequence Displays boot sequence when lt Enter gt is pressed Memory Information Displays amount of system memory when lt Enter gt is pressed CPU Information Displays CPU information when lt Enter gt is pressed Integrated Devices Legacy Select Options Displays integrated device options when lt Enter gt is pressed Power Management Displays power manage
38. ouse USB 2 0 compliant connectors 5 1 Audio five connectors for line in line out microphone surround and center Low Freguency Effects LFE channel one front panel connector for headphones NOTE These audio connectors are present only on computers with integrated sound capabilities Controls and Lights Power control push button Power light green light on power button blinking green in sleep states solid green for power on states Link integrity light on integrated network adapter green light for 10 Mb operation orange light for 100 Mb operation Diagnostic code lights four bicolor amber and green located on back panel Power Wattage 250 W or 305 W Heat dissipation 853 BTU fully loaded computer without monitor Voltage see the safety instructions in your 90 to 135 V at 50 60 Hz Owner s Manual for important voltage setting 180 to 265 V at 50 60 Hz information 100 V at 50 60 Hz for Japanese computers Backup battery 3 V CR2032 lithium coin cell Physical Height 42 5cm 16 7 inches Width 18 1 cm 7 13 inches Depth 44 7 cm 17 6 inches Weight 12 7 kg 28 Ib Environmental Temperature Operating Storage Relative humidity Operating Storage Maximum shock Operating Storage Altitude Operating Storage Back to Contents Page Maximum vibration 10 to 35 C 50 to 95 F NOTE At 35 C 95 F the maximum operating altitude is 914 m 3000 ft
39. pening the cover Open the computer cover NOTICE Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components NOTI CE The system board and metal tray are connected and are removed as one piece Remove any components that restrict access to the system board Disconnect all cables from the system board Before you remove the existing system board assembly visually compare the replacement system board to the existing system board to make sure that you have the correct part Pull up on the tab and slide the system board assembly toward the front of the computer and then lift it up and away system board assembly tab Place the system board assembly that you just removed next to the replacement system board Replacing the System Board 1 Transfer components from the existing system board to the replacement system board a Remove the memory modules and install them on the replacement board A CAUTION The microprocessor package and heat sink assembly can get hot To avoid burns ensure that the package and assembly have had sufficient time to cool before you touch them b Remove the heat sink assembly and microprocessor from the existing system board and transfer them to the replacement system board
40. press out the securing clip at each end of the memory module connector c 23 VV ansa NN memory connector closest to microprocessor z securing clips 2 connector 9 Align the notch on the bottom of the module with the crossbar in the connector notch memory module cutouts 2 NOTICE To avoid breaking the memory module do not press near the middle of the module 10 Insert the module straight down into the connector ensuring 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 11 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 12 Connect your computer and devices to electrical outlets and then turn them on 13 Click the Start button right click My Computer and then click Properties 14 Click the General tab 15 To verify that the memory is installed correctly check the amount of memory RAM listed Back to Contents Page Back to Contents Page Microprocessor Dell Dimension 8300 Series Service Manual Removing the Microprocessor Installing the Microprocessor Removing the Microprocessor A CAUTION Before you begin any of the procedures in this section follow the safety
41. r cables underneath the tabs in the computer frame as you remove them from the system board and drives You must route these cables properly when you replace them to prevent their being pinched or crimped 7 Remove the two screws that attach the power supply to the back of the computer frame 8 Press the release button located on the floor of the computer frame DC power cables push button 9 Slide the power supply toward the front of the computer approximately 1 inch 10 Lift the power supply up and out of the computer Replacing the Power Supply 1 Slide the power supply into place 2 On the small mini tower computer replace the two screws that secure the power supply to the back of the computer frame 3 Reconnect the DC power cables 4 Connect the AC power cable to the connector 5 Run the cables underneath the clips and press the clips to close them over the cables 6 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 7 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Technical Specifications Dell Dimension 8300 Series Service Manual Microprocessor Drives Memory Connectors Computer Information Controls and Lights Video Power Audio Physical Expansion Bus Environmental Microprocessor Micropro
42. r is using Hyper Threading technology 1 Click the Start button right click My Computer and then click Properties 2 Click Hardware and click Device Manager 3 In the Device Manager window click the plus sign next to the processor type If Hyper Threading is enabled the processor is listed twice You can enable or disable Hyper Threading through the system setup program For more information on Hyper Threading search the Knowledge Base on the Dell Support website at support dell com Clearing Forgotten Passwords A CAUTI ON Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual If you forget your user or setup password you cannot operate your computer or change settings in the system setup program until you clear the forgotten password s NOTICE This process erases both the system and setup passwords 1 Shut down the computer through the Start menu NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 2 Turn off any attached devices and disconnect them from their electrical outlets 3 Disconnect the computer power cable from the wall outlet and then press the power button to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 4 Open the computer cover 5 Locate jumper PSWD on the
43. rd by prying off the socket or by breaking circuit traces on the system board 8 Remove the battery by carefully prying it out of its socket with your fingers or with a blunt nonconducting object such as a plastic screwdriver 9 Insert the new battery into the socket with the side labeled facing up and snap the battery into place battery battery socket BATTERY a 2 10 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 11 Connect your computer and devices to electrical outlets and turn them on 12 Enter the system setup program and restore the settings you recorded in step 1 13 Properly dispose of the old battery See the safety instructions in your Owner s Manual Back to Contents Page Back to Contents Page Before You Begin Dell Dimension 8300 Series Service Manual Getting Started Recommended Tools Shutting Down Your Computer Getting Started This section provides procedures for removing and installing the components in your computer Unless otherwise noted each procedure assumes that the following conditions exist You have performed the steps in Shutting Down Your Computer You have read the safety information in your Owner s Manual Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver
44. re the microprocessor NOTICE If you are not installing a microprocessor upgrade kit from Dell reuse the original heat sink assembly when you replace the microprocessor If you installed a microprocessor replacement kit from Dell return the original heat sink assembly and microprocessor to Dell in the same package in which your replacement kit was sent 6 Install the heat sink a Insert the notched end of the heat sink onto the end of the retention base that is opposite the hinge b Lower the heat sink until it fits securely in the base heat sink microprocessor socket retention module c When the heat sink is secured pivot the retention module clip back until the tab snaps into place to secure the heat sink retention module clip retention module 7 Lower the airflow shroud over the heat sink 8 Reconnect the cooling fan power cable to the FAN2 connector on the system board 9 Reconnect the power cable to the PWR connector on the system board 10 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 11 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page Back to Contents Page Removing and Installing Parts Dell Dimension 8300 Series Service Manual Cards Microprocessor Memory System Board Front Panel Power Supply Drives Battery
45. res in this section follow the safety instructions listed in When Working Inside Your Computer in your Owner s Manual NOTICE Be careful when opening the computer cover to ensure that you do not inadvertently disconnect cables from the system board computer cover drive cables power cables filler brackets for empty card slots 4 system board Depending on the types of drives installed in your computer the cover may not open as widely as shown in the figure System Board password jumper N PASSWORD kai hard drive CD drive battery socket salt FLOPPY connector connector BATTERY front panel connector PRI IDE SEC IDE FRONT PANEL main power connector SCSI LED header MAIN POWER ok S n E SCSI_LED memory module i L si aja NA SA connectors a 3 E SATA 0 and DIM M4 SATA 1 N P K m pist Kn 0 AGP slot connector connectors 2 AGP DIMM1 133 0 02 DIMM3 jj IM PCI card A connectors PC11 PCI4 microprocessor fan connector FAN 2 microprocessor connector CPU 0 IDO op O a j K front panel audio cable connector FP AUDIO power connector PWR telephony voice modem connector TELE CD audio connector CD back of computer On computers with optiona integrated sound Power Supply The 250 W power supply can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50 Hz The power supply provides
46. s connected to the card Grasp the card by its top corners and ease it out of its connector 10 Prepare the card for installation See the documentation that came with the card for information on configuring the card making internal connections or otherwise customizing it for your computer CAUTION Some network adapters automatically start the computer when they are connected to a network To guard against electrical shock be sure to unplug your computer from its electrical outlet before installing any cards Verify that the standby power light on the system board is off 11 Place the card in the connector and press down firmly Ensure that the card is fully seated in the slot If the card is full length insert the end of the card into the card guide bracket as you lower the card toward its connector on the system board Insert the card firmly into the card connector on the system board not fully seated card fully seated card bracket caught outside of slot bracket within slot 12 Before you lower the retention arm ensure that The tops of all cards and filler brackets are flush with the alignment bar The notch in the top of the card or filler bracket fits around the alignment guide Press the arm into place securing the card s in the computer retention arm alignment guide alignment bar filler bracket NOTICE Do not route card cables over or behind the cards Cables routed over the cards c
47. shut down your computer and try again The Boot Device Menu appears listing all available boot devices Each device has a number next to it 3 At the bottom of the menu enter the number of the device that is to be used for the current boot only Changing Boot Sequence for Future Boots 1 Enter the system setup program 2 Use the arrow keys to highlight the Boot Sequence menu option and press lt Enter gt to access the pop up menu E NOTE Write down your current boot sequence in case you want to restore it 3 Press the up and down arrow keys to move through the list of devices 4 Press the spacebar to enable or disable a device enabled devices have a checkmark 5 Press plus or minus to move a selected device up or down the list Hyper Threading Hyper Threading is an Intel technology that can enhance overall computer performance by allowing one physical microprocessor to function as two logical microprocessors capable of performing certain tasks simultaneously It is recommended that you use the Microsoft Windows XP operating system because Windows XP is optimized to take advantage of Hyper Threading technology While many programs can benefit from Hyper Threading some programs have not been optimized for Hyper Threading and may require an update from the software manufacturer Contact the software manufacturer for updates and information about using Hyper Threading with your software To determine if your compute
48. stalling the 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 If any of the pins on the microprocessor appears to be bent see Contacting Dell in the Owner s Manual for instructions on obtaining technical assistance 1 Unpack the new microprocessor NOTICE You must position the microprocessor correctly in the socket to avoid permanent damage to the microprocessor and the computer when you turn on the computer 2 If the release lever on the socket is not fully extended move it to that position 3 Align the pin 1 corners of the microprocessor and socket pin 1 corners of the microprocessor A and socket aligned lt socket lever microprocessor microprocessor socket NOTI CE When you place the microprocessor in the socket ensure that all of the pins fit into the corresponding holes on the socket 4 Set the microprocessor lightly in the socket and ensure that all pins are headed into the correct holes Do not use force which could bend the pins if the microprocessor is misaligned When the microprocessor is positioned correctly press it with minimal pressure to seat it 5 When the microprocessor is fully seated in the socket pivot the release lever back toward the socket until it snaps into place to secu
49. the card retention arm and raise the retention arm 7 If necessary disconnect any cables connected to the card 8 Grasp the card by its top corners and ease it out of its connector 9 If you are removing the card permanently install a filler bracket in the empty card slot opening If you need a filler bracket contact Dell See Contacting Dell in your Owner s Manual for technical assistance 10 Lower the retention arm and press it into place securing the card s in the computer NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 11 Close the computer cover reconnect the computer and devices to electrical outlets and then turn them on 12 Remove the card s driver from the operating system AGP Cards A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual Your Dell computer provides a connector for an AGP card 1 Shut down the computer through the Start menu 2 Ensure that your computer and attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your computer turn them off now NOTICE To disconnect a network cable first unplug the cable from your computer and then unplug it from the network wall jack 3 Disconnect any telephone or telecommunication lines from the computer 4 Disconnect your computer and all attac
50. to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 6 Open the computer cover 7 Remove the two green plastic rails from the inside of the hard drive bay by gently pulling the rails up and out of the bay 8 Attach the rails to the hard drive using the two screws attached to the rails Ensure that the rail tabs are positioned at the back of the hard drive NOTICE Do not install any drive into the lower hard drive bay until you have removed the green drive rails from the inside of the hard drive bay 9 Remove the first hard drive from the upper bay and install it in the lower bay a Disconnect the power and the hard drive cables from the back of the first hard drive b Press in the two green rail tabs and pull the first hard drive out of the upper bay c Gently slide the first hard drive into the lower bay until you hear or feel a click d Reconnect the power and hard drive cables to the back of the first hard drive 10 Gently slide the new hard drive into the upper bay until you hear or feel a click rail tabs 2 second hard drive in upper bay first hard drive in lower bay hard drive bay 11 Connect a power cable to the drive NOTICE Match the colored strip on the cable with pin 1 on the drive 12 Locate the extra connector on the drive cable that is attached to your first hard drive and att
51. tton to ground the system board A CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the cover 5 Open the computer cover Installing a Floppy Drive 1 Remove the front panel inserts 2 Gently slide the drive into place until the tabs securely click into position 3 Attach the floppy drive cable to the floppy drive and to the system board floppy drive connector Ensure that you route the floppy drive cable through the cable restraint located on the side of the floppy drive bay 4 Attach the floppy drive power cable to the floppy drive power cable floppy drive cable cable restraint system board floppy drive connector 5 Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents 6 Close the computer cover NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer 7 Connect your computer and devices to electrical outlets and turn them on 8 After you turn on your computer press lt F2 gt when you are prompted to enter setup mode 9 Highlight Drive Configuration and press lt Enter gt 10 Use the left and right arrows to change Diskette Drive A from Not Installed to 3 5 inch 1 44 MB 11 Press lt Enter gt 12 Highlight Integrated Devices LegacySelect Options and press lt Enter gt 13 Make sure that the Diskette Interface entry
52. u want to use 3 From inside the computer press in the release tab of the insert insert release tabs 4 4 From outside the computer pull the insert away from the computer s front panel 5 Remove the insert from the insert frame by pressing on the four tabs insert frame for floppy drive bay insert frame for CD DVD drive bay 6 Reattach the empty insert frame over the front of the drive bay The insert frame fits only one way Back to Contents Page Back to Contents Page Memory Dell Dimension 8300 Series Service Manual DDR Memory Overview Installing Memory You can increase your computer memory by installing memory modules on the system board For information on the type of memory supported by your computer see Memory in Technical Specifications DDR Memory Overview DDR memory modules should be installed in pairs of matched memory size This means that if you purchased your computer with 256 MB of memory installed and you want to add another 256 MB of memory you must install it in the appropriate connector If the DDR memory modules are not installed in matched pairs the computer will continue to operate but with a slight reduction in performance K4 NOTE Always install DDR memory modules in the order indicated on the system board The recommended memory configurations are A pair of matched memory modules installed in connectors DIMM1 and DIMM2 or A pair of matched memory
53. ubject to change without notice 2003 2004 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and Dimension are trademarks of Dell Inc Intel and Pentium are registered trademarks of Intel Corporation Microsoft and Windows are registered trademarks of Microsoft Corporation Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own March 2004 Rev A03 Back to Contents Page Back to Contents Page Turning Off Your Computer Dell Dimension 8300 Series Service Manual NOTICE To avoid losing data turn off your computer by performing a Microsoft Windows operating system shutdown as described next rather than by pressing the power button 1 Save and close any open files exit any open programs click the Start button and then click Turn Off Computer 2 In the Turn off computer window click Turn off The computer turns off after the shutdown process finishes Back to Contents Page
54. ving a CD DVD Drive 1 Disconnect the power audio and CD DVD drive cables from the back of the drive power cable J Emo cable CD DVD drive cable A 9 fa f 2 Press inward on the two tabs on the sides of the drive and then slide the drive upward and remove it from the drive bay wN a ee a ko Installing a CD DVD Drive 1 If you are installing a new drive unpack the drive and prepare it for installation Check the documentation that accompanied the drive to verify that the drive is configured for your computer If you are installing an IDE drive configure the drive for the cable select setting 2 Connect the new drive to the set of rails that are attached to the inside of the cover If a set of rails is not attached inside the cover contact Dell See Contacting Dell in your Owner s Manual for technical assistance 3 If you are installing a replacement drive and the new drive does not have the bracket rails attached remove the rails from the old drive by removing the two screws that secure each rail to the drive Attach the bracket to the new drive by aligning the screw holes on the drive with the screw holes on the bracket rails and then inserting and tightening all four screws two screws on each rail drive bracket rails 2 4 Gently slide the drive into place until the tabs securely click into position 5 Connect the power audio and CD DVD drive cables to the drive
55. yboard or system board may need to be replaced POST The operating system cannot be located on drive A Enter the system setup program and confirm that drive A or drive C is or drive C properly identified The BIOS has detected a stuck key Ensure that nothing is resting on the keyboard if a key appears to be stuck carefully pry it up If the problem persists you may need to replace the keyboard Ensure that nothing is resting on the keyboard if a key appears to be stuck carefully pry it up If the problem persists you may need to replace the keyboard The operating system cannot be located on drive A Enter the system setup program and confirm that drive A or drive C is or drive C properly identified An error occurred with the keyboard connector Back to Contents Page Battery Dell Dimension 8300 Series Service Manual A CAUTION Before you begin any of the procedures in this section follow the safety instructions in your Owner s Manual A coin cell battery maintains computer configuration date and time information The battery can last several years If you have to repeatedly reset time and date information after turning on the computer replace the battery CAUTION A new battery can explode 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 replace the battery

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