Dell Dimension XPS G4, Service Manual

Page 1: ...c is strictly forbidden Trademarks used in this text Dell the DELL logo Inspiron Dell Precision Dimension OptiPlex Latitude PowerEdge PowerVault PowerApp and Dell OpenManage 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...

Page 2: ...conds Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety 1 Turn off your computer NOTICE To avoid losing data save and close any open files and exit any open programs before you turn off your computer CAUTION Before you begin any of the procedures in this section follow the safety i...

Page 3: ...over Back to Contents Page CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the 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 ...

Page 4: ... of the computer B Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide CAUTION To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on th...

Page 5: ...e such as your CD player is operating 2 power button Press to turn on the computer NOTICE To avoid losing data do not use the power button to turn off the computer Instead perform an operating system shutdown 3 drive door Open the drive door to access the floppy and CD DVD drives 4 front panel door Open the door to use the front panel connectors NOTE The front door is removable if you remove it or...

Page 6: ...lock the vents 2 cover latch release To open the computer lay the computer on its side with the cover latch release at the top and then push the latch to the left For more information see Opening the Computer Cover 3 network adapter connector To attach your computer to a network or broadband device connect one end of a network cable to either a network jack or to your network or broadband device C...

Page 7: ...the network connector 11 power connector Insert the power cable 12 power supply fans For optimal cooling two power supply fans are provided Do not block the vents 13 card slots Access connectors for any installed PCI cards four slots and PCI Express cards one x16 slot and one x1 slot 14 USB 2 0 connectors 6 Use the back USB connectors for devices that typically remain connected such as printers an...

Page 8: ...or the amount of memory available to the operating system BIOS address F0000h Computer Information Chip set Intel 925XE Express or Intel 925X Express DMA channels eight Interrupt levels 24 BIOS chip NVRAM 4 Mb NIC Integrated network interface capable of 10 100 1000 communication System clock 800 MHz or 1066 MHz data rate Video Type PCI Express Expansion Bus Bus type PCI 2 3 PCI Express x1 and x16 ...

Page 9: ... pin connectors Floppy drive 34 pin connector Fan 5 pin connector PCI 2 3 four 120 pin connectors PCI Express x1 36 pin connector PCI Express x16 164 pin connector Telephony TAPI 4 pin connector Controls and Lights Power control push button Power light green light Blinking green in sleep state solid green for power on state amber light Blinking amber indicates a problem with an installed device so...

Page 10: ...3 inches Width 22 2 cm 8 7 inches Depth 48 8 cm 19 2 inches Weight 19 kg 42 lb Environmental Temperature Operating 10 to 35 C 50 to 95 F NOTE At 35 C 95 F the maximum operating altitude is 914 m 3000 ft Storage 40 to 65 C 40 to 149 F Relative humidity 20 to 80 noncondensing Maximum vibration Operating 0 25 G at 3 to 200 Hz at 0 5 octave min Storage 0 5 G at 3 to 200 Hz at 1 octave min Maximum shoc...

Page 11: ...he voltage selection switch is set to match the AC power at your location if applicable Ensure that the processor power cable is securely connected to the system board l If the power light is steady amber a device might be malfunctioning or incorrectly installed Remove and then reinstall the memory modules Remove and then reinstall any cards Remove and then reinstall the graphics card if applicabl...

Page 12: ...y modules installed remove the modules reinstall one module and then restart the computer If the computer starts normally reinstall an additional module Continue until you have identified a faulty module or reinstalled all modules without error l If available install properly working memory of the same type into your computer l If the problem persists contact Dell Memory modules are detected but a...

Page 13: ...ng when the message appeared Message Possible Cause Corrective Action 8042 Gate A20 error The keyboard controller failed its test If you receive this message after you make changes in the system setup program enter the system setup program and restore the original value s Address Line Short An error in the address decoding circuitry in the memory has occurred Reseat the memory modules C Drive Erro...

Page 14: ...able at both ends INTR1 Error INTR2 Error An interrupt channel on the system board failed to POST The keyboard or system board may need to be replaced Invalid Boot Diskette The operating system cannot be located on drive A or drive C Enter the system setup program and confirm that drive A or drive C is properly identified Keyboard Error The BIOS has detected a stuck key Ensure that nothing is rest...

Page 15: ...er user do not change the settings for this program Certain changes can make your computer work incorrectly Options List This field appears on the left side of the system setup program window The field is a scrollable list containing features that define the configuration of your computer including installed hardware power conservation and security features Scroll up and down the list by using the...

Page 16: ...g l Performance The hard drive operates at its maximum speed l Suggested The hard drive operates at the level suggested by the drive manufacturer NOTES Switching to performance mode may cause the drive to be noisier but its performance is not affected Changing the acoustics setting does not alter your hard drive image Security This section displays available system security options Admin Password ...

Page 17: ...nter the number of the device that is to be used for the current boot only For example if you are booting to a USB memory key highlight USB Flash Device and press Enter Changing Boot Sequence for Future Boots 1 Enter the system setup program Suspend Mode l S3 A standby mode where the power is reduced or turned off for most components NOTE System memory remains active Maintenance CMOS Defaults This...

Page 18: ... electrical outlet 7 Disconnect the computer power cable from the electrical outlet and press the power button to ground the system board 8 Open the computer cover 9 Locate the 3 pin password jumper on the system board and attach the jumper to pins 1 and 2 to reenable the password feature 10 Replace the computer cover 11 Connect your computer and devices to electrical outlets and turn them on Clea...

Page 19: ... pins 2 and 3 c Place the jumper plug on pins 1 and 2 and wait approximately 5 seconds d Replace the jumper plug on pins 2 and 3 3 Close the computer cover 4 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer ...

Page 20: ...ptiPlex Latitude PowerEdge PowerVault PowerApp and Dell OpenManage 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 prop...

Page 21: ...of matched memory modules installed in DIMM connectors 1 and 2 or A pair of matched memory modules installed in DIMM connectors 1 and 2 and another matched pair installed in DIMM connectors 3 and 4 l If you install mixed pairs of DDR2 400 MHz PC2 3200 and DDR2 533 MHz PC2 4200 memory the modules function at the slowest speed installed Similarly if you install memory modules with mixed CAS Latency ...

Page 22: ...ecuring clips snap into the cutouts at each end of the module NOTE Memory purchased from Dell is covered under your computer warranty 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 If possible do not pair an original memory module with a new memory ...

Page 23: ...from the operating system If you are installing or replacing a PCI Express card see Installing a PCI Express Card Installing a PCI Card 1 Follow the procedures in Before You Begin 2 Press the lever on the card retention arm and raise the retention arm NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer CAUTION Before you begin any of...

Page 24: ...n 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 7 Before you lower the retention arm ensure that l The tops of all cards and filler brackets are flush with the alignment bar l Th...

Page 25: ...er bracket in the empty card slot opening If you need a filler bracket contact Dell 6 Lower the retention arm and press it into place securing the card s in the computer 7 Close the computer cover reconnect the computer and devices to electrical outlets and turn them on 8 Remove the card s driver from the operating system 9 If you removed an add in network connector and want to enable the integrat...

Page 26: ... Card 1 Follow the procedures in Before You Begin 2 Press the lever on the card retention arm and raise the retention arm 3 If you are installing a new card remove the filler bracket to create a card slot opening Then continue with step 5 4 If you are replacing a card that is already installed in the computer remove the card If necessary disconnect any cables connected to the card If your card inc...

Page 27: ...ar l The notch in the top of the card or filler bracket fits around the alignment guide 10 Press the retention arm into place securing the card s in the computer 11 Connect any cables that should be attached to the card See the documentation for the card for information about the card s cable connections 12 Close the computer cover reconnect the computer and devices to electrical outlets and then ...

Page 28: ...racket contact Dell 7 Lower the retention arm and press it into place securing the card s in the computer 8 Close the computer cover reconnect the computer and devices to electrical outlets and then turn them on 9 Remove the card s driver from the operating system 10 If you removed an add in network connector a Enter the system setup program select Network Controller and then change the setting to...

Page 29: ...ables When you install a drive you connect two cables a DC power cable and a data cable to the back of the drive and to the system board Some drives may also have an audio connector one end of the audio cable will attach to the drive connector and the other will attach to the system board Drive Interface Connectors Serial ATA Connector Most interface connectors are keyed for correct insertion that...

Page 30: ...and tilt the shroud back 2 Lift the shroud away from the hard drive 3 Disconnect the power and hard drive cables from the drive and from the system board CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide 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 p...

Page 31: ...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 4 Install the hard drive into the computer by gently sliding the drive into place until the tabs securely click into position NOT...

Page 32: ...y drive insert a bootable floppy disk into drive A 14 Turn on the computer 15 Enter the system setup program and update the appropriate Drive option 16 Exit the system setup program and restart the computer 17 Partition and logically format your drive before you proceed to the next step See the documentation for your operating system for instructions 18 Test the hard drive by running the Dell Diag...

Page 33: ...to the drive and to the system board 9 Close the computer cover 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 Floppy Drive Removing a Floppy Drive CAUTION To guard against electrical shock always unplug your computer from the electrical outlet ...

Page 34: ... Floppy Drive 1 Follow the procedures in Before You Begin 2 If you are replacing a 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 a...

Page 35: ...ation 9 Enter the system setup program and update the appropriate Diskette Drive option 10 Verify that your computer works correctly by running the Dell Diagnostics CD DVD Drive Removing a CD DVD Drive 1 Follow the procedures in Before You Begin 2 Disconnect the power and data cables from the back of the drive NOTICE To connect a network cable first plug the cable into the network wall jack and th...

Page 36: ...r If a set of rails is not attached inside the computer cover contact Dell 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 t...

Page 37: ...ou Begin 2 Press the shroud release tabs towards one another 3 Lift the shroud up to disengage the anchors 4 Once the shroud has been disengaged from the anchors unplug the fan cables from their connectors on the system board NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer CAUTION Before you perform this procedure follow the safe...

Page 38: ...n power cable from the REAR FAN1 connector see System Board Components on the system board 3 Disconnect the power cable from the 12V PWR connector see System Board Components on the system board 4 Lift up the airflow shroud NOTICE To connect a network cable first plug the cable into the network wall jack and then plug it into the computer NOTICE Do not perform the following steps unless you are fa...

Page 39: ...d out on the socket release lever 7 Open the processor cover CAUTION 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 NOTICE Lay the heat sink down on its side NOTICE If you are installing a processor upgrade kit from Dell discard the original heat sink If you are not installing a processor upgrade kit from Dell r...

Page 40: ...essor 1 Unpack the new processor 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 processor and socket NOTICE Ground yourself by touching an unpainted metal surface on the back of the computer NOTICE You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on...

Page 41: ...ng fan power cable to the REAR FAN1 connector see System Board Components on the system board 11 Reconnect the power cable to the 12V PWR connector see System Board Components on the system board 12 Close the computer cover System Board Removing the System Board NOTICE Socket pins are delicate To avoid damage ensure that the processor is aligned properly with the socket and do not use excessive fo...

Page 42: ... heat sink assembly and processor from the existing system board and transfer them to the replacement system board 2 Configure the settings of the replacement system board 3 Set the jumpers on the replacement system board so that they are identical to the ones on the existing board 4 Orient the replacement board by aligning the notches on the bottom of the board with the tabs on the computer 5 Sli...

Page 43: ...Information Guide CAUTION To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis NOTICE Before disconnecting a device from the computer wait 10 to 20 seconds after disconnecting the computer from its electrical o...

Page 44: ... cover halfway and pull the front panel away from the computer Front LED Board CAUTION To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis CAUTION Before you begin any of the procedures in this section follow ...

Page 45: ...val procedure in reverse Drive Door Removing the Drive Door 1 Open the drive door CAUTION To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted metal surface on the computer chassis CAUTION Before you begin any of the procedures in this section foll...

Page 46: ...the computer if it is opened too far If the drive door detaches from the computer without disassembling perform the removal procedure in reverse If the drive door is open and it is opened too far instead of breaking away from the computer in one piece the drive door may disassemble into several smaller pieces If the drive door disassembles 1 If necessary reattach the door hinges to the door bracke...

Page 47: ...nonconducting object such as a plastic screwdriver CAUTION Before you begin any of the procedures in this section follow the safety instructions located in the Product Information Guide NOTICE To prevent static damage to components inside your computer discharge static electricity from your body before you touch any of your computer s electronic components You can do so by touching an unpainted me...

Page 48: ...ices to electrical outlets and turn them on 7 Enter the system setup program and restore the settings you recorded in step 1 8 Properly dispose of the old battery See the Product Information Guide for battery disposal information Back to Contents Page NOTICE To connect a network cable first plug the cable into the network device and then plug it into the computer ...

Page 49: ...n and into position 4 Press down on the cover to close it 5 Once the cover is closed slide the release latch to the right until the latch clicks into place 6 If you are using a padlock to secure your computer install the padlock 7 Connect your computer and devices to electrical outlets and turn them on Back to Contents Page NOTICE To connect a network cable first plug the cable into the network wa...

Page 50: ...Technical Overview Dell Dimension XPS Service Manual Inside View of Your Computer System Board Components Power Supply DC Connector Pin Assignments Inside View of Your Computer System Board Components ...

Page 51: ... 18 AWG 6 5 VDC Red 18 AWG 7 COM Black 18 AWG 8 POK Gray 18 AWG 9 5 VFP Purple 18 AWG 10 12 VB DC White 18 AWG 11 12VB DC White 18 AWG 12 3 3 VDC Orange 16 AWG 13 3 3 VDC Orange 16 AWG 14 12 VDC Blue 18 AWG 15 COM Black 18 AWG 16 PS ON Green 18 AWG 17 COM Black 18 AWG 18 COM Black 18 AWG 19 COM Black 18 AWG 20 N C N C N A 21 5 VDC Red 18 AWG 22 5 VDC Red 18 AWG 23 5 VDC Red 18 AWG 24 COM Black 18 ...

Page 52: ... 12 VA DC Yellow Pin Number Signal Name 18 AWG Wire Color 1 12 VB DC White 2 12 VB DC White 3 12 VB DC White 4 COM Black 5 COM Black 6 COM Black NOTE The P5 connector is intended for use with the PCI Express graphics cards whose power requirements exceed 75 watts Pin Number Signal Name 18 AWG Wire Color 1 5 VDC Red 2 COM Black 3 COM Black 4 12 VB DC White Pin Number Signal Name 18 AWG Wire Color ...

Page 53: ...DC Power Connectors BAY 1 and BAY 2 1 3 3 VDC Orange 2 COM Black 3 5 VDC Red 4 COM Black 5 12 VB DC White Pin Number Signal Name 18 AWG Wire Color 1 12 VB DC White 2 COM Black 3 COM Black 4 5V DC Red ...