Dell Precision 530 Service Manual

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Dell Precision™ WorkStation 530
SERVICE MANUAL
www.dell.com
support.dell.com

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Summary of Contents for Dell Precision 530

  • Page 1 Dell Precision™ WorkStation 530 SERVICE MANUAL www.dell.com support.dell.com...
  • Page 2 Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell Precision and the DELL logo are trademarks of Dell Computer 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.
  • Page 3: Table Of Contents

    Removing the Front-Panel Button Replacing the Front-Panel Button Dell Shield ......... .
  • Page 4 Removing the Dell Shield Replacing the Dell Shield Power Supply ......Removing the Power Supply...
  • Page 5 Removing the I/O Panel ..... Replacing the I/O Panel ..... Chassis Intrusion Switch .
  • Page 7: Before You Begin

    S E C T I O N 1 B e f o r e Yo u B e g i n Safety First—For You and Your Computer Protecting Against Electrostatic Discharge...
  • Page 8 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 9: Safety First-For You And Your Computer

    NOTICE: Do not attempt to service the computer yourself, except as explained in your online Dell documentation or otherwise provided to you. Always follow installation and service instructions closely. CAUTION: There is a danger of a new battery exploding if it is incorrectly installed.
  • Page 10 Hold a card by its edges or by its metal mounting bracket. Hold a component such as a microprocessor chip by its edges, not by its pins. "Protecting Against Electrostatic Discharge." In addition, Dell...
  • Page 11: Protecting Against Electrostatic Discharge

    Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer’s electronic components, such as the microprocessor. You can do so by touching an unpainted metal surface on the computer chassis.
  • Page 12 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 13: Removing And Installing Parts

    Computer Cover Interior Service Label Inside Your Computer System Board Components Drive Door Front Panel Front-Panel Inserts Front-Panel Button Dell Shield Power Supply Computer Memory Disk Drives and Media Expansion-Card Airflow Shroud Expansion Cards Expansion-Card Cooling Fan and Guide Control Panel...
  • Page 14 Re m o vi n g a n d I n st a l l i n g Pa r ts Speaker Microprocessor Airflow Shroud Microprocessor Microprocessor Cooling Fan Computer Battery System Board...
  • Page 15: Computer Cover

    Computer Cover • Opening the computer cover • Closing the computer cover Opening the Computer Cover CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet.
  • Page 16: Closing The Computer Cover

    O p e n i n g t h e C o m p u t e r C o v e r cover release latch Closing the Computer Cover padlock ring Check all cable connections, especially those that might have come loose during your work.
  • Page 17 C l o s i n g t h e C o m p u t e r C o v e r cover release latch padlock ring Stand the computer upright. If you are using a padlock to secure your computer, reinstall the padlock.
  • Page 18 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 19: Interior Service Label

    Interior Service Label A service label affixed to the inside of your computer cover provides information about working inside your computer. I n t e r i o r S e r v i c e L a b e l interior service label...
  • Page 20 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 21: Inside Your Computer

    Inside Your Computer The following figure shows the computer with the cover open. NOTE: User service access points are color-coded green. I n s i d e t h e C o m p u t e r interior service label diskette drive bracket hard-drive bracket externally accessible-drive bracket...
  • Page 22 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 23: System Board Components

    System Board Components Components The following figure shows the principal connectors and components on the system board.
  • Page 24 RIMM sockets (4) CD audio input connector system board speaker VRM 0 connector microprocessor 0 with heat sink microprocessor 0 fan connector parallel and serial (2) port connectors microprocessor 1 fan connector PS/2 keyboard and mouse connectors audio connectors IEEE 1394 connector microprocessor 1 with heat sink network and Port 1...
  • Page 25: Labels

    Labels The following table lists the labels for connectors and components on the system board, and briefly describes the function of each. S y s t e m B o a r d L a b e l s Connector or Component Label 1394 IEEE 1394 connector...
  • Page 26: Jumpers

    S y s t e m B o a r d L a b e l s Connector or Component SCSI SPKR STANDBY_LED STR_LED TAPI/MODEM USB_NIC VRM_0 VRM_1 Jumpers The following figure shows the location of the jumpers on the system board. S y s t e m B o a r d J u m p e r s To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
  • Page 27 The following table lists the system board jumpers and their settings. S y s t e m - B o a r d J u m p e r S e t t i n g s Jumper Setting Description PSWD (default) Password features are enabled.
  • Page 28 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 29: Drive Door

    Drive Door • Removing the drive door • Replacing the drive door Removing the Drive Door Open the drive door to a 90-degree angle (see the following figure). O p e n i n g t h e D r i v e D o o r Unsnap the top hinge, and pull the top of the drive door outward, away from the chassis.
  • Page 30: Replacing The Drive Door

    R e m o v i n g t h e D r i v e D o o r top hinge bottom hinge Lift the bottom hinge off of the chassis. Replacing the Drive Door To replace the drive door, perform the removal procedures in reverse.
  • Page 31: Front Panel

    Front Panel • Removing the front panel • Replacing the front panel Removing the Front Panel CAUTION: Before you perform this procedure, see For You and Your Computer." Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its right side, and open the computer Disconnect and...
  • Page 32: Replacing The Front Panel

    R e m o v i n g t h e F r o n t P a n e l front-panel release buttons (7) Replacing the Front Panel Fit the seven front-panel retaining hooks into the recessed slots at the bottom of the chassis.
  • Page 33: Front-Panel Inserts

    Front-Panel Inserts • Removing front-panel inserts • Replacing front-panel inserts Removing Front-Panel Inserts CAUTION: Before you perform this procedure, see For You and Your Computer." Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its right side, and open the computer Disconnect and...
  • Page 34: Replacing Front-Panel Inserts

    R e m o v i n g F r o n t - P a n e l I n s e r t s Replacing Front-Panel Inserts front panel securing tab front-panel insert Connect and replace any disk drives drive bay.
  • Page 35: Front-Panel Button

    Front-Panel Button • Removing the front-panel button • Replacing the front-panel button Removing the Front-Panel Button Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its right side, and open the computer Remove the front...
  • Page 36 R e m o v i n g t h e F r o n t - P a n e l B u t t o n power button front panel...
  • Page 37: Replacing The Front-Panel Button

    Replacing the Front-Panel Button Insert the button into the hole in the front panel of the computer cover so that the button’s clips secure it to the cover.
  • Page 38 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 39: Dell Shield

    Dell Shield • Removing the Dell shield • Replacing the Dell shield Removing the Dell Shield Turn off the computer and devices, disconnect them from their electrical outlets, wait at least 10 to 20 seconds, lay the computer on its...
  • Page 40: Replacing The Dell Shield

    Replacing the Dell Shield To replace the Dell shield, perform the removal procedure in reverse.
  • Page 41: Power Supply

    Power Supply • Removing the power supply • Replacing the power supply Removing the Power Supply CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet.
  • Page 42 R e m o v i n g t h e P l a s t i c C a b l e R e t a i n e r drive power cable cable retainer release button Remove the cable retainer. Pull up on the cable retainer release button.
  • Page 43: Replacing The Power Supply

    While pressing the power supply release button, slide the power supply toward the back of the computer. Lift the power supply away from the chassis (see the following figure). Slide the power supply cables out of the chassis through the hole. R e m o v i n g t h e P o w e r S u p p l y Replacing the Power Supply Slide the power supply cables through the hole into the chassis.
  • Page 44 Place the cable retainer into the four securing slots in the chassis. Slide the cable retainer to the left until it locks into place. Connect the power supply cables and the expansion-card cooling fan cable to the system board, and connect the drive power cable. Replace the expansion-card cooling fan and Install the expansion cards.
  • Page 45: Computer Memory

    Computer Memory • System memory installation guidelines • Removing a memory module • Installing a memory module • Removing memory riser boards • Installing memory riser boards To locate the memory sockets on the system board, see Memory Components." To locate the memory sockets on the optional memory riser boards, see "Memory Riser Board NOTE:...
  • Page 46 S y s t e m B o a r d M e m o r y C o m p o n e n t s suspend-to-RAM (STR) light socket 4 pair 2 socket 3 socket 2 pair 1 socket 1...
  • Page 47: System Memory Installation Guidelines

    M e m o r y R i s e r B o a r d C o m p o n e n t s suspend-to-RAM (STR) light riser board A suspend-to-RAM light riser board B System Memory Installation Guidelines •...
  • Page 48: Removing A Memory Module

    Riser Board Installation When installing memory modules using the optional memory riser boards, observe the following guidelines: Removing a Memory Module • Mixed pairs of ECC and non-ECC modules all function as non-ECC. • Be sure to install a RIMM in socket 1 first (closest to the processor) before installing modules in the other sockets.
  • Page 49: Installing A Memory Module

    NOTICE: To avoid damage to the memory module, press the securing clips with equal force applied at each end of the memory socket. Press the securing clips at each end of the memory socket outward simultaneously until the module pops out slightly from the socket (see the following figure).
  • Page 50: Removing Memory Riser Boards

    I n s t a l l i n g a M e m o r y M o d u l e securing clips (2) Removing Memory Riser Boards memory socket slots (2) NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet.
  • Page 51 Lift riser board A away from the retention brackets on riser board Remove memory riser board B: Press the securing clips of system board memory socket B outward simultaneously until riser board B pops out slightly from the socket. Lift riser board B away from socket 2.
  • Page 52 R e m o v i n g M e m o r y R i s e r B o a r d s memory riser board retention bracket memory riser board A memory riser board B system board securing clips (2)
  • Page 53: Installing Memory Riser Boards

    Installing Memory Riser Boards NOTICE: System board memory sockets 3 and 4 can either be empty or contain CRIMMs. Sockets 3 and 4 cannot contain RIMMs with memory riser boards installed in sockets 1 and 2. If any RIMMs occupy memory sockets on the system board, those modules.
  • Page 54 I n s t a l l i n g M e m o r y R i s e r B o a r d s memory riser board retention bracket memory riser board A memory riser board B system board memory sockets (4)
  • Page 55: Disk Drives And Media

    Disk Drives and Media • Installing a CD, zip, or other externally accessible drive • Installing a hard drive • EIDE device installation guidelines • SCSI device installation guidelines Your computer provides the following drive bays: • One 3.5-inch diskette drive. •...
  • Page 56 D r i v e Ty p e s diskette drive 5.25-inch drive 1 (1.6-inch high) 5.25-inch drive 2 (1.6-inch high) 5.25-inch drive 3, or 3.5-inch drive 4 (1-inch high) 3.5-inch drive 3 (1-inch high) 3.5-inch drive 2 (1-inch high, or 1.6-inch high) 3.5-inch drive 1 (1.6-inch high)
  • Page 57: Installing A Cd, Zip, Or Other Externally Accessible Drive

    Installing a CD, Zip, or Other Externally Accessible Drive NOTE: If you are replacing a hard drive that contains data you want to keep, be sure to back up your files before you begin this procedure. CAUTION: Before you perform this procedure, see For You and Your Computer."...
  • Page 58 R e m o v i n g a n E x t e r n a l l y A c c e s s i b l e D r i v e...
  • Page 59 R e m o v i n g t h e D i s k e t t e D r i v e Unpack the replacement drive and prepare it for installation. NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
  • Page 60 A t t a c h i n g B r a c k e t R a i l s f o r a n E x t e r n a l l y A c c e s s i b l e D r i v e NOTE: If you are not replacing an existing drive and the new drive does not have bracket rails attached, install the extra rail set that is located...
  • Page 61 I n s t a l l i n g a n E x t e r n a l l y A c c e s s i b l e D r i v e...
  • Page 62 I n s t a l l i n g t h e D i s k e t t e D r i v e If you are installing a drive that has its own controller card, controller card in an expansion See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.
  • Page 63 • Connect the appropriate interface cable to the interface connector on the back of the drive. If you are installing an EIDE or SCSI drive and you have another drive of the same type in the computer, you can use the spare connector on the interface cable for the existing drive.
  • Page 64 A t t a c h i n g C a b l e s f o r a n E x t e r n a l l y A c c e s s i b l e D r i v e DC power cable drive interface cable secondary EIDE...
  • Page 65 A t t a c h i n g C a b l e s f o r t h e D i s k e t t e D r i v e DC power cable cable clips (2) cable retainer diskette system board connector...
  • Page 66 See the operating system’s documentation for instructions. Test the drive to verify that it is operating properly. • If the drive you installed is a hard drive, run the Dell Diagnostics to test the drive. • For other types of drives, see the drive’s documentation for information on testing the drive.
  • Page 67: Installing A Hard Drive

    Installing a Hard Drive NOTE: If you are replacing a hard drive that contains data you want to keep, be sure to back up your files before you begin this procedure. CAUTION: Before you perform this procedure, see For You and Your Computer."...
  • Page 68 R e m o v i n g a H a r d D r i v e Unpack the replacement drive and prepare it for installation. NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer. See the documentation that accompanied the drive to verify that the drive is configured for your computer.
  • Page 69 NOTE: If you are not replacing an existing drive and the new drive does not have bracket rails attached, install the extra rail set that is located inside your computer in an empty drive bay. NOTE: You must use the shoulder screws shipped with the spare drive rails.
  • Page 70 I n s t a l l i n g a H a r d D r i v e If you are installing a drive that has its own controller card, controller card in an expansion See the documentation that accompanied the drive and controller card to verify that the configuration is correct for your computer.
  • Page 71 • Connect the appropriate interface cable to the interface connector on the back of the drive. If you are installing an EIDE or SCSI drive and you have another drive of the same type in the computer, you can use the spare connector on the interface cable for the existing drive.
  • Page 72 A t t a c h i n g C a b l e s f o r a H a r d D r i v e primary EIDE system board connector Ensure that all cables are firmly connected. Fold cables out of the way to provide airflow for the fan and cooling vents.
  • Page 73 Partition and logically format the drive before proceeding to the next step. See the operating system’s documentation for instructions. Run the Dell Diagnostics to test the drive. If the hard drive you installed is the primary drive, install the operating system on the drive.
  • Page 74: Eide Device Installation Guidelines

    EIDE Device Installation Guidelines Jumper Settings All EIDE drives should be configured for the Cable Select jumper position, which assigns master and slave status to drives by their position on the interface cable. When two EIDE drives are connected to a single EIDE interface cable and are configured for the Cable Select jumper position, the drive attached to the last connector on the interface cable is the master, or boot device (drive 0), and the device attached to the middle connector on...
  • Page 75: Scsi Device Installation Guidelines

    Each SCSI bus will have a set of SCSI ID numbers from 0 to 15. When SCSI devices are shipped from Dell, the default SCSI ID numbers for are assigned as follows: D e f a u l t S C S I I D S e t t i n g s...
  • Page 76 SCSI logic requires that termination be enabled for the two devices at opposite ends of the SCSI chain and disabled for all devices in between. Dell recommends that you use terminated cables and that you disable termination on all devices. See the documentation provided with any optional SCSI device you purchase for information on disabling termination on the device.
  • Page 77 SCSI controller card. The remaining connectors on the cable attach to the various Narrow SCSI devices. NOTICE: Dell recommends that you use only SCSI cables purchased from Dell. Cables purchased elsewhere are not guaranteed to work with Dell computers.
  • Page 78 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 79: Expansion-Card Airflow Shroud

    Expansion-Card Airflow Shroud • Removing the expansion-card airflow shroud • Replacing the expansion-card airflow shroud Removing the Expansion-Card Airflow Shroud To access some components on the system board, you may need to remove the expansion-card airflow shroud. CAUTION: Before you perform this procedure, see For You and Your Computer."...
  • Page 80: Replacing The Expansion-Card Airflow Shroud

    R e m o v i n g t h e E x p a n s i o n - C a r d A i r f l o w S h r o u d expansion-card airflow shroud release button air baffle Replacing the Expansion-Card Airflow Shroud...
  • Page 81: Expansion Cards

    One 32-bit AGP card. The expansion slot supports AGP 4x or 2x Pro110 modes operating at 1.5 V. "Expansion Card Types" for examples of these cards. NOTE: To meet PC99 Workstation requirements, your Dell™ computer does not support ISA expansion cards. This is an industry standard for ease-of-use.
  • Page 82 E x p a n s i o n C a r d Ty p e s 32-bit PCI card 64-bit PCI card AGP 4x card AGP 4x Pro card NOTE: The AGP expansion slot only supports 1.5-V cards.
  • Page 83: Installing An Expansion Card

    S y s t e m B o a r d E x p a n s i o n C a r d C o m p o n e n t s AGP Pro connector PCI connector 1 32-bit, PCI connector 2 33 MHz...
  • Page 84 R a i s i n g t h e E x p a n s i o n C a r d R e t e n t i o n A r m expansion card card connector If you are installing a new expansion card, remove the filler bracket for an empty card-slot opening.
  • Page 85 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 expansion cards and verify that the standby power light on the system board has turned off. To locate this light, see "System Board Insert the expansion card into the expansion-card connector.
  • Page 86 Lower the expansion card retention arm and press it into place, securing the expansion card(s) in the chassis. 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: Do not route expansion card cables over or behind the expansion cards.
  • Page 87: Removing An Expansion Card

    Grasp the card by its top corners, and ease it out of its connector. 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 and order part number 81808. NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer.
  • Page 88 Enter system setup, clear the security field, select Integrated Devices and change the setting for Sound to On. Connect external audio devices to the audio connectors on the computer back panel (see "Back-Panel Features"). If you removed an add-in network adapter, perform the following steps: Enter system setup, select Integrated Devices and change the setting for Network Interface Card to On.
  • Page 89: Expansion-Card Cooling Fan And Guide

    Expansion-Card Cooling Fan and Guide • Removing an expansion-card cooling fan and guide • Replacing an expansion-card cooling fan and guide NOTE: The expansion-card cooling fan is mounted on the expansion-card guide. Removing an Expansion-Card Cooling Fan and Guide CAUTION: Before you perform this procedure, see For You and Your Computer."...
  • Page 90: Replacing An Expansion-Card Cooling Fan And Guide

    R e m o v i n g a n E x p a n s i o n - C a r d C o o l i n g Fa n a n d G u i d e Replacing an Expansion-Card Cooling Fan and Guide expansion-card guide...
  • Page 91 Insert the bottom of the cooling fan into the clips on the card guide. Then press the top of the fan toward the card guide until the tabs on the card guide grasp the fan. See "Removing an Expansion-Card Cooling Fan and Guide."...
  • Page 92 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 93: Control Panel

    Control Panel • Components • Removing the control panel • Replacing the control panel Components The following figure shows the control panel and the location of its principal connectors and components. C o n t r o l P a n e l C o m p o n e n t s alignment hole control-panel connector...
  • Page 94: Removing The Control Panel

    Removing the Control Panel CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 95: Replacing The Control Panel

    R e m o v i n g t h e C o n t r o l P a n e l control panel Replacing the Control Panel NOTE: When mounting the control panel on the drive door, ensure that the control-panel alignment hole is positioned over the guide pin.
  • Page 96 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 97: I/O Panel

    I/O Panel • Components • Removing the I/O panel • Replacing the I/O panel Components The following figure shows the I/O panel and the location of its principal connectors and components. I / O P a n e l C o m p o n e n t s front panel audio connector speaker/headphone jack...
  • Page 98: Replacing The I/O Panel

    R e m o v i n g t h e I / O P a n e l Replacing the I/O Panel To replace the front I/O panel, perform the ensuring that the upright, notched tab on the chassis fits through the hole at the end of the control panel.
  • Page 99: Chassis Intrusion Switch

    Chassis Intrusion Switch • Removing the chassis intrusion switch • Replacing the chassis intrusion switch Removing the Chassis Intrusion Switch CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 100: Replacing The Chassis Intrusion Switch

    R e m o v i n g t h e C h a s s i s I n t r u s i o n S w i t c h chassis intrusion switch Replacing the Chassis Intrusion Switch To replace the chassis intrusion switch, perform the reverse.
  • Page 101: Speaker

    Speaker • Removing the speaker • Replacing the speaker Removing the Speaker CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 102: Replacing The Speaker

    speaker speaker cable speaker release tab R e m o v i n g t h e S p e a k e r From inside the chassis, press the speaker release tab and slide the speaker upward to remove it from the retention tabs on the front chassis wall.
  • Page 103: Microprocessor Airflow Shroud

    Microprocessor Airflow Shroud • Removing the microprocessor airflow shroud • Installing the microprocessor airflow shroud Removing the Microprocessor Airflow Shroud CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet.
  • Page 104: Installing The Microprocessor Airflow Shroud

    R e m o v i n g t h e M i c r o p r o c e s s o r A i r f l o w S h r o u d Installing the Microprocessor Airflow Shroud Install the airflow shroud: •...
  • Page 105 Reconnect the computer and devices to their electrical outlets, and turn them on. If enabled, the Chassis Intrusion option will cause the following NOTE: message to be displayed at the next computer start-up: ALERT! Cover was previously removed. Enter system setup and reset the Chassis Intrusion option as described in your User’s Guide.
  • Page 106 w w w . d e l l . c o m | s u p p o r t . d e l l . c o m...
  • Page 107: Microprocessor

    If the VRMs do not match, the diagnostic lights indicate an error. • If installing a Dell processor upgrade kit for either single or dual processors, remove and discard the original VRM(s). Then install the VRM(s) from the upgrade kit. If you are not installing a processor upgrade kit from Dell, reuse the original VRM(s).
  • Page 108 CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet. Before removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 109 R e m o v i n g t h e M i c r o p r o c e s s o r H e a t S i n k latch securing clip heat sink retention base microprocessor socket NOTE: If you are upgrading your microprocessor, keep your original...
  • Page 110 To remove the microprocessor, pull the socket lever up until the microprocessor is released. Then remove the microprocessor from the socket (see the following figure). R e m o v i n g t h e M i c r o p r o c e s s o r microprocessor microprocessor socket Install the new microprocessor in the socket:...
  • Page 111 Carefully set the microprocessor in the socket and press it down lightly to seat it. Rotate the socket lever back toward the socket until it snaps into place, securing the microprocessor. I n s t a l l i n g t h e M i c r o p r o c e s s o r microprocessor microprocessor socket Install the replacement microprocessor heat sink:...
  • Page 112 NOTICE: Carefully align the heat sink with the retention base before making contact with the base to help avoid spreading the thermal grease to other components. Lower the heat sink to the microprocessor so that the heat sink fits in the heat sink retention base. For each of the replacement metal clips that secure the heat sink to the microprocessor, fit the end of the clip that does not have the latch to the heat sink retention base.
  • Page 113: Microprocessor Cooling Fan

    Microprocessor Cooling Fan • Removing the microprocessor cooling fan • Replacing the microprocessor cooling fan Removing the Microprocessor Cooling Fan CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 114: Replacing The Microprocessor Cooling Fan

    anchor tabs (4) R e m o v i n g t h e M i c r o p r o c e s s o r C o o l i n g Fa n fan power cable connector Replacing the Microprocessor Cooling Fan To replace the microprocessor cooling fan, follow the reverse.
  • Page 115: Vrm

    • Removing a VRM • Installing a VRM NOTICE: A VRM must be installed for each microprocessor installed. To locate the VRM and microprocessor sockets, see Removing a VRM CAUTION: Before you perform this procedure, see For You and Your Computer."...
  • Page 116: Installing A Vrm

    R e m o v i n g a V R M securing clip VRM connector Grasp the VRM by its top corners, and ease it out of its connector. Installing a VRM NOTE: The VRMs must be installed in the correct configuration, depending on the number of microprocessors Press the securing clips at each end of the socket outward until they...
  • Page 117 Reconnect the computer and devices to their electrical outlets, and turn them on. If enabled, the Chassis Intrusion option will cause the following NOTE: message to be displayed at the next computer start-up: ALERT! Cover was previously removed. Enter system setup and reset the Chassis Intrusion option as described in your User’s Guide.
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  • Page 119: Computer Battery

    Computer Battery The 3.0-V CR2032 coin-cell battery installed on the system board provides power to retain the configuration, date, and time information when the computer is turned off. The computer battery is designed to provide years of service without being replaced. However, you may need to replace the battery if configuration or clock-related inconsistencies occur or if one of the following messages is displayed during the boot routine: Time-of-day not set - please run SETUP program...
  • Page 120 NOTICE: If you use a blunt, nonconductive object to pry the battery out of its socket, be careful not to touch the system board with the object. Be sure that the object is inserted between the battery and the socket before you attempt to pry out the battery.
  • Page 121 Leave the computer off for at least 10 minutes. Reconnect the computer to its electrical outlet and turn it on. Enter system setup, and check the date and time. If the time and date are still incorrect, contact Dell for technical assistance.
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  • Page 123: System Board

    System Board • Removing the System Board • Replacing the System Board Removing the System Board CAUTION: Before you perform this procedure, see For You and Your Computer." NOTICE: Before disconnecting a device from the computer or removing a component from the system board, verify that the standby power light on the system board has turned off.
  • Page 124: Replacing The System Board

    TEM pan screw green TEM pan release tabs (2) gray metal tabs (2) R e m o v i n g t h e S y s t e m B o a r d Press down on the two gray metal chassis tabs, lift the two green TEM pan release tabs, and slide the TEM pan toward the front of the computer.
  • Page 125 NOTE: Replacing the TEM pan screw is optional. To avoid damage to the system board, Dell strongly recommends that you replace the TEM pan screw before traveling with or shipping the computer. Replace all components on the system board by performing...
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