Dell Precision 330 Service Manual
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Dell Precision 330 Service Manual

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Dell Precision™ WorkStation 330 Systems
SERVICE MANUAL
www.dell.com
support.dell.com

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Summary of Contents for Dell Precision 330

  • Page 1 Dell Precision™ WorkStation 330 Systems SERVICE MANUAL www.dell.com support.dell.com...

  • Page 2: Notes, Notices, And Cautions

    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 E COM 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

    Restarting the System ... 13 2 Computer Cover Desktop Chassis ... 16 Removing the Computer Cover (Desktop Chassis) ...16 Replacing the Computer Cover (Desktop Chassis) ...17 Mini Tower Chassis ... 18 Removing the Computer Cover (Mini Tower Chassis) ... 18 Replacing the Computer Cover (Mini Tower Chassis) ...
  • Page 4 Removing Front-Panel Buttons (Mini Tower Chassis) ...46 Replacing Front-Panel Buttons (Mini Tower Chassis) ...47 9 Power Supply Desktop Chassis ...50 Rotating the Power Supply (Desktop Chassis) ...50 Removing the Power Supply (Desktop Chassis) ...51 Replacing the Power Supply (Desktop Chassis) ...52 Conte nts...
  • Page 5 Desktop Chassis ... 64 Removing the Diskette Drive (Desktop Chassis) ... 65 Replacing the Diskette Drive (Desktop Chassis) ... 67 Removing a CD, Zip, or Other Externally Accessible Drive (Desktop Chassis) ... 68 Replacing a CD, Zip, or Other Externally Accessible Drive (Desktop Chassis) ...
  • Page 6 Overview ...102 Removing an Expansion Card ...103 14 Expansion-Card Guide Desktop Chassis ...108 Removing the Expansion-Card Guide (Desktop Chassis) ...108 Replacing the Expansion-Card Guide (Desktop Chassis) ...109 Mini Tower Chassis ...109 Removing the Expansion-Card Guide (Mini Tower Chassis) ...110 Replacing the Expansion-Card Guide (Mini Tower Chassis) ...111 15 I/O Cooling Fan (Mini Tower Chassis Only) Removing the I/O Cooling Fan ...114...
  • Page 7 17 Hard-Drive Thermal Sensor Desktop Chassis ... 124 Removing the Hard-Drive Thermal Sensor (Desktop Chassis) ...124 Replacing the Hard-Drive Thermal Sensor (Desktop Chassis) ... 125 Mini Tower Chassis ... 126 Removing the Hard-Drive Thermal Sensor (Mini Tower Chassis) ..126 Replacing the Hard-Drive Thermal Sensor (Mini Tower Chassis) ..128 18 Chassis Intrusion Switch Desktop Chassis ...
  • Page 8 Replacing the Microprocessor ...150 22 Microprocessor Cooling Fan Desktop Chassis ...154 Removing the Microprocessor Cooling Fan (Desktop Chassis) ...154 Replacing the Microprocessor Cooling Fan (Desktop Chassis) ...155 Mini Tower Chassis ...155 Removing the Microprocessor Cooling Fan (Mini Tower Chassis) .155 Replacing the Microprocessor Cooling Fan (Mini Tower Chassis) .157...
  • Page 9 Removing the System Board ...168 Replacing the System Board ...169 Contents...
  • Page 10 Conte n ts...

  • Page 11: Before You Begin

    S E C T I O N 1 B e f o r e Yo u B e g i n Precautionary Measures Recommended Tools Restarting the System...

  • Page 12: Precautionary Measures

    Precautionary Measures Before you remove the computer cover, perform the following steps in the sequence indicated. Recommended Tools Some of the procedures in this document require the use of a #2 Phillips- head screwdriver. Also, use a wrist grounding strap as explained in Be fo r e Yo u Be g in Turn off your computer and any peripherals.

  • Page 13: Restarting The System

    Restarting the System Replace the computer cover, reconnect the computer and peripherals 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 system start-up: ALERT! Cover was previously removed.
  • Page 14 Be fo r e Yo u Be g in...

  • Page 15: Computer Cover

    S E C T I O N 2 C o m p u t e r C o v e r Desktop Chassis Mini Tower Chassis...

  • Page 16: Desktop Chassis

    Desktop Chassis Removing the Computer Cover (Desktop Chassis) Com pute r Cov er • Removing the computer cover • Replacing the computer cover CAUTION: Before you perform this procedure, see Measures." Turn off the computer and peripherals, and disconnect them from their electrical outlets.

  • Page 17: Replacing The Computer Cover (Desktop Chassis)

    Lift the cover away from the chassis. Replacing the Computer Cover (Desktop Chassis) Check all cable connections and fold cables out of the way so that they do not catch on the computer cover. Ensure that cables are not routed over the drive cage—they will prevent the cover from closing properly.

  • Page 18: Mini Tower Chassis

    R e p l a c i n g t h e C o v e r ( D e s k t o p C h a s s i s ) cover release buttons (2) Mini Tower Chassis Removing the Computer Cover (Mini Tower Chassis) Com pute r Cov er •...
  • Page 19 Remove the computer cover. Face the back of the computer and slide the outer padlock ring to the left to unlock the cover release mechanism (see the following figure). C o v e r R e l e a s e M e c h a n i s m ( M i n i To w e r C h a s s i s ) Press the cover release button located at the bottom-left corner of the front panel (see the following figure).

  • Page 20: Replacing The Computer Cover (Mini Tower Chassis)

    R e m o v i n g t h e C o v e r ( M i n i To w e r C h a s s i s ) Replacing the Computer Cover (Mini Tower Chassis) Com pute r Cov er cover release button Lift the cover away from the chassis.
  • Page 21 Hold the cover at a slight angle as shown in the following figure. While aligning the top of the cover with the top of the chassis, insert the three hooks on the cover into the three recessed slots on the computer chassis. Rotate the cover downward toward the bottom of the chassis.
  • Page 22 Com pute r Cov er...

  • Page 23: Interior Service Label

    S E C T I O N 3 I n t e r i o r S e r v i c e L a b e l Service Label...

  • Page 24: Service Label

    Service Label A service label affixed to the inside of your computer cover indicates the location of system board components and connectors. D e s k t o p C h a s s i s S e r v i c e L a b e l M i n i To w e r C h a s s i s S e r v i c e L a b e l In t e ri or S er v ic e Labe l interior view of...

  • Page 25: Inside Your Computer

    S E C T I O N 4 I n s i d e Yo u r C o m p u t e r Chassis Interior...

  • Page 26: Chassis Interior

    Chassis Interior The following figures show the desktop and mini tower chassis with their covers removed. D e s k t o p C h a s s i s I n t e r i o r DC power cable...
  • Page 27 M i n i To w e r C h a s s i s I n t e r i o r power supply AC power receptacle I/O panel connectors expansion-card slots padlock ring security cable slot NOTE: Before you remove the cover from the mini tower chassis, you must first slide the outer padlock ring to the left to unlock the cover release mechanism.
  • Page 28 Ins i d e Yo u r C o m p u te r...

  • Page 29: System Board Components

    S E C T I O N 5 S y s t e m B o a r d C o m p o n e n t s Components Labels Jumpers...

  • Page 30: Components

    telephony connector CD audio input connector serial port 2 connector parallel port connector serial port 1 connector microprocessor fan connector suspend-to-RAM indicator microphone connector line-out/speaker connector line-in connector PS/2 mouse and keyboard connectors diagnostic indicators Port 1 USB connectors (2) NIC and Port 2 USB connectors (2) VRM connector AGP Pro connector...
  • Page 31 S y s t e m - B o a r d L a b e l s Connector or Component Label AGP Pro connector AUX_LED Auxiliary hard-drive access indicator connector BATTERY Battery socket CD_IN CD audio input connector CPU_POWER Microprocessor power connector Diagnostic indicators DSKT...

  • Page 32: Jumpers

    S y s t e m - B o a r d L a b e l s ( c o n t i n u e d ) Connector or Component TAPI USB2 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 33: Jumper Setting

    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. Password features are disabled. RTCRST Real-time clock reset.
  • Page 34 S y st e m Bo a r d C o m p o n ent s...

  • Page 35: Front Panel (Mini Tower Chassis Only)

    S E C T I O N 6 F r o n t Pa n e l ( M i n i To w e r C h a s s i s O n l y ) Removing the Front Panel Replacing the Front Panel...

  • Page 36: Removing The Front Panel

    Removing the Front Panel R e m o v i n g t h e F r o n t P a n e l ( M i n i To w e r C h a s s i s ) front-panel release button Fr o nt Pane l ( Mini To we r Chas s is Only )

  • Page 37: Replacing The Front Panel

    Lift the panel away from the chassis. Replacing the Front Panel Fit the two front-panel retaining hooks into the recessed slots at the bottom of the chassis. See "Removing the Front Panel (Mini Tower Chassis)." Then rotate the top of the panel toward the chassis until the front-panel latches snap into the tabs on the front panel.
  • Page 38 Fr o nt Pane l ( Mini To we r Chas s is Only )

  • Page 39: Front-Panel Inserts

    S E C T I O N 7 F r o n t - Pa n e l I n s e r t s Desktop Chassis Mini Tower Chassis...

  • Page 40: Desktop Chassis

    Desktop Chassis Removing Front-Panel Inserts (Desktop Chassis) 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 ( D e s k t o p C h a s s i s ) Fr o n t- Pa n e l I n s er ts •...

  • Page 41: Replacing Front-Panel Inserts (Desktop Chassis)

    Replacing Front-Panel Inserts (Desktop Chassis) Position the two ring-tabs over the posts on the inside of the bay opening, and then press the ring tabs over the posts. See Inserts (Desktop Chassis)." Mini Tower Chassis • Removing front-panel inserts •...

  • Page 42: Replacing Front-Panel Inserts (Mini Tower Chassis)

    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 ( M i n i To w e r C h a s s i s ) front panel posts (2) ring tabs (2)

  • Page 43: Front-Panel Buttons

    S E C T I O N 8 F r o n t - Pa n e l B u t t o n s Desktop Chassis Mini Tower Chassis...

  • Page 44: Desktop Chassis

    Desktop Chassis Removing Front-Panel Buttons (Desktop Chassis) Fr o nt- Pane l B utt o ns • Removing front-panel buttons • Replacing front-panel buttons CAUTION: Before you perform this procedure, see Measures." Turn off the computer and peripherals, disconnect them from their...

  • Page 45: Replacing Front-Panel Buttons (Desktop Chassis)

    R e m o v i n g F r o n t - P a n e l B u t t o n s ( D e s k t o p C h a s s i s ) 3.5-inch diskette-drive eject button computer cover Replacing Front-Panel Buttons (Desktop Chassis) Replace the front-panel buttons. To replace the 3.5-inch diskette-drive eject button, rotate the button into •...

  • Page 46: Mini Tower Chassis

    Mini Tower Chassis Removing Front-Panel Buttons (Mini Tower Chassis) Fr o nt- Pane l B utt o ns • Removing front-panel buttons • Replacing front-panel buttons Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then computer cover.

  • Page 47: Replacing Front-Panel Buttons (Mini Tower Chassis)

    R e m o v i n g F r o n t - P a n e l B u t t o n s ( M i n i To w e r C h a s s i s ) front panel power button reset button...
  • Page 48 Fr o nt- Pane l B utt o ns • To replace the power 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. • To replace the reset 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 49: Power Supply

    S E C T I O N 9 P o w e r S u p p l y Desktop Chassis Mini Tower Chassis...

  • Page 50: Desktop Chassis

    Desktop Chassis Rotating the Power Supply (Desktop Chassis) To access some of the components on the system board, you may need to rotate the system power supply out of the way. Po we r Supply • Rotating the power supply •...

  • Page 51: Removing The Power Supply (Desktop Chassis)

    AC power cable release latch Removing the Power Supply (Desktop Chassis) Rotate the power supply away from the system board. Disconnect the power supply cables from all drives. Disconnect the power supply cables from the system board.

  • Page 52: Replacing The Power Supply (Desktop Chassis)

    R e m o v i n g t h e P o w e r S u p p l y ( D e s k t o p C h a s s i s ) Replacing the Power Supply (Desktop Chassis)

  • Page 53: Mini Tower Chassis

    Rotate the power supply back into position until the securing tab snaps into the release latch. Replace the computer cover and Mini Tower Chassis • Rotating the power supply • Removing the power supply • Replacing the power supply Rotating the Power Supply (Mini Tower Chassis) To access some of the components on the system board, you may need to rotate the system power supply out of the way.

  • Page 54: Removing The Power Supply (Mini Tower Chassis)

    R o t a t i n g t h e P o w e r S u p p l y ( M i n i To w e r C h a s s i s ) AC power cable Removing the Power Supply (Mini Tower Chassis) Po we r Supply...

  • Page 55: Replacing The Power Supply (Mini Tower Chassis)

    Disengage the retention arm pin on the left side of the power supply from the retention arm socket. Disengage the pivot pin on the left rear of the power supply from the chassis socket. R e m o v i n g t h e P o w e r S u p p l y ( M i n i To w e r C h a s s i s ) power supply left pivot pin chassis pivot socket...
  • Page 56 Po we r Supply Rotate the right side of the power supply toward the chassis. The pivot pin on the right rear of the power supply inserts into the chassis slot. See "Removing the Power Supply (Mini Tower Connect the power supply cables to the system board. Connect the power supply cables to all drives.

  • Page 57: System Memory

    S E C T I O N 1 0 S y s t e m M e m o r y Removing a Memory Module Replacing a Memory Module...

  • Page 58: Removing A Memory Module

    Removing a Memory Module Sy st e m Me mo r y CAUTION: Before you perform this procedure, see Measures." CAUTION: RIMMs can get very hot during system operation. Be sure that the RIMMs have had sufficient time to cool before you touch them.

  • Page 59: Replacing A Memory Module

    R e m o v i n g a M e m o r y M o d u l e securing clips (2) Replacing a Memory Module Install the memory module: Press the securing clips at each end of the socket outward until they snap open (see the following figure).
  • Page 60 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) Sy st e m Me mo r y slots (2) Rotate the power supply back into position until the securing tab snaps into the release latch.
  • Page 61 Run the Dell Diagnostics to verify that the memory modules are operating properly. S ys te m Me mo r y...
  • Page 62 Sy st e m Me mo r y...

  • Page 63: Disk Drives And Media

    S E C T I O N 1 1 D i s k D r i v e s a n d M e d i a Desktop Chassis Mini Tower Chassis...

  • Page 64: Desktop Chassis

    Desktop Chassis D r i v e L o c a t i o n s ( D e s k t o p C h a s s i s ) hard drives externally accessible drives diskette drive Disk Dri ves and Media •...

  • Page 65: Removing The Diskette Drive (Desktop Chassis)

    Removing the Diskette Drive (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off. To locate this indicator, see Components"...
  • Page 66 R e m o v i n g t h e D i s k e t t e - D r i v e B r a c k e t ( D e s k t o p C h a s s i s ) Disk Dri ves and Media Remove the mounting screw.

  • Page 67: Replacing The Diskette Drive (Desktop Chassis)

    Lower the right side of the diskette drive onto the bracket, inserting the drive retention pins into the screw holes on the drive. "Removing the Diskette Drive from the Bracket (Desktop Chassis)." Lower the left side of the diskette drive downward and secure it to...

  • Page 68: Removing A Cd, Zip, Or Other Externally Accessible Drive (Desktop Chassis)

    Rotate the power supply back into position until the securing tab snaps into the release latch. Replace the computer cover and Run the Dell Diagnostics to verify that the drive is operating properly. CAUTION: Before you perform this procedure, see Measures."...
  • Page 69 R e m o v i n g a D r i v e B r a c k e t ( D e s k t o p C h a s s i s ) drive/bracket assembly bracket tabs (2) Remove the drive from the bracket.

  • Page 70: Replacing A Cd, Zip, Or Other Externally Accessible Drive (Desktop Chassis)

    R e m o v i n g t h e D r i v e f r o m t h e B r a c k e t Replacing a CD, Zip, or Other Externally Accessible Drive (Desktop Chassis) Disk Dri ves and Media Attach the new drive to the drive bracket.
  • Page 71 I n s t a l l i n g t h e D r i v e B r a c k e t ( D e s k t o p C h a s s i s ) Connect the interface cable for the drive. See (Desktop Chassis)."...
  • Page 72 A t t a c h i n g D r i v e C a b l e s ( D e s k t o p C h a s s i s ) power input connector DC power cable secondary system board EIDE connector...

  • Page 73: Removing A Hard Drive (Desktop Chassis)

    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 74 R e m o v i n g t h e H a r d - D r i v e B r a c k e t ( D e s k t o p C h a s s i s ) Disk Dri ves and Media Disconnect the DC power and interface cables from the back of the drive.

  • Page 75: Replacing A Hard Drive (Desktop Chassis)

    Align the screw holes of the drive and bracket, and secure the drive in the bracket using the screws that came with the upgrade kit. See "Removing a Hard Drive from the Bracket (Desktop drive bracket drive screws (4) Chassis)."...
  • Page 76 Replace the screw holding the drive bracket to the drive bay. latch Connect the interface cable for the drive. See Cables (Desktop Chassis)." NOTICE: To avoid possible damage, you must match the colored strip on the interface cable with pin 1 on both the drive and system board connectors.
  • Page 77 If you are installing a SCSI device, ensure that the SCSI interface cable is properly connected to the interface connector on the SCSI controller board. Connect a DC power cable to the power input connector on the back of the drive (see the following figure). A t t a c h i n g H a r d - D r i v e C a b l e s ( D e s k t o p C h a s s i s ) DC power cable Ensure that all cables are firmly connected.

  • Page 78: Mini Tower Chassis

    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 79: Removing The Diskette Drive (Mini Tower Chassis)

    D r i v e L o c a t i o n s ( M i n i To w e r C h a s s i s ) Removing the Diskette Drive (Mini Tower Chassis) CAUTION: Before you perform this procedure, see Measures."...
  • Page 80 R e m o v i n g t h e D i s k e t t e - D r i v e B r a c k e t ( M i n i To w e r C h a s s i s ) Disk Dri ves and Media Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then...

  • Page 81: Replacing The Diskette Drive (Mini Tower Chassis)

    R e m o v i n g t h e D i s k e t t e D r i v e f r o m t h e B r a c k e t ( M i n i To w e r C h a s s i s ) screw Replacing the Diskette Drive (Mini Tower Chassis)

  • Page 82: Removing A Cd, Zip, Or Other Externally Accessible Drive (Mini Tower Chassis)

    Rotate the power supply back into position until the securing tab snaps into the release latch. Replace the computer cover and Run the Dell Diagnostics to verify that the drive is operating properly. CAUTION: Before you perform this procedure, see Measures."...
  • Page 83 R e m o v i n g a D r i v e B r a c k e t ( M i n i To w e r C h a s s i s ) bracket tabs (2) Remove the drive from the bracket.

  • Page 84: Replacing A Cd, Zip, Or Other Externally Accessible Drive (Mini Tower Chassis)

    R e m o v i n g t h e D r i v e f r o m t h e B r a c k e t Replacing a CD, Zip, or Other Externally Accessible Drive (Mini Tower Chassis) Disk Dri ves and Media Attach the new drive to the drive bracket.
  • Page 85 To further ensure proper positioning of the drive in the chassis, insert and tighten all four screws in the order in which the holes are numbered (the holes are marked "1" through "4"). Slide the new drive/bracket assembly into the drive bay until both drive bracket tabs snap securely into place (see the following figure).
  • Page 86 A t t a c h i n g D r i v e C a b l e s ( M i n i To w e r C h a s s i s ) DC power cable Disk Dri ves and Media If you are installing a SCSI device, ensure that the SCSI interface cable is properly connected to the interface connector on the SCSI...

  • Page 87: Removing A Hard Drive (Mini Tower Chassis)

    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 88 Disk Dri ves and Media NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off. To locate this indicator, see Components" or "Interior Service Turn off the computer and peripherals, disconnect them from their electrical outlets, wait at least 5 seconds, and then...
  • Page 89 R e m o v i n g t h e H a r d - D r i v e B r a c k e t ( M i n i To w e r C h a s s i s ) drive door Remove the four screws that secure the drive in the bracket (see the following figure).

  • Page 90: Replacing A Hard Drive (Mini Tower Chassis)

    R e m o v i n g a H a r d D r i v e f r o m t h e B r a c k e t ( M i n i To w e r C h a s s i s ) Replacing a Hard Drive (Mini Tower Chassis) Disk Dri ves and Media...
  • Page 91 Insert the drive bracket into the chassis, sliding it in until the tabs snap into place. Rotate the drive door upward to the chassis until it snaps securely into place. NOTE: When you rotate the drive door back into place, ensure that the tabs on the drive door are inserted between the drive bracket and the drive cage.
  • Page 92 I n s t a l l i n g t h e H a r d - D r i v e B r a c k e t ( M i n i To w e r C h a s s i s ) drive cage bracket tabs (2) drive bracket...
  • Page 93 If you are installing an EIDE device, ensure that the IDE interface cable is properly connected to the EIDE connector on the system board. If you are installing a SCSI device, ensure that the SCSI interface cable is properly connected to the interface connector on the SCSI controller board.
  • Page 94 A t t a c h i n g H a r d - D r i v e C a b l e s ( M i n i To w e r C h a s s i s ) power input connector DC power cable...
  • Page 95 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 96 Disk Dri ves and Media...

  • Page 97: Agp Card Brace (Mini Tower Chassis Only)

    S E C T I O N 1 2 A G P C a r d B r a c e ( M i n i To w e r C h a s s i s O n l y ) Removing the AGP Card Brace Replacing the AGP Card Brace...

  • Page 98: Removing The Agp Card Brace

    Removing the AGP Card Brace To access some components on the system board in the mini tower chassis, you may need to remove the accelerated graphics port (AGP) card brace. R e m o v i n g t h e A G P C a r d B r a c e ( M i n i To w e r C h a s s i s ) Front of Computer slot...

  • Page 99: Replacing The Agp Card Brace

    Rotate the brace up until it disengages from the card guide at the front of the chassis. Then lift the brace away from the chassis. Replacing the AGP Card Brace To replace the AGP card brace, perform the removal procedure in reverse.
  • Page 100 AG P Ca r d B ra c e ( Min i To we r Ch a s si s On ly )

  • Page 101: Expansion Cards

    S E C T I O N 1 3 E x p a n s i o n C a r d s Overview Removing an Expansion Card...

  • Page 102: Overview

    Ex pan s ion C a r d s Overview The computer provides expansion slots for the following cards: • Up to five 32-bit, 33-MHz PCI expansion cards. • One 32-bit AGP card. The expansion slot supports AGP 4x or 2x Pro50 modes operating at 1.5 V.

  • Page 103: Removing An Expansion Card

    Removing an Expansion Card CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off. To locate this indicator, see Components"...
  • Page 104 If you are removing the card permanently, install a filler bracket in the empty card-slot opening, using the screw you removed in If you need a filler bracket, contact Dell and order part number 81808. See the User’s Guide for information on contacting Dell.
  • Page 105 If you have a mini tower chassis, stand the computer upright. Replace the computer cover and If you removed a sound card, perform the following steps: Enter system setup, select Integrated Devices and change the setting for Sound to On. Connect external audio devices to the audio connectors on the system back panel.
  • Page 106 Ex pan s ion C a r d s...

  • Page 107: Expansion-Card Guide

    S E C T I O N 1 4 E x p a n s i o n - C a r d G u i d e Desktop Chassis Mini Tower Chassis...

  • Page 108: Desktop Chassis

    Expansion-C ard G u ide Desktop Chassis • Removing the expansion-card guide • Replacing the expansion-card guide Removing the Expansion-Card Guide (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 109: Replacing The Expansion-Card Guide (Desktop Chassis)

    (2) left side tab slots (2) Replacing the Expansion-Card Guide (Desktop Chassis) Insert the two right tabs in the slots in the front chassis wall. Then, rotate the card guide toward the front chassis wall until the two left tabs snap into the slots in the left side chassis wall.

  • Page 110: Removing The Expansion-Card Guide (Mini Tower Chassis)

    Expansion-C ard G u ide Removing the Expansion-Card Guide (Mini Tower Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 111: Replacing The Expansion-Card Guide (Mini Tower Chassis)

    R e m o v i n g t h e E x p a n s i o n - C a r d G u i d e ( M i n i To w e r C h a s s i s ) bottom tab slots (2) bottom tabs (2) front tab slot...
  • Page 112 Expansion-C ard G u ide...
  • Page 113 S E C T I O N 1 5 I / O C o o l i n g Fa n ( M i n i To w e r C h a s s i s O n l y ) Removing the I/O Cooling Fan Replacing the I/O Cooling Fan...

  • Page 114: Removing The I/O Cooling Fan

    I/ O C ool in g Fan (Mi ni To w er C hassis O nl y ) Removing the I/O Cooling Fan CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 115: Replacing The I/O Cooling Fan

    R e m o v i n g t h e I / O C o o l i n g Fa n ( M i n i To w e r C h a s s i s ) fan release tabs (2) Replacing the I/O Cooling Fan NOTICE:...
  • Page 116 I/ O C ool in g Fan (Mi ni To w er C hassis O nl y )

  • Page 117: Control Panel

    S E C T I O N 1 6 C o n t r o l Pa n e l Components Desktop Chassis Mini Tower Chassis...

  • Page 118: Components

    Desktop Chassis • Removing the control panel • Replacing the control panel Removing the Control Panel (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.
  • Page 119 Remove all expansion cards. Remove the expansion-card guide. Disconnect the control-panel cable from the control-panel (PANEL) connector on the system board. To locate the control-panel connector, "System Board Components" or Feed the control-panel ribbon cable through the routing holes in the bottom and front wall of the chassis.

  • Page 120: Replacing The Control Panel (Desktop Chassis)

    Control Panel Replacing the Control Panel (Desktop Chassis) NOTE: When mounting the control panel on the chassis, ensure that the control-panel alignment hole is positioned over the guide pin. See the Control Panel (Desktop Chassis)." To replace the control panel, perform the Mini Tower Chassis •...

  • Page 121: Replacing The Control Panel (Mini Tower Chassis)

    Disconnect the speaker and chassis intrusion switch cables from the control-panel connectors. To locate these connectors, see Panel Components." Remove the mounting screw. Lift the control panel and control-panel ribbon cable away from the chassis. R e m o v i n g t h e C o n t r o l P a n e l ( M i n i To w e r C h a s s i s ) control panel guide pin drive door...

  • Page 122: Control Panel

    Control Panel...

  • Page 123: Hard-Drive Thermal Sensor

    S E C T I O N 1 7 H a r d - D r i v e T h e r m a l S e n s o r Desktop Chassis Mini Tower Chassis...

  • Page 124: Desktop Chassis

    Desktop Chassis • Removing the hard-drive thermal sensor • Replacing the hard-drive thermal sensor Removing the Hard-Drive Thermal Sensor (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 125: Replacing The Hard-Drive Thermal Sensor (Desktop Chassis)

    Replacing the Hard-Drive Thermal Sensor (Desktop Chassis) NOTE: When mounting the hard-drive thermal sensor in the clip in the front wall of the chassis, ensure that the sensor cable is oriented toward the top of the chassis.

  • Page 126: Mini Tower Chassis

    Har d -D r iv e The r m a l S en s o r Mini Tower Chassis • Removing the hard-drive thermal sensor • Replacing the hard-drive thermal sensor Removing the Hard-Drive Thermal Sensor (Mini Tower Chassis) CAUTION: Before you perform this procedure, see Measures."...
  • Page 127 Lift the thermal sensor and sensor cable away from the chassis. R e m o v i n g t h e H a r d - D r i v e T h e r m a l S e n s o r ( M i n i To w e r C h a s s i s ) drive door control panel...

  • Page 128: Replacing The Hard-Drive Thermal Sensor (Mini Tower Chassis)

    Har d -D r iv e The r m a l S en s o r Replacing the Hard-Drive Thermal Sensor (Mini Tower Chassis) NOTE: When mounting the hard-drive thermal sensor in the clip in the front wall of the chassis, ensure that the sensor cable is oriented toward the front wall of the chassis.

  • Page 129: Chassis Intrusion Switch

    S E C T I O N 1 8 C h a s s i s I n t r u s i o n S w i t c h Desktop Chassis Mini Tower Chassis...

  • Page 130: Desktop Chassis

    Desktop Chassis • Removing the chassis intrusion switch • Replacing the chassis intrusion switch Removing the Chassis Intrusion Switch (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 131: Replacing The Chassis Intrusion Switch (Desktop Chassis)

    Replacing the Chassis Intrusion Switch (Desktop Chassis) NOTE: When mounting the chassis intrusion switch in the clip in the front wall of the chassis, ensure that the sensor cable is oriented toward the left side wall of the chassis.
  • Page 132 Chassi s Int r usi o n Sw itch NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off. To locate this indicator, see Components"...

  • Page 133: Replacing The Chassis Intrusion Switch (Mini Tower Chassis)

    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 ( M i n i To w e r C h a s s i s ) chassis intrusion switch...
  • Page 134 Chassi s Int r usi o n Sw itch...

  • Page 135: Speaker

    S E C T I O N 1 9 S p e a k e r Desktop Chassis Mini Tower Chassis...

  • Page 136: Desktop Chassis

    Speaker Desktop Chassis • Removing the speaker • Replacing the speaker Removing the Speaker (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 137: Replacing The Speaker (Desktop Chassis)

    R e m o v i n g t h e S p e a k e r ( D e s k t o p C h a s s i s ) speaker cable Replacing the Speaker (Desktop Chassis) NOTE:...

  • Page 138: Mini Tower Chassis

    Speaker Mini Tower Chassis • Removing the speaker • Replacing the speaker Removing the Speaker (Mini Tower Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 139: Replacing The Speaker (Mini Tower Chassis)

    R e m o v i n g t h e S p e a k e r ( M i n i To w e r C h a s s i s ) Replacing the Speaker (Mini Tower Chassis) NOTE: When mounting the speaker in the retention tabs in the front chassis wall, ensure that the speaker cable is oriented toward the right side of the...
  • Page 140 Speaker...

  • Page 141: Microprocessor Airflow Shroud

    S E C T I O N 2 0 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 Desktop Chassis Mini Tower Chassis...

  • Page 142: Desktop Chassis

    Desktop Chassis • Removing the microprocessor airflow shroud • Replacing the microprocessor airflow shroud Removing the Microprocessor Airflow Shroud (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 143: Replacing The Microprocessor Airflow Shroud (Desktop Chassis)

    R e m o v i n g t h e A i r f l o w S h r o u d ( D e s k t o p C h a s s i s ) airflow shroud microprocessor with heat sink Replacing the Microprocessor Airflow Shroud (Desktop Chassis) To replace the microprocessor airflow shroud, perform the procedure in reverse.

  • Page 144: Mini Tower Chassis

    Mic r op r o c es s o r Air flo w Sh r o u d Mini Tower Chassis • Removing the microprocessor airflow shroud • Replacing the microprocessor airflow shroud Removing the Microprocessor Airflow Shroud (Mini Tower Chassis) CAUTION: Before you perform this procedure, see...

  • Page 145: Replacing The Microprocessor Airflow Shroud (Mini Tower Chassis)

    R e m o v i n g t h e A i r f l o w S h r o u d ( M i n i To w e r C h a s s i s ) release tabs (2) airflow shroud microprocessor...
  • Page 146 Mic r op r o c es s o r Air flo w Sh r o u d...

  • Page 147: Microprocessor

    S E C T I O N 2 1 M i c r o p r o c e s s o r Removing the Microprocessor Replacing the Microprocessor...

  • Page 148: Removing The Microprocessor

    Your microprocessor upgrade kit should include a replacement microprocessor heat sink and two replacement securing clips. If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink and securing clips when replacing the microprocessor. NOTICE: The bottom of the heat sink is coated with thermal grease that conducts heat from the microprocessor to the heat sink.
  • Page 149 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 Remove the microprocessor from its connector.

  • Page 150: Replacing The Microprocessor

    Mic r op r o c es s o r 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 Replacing the Microprocessor Install the new microprocessor in the socket: Ensure that the lever on the microprocessor socket is fully extended to the release position.
  • Page 151 Install the microprocessor heat sink: NOTICE: If you are you are installing a microprocessor upgrade kit from Dell, remove the film covering the thermal grease on the bottom of the replacement heat sink before installing it. socket pin-1 indicator...
  • Page 152 Also, confirm that the values under the CPU Information menu are correct for the new microprocessor. Exit system setup, and then run the Dell Diagnostics to verify that the new microprocessor is operating properly. Sink").

  • Page 153: Microprocessor Cooling Fan

    S E C T I O N 2 2 M i c r o p r o c e s s o r C o o l i n g Fa n Desktop Chassis Mini Tower Chassis...

  • Page 154: Desktop Chassis

    Desktop Chassis • Removing the microprocessor cooling fan • Replacing the microprocessor cooling fan Removing the Microprocessor Cooling Fan (Desktop Chassis) CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 155: Replacing The Microprocessor Cooling Fan (Desktop Chassis)

    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 ( D e s k t o p C h a s s i s ) locking tab Lift the fan out of the chassis. Replacing the Microprocessor Cooling Fan (Desktop Chassis) To replace the microprocessor cooling fan, perform the in reverse. Mini Tower Chassis •...
  • Page 156 Mic r op r o c es s o r Co o lin g Fan NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off. To locate this indicator, see Components"...

  • Page 157: Replacing The Microprocessor Cooling Fan (Mini Tower Chassis)

    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 ( M i n i To w e r C h a s s i s ) locking tab fan cable...
  • Page 158 Mic r op r o c es s o r Co o lin g Fan...
  • Page 159 S E C T I O N 2 3 V R M Overview Removing the VRM Replacing the VRM...

  • Page 160: Vrm

    VR M Overview The voltage regulator module (VRM) senses the microprocessor's voltage requirements and ensures that the correct voltage is maintained. Removing the VRM CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 161: Replacing The Vrm

    R e m o v i n g t h e V R M Grasp the VRM by its top corners, and ease it out of its connector. Replacing the VRM Align the slot on the bottom of the new VRM with the ridge inside the connector.
  • Page 162 Replace the computer cover and restart the system. VR M...

  • Page 163: System Battery

    S E C T I O N 2 4 S y s t e m B a t t e r y Removing the System Battery Replacing the System Battery...

  • Page 164: Removing The System Battery

    Sy st e m Bat te r y Removing the System Battery CAUTION: There is a danger of the new battery exploding if it is installed incorrectly. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

  • Page 165: Replacing The System Battery

    Replacing the System Battery Install the new battery. Orient the battery with the side labeled "+" facing up (see the System Battery"). Then insert the battery into the socket, and snap it into place. Replace the computer cover and Enter system setup and enter the current time and date. Then exit system setup and save the information.
  • Page 166 Sy st e m Bat te r y...

  • Page 167: System Board

    S E C T I O N 2 5 S y s t e m B o a r d Removing the System Board Replacing the System Board...

  • Page 168: Removing The System Board

    Sy st e m Boar d Removing the System Board CAUTION: Before you perform this procedure, see Measures." NOTICE: Before disconnecting a peripheral from the system or removing a component from the system board, verify that the standby power indicator on the system board has turned off.

  • Page 169: Replacing The System Board

    R e m o v i n g t h e S y s t e m B o a r d screw system board Replacing the System Board Lower the system board into the chassis at an angle, with the I/O panel connectors lowered into the chassis.
  • Page 170 Replace the computer cover and Run system setup to ensure that your settings are correct and that all system board components are correctly identified. Run the Dell Diagnostics to verify that the system is operating properly. restart the system.

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