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Compaq EP Series manual Fan Assembly, Removing the Fan

Models: EP Series

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4.21Fan Assembly

4.21Fan Assembly

1. Prepare the computer for disassembly (Section 4.2).

WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures.

2.Lay the computer down on its large base for greater stability.

3.Remove the access panel (Section 4.6).

4.Disconnect the fan power cable 1 from the system board.

5.Remove the 4 screws 2 that secure the fan to the chassis.

6.Remove the fan from the chassis 3.

7.Pull on the two push-pins that secure the fan grill to remove it from the fan.

Removing the Fan

To install the fan assembly, reverse the above procedure.

✎Use the fan on Pentium II units 450/100 and above and on Pentium III units 450/100 and above.

Compaq Deskpro EP Series of Personal Computers

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Compaq EP Series manual Fan Assembly, Removing the Fan

Contents

Maintenance & Service Guide Compaq Deskpro EP Series of Personal ComputersGuide to Features & Upgrades Compaq Deskpro EP Series of Personal ComputersCompaq Deskpro EP Series of Personal Computers Maintenance & Service GuideCompaq Computer Corporation CONTENTS Removal and Replacement Preliminariespreface About This Guideiv Contents Removal and Replacement Procedureschapter Connectors, Jumpers, and Switches SpecificationsService Notes chapterSymbols and Conventions prefaceABOUT THIS GUIDE Technician NotesLocating Additional Documentation Compaq Service Advisories and Bulletins Compaq QuickFindTechnical Reference Guide Compaq Service Quick Reference Guide The following documentation is available to support these productschapter PRODUCT DESCRIPTIONCompaq Deskpro EP Series of Personal Computers Compaq Deskpro EP Series of Personal Computers1.1 Model Overview 1.2 System Design 1.3.1 Ordering Additional Software 1.3 Preinstalled SoftwareOnline Safety & Comfort Guide English only 1.4 Computer Features 1.4.1 Front Panel Controls and LEDs - 440BX1.4.2 Front Panel Controls and LEDs - Intel 810/810e Front Panel Controls and LEDs - Intel 810/ 810eComponent/Function Component/Function1.4.3 Rear Panel Connectors - 440BX Rear Panel Connectors - 440BXComponent Component1.4.4 Rear Panel Connectors - Intel 810/810e Rear Panel Connectors - Intel 810/810eComponent Component1.4.5 Drive Positions ConfigurationDrive bay numbers are stamped on the chassis Drive Positions1.5 Serial Number Location Serial Number Locationschapter SPARE PARTS2.1 System Unit 2.1.1 System Unit - 440BXSystem Unit Spare Parts - 440BX Model 2-2 Spare PartsMajor Differences Between 440BX and Intel 810/810e System Unit Spare Parts - 440BXCompaq Despro EP Series of Personal Computers System Unit Spare Parts - Intel 810/810e Model 2.1.2 System Unit - Intel 810/810e2-4 Spare Parts System Unit Spare Parts - Intel 810/810e Major Differences Between 440BX and Intel 810/810eMass Storage Devices 2.2 Mass Storage Devices2-6 Spare Parts Mass Storage Devices Cables 2.3 Cables2-8 Spare Parts Cables DescriptionSpare Part Number Cable Kit includesStandard and Optional Boards 2.4 Standard and Optional Boards2-10 Spare Parts Standard and Optional Boards Not shownStandard and Optional Boards, continued 2-12 Spare PartsCompaq Despro EP Series of Personal Computers Standard and Optional Boards Continuedand thermal interface. Use on 010697-101 system board Standard and Optional Boards Continued PREMIER ∙SOUND 440BXCompaq PREMIER ∙SOUND board 2-14 Spare PartsKeyboards 2.5 KeyboardsCompaq Despro EP Series of Personal Computers 2.6 Miscellaneous Hardware Kit Miscellaneous HardwareMiscellaneous Hardware Kit 2-16 Spare Parts2.7 Miscellaneous Plastics Kit Miscellaneous Plastics Kit, Desktop and MinitowerMiscellaneous Plastics Kit Compaq Despro EP Series of Personal Computers2.8 Miscellaneous Parts Miscellaneous PartsMiscellaneous Parts 2-18 Spare Parts2.9 Shipping Boxes 2.10 Documentation and SoftwareShipping Boxes not illustrated Documentation and Software not illustratedREMOVAL AND REPLACEMENT PRELIMINARIES 3.1.1 Cleaning Safety Precautions3.1.2 Cleaning the Computer Case 3.1 Routine Care3.1.4 Cleaning the Monitor 3.1.3 Cleaning the Keyboard3.1.5 Cleaning the Mouse 3.2.1 Generating Static 3.2 Electrostatic Discharge Information3.2.2 Preventing Electrostatic Damage to Equipment 3.2.3 Personal Grounding Methods and Equipment 3.2.4 Grounding Workstations3.2.5 Recommended Materials and Equipment Static Shielding Protection Levels3.3 Service Considerations 3.3.3 Cables and Connectors3.3.1 Tools and Software Requirements 3.3.2 Screws3.3.4 Hard Drives 3.3.5 Plastic Parts4.1 Disassembly Sequence Chart REMOVAL AND REPLACEMENT PROCEDURESchapter 4.2 Disassembly Preparation 4.3 Feet Installation Installing the Feet4.4 Logo Plate Replacing the Compaq Logo Plate4.5 Cable Lock Installing the Cable Lock Provision - Intel 810/810e To remove the cable lock provision, reverse the above procedure4-6 Removal and Replacement Procedures 4.6 Access Panel 4.7 Front Bezel Removing the Front Bezel4.8 Power Button Removing the Power Button4.9 Subpanel and Bezel Blanks Removing the Subpanel and Bezel Blanks4.10 Power Switch Disconnecting the Power Switch4.11 Mass Storage Devices Drive PositionsUsing the Cable-Select Feature with Ultra ATA Devices Disconnecting the Cables 4.11.1 Removing an Internal 3.5-Inch Hard DriveUnlocking the Drives 8. Remove the four guide screws from the drive 4.11.2 Removing an External 5.25-Inch Drive Releasing the DrivesRemoving an External 5.25-inch Drive 4.11.3 Removing an External 3.5-Inch Drive 4-18 Removal and Replacement Procedures8. Remove the drive bezel To replace the drive, reverse the previous procedures 4.12 Removing the Drivelocks Drivelock Mechanism4-21 Compaq Deskpro EP Series of Personal Computers4-22 Removal and Replacement Procedures Removing the Drivelock Mechanism11. Remove the spring from the post see inset 4.13 Expansion Boards 4.13.1 440BX4-24 Removal and Replacement Procedures Deskpro EP Expansion Slots - 440BX 2-DIMM Model4.13.2 Intel 810 and 810e Deskpro EP Expansion Slots - IntelDeskpro EP Expansion Slots - Intel 810e 4-254.13.3 Removing an Expansion Board Removing the Expansion Board4.13.4 Installing an Expansion Board Removing the Expansion Board Slot Cover6. Secure the board to the chassis with the retaining screw 4.14 Board Guide Removing the Board Guide4.15.1 440BX 4.15 System Memory4.15.2 Intel 810/810e Installing a DIMM Module 4.16 AGP Graphics Board 440BX 4.16.1 AGP Graphics Board Removal 440BX4.16.2 Graphics Memory Upgrade 440BX Installing the Memory Module4.17 Processor Components 4.17.1 ProcessorTo install a new processor, reverse this procedure 4-36 Removal and Replacement Procedures 4.17.2 Processor Guide Rails Removing the Processor RailsReinstall the system board in the computer chassis 4.18 System Board Removing the System Board4.19 Internal Speaker Removing the Speaker From the Side of the Drive CageTo install the new speaker, reverse the preceding steps Removing the Speaker From the Rear of the Chassis4-41 Compaq Deskpro EP Series of Personal Computers4.20 Lithium Battery Locating the Battery on the System Board - 440BXLocating the Battery on the System Board - Intel Locating the Battery on the System Board - Intel 810e4-43 Compaq Deskpro EP Series of Personal Computers5. Lift the battery out of the holder 4.21 Fan Assembly Removing the Fan4.22 Power Supply Removing the Power Supply - 440BXTo replace the power supply, reverse the above procedure Removing the Power Supply - Intel 810/810e4-47 Compaq Deskpro EP Series of Personal Computers4.23 Converting a Desktop to a Minitower Activating the Drivelocks Shown from the Rear of the ChassisInstalling a Drive in the Minitower Configuration 7. Reconnect the power, signal, and audio cables to the drives 4.24 Converting a Minitower to a Desktop Installing a Drive in the Desktop Configuration 4-52 Removal and Replacement Procedures8. Reconnect the power, signal, and audio cables to the drives CONNECTORS, JUMPERS, AND SWITCHES 5.1.1 Connectors, Jumpers, and SwitchesConnectors, Jumpers, and Switches - 440BX Three-DIMM Board 5.1 System BoardConnectors, Jumpers, and Switches - 440BX Two-DIMM Board Connectors, Jumpers, and Switches - Intel 810e PCA=010697-1015-2 Connectors, Jumpers, and Switches System Board Overview - 440BX Two-DIMM BoardConnectors, Jumpers, and Switches - Intel 810/810e Two-DIMM Board System Board Overview - Intel 810 Two-DIMM BoardSystem Board Overview - Intel 810e Two-DIMM Board Description5.1.2 Switches Switch SW1 Settings 440BX5.1.3 Jumpers 440BX E50 Jumper LocationClearing Configuration Memory CMOS 440BX Disabling or Clearing the Power-On and Setup Passwords 440BX5-6 Connectors, Jumpers, and Switches 5.1.4 Jumpers Intel 810/810e E49 Jumper LocationDisabling or Clearing the Power-On and Setup Passwords Intel 810/810e 5-8 Connectors, Jumpers, and SwitchesClearing Configuration Memory CMOS - Intel 810/810e CMOS Button SW50 Location5.2.1 Using the Cable-Select Feature with Ultra ATA Devices 5.2 Hard Drives5.2.2 Drive Jumper Settings DefinitionSeagate FujitsuMaxtor Ultra ATA Hard Drive Jumper Settings Maxtor Ultra ATA Hard Drive Jumper Settings5-12 Connectors, Jumpers, and Switches DefinitionSPECIFICATIONS 6.1 SpecificationsSystem 6.1.1Interrupts 6.1.26-2 Specifications Hardware IRQ6.1.4 I/O 6.1.3System Function Shipping Configuration Hardware DMASystem Function Shipping Configuration 6-4 SpecificationsI/O Address Hex I/O Continued6.2 Drives 6.1.5 Memory Map1.44-MB Diskette Drive 6.2.16.2.2 6-6 SpecificationsUltra ATA Hard Drives 3.2-GB24X Max 6.2.3 CD-ROM Drives32X Max CD-ROM continued 6-8 Specifications40X Max 6.5 Supported Graphics Resolutions 6.3 Compaq Enhanced Keyboard6.4 2-Button Mouse 6.5.1 ATI RAGE PRO TURBO 1X AGP6.5.2 ATI RAGE PRO IIC AGP 6.5.3 NVIDIA RIVA 128 AGP6.5.4 Matrox MGA G100 AGP 6-10 Specifications6.5.6 Matrox Millenium G400-SG AGP 6.5.5 Matrox Millenium G200-SD AGP6.5.7 Integrated Intel 3D Graphics 6-12 Specifications 6.6 Audio Controllers440BX440BX Intel 810/810e 6-13SERVICE NOTES chapterIndex Page system design, 1-3 specifications system board tools service considerationsUltra ATA devices, 4-13 Ultra ATA hard drive specifications Western Digital EIDE hard drive jumper settings181099-001 134011-004