HP m300 manual Service Considerations, Tool and Software Requirements, Screws

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4.2 Service Considerations

Listed below are some of the considerations that you should keep in mind during the disassembly and assembly of the Compaq Expansion Base.

Tool and Software Requirements

The following tools are needed to service the Compaq Expansion Base:

■Phillips screwdriver (for bezel cage removal)

■Torx T-10 screwdriver (for tray, top cover, left speaker, control bay, control panel, and mechanism assembly removal procedures)

■Torx T-15 screwdriver (for PCI expansion board installation procedures and power supply and backplane removal procedures)

■Phillips screwdriver (for bezel cage removal and installation procedures)

Screws

The screws used in the Compaq Expansion Base are not interchangeable. If an incorrect screw is used during the reassembly process, it can damage the unit. Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.

CAUTION: When servicing the Compaq Expansion Base, ensure that all screws are kept with the part with which they belong. Using an improper screw during reassembly can damage the Compaq Expansion Base.

IMPORTANT: As each subassembly is removed from the Compaq Expansion Base, it should be placed away from the work area to prevent damage.

4-6Removal and Replacement Preliminaries

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Contents Compaq ArmadaStation EM Maintenance and Service Guide Contents Appendix Technician Notes Using this GuideSymbols Locating Additional Information Serial NumberProduct Description ArmadaStation EM FeaturesExternal Connectors Security FeaturesDescription Function ArmadaStation EM ComponentsArmadaStation EM Front Components ArmadaStation EM Right Side Components Volume control switchArmadaStation EM Rear Panel Components ArmadaStation EM Rear Panel ComponentsMultiBays Activity LightsMultiBay/Device Compatibility DevicePCI Expansion Boards Half-Height BaySecurity Lock Before Replacing Parts TroubleshootingSolving Docking and Undocking Problems Problems and SolutionsSolving Expansion Board Problems Problem Probable Cause Recommended ActionsSolving Expansion Device Installation Problems Solving External Keyboard ProblemsSolving External Mouse Problems Press any key or click the mouse Solving External Monitor ProblemsSerial Number Location Illustrated Parts CatalogCompaq ArmadaStation EM Components Compaq ArmadaStation EM ComponentsDescription Spare Parts Compaq ArmadaStation EM ComponentsItem Description Plastics Kit ComponentsPlastics Kit Components Spare Part Number MultiBay Option Cable Kit Components Spare Part Number MultiBay Option Cable KitSpare Part Number MiscellaneousSpare Parts Miscellaneous not illustrated Electrostatic Discharge Removal and Replacement PreliminariesPreventing Electrostatic Damage to Equipment Generating StaticTypical Electrostatic Voltages Relative Humidity Event 10% 40% 55%Grounding Methods Preventing Damage to DrivesStatic Shielding Protection Levels MethodGrounding Equipment Grounding WorkstationsRecommended Materials and Equipment Screws Service ConsiderationsTool and Software Requirements Plastic Parts Cables and ConnectorsRemoval and Replacement Procedures Expansion Base Disassembly Sequence Disassembly Sequence ChartDisconnecting the Expansion Base Preparing the Expansion Base for DisassemblyExpansion Base Feet External ComponentsRemoving the Tray TrayRemoving the Connector Cover Connector CoverRemoving the Rear Bezel Rear BezelSliding the Manual Release Lever Locating the Expansion Slots PCI Expansion Boards10.Removing the Expansion Slot Cover 11.Installing an Expansion Board 12.Removing the Top Cover Screws Top CoverSwing the top cover up and forward to remove it Figure Half-Height Bay Installing a Half-Height Drive15.Removing the Half-Height Bay Blank Bezel Cover 16.Removing the Half-Height Drive Screws 17.Attaching the Bezel Cage to the Half-Height Drive 18.Connecting the Power Cable 19.Connecting the Diskette Drive Cable 20.Connecting the Hard Drive Cable 21.Connecting the CD-ROM Drive/Audio Cable 22.Installing a Half-Height Drive 23.Removing the Left Speaker Left SpeakerMultiBay 24.Disconnecting the Half-Height Bay and Left Speaker Cables25.Removing the MultiBay and Control Panel 26.Removing the Control Panel Control PanelMechanism Assembly 28.Removing the Mechanism Assembly Power Supply 30.Removing the Power Supply 31.Removing the Backplane BackplaneMetric Expansion Base Physical and Environmental SpecificationsPecifications 2Specifications Table A-2 Microphone Jack Connector PIN AssignmentsTable A-1 Headphone Jack Table A-4 Table A-5 Serial ConnectorTable A-3 Table A-8 Stereo Line-in Jack Table A-6Table A-7 Stereo Line-out Jack Signal Pin Table A-13 Docking ConnectorPDATA6 LD14 Pin Signal General Requirements Power Cord SET RequirementsConductor Power Cord Set Country Accredited Agency Applicable Note Numbers Conductor Power Cord Set Requirements-By CountryCountry-Specific Requirements Index PCI Index

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