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Compaq N150 manual Hard Drives, 15 GB 10 GB User capacity per drive1, Interface type

Models: N150

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Specifications

Table 6-3

Hard Drives

	15 GB	10 GB

User capacity per drive1	15.0 GB	10.0 GB
Drive height (with drive frame)	0.37 in/9.5 mm	0.37 in/9.5 mm

Drive width (with drive frame)	2.5 in/63.5 mm	2.5 in/63.5 mm

Interface type	ATA-5	ATA-5

Seek times (typical read, including setting)
Single track3	3.0 ms	3.0 ms
Average3	13.0 ms	13.0 ms
Full stroke3	24.0 ms	24.0 ms
User addressable sectors3	29,498,112	19,640,880
Logical configuration
Cylinders	16,383	16,683
Heads	16	16
Sectors per track	63	63

6–4	Maintenance and Service Guide

Image 108

Compaq N150 manual Hard Drives, 15 GB 10 GB User capacity per drive1, Interface type, User addressable sectors3

Contents

Maintenance and Service Guide Page Contents Illustrated Parts Catalog Screw Listing Index Models and Features Product DescriptionModels KeyKey Description Options T4X Taiwan Features Serial Power Management External Computer Components Front and Left Side Panel ComponentsComponent Function Front and Left Side Panel Components Right Side and Rear Panel Components Right Side and Rear Panel ComponentsRight Side and Rear Panel Components Keyboard components are shown in -4 and described in Table Keyboard Components Fn keyTop Components Top ComponentsTop Components Bottom Components Bottom ComponentsBottom Components Design Overview Troubleshooting Using the PhoenixBIOS Setup Utility Troubleshooting Flowcharts Troubleshooting Flowcharts OverviewSection Description Initial Troubleshooting No Power, Part From Section No Power, Part Power outlet From Section No Power, Part Open Computer No Video, Part From Section No Video, Part Remove Reseat power Cord in docking Station Power outlet Non Functioning Docking Station if applicableNo Operating System OS Loading No OS Loading from Hard Drive, Part From Section System Files on hard Drive? Install OS Reboot No OS Loading from Diskette Drive No OS Loading from CD- or DVD-ROM Drive No Audio, Part UndockFrom Section No Audio, Part Non Functioning Device Non Functioning Keyboard Non Functioning Pointing Device Network or Modem Connection Illustrated Parts Catalog Serial Number LocationComputer System Major Components Computer System Major ComponentsComputer System Major Components Computer System Major Components PC Card assembly Disk cell RTC batteryDescription Number Speakers Heat sinkComputer System Major Components Battery packs Item Description Number Mini PCI Communications BoardsMedia Bay devices Base enclosureMiscellaneous Plastics Kit Components Miscellaneous Plastics Kit Components Spare Part NumberItem Description Miscellaneous Hardware Kit Components Miscellaneous Hardware Kit Components Spare Part NumberCable Kit Components Cable Kit Components Spare Part NumberMass Storage Devices Mass Storage DevicesDescription Number Diskette drive 239035-001 Hard drives Optical drivesMiscellaneous Miscellaneous Spare Parts not illustratedPower cord, black, 6 feet Description Number External AC adapter50W slim AC adapter Logo kitService Considerations Tools RequiredCables and Connectors Preventing Damage to Removable DrivesPlastic Parts Maintenance and Service Guide Packaging and Transporting Precautions Preventing Electrostatic DamageWorkstation Precautions Grounding Equipment and Methods Typical Electrostatic Voltage Levels Static-Shielding MaterialsRelative Humidity Event 10% 40% 55% Material Use Voltage Protection LevelRemoval and Replacement Procedures Serial Number Disassembly Sequence Chart Disassembly Sequence Chart# of Screws Section Description RemovedPreparing the Computer for Disassembly Computer FeetHinge Covers Removing the Hinge CoversKeyboard Keyboard Cover Spare Part Number InformationRemove the two pewter M2.5 × 7.0 screws that secure Display Display Spare Part Number InformationReverse the above procedure to install the display EMI Shield Removing the EMI ShieldTop Cover Top Cover Spare Part Number InformationRemoving the Top Cover Screws Disconnecting Top Cover Connectors 10. Removing the Top Cover TouchPad TouchPad Spare Part Number Information11. Removing the TouchPad Screws Remove the TouchPad bracket and TouchPad from the top cover Speakers Speakers Spare Part Number Information13. Routing the Speaker Cables 14. Removing the Speakers Microphone Reverse the above procedure to install the microphone Display Lid Switch Board 16. Removing the Display Lid Switch BoardHeat Sink Heat SinkReverse the above procedure to install the heat sink Infrared Board Infrared Board Spare Part Number InformationBoard to the base enclosure System Board System Board Spare Part Number Information19. Removing the System Board Screwlocks 20. Removing the System Board Screws 21.Lifting the System Board Reverse the above procedure to install the system board PC Card Assembly PC Card Assembly Spare Part Number InformationReverse the above procedure to install the PC Card assembly Mini PCI Board Mini PCI Board Spare Part Number InformationReverse the above procedure to install the mini PCI board Disk Cell RTC Battery Disk Cell RTC Battery Spare Part Number Information25. Removing the Disk Cell RTC Battery Dimensions Standalone Battery Power RequirementsAC Adapter Power Requirements TemperatureRelative Humidity non condensing ShockVibration Inch XGA, TFT Display Logical configuration Hard Drives15 GB 10 GB User capacity per drive1 Interface type15 GB 10 GB Physical configuration Buffer size3Disk rotational speed Transfer rateDiskette Drive CD-ROM Drive DVD-ROM Drive Disk thickness Track pitchAudio output level Weight Power supply input AC AdapterBattery Packs EnergyEnvironmental requirements System DMA Hardware DMA System FunctionSystem Interrupts Hardware IRQ System FunctionSystem I/O Addresses 16F Unused VGA System Memory Map Size Memory Address System FunctionPin Signal Audio out Ground Pin Signal Audio GroundTable A-1 Stereo Speaker/Headphone Table A-2 MicrophonePin Signal Table A-3 External Keyboard/MouseTable A-4 RJ-11 Modem Table A-5 RJ-45 Network Interface Table A-6 Universal Serial BusTable A-7 Serial Table A-8 External Monitor Table A-9 Parallel Conductor Power Cord Set General RequirementsConductor Power Cord Set Requirements-By Country Country-Specific RequirementsCountry Accredited Agency Applicable Note Number Maintenance and Service Guide Screw Listing Table C-1 M2.5 × 7.0 Screw HeadColor Qty Length Thread Width Pewter M2.5 Table C-1 M2.5 × 7.0 Screw Table C-1 M2.5 × 7.0 Screw Head Color Qty Length Thread Width Table C-2 M2.5 × 8.0 Screw Color Qty Length Thread Width Silver M2.5Table C-3 M2 × 5.5 Screw Color Qty Length Thread Width SilverColor Qty Length Thread Width Black M2.5 Where used Table C-4 M2.5 × 4.5 ScrewTable C-4 M2.5 × 4.5 Screw Table C-4 M2.5 × 4.5 Screw Table C-4 M2.5 × 4.5 Screw Table C-5 M2 × Table C-6 M2.5 × 4.0 Screw Head Table C-7 M2.5 × 3.0 Screw Table C-8 M2 × 6.0 Screw Color Qty Length Thread Width Silver Where used Table C-9 M1 × 4.0 ScrewTable C-10 M2 × 4.0 Screw Table C-10 M2 × 4.0 Screw Table C-11 M2 × 14.5 Screw Table C-12 M2 × 5.0 Screw Table C-13 Mm Screwlock Head Color Qty Length Socket WidthIndex Index-2 Index-3 Spare part number Index-5 Troubleshooting