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Compaq N150 manual Table A-3 External Keyboard/Mouse, Table A-4 RJ-11 Modem, Pin Signal

Models: N150

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Connector Pin Assignments

Table A-3

External Keyboard/Mouse

	1	2
	3	KEY 4
	5	6

Pin	Signal	Pin	Signal

1	Keyboard/mouse data1	4	+5 VDC

2	Keyboard/mouse data2	5	Keyboard/mouse clock1

3	Ground	6	Keyboard/mouse clock2

Table A-4

RJ-11 Modem

Pin	Signal	Pin	Signal

1	Unused	4	Unused

2	Tip	5	Unused

3	Ring	6	Unused

A–2	Maintenance and Service Guide

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Compaq N150 manual Table A-3 External Keyboard/Mouse, Table A-4 RJ-11 Modem, Pin Signal

Contents

Maintenance and Service Guide Page Contents Illustrated Parts Catalog Screw Listing Index Models and Features Product DescriptionKey Description Options ModelsKey T4X Taiwan Features Serial Power Management Component Function External Computer ComponentsFront and Left Side Panel Components 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 Section Description Troubleshooting FlowchartsTroubleshooting Flowcharts Overview 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 Description Number Speakers PC Card assemblyDisk cell RTC battery Heat sinkComputer System Major Components Media Bay devices Battery packsItem Description Number Mini PCI Communications Boards Base enclosureItem Description Miscellaneous Plastics Kit ComponentsMiscellaneous Plastics Kit Components Spare Part Number Miscellaneous Hardware Kit Components Miscellaneous Hardware Kit Components Spare Part NumberCable Kit Components Cable Kit Components Spare Part NumberDescription Number Diskette drive 239035-001 Hard drives Mass Storage DevicesMass Storage Devices Optical drivesMiscellaneous Miscellaneous Spare Parts not illustrated50W slim AC adapter Power cord, black, 6 feetDescription Number External AC adapter Logo kitService Considerations Tools RequiredPlastic Parts Cables and ConnectorsPreventing Damage to Removable Drives Maintenance and Service Guide Packaging and Transporting Precautions Preventing Electrostatic DamageWorkstation Precautions Grounding Equipment and Methods Relative Humidity Event 10% 40% 55% Typical Electrostatic Voltage LevelsStatic-Shielding Materials Material Use Voltage Protection LevelRemoval and Replacement Procedures Serial Number # of Screws Disassembly Sequence ChartDisassembly Sequence Chart 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 AC Adapter Power Requirements DimensionsStandalone Battery Power Requirements TemperatureVibration Relative Humidity non condensingShock Inch XGA, TFT Display 15 GB 10 GB User capacity per drive1 Logical configurationHard Drives Interface typeDisk rotational speed 15 GB 10 GB Physical configurationBuffer size3 Transfer rateDiskette Drive CD-ROM Drive Audio output level DVD-ROM DriveDisk thickness Track pitch Weight Power supply input AC AdapterEnvironmental requirements Battery PacksEnergy System DMA Hardware DMA System FunctionSystem Interrupts Hardware IRQ System FunctionSystem I/O Addresses 16F Unused VGA System Memory Map Size Memory Address System FunctionTable A-1 Stereo Speaker/Headphone Pin Signal Audio out GroundPin Signal Audio Ground Table A-2 MicrophoneTable A-4 RJ-11 Modem Pin SignalTable A-3 External Keyboard/Mouse 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 RequirementsCountry Accredited Agency Applicable Note Number Conductor Power Cord Set Requirements-By CountryCountry-Specific Requirements Maintenance and Service Guide Screw Listing Color Qty Length Thread Width Pewter M2.5 Table C-1 M2.5 × 7.0 ScrewHead 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