HP nx7000, X1000 manual System DMA, Hardware System

Page 138

Specifications

	Table 6-12
	System DMA
Hardware	System
DMA	Function

DMA0	Available for audio

DMA1*	Entertainment audio
	(default; alternate = DMA0, DMA3, none)

DMA2*	Diskette drive

DMA3	ECP parallel port LPT1
	(default; alternate = DMA0, none)

DMA4	DMA controller cascading (not available)

DMA5*	Available for PC Card

DMA6	Not assigned

DMA7	Not assigned

*PC Card controller can use DMA 1, 2, or 5.

6–12	Maintenance and Service Guide

Image 138

Contents Maintenance and Service Guide Page Contents Removal and Replacement Preliminaries Removal and Replacement ProceduresIllustrated Parts Catalog Screw Listing Index Product Description Models Key Description OptionsKey HP Compaq nx7000 Models DG705A UUG DN728A UUF DG704A UUG DL851A UUF Compaq Presario X1000 Models DN624A ABADN593A UUF DN598A AKL Compaq Presario X1000 Models Features Product Description Clearing a Password Power Management External Components Front and Left Side Components Component FunctionRear Panel and Right Side Components Rear Panel and Right Side Components Keyboard Components Keyboard Components Num lk keyTop Components Top Components Bottom Components Fan vent Allow airflow to cool internal ComponentsBottom Components Design Overview Troubleshooting Computer Setup and Diagnostics UtilitiesUsing Computer Setup File Menu Select To Do ThisSelecting from the Security Menu Security MenuSelecting from the Advanced Menu Advanced MenuAdvanced Menu Using Diagnostics for Windows Obtaining, Saving, or Printing Configuration InformationObtaining, Saving, or Printing Diagnostic Test Information Troubleshooting Troubleshooting Flowcharts Troubleshooting FlowchartsFlowchart Description Flowchart 2.1-Initial Troubleshooting Power?Flowchart 2.2-No Power, Part Power? Go to Section No Power Part Power up On AC ResetFlowchart 2.3-No Power, Part Flowchart 2.4-No Power, Part InternalFlowchart 2.5-No Power, Part Flowchart 2.6-No Video, Part Flowchart 2.7-No Video, Part From Section No Video, Part RemoveFlowchart 2.8-Nonfunctioning Docking Station if applicable Reseat power Cord in docking Station Power outletFlowchart 2.9-No Operating System OS Loading Flowchart 2.10-No OS Loading, Hard Drive, Part Flowchart 2.11-No OS Loading, Hard Drive, Part Flowchart 2.12-No OS Loading, Hard Drive, Part Flowchart 2.13-No OS Loading, Diskette Drive Flowchart 2.14-No OS Loading, CD- or DVD-ROM Drive Flowchart 2.15-No Audio, Part Go to Section No Audio, Part UndockFlowchart 2.16-No Audio, Part Flowchart 2.17-Nonfunctioning Device Flowchart 2.18-Nonfunctioning Keyboard Flowchart 2.19-Nonfunctioning Pointing Device Flowchart 2.20-No Network/Modem Connection Illustrated Parts Catalog Serial Number LocationIllustrated Parts Catalog Spare Part Spare Parts Notebook Major ComponentsItem Description Number Display assembliesIllustrated Parts Catalog Left and right speakers not illustrated KeyboardsSpeaker cover with cable Miscellaneous Cable Kit , includesIllustrated Parts Catalog Spare Part Description NumberIllustrated Parts Catalog Mini PCI communications boards Battery pack, 8 cell, 4.4 wHMiscellaneous Doors/Covers Kit , includes Memory expansion boardsMiscellaneous Plastics Kit Components Item Description Miscellaneous Cable Kit Components Miscellaneous Cable Kit Components Spare Part NumberMiscellaneous Doors/Covers Kit Components Miscellaneous Doors/Covers Kit Components Spare Part NumberMass Storage Devices Mass Storage Devices Spare Part Number InformationMiscellaneous Spare Parts Miscellaneous not illustratedDescription Spare Part Number Removal and Replacement Preliminaries Tools RequiredService Considerations Plastic PartsPreventing Damage to Removable Drives Packaging and Transporting Precautions Preventing Electrostatic DamageWorkstation Precautions Grounding Equipment and Methods 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 Notebook for Disassembly Lift the front edge of the battery pack up and swing it back Remove the hard drive Removing the Hard Drive from the Hard Drive Cover Memory Expansion Board Removing the Memory Expansion Compartment Cover Mini PCI Communications Board Removing the Mini PCI Compartment Cover Removing the Mini PCI Communications Board RTC Battery Optical Drive Keyboard Releasing the Keyboard Disconnecting the Keyboard Cable Switch Cover Speaker Cover Reverse the above procedure to install the speaker cover 12 Fan Heat Sink Reverse the above procedure to install the heat sink Processor Reverse the above procedure to install the processor Display Assembly Removing the Display Screws Reverse the above procedure to install the display assembly Top Cover Removing the Top Cover Screws Removal and Replacement Procedures Disconnecting the Bluethumb Wireless Module Speaker Cables Removing the Top Cover Screws Reverse the above procedure to install the top cover SD Card Slot Board and Cable Removing the SD Card Slot Board and Cable VGA Board and Shield Removing the VGA Board and Shield Modem and Cable Reverse the above procedure to install the modem and cable System Board Removing the System Board Screws Reverse the above procedure to install the system board Temperature DimensionsStand-alone power requirements Relative humidity noncondensingShock VibrationInch, Wide UXGA, TFT Display Inch, Wide SXGA+, TFT Display Inch, Wide XGA+, TFT Display Hard Drives 80 GB 60 GB 40 GB 5400 4200 RpmCell, Primary Li ion Battery Pack External AC Adapter24X DVD/CD-RW Drive 24X CD-RW Drive 8X DVD-ROM Drive Track pitch Access time 24X CD-ROM DriveSystem DMA Hardware SystemSystem Interrupts IRQSystem I/O Addresses Address System Function16F Unused VGA System Memory Map Size Memory Address System FunctionPin Signal RJ-45 Network InterfaceTable A-2 RJ-11 Modem Table A-3 Universal Serial BusTable A-4 Video Table A-5 External Monitor Pin Signal Audio out Pin Signal AudioMicrophone Table A-8 Parallel Conductor Power Cord Set General RequirementsApplicable Note Conductor Power Cord Set RequirementsCountry-Specific Requirements Country Accredited Agency NumberBSI Screw Listing Head Black Where usedTable C-1 Phillips PM2.5×7.0 Screw Color Qty Length Thread WidthHead Color Qty. Length Thread Width Table C-1 Phillips PM2.5×7.0 Screw Silver Where used Table C-2 Phillips PM2.5×3.5 ScrewTable C-3 Phillips PM2.5×5.0 Screw Black 13 5.0 mm 2.5 mm 5.0 mm Table C-3 Phillips PM2.5×5.0 Screw Phillips PM2.5×5.0 Screw Location Table C-3 Phillips PM2.5×5.0 Screw Table C-3 Phillips PM2.5×5.0 Screw Black 15.0 mm Where used Table C-4 Phillips PM2.5×15.0 ScrewTable C-4 Phillips PM2.5×15.0 Screw Table C-4 Phillips PM2.5×15.0 Screw Table C-5 Phillips PM2.5×3.0 Screw Table C-6 Phillips PM2.0×3.0 Screw Table C-7 Phillips PM2.0×9.0 Spring-Loaded Screw Index Index Index-3 Index-4 Index-5 Index-6

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