HP 1900-XL162, 1900-XL160, 1900-XL165 manual Devices, System Timer

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Maintenance & Service Guide

Presario 1900 Series

Models: XL1, XL160, XL161, XL162, XL163, and XL165

Before You Begin		Specifications		Parts Catalog

Removal Sequence		Troubleshooting		Battery Operations


Product Description		Pin Assignments		Index

Specifications

System Interrupts

IRQ		Device(s)

0		System Timer

1Standard 101/102-Key or Microsoft Natural Keyboard

2	Programmable Interrupt Controller
3	Ambit Modem
4	Communications Port (COM1)
5	ESS 1946 Audio Controller
6	Standard Floppy Disk Controller
7	Printer Port (LPT1)
8	System CMOS/Real Time Clock

9Intel 82371AB/EB PCI to USB Universal Host Controller

10PCI Fast Ethernet DEC 21143 Based Adapter

11Texas Instruments PCI-1225 CardBus Controller

ATI M1 Graphics Controller

12 PS/2 Compatible Mouse Port

13 Numeric Data Processor

14Intel 82371AB/EB PCI Bus Master IDE Controller

15Intel 82371AB/EB PCI Bus Master IDE Controller

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Contents Index Battery OperationsPin Assignments Before You Begin Table Of ContentsMaintenance & Service Guide Preface SymbolsSpecifications Specifications Devices System TimerSystem DMA System Memory Catalog System I/O AddressDisplay Information Hard Drives TFT DisplayCD ROM Drive DVD Drive Illustrated Parts Catalog Before You Begin Specifications Parts CatalogSystem Unit Illustrated Parts CatalogSystem Unit Boards Illustrated Parts CatalogSystem Unit Display Panel Assembly Documentation Software Mass Storage DevicesMiscellaneous Hardware Plastics Kit System Unit Description Spare Part Number Documentation and SoftwareQuickFind Part Number Suffix CD- ROM Product Description Model Compaq Discovery 1900 Series Portable ComputerModel XL160 XL161 Model XL162 XL163 & NewModels Features Models Features Controls Lights Models Features Controls Lights Status Panel Right Side Components Bottom Unit Left Side Top Wedge Components Right Side Wedge Components Product Description Port Replicator Connectors Components Power Management RearProduct Description Integrated 10/100BaseT Ethernet Port Replicator ConnectorsPort Replicator Components Full Off Main Power Off Mode Power Management SettingsHibernation Mode Rebooting After a LockupExternal VGA Monitor Connector Parallel ConnectorSerial Connector Keyboard/Mouse ConnectorSerial Number Removal and Replacement ProceduresGenerating Static Electrostatic DischargeTypical Electrostatic Voltages Removal and Replcement Procedures Plastic Parts Cables and ConnectorsCables Select the desired illustrationRemoving a Cable from Zif Connector Remove the wedge Preparing the Computer for DisassemblyElectrostatic Remove any PC CardsTo remove the battery pack, complete the following steps Removing the Battery PackRemoving Hard Drive Removal and Replacement ProceduresRemoving the Keyboard Return to Removal Replacement Procedures Removing the Memory Module Removing the Modem Removal and Replacement Procedures Removing the Heatspreader with Thermal Pad Removal and Replacement Procedures Remove the larger half of the heatspreader Free Removing the ProcessorWhich can be easily damaged, if not properly removed Prepare the computer for disassembly Remove the keyboard Removing Inch Display Panel AssemblyRemoving the 13.3 inch Display Panel Assembly Removal and Replacement Procedures Removal and Replacement Procedures Next Step Return to Removal Replacement Procedures Removing the Upper CPU Cover with Palmrest and TouchPad Remove two screws on the rear of the unit Replacement Procedures Removing the Hard Drive/Battery Charger Board Removing Converter Board Fan Assembly System Board Speaker DVD or CD Drive System Board Speaker Assembly DVD or CD Drive Removing the Fan AssemblyRemoving the System Board Speaker Assembly DVD or CD DriveNext Step Removing Display Panel Assembly Hinge Bracket Illustration not shown but is forthcoming DVD or CD Drive Removing the DVD or CD- ROM Drive Prepare the computer for disassembly Disassemble the wedgeRemoving the DVD or CD-ROM Drive Troubleshooting Preliminary Steps Run Compaq diagnosticsRunning Post Power-On Self-Test MessagesClearing Power-on Password System Memory Compaq DiagnosticsComputer Checkup Test View System Information InspectShipping Preparation Contacting Compaq SupportProcessor Test Error Codes Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Power Problems Solving PC Card ProblemsSolving CD/DVD Drive Problems Solving Minor ProblemsSolving Audio Problems Solving Battery Pack and Battery Gauge ProblemsMinimizing the Energy Required Increasing Battery Pack Operating TimeConditioning a Battery Pack Disposing of a Used Battery Pack

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