Compaq 1245 specifications System I/O Address, Address Hex System Function Shipping Configuration

Page 76

Maintenance & Service Guide

Presario 1200 Series

Model: 1245

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Specifications

System I/O Address

 

System I/O Address

 

 

 

 

I/O Address (Hex)

System Function (Shipping

 

Configuration)

 

 

 

0000H

- 000FH

 

Direct memory access

 

controller

 

 

 

0020H

- 0021H

 

Programmable interrupt

 

controller

 

 

 

0022H

- 0024H

 

Motherboard resources

0040H

- 0043H

 

System timer

0060H

- 0060H

 

Standard 101/102-Key or

 

Microsoft Natural Keyboard

 

 

 

0061H

- 0061H

 

System speaker

0064H

- 0064H

 

Standard 101/102-Key or

 

Microsoft Natural Keyboard

 

 

 

0070H

- 0071H

 

System CMOS/real time clock

0080H

- 0080H

 

Motherboard resources

0081H

- 008FH

 

Direct memory access

 

controller

 

 

 

0092H

- 0092H

 

Motherboard resources

00A0H - 00A1H

 

Programmable interrupt

 

controller

 

 

 

00C0H - 00DFH

 

Direct memory access

 

controller

 

 

 

00ECH - 00EFH

 

Motherboard resources

00F0H - 00FFH

 

Numeric data processor

0170H

- 0177H

 

Opti Viper Max Dual PCI IDE

 

Controller

 

 

 

0170H

- 0177H

 

Secondary IDE controller (dual

 

fifo)

 

 

 

01F0H - 01F7H

 

Opti Viper Max Dual PCI IDE

 

Controller

 

 

 

01F0H - 01F7H

 

Primary IDE controller (dual

 

fifo)

 

 

 

0220H

- 022FH

 

ES1869 Plug and Play

 

AudioDrive

 

 

 

02F8H - 02FFH

 

Compaq Presario 56K-DF

0330H

- 0331H

 

ES1869 Plug and Play

 

AudioDrive

 

 

 

0370H

- 0371H

 

Motherboard resources

0376H

- 0376H

 

Opti Viper Max Dual PCI IDE

 

Controller

 

 

 

0376H

- 0376H

 

Secondary IDE controller (dual

 

fifo)

 

 

 

0378H

- 037FH

 

Printer Port (LPT1)

0388H - 038BH

 

ES1869 Plug and Play

 

AudioDrive

 

 

 

03B0H - 03BBH

 

NeoMagic MagicGraph 128XD

03C0H - 03DFH

 

NeoMagic MagicGraph 128XD

03F0H - 03F5H

 

Standard Floppy Disk

 

Controller

 

 

 

03F6H - 03F6H

 

Opti Viper Max Dual PCI IDE

 

Controller

 

 

 

03F6H - 03F6H

 

Primary IDE controller (dual

 

fifo)

 

 

 

03F7H - 03F7H

 

Standard Floppy Disk

 

Controller

 

 

 

03F8H - 03FFH

 

Communications Port (COM1)

040BH - 040BH

 

Motherboard resources

0480H - 048FH

 

Motherboard resources

04D6H - 04D6H

 

Motherboard resources

0800H - 0807H

 

ES1869 Control Interface

0CF8H - 0CFFH

 

PCI bus

FCF0H - FCF7H

 

Primary IDE Controller (dual

 

fifo)

 

 

 

FCF0H - FCFFH

Opti Viper Max Dual PCI IDE

Controller

 

FCF8H - FCFFH

Secondary IDE Controller

(dual fifo)

 

Return to the index list of Specifications.

Page 75 Page 77
Image 76
Page 75 Page 77
Contents Maintenance & Service Guide Maintenance & Service Guide Symbols PrefaceCompaq Product DescriptionModels & Features Battery ES NiMH System Memory 32 MBDisplay 12 HPA Processor Hard Drive CD Drive 24× MAX ModemFront Panel Components Controls and LightsLeft Side Components Right Side Components Bottom of Unit Rear Connectors Power Management for Windows Power Management Properties Power Management SettingsDisplay Properties Sleep Hibernation Mode Mode To Initiate To End IndicatorsRebooting After a Lockup Servicing Your Computer Full Off Mode Illustrated Parts Catalog Place cursor over each device to obtain its part number System UnitBoards Place cursor over each device to obtain its part numberDisplay Assembly Mass Storage Devices Place cursor over each device to obtain its part numberMiscellaneous Cables Kit Power Cord CablesMiscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics KitMiscellaneous Parts Description Documentation and SoftwareSpare Part Number Removal and Replacement Procedures Serial Number LocationElectrostatic Discharge Generating StaticService Considerations Select the desired illustration Cables and ConnectorsPlastic Parts ZIF Connectors Ribbon cable position for the 3.2-GB hard drive Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly Removing the Battery Pack To remove the battery pack, complete the following stepsReplacement Procedures Prepare the computer for disassembly Removing the Palmrest Cover with Touch PadWhen replacing the palmrest cover, ensure Return to Removal Removing the Heatspreader Removing the Keyboard Removing the Processor To replace the processor complete the following steps Maintenance & Service Guide Removing the Hard Drive Presario 1200 Series Models Replacement Procedures Removing the CD Drive Maintenance & Service Guide To replace the CD drive, reverse the previous procedures Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous procedures Removing the Display Panel Assembly Maintenance & Service Guide Maintenance & Service Guide Maintenance & Service Guide When removing the display panel assembly Return to Removal Removing the Upper CPU Cover Removing the Speaker Assembly Fan Assembly System Board Dip Switch Settings Memory Module Removing the Diskette DriveReplacement Procedures Removing the Fan Assembly System Board Dip Switch Settings Memory ModuleTo replace the fan assembly, reverse the previous procedure Removing the System Board Remove three standoffs from the system board Maintenance & Service Guide Remove three screws from the system board To replace the system board, reverse the previous procedures Removing the Memory Module Memory ModuleReplacement Procedures Specifications Physical and EnvironmentalSystem Interrupts System InterruptsHardware System Function System DMA System DMAHardware DMA System Function System I/O Address Address Hex System Function Shipping ConfigurationSystem I/O Address System Memory Catalog System Memory CatalogDisplay Memory Expansion Energy Battery PackEnvironmental Requirements Diskette Drive Logical Configuration Hard DrivesHard Drives Capacity Per Drive Formatted Seek Times24× CD Drive Dimensions CD DriveRotational Speed Typical Transfer RateConnector Pin Assignments Battery Pack Operating Time Increasing Battery Pack Operating TimeConditioning a Battery Pack Disposing of a Used Battery PackTroubleshooting Follow the Preliminary StepsPreliminary Steps Run Computer CheckupPower-On Self Test Post Running PostProbable Cause Recommended ActionPerform Computer Checkup Test Compaq DiagnosticsView System Information Inspect Contacting Compaq Support Shipping PreparationClearing the Power-on Password Remove the Palmrest Cover with Touch PadDiagnostic Error Codes Select error codes by number or typeTroubleshooting Without Diagnostics Before Replacing PartsSolving Minor Problems Solving PC Card Problems Solving Power Problems
Top Page Image Contents