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Compaq System DMA, DMA, Notice, Preface, Home Page, Device(s), Product Description, Battery Pack Operations, Specifications Pin Assignments

Models: 1906 1910 1915 1919 1920 1922 1925

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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920

		United States June 27, 2004
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Maintenance & Service Guide

Presario 1900 Series

Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and 1925

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

System DMA


	DMA		Device(s)


	0		NMA2 Audio Controller


	1		NMA2 Audio Controller


	2		Floppy Disk Controller


	3		Parallel Port (ECP Mode)


	5		Free


	6		Free


	7		Free

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file:///C/SERVICE%20MANUALS/COMPAQ%20_%20checke...0%201915%201919%201920%201922%201925/SysDMA.html6/27/2004 5:05:47 AM

Contents

Page Left Side Components Right Side Components Power Management Notice Page Symbols Technician Notes Serial Number Locating Additional Information Product Description Management Page Troubleshooting Page System Unit Boards Display Mass Storage Devices Plastics Kit Page Removal and Replacement Procedures Serial Number Upper CPU Cover with Palmrest and TouchPad Hard Drive Specifications Page Connector Pin Assignments Parallel Connector Pin Signal Serial Connector Connector Keyboard/Mouse Connector External VGA Monitor Connector Universal Serial Bus Connector Modem Connector Port Replicator Connector LAN Connector Presario 1900 Series Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and | Home Page| Notice| Preface| Product Description| Troubleshooting Battery Pack Operating Time Increasing Battery Pack Operating Time NOTE: Minimizing the Energy Required Maximum Maximizing the Energy Stored Conditioning a Battery Pack Battery Charge Time Computer On Line Off Line Disposing of a Used Battery Pack Models and Features DVD or CD Drive DVD Drive Controls and Lights Models and Features Controls and Lights Management Status Panel Lights Page Left Side Components Page Right Side Components Page Bottom of Unit Bottom of Unit Page Left Side and Top Components of the Removable Drive Wedge Controls and Lights Rear Connectors Left Side and Top Page Right Side Components of the Removable Drive Wedge Page Rear Connectors Page Maintenance & Service Guide Integrated 10/100BaseT Ethernet Port Replicator Connectors Models and Features Controls and Lights Status Panel Left Side Components Page Integrated 10/100BaseT Ethernet Port Replicator Components Page Models and Features Controls and Lights Status Panel Left Side Components Power Management Power Management Settings Home/Office Desk Portable/Laptop Always System Standby IMPORTANT: Never Power Management Hibernate Off Start Rebooting After a Lockup Full Off (Main Power Off) Mode Page Page Preliminary Steps Page Clearing the Power-onPassword Page Running POST XX000YZZ 201-MemoryError 301-KeyboardError 304-Keyboardor System Unit Error 601-DisketteController Error 605-DisketteDrive Error Compaq Diagnostics Computer Checkup (TEST) View System Information (INSPECT) 5.Select View System Information (INSPECT) from the Diagnostics menu System ROM Audio Operating system Diagnostic Error Codes Processor Test Error Codes Error Code Description Recommended Action Keyboard Test Error Codes Parallel Printer Test Error Codes Diskette Drive Test Serial Test Error Codes Hard Drive Test Error Codes Video Test Error Codes Page Audio Test Error Codes TouchPad/Pointing Device Interface Test Error Codes CD/DVD Drive Test Error Codes Page Troubleshooting Without Diagnostics WARNING: Before Replacing Parts Solving Audio Problems Solving Battery Pack and Battery Gauge Problems Page Solving CD/DVD Drive Problems Solving Diskette and Diskette Drive Problems Solving Display Problems LCD CRT Solving Hard Drive Problems Solving Hardware Installation Problems Solving Keyboard/Numeric Keypad Problems Solving Memory Problems Page Contacting Compaq Support Shipping Preparation Page System Unit System Unit Boards Display Mass Storage Page Boards Display Panel Assembly Mass Storage Devices Display Mass Storage Devices Parts Page Miscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics Kit Spare Part Number: 331418-001(Models: 1905, 1906, 1910, 1915, 1919, & Spare Part Number: (Models: 1922 & 1925) Page Miscellaneous Hardware and Plastics Wedge Kit Miscellaneous Hardware and Plastics Wedge Kit Spare Part Number: 331424-001(Models: 1905, 1906, 1910, 1915, 1919, & 1920) Page Miscellaneous Parts Cables Documentation and Software System Unit Boards Display Assembly Documentation and Software Page Electrostatic Discharge Generating Static Page Service Considerations Tool and Software Requirements Screws Page Cables and Connectors Cables CAUTION: Select the desired illustration ZIF Connector Plastic Parts Return to Removal & Replacement Procedures Preparing the Computer for Disassembly Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly Upper CPU Cover with Palmrest and TouchPad Battery Charger Converter Board Disassembling the Wedge DVD or CD Drive Removing the Battery Pack Electrostatic Discharge Service Considerations Low Voltage Differential Signal Board Fan Assembly System Board Removing the 4.0-GB, 4.8-GB,or 6.4-GBHard Drive Page Removing the Keyboard Page Removing the Memory Module Page Removing the Modem Page Removing the Heatspreader with Thermal Pad System to Wedge Interface Board Removing the Processor Electrostatic Discharge IMPORTANT: pins which can be easily damaged, if not properly removed Page Page Removing the 12.1 or 13.3 inch Display Panel Assembly Page Removing the Upper CPU Cover with Palmrest and TouchPad Electrostatic Discharge Display Panel Assembly Upper CPU Cover with Palmrest and TouchPad Page Removing the Hard Drive/Battery Charger Board Page Removing the Converter Board Page Removing the Low Voltage Differential Signal (LVDS) Interface Board Page Removing the Fan Assembly Page Removing the System Board Upper CPU Cover with Palmrest and TouchPad Hard Drive Removing the Speaker Assembly Page Disassembling the Removable Drive Wedge Page Removing the DVD or CD-ROMDrive DVD or CD-ROM Drive Removing the System to Wedge Interface Board Upper CPU Cover with Palmrest and TouchPad DVD or CD Drive Removing the Diskette Drive or the LS-120Drive Page Removing the Wedge to the Port Replicator Interface Board Page Physical and Environmental Computer Specifications 12.1" TFT Dimensions 13.3" TFT Dimensions Weight NOTE: System Interrupts Page System DMA Maintenance & Service Guide Presario 1900 Series Models: 1905, 1906, 1910, 1915, 1919, 1920, 1922, and System Memory Catalog Display Information Memory Expansion Diskette Drive or LS-120Drive Hard Drive Page CD ROM or DVD Drive Models and Features Models and Features Controls and Lights Status Panel Left Side Components Connectors Power Management