Compaq Presario 305 Maintenance & Service Manual
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Compaq Presario 305 Maintenance & Service Manual

Compaq Presario 305 Maintenance & Service Manual

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Compaq Presario 305 Maintenance & Service Manual

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  • Page 1 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 2 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 3 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/index.html (2 of 2)6/27/2004 2:16:02 AM...
  • Page 4 © 1999 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A. Compaq and Presario are registered in the U. S. Patent and Trademark Office. Microsoft, MS-DOS, Windows and Windows NT are registered trademarks of Microsoft Corporation. Windows 98 is a trademark of Microsoft Corporation.
  • Page 5 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Compaq Presario 305 Model Portable Computers First Edition (July 1999) Compaq Computer Corporation 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/notice.html (2 of 2)6/27/2004 2:16:12 AM...
  • Page 6 Preface This Maintenance and Service Guide is a troubleshooting reference that can be used when servicing the Compaq Presario 305 Model Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 305 Model Portable Computers without notice.
  • Page 7 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Text set off in this manner presents commentary, NOTE: sidelights, or interesting points of information. Technician Notes WARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair.
  • Page 8 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Compaq Presario 305 Model Portable Computer documentation set Introducing Windows 98 Guide Compaq Service Training Guides Compaq Service Advisories and Bulletins Compaq QuickFind Compaq Service Quick Reference Guide Compaq Internet site at http://Compaq.com 1.800.AT.COMPAQ...

  • Page 9: Product Description

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 10 Compaq.com Compaq Presario Maintenance and Service Guide - 305 One portable with CD-ROM or DVD and floppy functionality. 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/product.html (2 of 2)6/27/2004 2:16:14 AM...

  • Page 11: Troubleshooting

    Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations Troubleshooting This section covers troubleshooting information for the Compaq Presario 305 Preliminary Model Portable Computer. The basic steps in troubleshooting include: Steps Clearing the 1. Follow the Preliminary Steps.

  • Page 12: Illustrated Parts Catalog

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...

  • Page 13: Removal And Replacement Procedures

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 14 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Battery Pack Hard Drive Modem Card RTC Battery Keyboard Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement...
  • Page 15 Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations Specifications This section covers the following specifications of Compaq Presario 305 Model Portable Computers: Physical and environmental System Interrupts System DMA System I/O Address System Memory Catalog...
  • Page 16 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Operating Voltage 90 to 260 VAC RMS Operating Current 1.1 A RMS Operating Frequency Range 47-63 Hz AC Maximum Transient 4/50 kV Temperature Operating 41° to 95 °F 5° to 35 °C Nonoperating -22°...
  • Page 17 Compaq.com Compaq Presario Maintenance and Service Guide - 305 IRQ8 IRQ9 Infrared IRQ10 PCMCIA IRQ12 Internal Point Stick or External Mouse IRQ13 Coprocessor (Not available to any peripheral) IRQ14 IDE Interface (Hard Disk) NOTES: PCMCIA cards may assert IRQ3,IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15.
  • Page 18 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/spec.html (4 of 4)6/27/2004 2:16:16 AM...

  • Page 19: Connector Pin Assignments

    Specifications Pin Assignments Battery Pack Operations Connector Pin Assignments This appendix provides connector pin assignment tables for Compaq Presario 305 Model Portable Computers. For more information on connectors, refer to the section on Rear Connectors. NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).
  • Page 20 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Data 1 Clock 2 Ground +5 V Clock 1 Data 2 External VGA Monitor Modem Connector Pin Signal Connector Pin Signal Unused Analog Unused Green Analog Ring Blue Unused Analog Unused...
  • Page 21 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/conPA.html (3 of 3)6/27/2004 2:16:19 AM...
  • Page 22 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 23 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Type and number of installed PC Cards The power consumption requirements for PC Cards vary widely. Some cards drain the battery pack very NOTE: rapidly. Battery pack operating time can be increased by as much as 50 percent by controlling the energy required by the computer and the energy stored in the battery pack.
  • Page 24 (including whether it is charged on-line or off-line). Disposal of a Used Battery Pack In the interest of safeguarding our environment. Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium ion (Li ion) battery packs be recycled.
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  • Page 26: Models And Features

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  • Page 27 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/models.html (2 of 2)6/27/2004 2:16:23 AM...
  • Page 28 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 29 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model Home Page Notice Preface Product Description...
  • Page 30 Compaq.com Compaq Presario Maintenance and Service Guide - 305 privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/frncomp.html (2 of 2)6/27/2004 2:16:24 AM...
  • Page 31 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 32 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 33 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 34 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 35 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 36 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 37 (On) mode. Compaq Presario Notebook computers have two levels of sleep, Hibernation and Sleep. Hibernation - by pushing the power button once your computer will perform a save to disk followed by a shut down of the computer into Off mode.
  • Page 38 Compaq.com Compaq Presario Maintenance and Service Guide - 305 CAUTION: While in Sleep mode, your computer will maintain system information and open files. Unsaved information will be lost if you turn off your system prior to system wake-up, or if you lose power while using the AC adapter.
  • Page 39 Compaq.com Compaq Presario Maintenance and Service Guide - 305 from a cold start) slide and hold down the Power Switch for at least four seconds, which will cause a manual shutdown. Then, restart it with a single slide of the Power Switch. If it still doesn't recover, slide the Power Switch and hold it for four seconds to shut it down, then, remove the battery or unplug the AC power for at least 30 seconds.

  • Page 40: Preliminary Steps

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  • Page 41 POST with and without the external device connected. 8. Use Compaq Utilities and loopback plugs in the serial and parallel connectors if you plan to test these ports. When the preliminary steps are completed, you are ready to run POST.

  • Page 42: Clearing The Power-On Password

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 43 Compaq.com Compaq Presario Maintenance and Service Guide - 305 5. Disconnect and remove the RTC battery. 6. Wait for five minutes. 7. Reconnect the RTC battery. 8. Reconnect the AC Adapter. Do not reinstall the battery pack yet. 9. Turn on the computer...

  • Page 44: Power-On Self Test (Post)

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 45 Compaq.com Compaq Presario Maintenance and Service Guide - 305 System board failure System options not set Memory Error XX000YZZ 201 Keyboard Error Keyboard or System Unit Error Diskette Controller Error Diskette Drive Error Primary Hard Drive 0 Failure 1780 Hard Drive Controller...
  • Page 46 Compaq.com Compaq Presario Maintenance and Service Guide - 305 RAM failure Replace the memory module. Replace the system board. Memory test data error Replace the memory module. Replace the system board. XX000YZZ RAM failure Replace the system board. 301-Keyboard Error...
  • Page 47 Compaq.com Compaq Presario Maintenance and Service Guide - 305 605-Diskette Drive Error Recommended Probable Cause Action Run Computer Mismatch in drive type Setup. 1780-Primary Hard Drive 0 Failure Probable Cause Recommended Action Disk 0 failed to respond 1. Run Computer Checkup (TEST).

  • Page 48: Compaq Diagnostics

    Battery Pack Operations Compaq Diagnostics Compaq Diagnostics is installed on the hard drive of the computer. Run the Diagnostics utilities when you want to view or test system information and if you have installed or connected devices. If you run Compaq Diagnostics from a diskette, ensure that it is version 10.11 or later.
  • Page 49 Configure options Update time, date, or password information To run Computer Setup: Go to the Compaq Utilities menu and select the Computer Setup option. Follow the on-screen instructions to complete your chosen task. Computer Checkup (TEST) Computer Checkup (TEST) determines whether the various computer components and devices are recognized by the system and are functioning properly.
  • Page 50 1. Connect the printer if you want to print the INSPECT information. 2. Turn on the computer. 3. Access Compaq Utilities by pressing F10 when the cursor blinks in the upper-right corner of the display. 4. If prompted, select a language.
  • Page 51 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Audio Keyboard Operating system System ports System files System storage Windows files Graphics Miscellaneous Network (applicable only if computer is docked in the expansion base or convenience base) 7. Follow the instructions on the screen to cycle through the screens, to return to the list and choose another item, or to print the information.

  • Page 52: Diagnostic Error Codes

    Diagnostic Error Codes Diagnostic error codes occur if the system recognizes a problem while running the Compaq Diagnostic program. These error codes help identify possibly defective subassemblies. The following tables list error codes, a description of the error condition, and the action required to resolve the error condition.
  • Page 53 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1701 through 1736 Hard Drive Test 501 through 516 Video Test 2402 through 2456 2458 through 2480 3206 Audio Test 8601 through 8602 Touch Pad Pointing Device Test 3301 through 3305...
  • Page 54 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Keyboard Test Error Codes 300-xx Failed ID Test 1. Check the keyboard connection. If disconnected, turn off the computer 301-xx Failed Selftest/Interface Test and connect the keyboard. 302-xx Failed Individual Key Test 2.
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  • Page 56: Troubleshooting Without Diagnostics

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  • Page 57 Verify that all printer drivers have been installed for each application. Obtaining Update Information with Info Messenger Compaq Info Messenger allows you to set a customized search of the Compaq Web site. By registering for this utility, you can stay up to date with software and hardware information specific to your system.
  • Page 58 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 59 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Volume may be muted. Uncheck the mute box in the volume properties. External microphone does not Using the wrong type of microphone or Check to see if you are work. microphone plug for the computer.
  • Page 60 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Computer is beeping Battery pack charge is low. Immediately save any open file(s). Then and battery power either: light is blinking. Connect the computer to an external power source to charge the battery pack.
  • Page 61 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Battery pack has exceeded its Use a different battery pack. useful life cycle. Computer shut down Hibernation was not initiated Work is lost. and memory was lost before removing the battery when replacing the pack.
  • Page 62 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Diskette is not formatted. Format the diskette: If you are using Windows 98: 1. From the Windows desktop, select My Computer. 2. Select 3.5-in Floppy (A). 3. Select File, then Format.

  • Page 63: Contacting Compaq Support

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  • Page 64 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Ensure that there is no diskette in the diskette drive and that there are no PC Cards in the PC IMPORTANT: slots. 4. Close the display and all exterior doors of the computer.
  • Page 65 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 66 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/boards.html (2 of 2)6/27/2004 2:16:37 AM...
  • Page 67 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Compaq.com United States Maintenance & Service Guide Presario 305 Model MSG Index Home Page...
  • Page 68 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/mass.html (2 of 2)6/27/2004 2:16:38 AM...
  • Page 69 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 70 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 71 Compaq.com Compaq Presario Maintenance and Service Guide - 305 privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/miscpl.html (2 of 2)6/27/2004 2:16:40 AM...
  • Page 72 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 73 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 74 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 75 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/docume.html (2 of 2)6/27/2004 2:16:41 AM...

  • Page 76: Serial Number Location

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  • Page 77 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/serloc.html (2 of 2)6/27/2004 2:16:42 AM...
  • Page 78 To prevent Discharge damage, do not allow metal objects to touch the battery contacts. Place only the battery pack for the Compaq Presario 305 Model Service Portable Computers into the battery compartment. Do not force Considerations the battery pack into the bay if insertion does not occur easily.
  • Page 79 Switch Cover installing internal components can damage the equipment. Display Panel Deck The Compaq Presario 305 Model Portable Computer has several Voltage screws of various sizes which are not interchangeable. Care must Converter NOTE:...
  • Page 80 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 81 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Event Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor 12,000 V 5,000 V 3,000 V Motions of bench worker 6,000 V 800 V 400 V Removing DIPS from plastic tubes...
  • Page 82 Screws The screws used in the computer are not interchangeable. If an incorrect screw is used during the reassembly process, it can damage the unit. Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
  • Page 83 Compaq.com Compaq Presario Maintenance and Service Guide - 305 separately, and may only be obtained by ordering the entire base assembly. This Maintenance and Service Guide contains no removal and replacement procedures for these components. As each subassembly is removed from the computer, it...
  • Page 84 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 COMPAQ Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments...
  • Page 85 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Display panel cable location Inverter cable location Audio cable location Touchpad cable location Fan cable location Light board cable location Speaker cable location Battery cable location Plastic Parts Plastic parts can be damaged by the use of excessive force during disassembly and reassembly.
  • Page 86 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 87 Compaq.com Compaq Presario Maintenance and Service Guide - 305 button Switch Cover release the Display Panel expansion unit from Deck Voltage computer. Converter 4. Lift the Board back end Modem of the Connector computer Board disconnect PC Card it from the...
  • Page 88 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 89 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Keyboard Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/battre1.html (2 of 2)6/27/2004 2:16:48 AM...

  • Page 90: Removing The Hard Drive

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  • Page 91 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/hdrem1.html (2 of 2)6/27/2004 2:16:49 AM...

  • Page 92: Removing The Modem Card

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  • Page 93 Compaq.com Compaq Presario Maintenance and Service Guide - 305 modem Switch Cover cover Display Panel and turn the cover Deck back to Voltage remove 3. Converter Board Next Step Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...d%20ok/NOTEBOOKS/PRESARIO%20305/mcomcd1.html (2 of 2)6/27/2004 2:16:50 AM...

  • Page 94: Removing The Rtc Battery

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  • Page 95 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Memory Board indention. Switch Cover 4. Remove Display Panel the RTC Deck battery from the Voltage base Converter enclosure. Board Modem Connector Disconnect Board the RTC battery PC Card cable from...

  • Page 96: Removing The Keyboard

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  • Page 97 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Keyboard Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...ed%20ok/NOTEBOOKS/PRESARIO%20305/keybrm1.html (2 of 2)6/27/2004 2:16:51 AM...

  • Page 98: Removing The Memory Board

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  • Page 99 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Deck CAUTION: Electrostatic Voltage discharge Converter (ESD) can Board damage electronic Modem components. Connector Before Board beginning this PC Card procedure, ensure that PC Card you are Assembly properly System Board grounded.
  • Page 100 Compaq.com Compaq Presario Maintenance and Service Guide - 305 expansion board tilts upward. 2. Lift the edge of the memory expansion board and slide it gently out of the memory expansion slot at a 45-degree angle 3. If applicable, turn back the memory insulator.

  • Page 101: Removing The Switch Cover

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  • Page 102 Compaq.com Compaq Presario Maintenance and Service Guide - 305 two screws (t8) Deck from the back Voltage panel of the Converter computer that Board secure the switch cover to Modem the base Connector assembly. Board PC Card Next Step PC Card...

  • Page 103: Removing The Display Panel

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  • Page 104 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/disprm1.html (2 of 2)6/27/2004 2:16:54 AM...

  • Page 105: Removing The Deck

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 106 Compaq.com Compaq Presario Maintenance and Service Guide - 305 the back of the unit Voltage that secure the top Converter cover to the base Board assembly (as shown). Modem Connector Next Step Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ...
  • Page 107 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 108 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Keyboard Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/voltcon1.html (2 of 2)6/27/2004 2:16:55 AM...
  • Page 109 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 110 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Memory Board display. Switch Cover Display Panel Remove Deck deck. Voltage Converter 6. Remove two screws Board from the Modem modem Connector connector Board board. PC Card 7. Lift up PC Card...
  • Page 111 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 112 Compaq.com Compaq Presario Maintenance and Service Guide - 305 the computer is Voltage on, you must Converter shut it down Board before removing some PC Cards. Modem Refer to the PC Connector Card Board documentation for removal PC Card requirements.

  • Page 113: Removing The Pc Card Assembly

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 114 Compaq.com Compaq Presario Maintenance and Service Guide - 305 front of the PC Display Panel card assembly to Deck the base assembly. Voltage Converter 9. Lift up on the Board left side of the Modem PC card Connector assembly to...

  • Page 115: Removing The System Board

    Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 116 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Deck Remove the Voltage switch cover. Converter Board Remove the display. Modem Connector Remove the Board deck. PC Card PC Card Remove the Assembly modem System Board connector board. Remove the PC card assembly.
  • Page 117 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 118 Compaq.com Compaq Presario Maintenance and Service Guide - 305 0A2h-0BFh Unused 0C0h-0DFh DMA Controller no. 2 0E0h-0EFh Unused 0F0h-0F1 Coprocessor Busy Clear/Reset 0F2h-0FF Unused 100h-16F Unused 170h-177 Secondary Fixed Disk Controller 178h-1EF Unused 1F0h-1F7 Primary Fixed Disk Controller 1F8h-200 Unused...
  • Page 119 Compaq.com Compaq Presario Maintenance and Service Guide - 305 160K 000C8000h- Unused 000E7FFFh 000E8000h- System BIOS 000FFFFFh 00100000h- Extended Memory 00FFFFFFh 00100000h- Super Extended Memory 047FFFFFh 04800000h- Unused 07FFFFFFh 08000000h- Video Memory (Direct Access) 080FFFFFh 08200000h- Unused FFFEFFFFh FFFF0000h- System BIOS FFFFFFFFh 11.3-Inch Color TFT Display...
  • Page 120 Compaq.com Compaq Presario Maintenance and Service Guide - 305 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario 305 Model MSG Index Home Page Notice Preface...
  • Page 121 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Energy 14.4 V Voltage 2.8 Ah Amp-hour capacity 27 Wh Watt-hour capacity Temperature 41 to 95°F/5 to 35 °C Operating -22 to 140°F/-30 to Non-operating 60 °C Hard Drive 4.3 GB Formatted Capacity per Drive (GB) 4.3 GB...
  • Page 122 Compaq.com Compaq Presario Maintenance and Service Guide - 305 Disc 12 cm, 8 cm Diameter Disc 1.2 mm Thickness Track Pitch 1.6 um Capacity Mode 1, 12 550 MB Mode 2, 12 cm 640 MB 8 cm 180 MB Laser Beam Divergence 53.5 ±...
  • Page 123 Compaq.com Compaq Presario Maintenance and Service Guide - 305 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%20305/spec3.html (4 of 4)6/27/2004 2:17:02 AM...

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