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Compaq.com - Compaq Discovery 1900 Series Maintenance and Service Guide - Models: 1905, 1910, 1915, and 1920
United States
COMPAQ
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
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
Welcome to the Maintenance & Service Guide (MSG). This online guide is designed to
serve the needs of those whose job it is to repair Compaq products. Many of the
components of the hardcopy MSG are contained in this online guide. The Notice,
contains the copyright and trademark information. The Preface shows symbol
conventions, Technician Notes and Serial Number locations on the unit.
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Port
Replicator
Components
Power
Management
This MSG will be periodically maintained and updated online as needed.
For content comments or questions, contact the
Editor.
To report a technical problem, contact your Regional Support Center or IM Help
Center.
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United States
COMPAQ
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
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
Notice
The information in this guide is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL
ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
This guide contains information protected by copyright. No part of this guide may be photocopied or
reproduced in any form without prior written consent from Compaq Computer Corporation.
Ó 1998 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
Compaq, Presario Registered U. S. Patent and Trademark Office.
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation.
Windows 98 is a trademark of Microsoft Corporation.
The software described in this guide is furnished under a license agreement or nondisclosure agreement.
The software may be used or copied only in accordance with the terms of the agreement.
Product names mentioned herein may be trademarks and/or registered trademarks of their respective
companies.
Maintenance and Service Guide
Compaq Presario 1900 Series Portable Computers
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
First Edition (Oct. 1998)
Compaq Computer Corporation
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1815, 1820, and 1825
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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
Preface
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the
Compaq Presario 1900 Series Portable Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1900 Series Portable
Computers without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
WARNING: Text set off in this manner indicates that failure to follow directions in the warning could result in bodily
harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or
loss of data.
IMPORTANT:
NOTE:
Text set off in this manner presents clarifying information or specific
instructions.
Text set off in this manner presents commentary, sidelights, or interesting points of
information.
Technician Notes
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1815, 1820, and 1825
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. Because of the complexity of the individual boards
and subassemblies, the user should not attempt to make repairs at the component level or to make modifications to any
printed circuit board. Improper repairs can create a safety hazard. Any indications of component replacement or printed
circuit board modifications may void any warranty
Serial Number
When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The
serial number is located on the bottom of the computer.
Locating Additional Information
The following documentation is available to support this product:
●
●
●
●
●
●
Compaq Presario 1900 Series Portable Computer documentation set
Introducing Windows 98 Guide
Service Training Guides
Compaq Service Advisories and Bulletins
Compaq QuickFind
Compaq Service Quick Reference Guide
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United States
June 27, 2004
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COMPAQ
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
Product Description
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Compaq
Presario
1900 Series
Portable
Computers
are a new
generation
of
multimedia
portable
computers
with an
ultimate thin
and lightweight
design,
outstanding
audio and
video,
advanced
core
features,
and
attractive
styling.
The
Removable
Drive Wedge
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Port
Replicator
Connectors
Port
Replicator
Components
Power
Management
provides
multimedia
expansion
capability
with a DVD
or CD-ROM
Drive and a
Diskette
Drive or LS120 Drive
integrated
into one
removable
component.
Compaq
Presario
1900 Series
Portable
Computers
also have an
optional
integrated
10/100BaseT
Ethernet
Port
Replicator
allowing the
user to
quickly and
easily attach
or detach
the
computer
from
peripheral
devices. It
contains a
full array of
ports, some
which are
accessible
while the
system is
docked to
the Port
Replicator.
This full-
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
function
Intel Celeron
and Pentium
II - based
portable
computer
provides full
desktop
functionality.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
United States
COMPAQ
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
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
Troubleshooting
Preliminary Steps
Clearing the PowerOn Password
Power-On Self Test
(POST)
Compaq Diagnostics
Diagnostic Error
Codes
Troubleshooting
Without Diagnostics
Solving Minor
Problems
Contacting Compaq
Support
This section covers troubleshooting information for the Compaq
Presario 1900 Series Portable Computers. The basic steps in
troubleshooting include:
1. Follow the Preliminary Steps .
2. Run the Power-On Self-Test
(POST).
3. Follow the recommended
actions described in the
diagnostic tables, if you are
unable to run POST or if POST
displays an error message.
When following the recommended
actions in the Sections on POST and
Diagnostic Error Codes perform them
in the order listed. Rerun POST after
each recommended action until the
problem is solved and no error
message occurs. Once the problem is
solved, do not complete the remaining
recommended actions.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
If the problem is
intermittent, check the
NOTE: computer several times to
verify that the problem is
solved.
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United States
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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 Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
This
section
provides
an
illustrated
parts
breakdown
and a
reference
for spare
parts for
the
Presario
1900
Series
Portable
Computer.
The
computer
(1) serial
number
should be
provided to
Compaq
whenever
requesting
information
or ordering
spare
parts. The
serial
number is
located on
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bottom of
unit.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
United States
COMPAQ
June 27, 2004
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SEARCH
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
Removal and Replacement Procedures
This section explains the removal and replacement procedures for the computer.
Serial Number
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Report the
computer
serial
number to
Compaq
when
requesting
information
or ordering
spare
parts. The
serial
number is
located on
bottom of
unit.
Modem
Heatspreader
Processor
Display Panel
Assembly
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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United States
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COMPAQ
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
Specifications
This chapter covers the following specifications of Compaq Presario 1900 Series Portable
Computers:
●
Physical and Environmental
●
System Interrupts
●
System DMA
●
System I/O Addresses
●
System Memory Catalog
●
Display
●
Diskette Drive or LS-120 Drive
●
Hard Drive
●
CD ROM or DVD Drive
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COMPAQ
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
Connector Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1900 Series 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 (*).
Parallel Connector
Pin
Signal
Pin
Signal
1
Strobe*
10
Acknowledge*
2
Data Bit 0
11
Busy
3
Data Bit 1
12
Paper Out
4
Data Bit 2
13
Select
5
Data Bit 3
14
Auto Linefeed*
6
Data Bit 4
15
Error*
7
Data Bit 5
16
Initialize Printer*
8
Data Bit 6
17
Select In*
9
Data Bit 7
18-25
Signal Ground
* = Active low
Serial Connector
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Connector
Pin
Signal
1
Carrier Detect
2
Receive Data
3
Transmit Data
4
Data Terminal Ready
5
Signal Ground
6
Data Set Ready
7
Ready to Send
8
Clear to Send
9
Ring Indicator
Keyboard/Mouse Connector
Connector
Pin
Signal
1
Data
2
Not defined
3
Ground
4
+5 VDC
5
Clock
6
Not defined
External VGA Monitor Connector
Connector
Pin
Signal
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1
Red Analog
2
Green Analog
3
Blue Analog
4
Not connected
5
Ground
6
Ground Analog
7
Ground Analog
8
Ground Analog
9
Not connected
10
Ground
11
Monitor Detect
12
DDC2B Data
13
Horizontal Sync
14
Vertical Sync
15
DDC2B Clock
Universal Serial Bus Connector
Connector
Pin
Signal
1 Ground
2 D+
3 D4 Power
Modem Connector
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Connector
Pin
Signal
1
Unused
2
Unused
3
Tip
4
Ring
5
Unused
6
Unused
This information was not available at time of publication.
Port Replicator Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
This information was not available at time of publication.
LAN Connector
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Battery
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Maintenance & Service Guide
Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Battery Pack Operating Time
This section covers the following information concerning battery pack operating time:
●
Increasing battery pack operating time
●
Conditioning a battery pack
●
Disposing of a used battery pack
Increasing Battery Pack Operating Time
Battery pack operating time differs depending on several variables. To avoid unnecessary replacement, consider the following variables when
determining how long a charged battery pack should last:
●
Power management settings
●
Hardware configuration
●
Software applications
●
Installed options
●
Display brightness
●
Hard drive usage
●
Changes in operating temperature
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Battery
●
Type and number of installed PC Cards
NOTE:
The power consumption requirements for PC Cards vary widely. Some cards drain the battery pack very
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.
Minimizing the Energy Required
To minimize the energy required by the computer, follow these steps:
●
●
Set the power conservation levels in the Power Management utility to Maximum .
Customize the timeout value to work more efficiently with the applications. The amount of battery life depends on the values
selected.
Maximizing the Energy Stored
To maximize the energy stored in the battery pack, follow these guidelines:
●
Condition the battery pack at least every 30 days to improve overall battery performance.
●
Keep a battery pack in the computer when using it with AC power to supply the battery pack with a constant trickle charge.
●
Store the battery pack in a cool, dry place when not in use.
Conditioning a Battery Pack
CAUTION:
To avoid a loss of data, ensure that all data is saved before discharging a battery pack.
To condition a battery pack, complete the following steps:
1. Plug in the AC adapter and allow the battery to charge until the fast charge arrow on the display disappears. Your battery gauge may
read 100 percent for a period of time before the arrow disappears. Do not unplug the AC adapter until the arrow disappears.
2. Unplug the AC adapter and allow the battery to drain until the computer reaches hibernation and turns itself off.
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Battery
CAUTION: Do not plug the AC adapter during this process or you will need to restart with step number
1. You may use the computer while the battery is draining.
3. Your battery is re-conditioned.
4. Plug in the AC adapter and begin using the computer.
The table below shows battery pack charge times by model.
Battery Charge Time
Computer
On Line
Off Line
Li ion Battery Pack
4.5 hours premature termination
2:50 hr
Disposing 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. Battery packs should be handled in accordance with country, state, province, or local regulations.
CAUTION: Never attempt to open or service a battery pack. Opening a battery pack not only damages
the pack and makes it unusable, but also expose potentially harmful battery components.
Back to Top of Page
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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
Models and Features
Models and
Features
Compaq Discovery 1900 Series Portable Computer Models
Model
1905
Model
1906
Display
12. 1" TFT
12. 1" TFT
Status Panel
Processor
Left Side
Components
Intel Celeron/266-MHz
w/128K Cache
Intel Celeron/266-MHz
w/128K Cache
Hard Drive
4.0-GB
4.0-GB
Modem
56.0 Kbps PCI Data/Fax
56.0 Kbps PCI Data/Fax
CD Drive
24X CD-ROM
24X CD-ROM
Model
1910
Model
1915
Display
12.1" TFT or 13. 3" TFT
12. 1" TFT or 13.3" TFT
Processor
Intel Celeron/300-MHz
w/128K Cache or
PII/300-MHz w/512
Cache
Pentium II/266-MHz
w/512K or 256K Cache
or PII/300-MHz w/512
Cache
Hard Drive
6.4-GB or 4.8-GB
4.0-GB
Modem
56.0 Kbps PCI Data/Fax
or 56.0 Kbps PCI Data/
Fax I
56.0 Kbps PCI Data/Fax
or
56.0 Kbps PCI Data/Fax
(International)
Controls and
Lights
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
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Port
Replicator
Connectors
Port
Replicator
Components
Power
Management
DVD or CD Drive
24X CD Drive or 4X DVD
DVD or 24X CD Drive
Model
1919
Model
1920
Display
13. 3" TFT
13. 3" TFT
Processor
Intel Celeron/300-MHz
w/128K Cache
Pentium II/300-MHz
w/256K Cache
Hard Drive
6.4-GB
4.0-GB or 6.4-GB
Modem
K-56.0 Kbps PCI Data/
Fax
56.0 Kbps PCI Data/Fax
or
56.0 Kbps PCI Data/Fax
(International)
DVD Drive
DVD Drive
DVD Drive
Next Page
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COMPAQ
Maintenance & Service Guide
Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Controls and Lights
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
Port
Replicator
Components
Front of Unit
1. Display
9.
TouchPad
2.
Backlight
Switch
Button
10. Left
TouchPad
Button
3.Instant
Internet
Access
Button
11. Power
(On/Off)
Light
4.Instant
Search
Button
12. Scroll
(Up/
Down)
Button
5. Power
(On/Off)
Button
13.
Battery
Charge
Light
6. Instant
ECommerce
(or
Favorite
Website)
Button
14.
Display
Panel
Release
Button
7. Instant
E-Mail
Button
15. Right
TouchPad
Button
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Power
Management
8.
Keyboard
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16.
Integrated
Speakers
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Maintenance & Service Guide
Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Status Panel Lights
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Status
Panel
Lights
1. AC
Adapter
Light
2. Num
Lock
Light
3. Caps
Lock
Light
4. Scroll
Lock
Light
Right Side
Wedge
Components
Rear
Connectors
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Port
Replicator
Connectors
Port
Replicator
Components
Power
Management
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COMPAQ
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
Left Side Components
Models and
Features
Left Side
Components
Controls and
Lights
1. Security
Lock
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
2. Air Vent
3. PC Card
Slots
4. PC Card
Eject Levers
5. Hard Drive
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
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Management
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COMPAQ
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
Right Side Components
Models and
Features
Right Side
Components
Controls and
Lights
1. Battery
Compartment
Status Panel
2. Volume Up/
Down Button
Left Side
Components
3. Headphone
Jack
Right Side
Components
4.
Microphone
Jack
Bottom of
Unit
5. Air Vent
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
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Management
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COMPAQ
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
Bottom of Unit
Models and
Features
Bottom
of Unit
Controls and
Lights
1. Wedge
Interface
Connector
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
2.
Keyboard
Eject
Switch
3. Battery
Release
Lever
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
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Management
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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
Left Side and Top Components of the Removable Drive Wedge
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Left Side
and Top
Components
of the
Removable
Drive Wedge
1. DVD
Drive or CD
ROM Drive
2. Wedge
Release
Button
3. System
to Wedge
Interface
Connector
4.
Alignment
Pins
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
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Management
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COMPAQ
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
Right Side Components of the Removable Drive Wedge
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Right Side
Components
of the
Removable
Drive
Wedge
1. Wedge
Release
Button
2. Diskette
Drive or LS120 Drive
Slot
3. Diskette
Drive or LS120 Drive
Eject Button
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
Power
Management
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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
Rear Connectors
Models and
Features
Rear
Connectors
Controls and
Lights
1. Modem
Jack
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
2. USB Port
3. Keyboard/
Mouse Port
4. Serial
Port
5. Parallel
Port
6. External
Monitor Port
7. AC
Adapter
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Replicator
Components
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Management
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Integrated 10/100BaseT Ethernet Port Replicator Connectors
Models and
Features
Controls and
Lights
Status Panel
Left Side
Components
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Integrated 10/100BaseT Ethernet
Port Replicator
Connectors
1. Keyboard/Mouse
2. AC Adapter
3. Serial Port
4. Parallel Port
5. External Monitor Port
6. Local Area Network (LAN)
7. Keyboard/Mouse
8. USB Port
9. MIDI/Game Pad/Joystick Port
10. Security Lock
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
Port
Replicator
Components
Power
Management
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Port Interface
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Pin Assignments | Battery Pack Operations
Integrated 10/100BaseT Ethernet Port Replicator Components
Models and
Features
Integrated
10/100BaseT
Ethernet Port
Replicator
Components
Controls and
Lights
1. Port
Replicator
Interface
Connector
Status Panel
Left Side
Components
Right Side
Components
2. Port
Replicator
Release Button
Bottom of
Unit
Left Side
and Top
Wedge
Components
CAUTION: The computer power switch should be
turned off before you connect or disconnect the port
replicator. Damage may occur to the computer if it is
"hot" plugged to the port replicator.
3. Keyboard/
Mouse
Connector
Right Side
Wedge
Components
Rear
Connectors
Port
Replicator
Connectors
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Port Interface
Port
Replicator
Components
Power
Management
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Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Models and
Features
Power Management
Controls and
Lights
Compaq Presario 1900 Series Portable Computers are equipped with Advanced Power Management (APM). This
management system allows you to conserve battery power and customize the power saving settings to suit your
individual needs.
Status Panel
Left Side
Components
●
●
Right Side
Components
●
Bottom of
Unit
●
Left Side
and Top
Wedge
Components
Right Side
Wedge
Components
Rear
Connectors
●
Power Management Settings
Sleep
Hibernation
Rebooting After a Lockup
Servicing Your Computer - Full Off Mode
Power Management Settings
Depending on your patterns of computer use, you can set different conditions, or Power Schemes, under which the
computer will go into Sleep mode. The optional settings are Home/Office Desk , Portable/Laptop , and Always
On .
From the default settings, you can change the following settings.
●
●
●
When the computer goes into Sleep (Standby) mode
When the screen times out and goes blank
When the hard drive slows down
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Port
Replicator
Connectors
Port
Replicator
Components
NOTE:
The setting for the hard drive must be less than or equal to the setting for the
computer.
IMPORTANT:
Power
Management
If you are connected to a network, Compaq recommends you set System Standby to
Never .
Sleep
Sleep mode is a low power mode, also referred to as Standby mode.
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 .
Hibernation Mode
Hibernation mode occurs by pressing the Power button once. Your computer saves the content of your computer
memory to the hard drive. This is followed by the computer turning off.
The following table shows the conditions and indicators for getting in and out of the various power modes: Sleep,
Hibernation, and Off.
Mode
To Start
To End
Indicators
Sleep
Manual - Fn+F4
key combination
Press any key or
move the mouse
Flashing Power LED
Time-Out Default 15 minutes. If using
battery power, system will
not go to Sleep if on AC
power
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Hibernate
Manual - Press Power
Button once
Press Power
button once
No Power LED, blank
screen
Press Power
button once
No Power LED, blank
screen
Time Out Default - if low
battery or after 1 hour of
Sleep (system will not
Hibernate if on AC power)
Off
Perform normal Windows
shutdown using the Start
button, or press and hold
down the Power button
for 4 seconds
Rebooting After a Lockup
Occasionally you may encounter a non-working keyboard or a locked screen. To restart your computer, press and
hold down the Power button for at least four seconds. This will cause a manual shutdown. Press the Power
button once to start the computer.
If the computer still does not restart, follow these steps:
1. Press the Power button and hold it for four seconds to shut the computer down.
2. Remove the battery and unplug the AC power for at least 30 seconds.
3. Reinsert the battery or reconnect AC power and press the Power button once to restart.
Full Off (Main Power Off) Mode
If you need to install or replace components in your computer, you must turn the computer off completely . Follow
the instructions above for putting the computer into Standard Off mode. Unplug the computer electrical cord from
the outlet and remove the battery if installed.
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© 2004 Hewlett-Packard Development Company, L.P.
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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
Preliminary Steps
Before running POST, complete the following preliminary steps:
1. If a power-on password has been established, type the password and press the
Enter key. If the password is not known, clear the password.
2. Run Compaq diagnostics.
3. Turn off the computer and its external devices.
4. Disconnect any external devices that you do not want to test. Do not disconnect the
printer if you want to test it or use it to log error messages.
If the problem only occurs when an external device is connected to the
computer, the problem may be related to the external device or its cable.
IMPORTANT:
Verify this by running POST with and without the external device
connected.
5. Install loopback plugs in the serial and parallel connectors if you would like to test
these ports.
6. Ensure the hard drive is installed in the computer.
7. Ensure that the battery pack is inserted in the computer and the computer is
connected to an external AC power source.
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When the preliminary steps are completed, you are ready to run POST .
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Maintenance & Service Guide
Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Clearing the Power-on Password
Clearing the power-on
password requires
removing all Setup
attributes that are
programmed in the CMOS.
If the password is not
known, clear it by
performing the following
steps:
1. Turn off the
computer.
2. Disconnect the
power cord.
3. Remove the battery
pack .
4. Remove the
keyboard.
5. Disconnect the
backlight cable from
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the connector on
the system board .
6. Using a conductive
piece of material
(piece of wire or
tool) simultaneously
make contact with
the two pads
located at R37 on
the system board or
remove the RTC
battery located
under the battery
charger board for 5
seconds. The
password, together
with other Setup
attributes, will be
cleared.
7. Reassemble the
computer.
8. Turn on the
computer to verify
that the power-on
password has been
cleared. If it has not
been cleared, repeat
Steps
1 through 7.
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Power-On Self Test (POST)
Running POST
To run POST, complete the following steps:
Turn off the computer, then turn on the computer.
If POST does not detect any errors, the computer will not beep. This indicates successful completion of POST test.
POST has run successfully and boots from the hard drive (or from a bootable diskette if one is installed in the diskette
drive).
If POST detects errors, the errors are indicated by screen and/or audible messages. Refer to "Power-On Self-Test
(POST) Codes" in the tables for a list of POST codes and their relevant descriptions.
NOTE:
If the system is not functioning well enough to run POST, or if the display is not functioning well enough to
show POST error messages, refer to the Troubleshooting tables.
Power-On Self-Test Messages
102-System Board Failure
Probable Cause
Recommended Action
DMA, timers, etc.
Replace the system board.
162-System Options Not Set
Probable Cause
Recommended Action
Configuration incorrect
Run Computer Setup.
CMOS reflects that an invalid
configuration has been set.
Run Computer Setup.
RAM failure
1. Replace the memory modules.
2. Replace the system board.
Memory test data error
1. Replace the memory modules.
2. Replace the system board.
XX000YZZ RAM failure
Replace the system board.
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XX000YZZ 201-Memory Error
Probable Cause
Recommended Action
301-Keyboard Error
Probable Cause
Recommended Action
Keyboard failure
1. Ensure the keys are not depressed during POST.
2. Reconnect the keyboard with the computer off.
3. Replace the keyboard.
304-Keyboard or System Unit Error
Probable Cause
Recommended Action
Keyboard or system board error
1. Replace the keyboard.
2. Replace the TouchPad or mouse.
3. Replace the system board.
601-Diskette Controller Error
Probable Cause
Recommended Action
Mismatch in drive type or failure in the diskette
controller
1. Run Computer Checkup (TEST).
2. Check and/or replace cables.
3. Replace the system board.
605-Diskette Drive Error
Probable Cause
Recommended Action
Mismatch in drive type
Run Computer Setup.
1780-Primary Hard Drive 0 Failure
Probable Cause
Recommended Action
Disk 0 failed to respond
1. Run Computer Checkup (TEST).
2. Replace the hard drive.
Hard drive format error
1. Run Computer Checkup (TEST).
2. Replace the hard drive.
1782-Hard Drive Controller
Probable Cause
Recommended Action
Hard drive controller failure
1. Run Computer Setup.
2. Replace the hard drive.
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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.
The Diagnostics menu includes the following utilities:
■
■
■
Computer Checkup (TEST)
View System Information (INSPECT)
Prepare Computer for a Compaq Service Call (RemotePaq)
If you have a difficult problem that seems unsolvable, run the Diagnostics utilities before
calling for support. Run Computer Checkup and select to save the device list to a file to print
or to save the log of errors. Run the View System Information (INSPECT) utility and select to
print or save that information. Have the files or the printed information available when you
call for support.
Computer Checkup (TEST)
Computer Checkup (TEST) determines whether the various computer components and
devices are recognized by the system and are functioning properly. You can display, print, or
save the information generated by Computer Checkup.
Follow these steps to run Computer Checkup:
1. Plug the computer into an external power source. (A low battery condition could
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interrupt the program.)
2. Turn on the external devices that you want to test. Connect the printer if you want to
print a log of error messages.
3. Insert the Compaq Diagnostics diskette in drive A.
4. Turn on or restart the computer. The computer starts from drive A, and the
Diagnostics Welcome screen appears.
5. Press Enter to continue. The Diagnostics menu appears.
6. Select Computer Checkup from the Diagnostics menu. A Test Option menu appears.
7. Select View the Device List from the Test Option menu. A list of the installed
Compaq devices appears.
8. If the list of installed devices is correct, select OK . The Test Option menu appears.
NOTE: If the list is incorrect, ensure that any new devices are installed properly.
9. Select one of the following from the Test Option menu:
■
■
■
Quick Check Diagnostics. Runs a quick, general test on each device
with a minimal number of prompts. If errors occur, they are displayed
when the testing is complete. You cannot print or save the error
messages.
Automatic Diagnostics. Runs unattended, maximum testing of each
device with minimal prompts. You can choose the amount of times to run
the tests, stop on errors, or print/save a log of errors.
Prompted Diagnostics. Allows maximum control over testing the
devices. You can choose attended or unattended testing, decide to stop
on errors, or choose to print/save a log of errors.
10. Follow the instructions on the screen as the devices are tested. When testing is
complete, the Test Option menu appears.
11. Exit the Test Option menu.
12. Exit the Diagnostics menu.
View System Information (INSPECT)
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The View System Information (INSPECT) utility provides information about the computer and
installed or connected devices. You can display, print, or save the information.
Follow these steps to run View System Information (INSPECT) from the Compaq Diagnostics
diskette:
1. Turn on the external devices that you want to test. Connect the printer if you want to
print the information.
2. Insert the Compaq Diagnostics diskette in drive A.
3. Turn on or restart the computer. The computer starts from drive A, and the
Diagnostics Welcome screen appears.
4. Press Enter to continue. The Diagnostics menu appears.
5. Select View System Information (INSPECT) from the Diagnostics menu.
6. Select the item you want to view from the following list:
System
Memory
ROM
Audio
Keyboard
Operating system
System ports
System files
System storage
Windows files
Graphics
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.
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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.
IMPORTANT:
Retest the system after completing each step. If the problem is resolved,
do not proceed with the remaining steps.
For the removal and replacement of a particular subassembly, see the section for
Removal and Replacement Procedures.
Select error codes by number or type:
101 through 114
Processor Test
200 through 215
Memory Test
300 through 304
Keyboard Test
401 through 403
Parallel Printer Test
600 through 699
Diskette Drive or LS-120 Test
1101
Serial Test
1701 through 1736
Hard Drive Test
501 through 516
Video Test
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2402 through 2456
2458 through 2480
3206
Audio Test
8601 through 8602
Touch Pad Pointing Device Test
3301 through 6623
CD/DVD Test
Processor Test Error Codes
Error
Code
Description
Recommended Action
101-xx
CPU test failed
Replace the processor and retest.
102-xx
Coprocessor or Weitek Error
1. Run the Configuration and
Diagnostics Utilities.
2. Replace the processor board and
retest.
103-xx
DMA page registers test failed
Replace the system board and retest.
104-xx
Interrupt controller master test
failed
105-xx
Port 61 error
106-xx
Keyboard controller self-test failed
107-xx
CMOS RAM test failed
108-xx
CMOS interrupt test failed
109-xx
CMOS clock test failed
110-xx
Programmable timer load data test
failed
113-xx
Protected mode test failed
114-01
Speaker test failed
1. Check system configuration.
2. Verify cable connections to speaker.
3. Replace the system board and retest.
Memory Test Error Codes
200 -xx
Memory machine ID test failed
202-xx
Memory system ROM checksum
failed
203-xx
Write/Read test failed
204-xx
Address test failed
211-xx
Random pattern test failed
214-xx
Noise test failed
215-xx
Random address test failed
1. Flash the system ROM and retest.
2. Replace the system board and retest.
1. Remove the memory module and
retest.
2. Install a new memory module and
retest.
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Keyboard Test Error Codes
300 -xx
Failed ID Test
301-xx
Failed Selftest/Interface Test
1. Check the keyboard connection. If
disconnected, turn off the computer
and connect the keyboard.
302-xx
Failed Individual Key Test
2. Replace the keyboard and retest.
304-xx
Failed Keyboard Repeat Test
3. Replace the system board and retest.
Parallel Printer Test Error Codes
401 -xx
Printer failed or not connected
402-xx
Failed Port Test
403-xx
Printer pattern test failed
1. Connect the printer.
2. Check power to the printer.
3. Install the loop-back connector and
retest.
4. Check port and IRQ configuration.
5. Replace the system board and retest.
Diskette Drive Test
600 -xx
Diskette ID drive types test
failed
601-xx
Diskette format failed
602-xx
Diskette read test failed
603-xx
Diskette write, read, compare test
failed
604-xx
Diskette random read test failed
605-xx
Diskette ID media failed
606-xx
Diskette speed test failed
609-xx
Diskette reset controller test failed
610-xx
Diskette change line test failed
697-xx
Diskette type error
698-xx
Diskette drive speed not within
limits
699-xx
Diskette drive/media ID error
1. Replace the diskette media and
retest.
2. Check and/or replace the diskette
power and signal cables and retest.
3. Replace the diskette drive and
retest.
4. Replace the system board and retest.
1. Replace media.
2. Run the Configuration and
Diagnostics Utilities.
Serial Test Error Codes
1101-xx
Serial port test failed
1. Check port configuration
2. Replace the system board and retest.
Hard Drive Test Error Codes
1701-xx
Hard drive format test failed
1. Run the Configuration and
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1702-xx
Hard drive read test failed
1703-xx
Hard drive write/read/compare
test failed
1704-xx
Hard drive random seek test failed
1705-xx
Hard drive controller test failed
1706-xx
Hard drive ready test failed
1707-xx
Hard drive recalibration test failed
1708-xx
Hard drive format bad track test
failed
1709-xx
Hard drive reset controller test
failed
1710-xx
Hard drive park head test failed
1715-xx
Hard drive head select test failed
1716-xx
Hard drive conditional format test
failed
1717-xx
Hard drive ECC* test failed
1719-xx
Hard drive power mode test failed
1724-xx
Network preparation test failed
1736-xx
Drive monitoring test failed
Diagnostics Utilities and verify drive
type.
2. Verify that all secondary drives have
secondary drive capability.
3. Replace the hard drive and retest.
4. Replace the system board and retest.
* ECC = Error Correction Code
Video Test Error Codes
501-xx
Video controller test failed
502-xx
Video memory test failed
503-xx
Video attribute test failed
504-xx
Video character set test failed
505-xx
Video 80 × 25 mode 9 × 14
character cell test failed
506-xx
Video 80 × 25 mode 8 × 8
character cell test failed
507-xx
Video 40 × 25 mode test failed
508-xx
Video 320 × 200 mode color set 0
test failed
509-xx
Video 320 × 200 mode color set 1
test failed
510-xx
Video 640 × 200 mode test failed
The following apply to error codes 501xx through 516-xx:
1. Disconnect external monitor and test
with internal LCD display.
2. Replace the display assembly and
retest.
3. Replace the system board and retest.
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511-xx
Video screen memory page test
failed
512-xx
Video gray scale test failed
514-xx
Video white screen test failed
516-xx
Video noise pattern test failed
2402 -xx
Video memory test failed
2403-xx
Video attribute test failed
2404-xx
Video character set test failed
2405-xx
Video 80 × 25 mode 9 × 14
character cell test failed
2406-xx
Video 80 × 25 mode 8 × 8
character cell test failed
2408-xx
Video 320 × 200 mode color set 0
test failed
2409-xx
Video 320 × 200 mode color set 1
test failed
2410-xx
Video 640 × 200 mode test failed
2411-xx
Video screen memory page test
failed
2412-xx
Video gray scale test failed
2414-xx
Video white screen test failed
2416-xx
Video noise pattern test failed
2418-xx
ECG/VGC memory test failed
2419-xx
ECG/VGC ROM checksum test
failed
2421-xx
ECG/VGC 640 × 200 graphics
mode test failed
2422-xx
ECG/VGC 640 × 350 16 color set
test failed
2423-xx
ECG/VGC 640 × 350 64 color set
test failed
2424-xx
ECG/VGC monochrome text mode
test failed
The following steps apply to error codes
2402-xx through 2456-xx:
1. Run the Configuration and
Diagnostics Utilities.
2. Replace the display assembly and
retest.
3. Replace the system board and retest.
1. Run the Configuration and
Diagnostics Utilities.
2. Disconnect external monitor and test
with internal LCD display.
3. Replace the display assembly and
retest.
4. Replace the system board and retest.
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2425-xx
ECG/VGC monochrome graphics
mode test failed
2431-xx
640 × 480 graphics test failure
2432-xx
320 × 200 graphics (256 color
mode) test failure
2448-xx
Advanced VGA Controller test
failed
2451-xx
132-column Advanced VGA test
failed
2456-xx
Advanced VGA 256 Color
test failed
2458 -xx
Advanced VGA BitBLT test
2468-xx
Advanced VGA DAC test
2477-xx
Advanced VGA data path test
2478-xx
Advanced VGA BitBLT test
2480-xx
Advanced VGA LineDraw test
The following step applies to error
codes 2458-xx through 2480-xx:
Replace the system board and retest.
Audio Test Error Codes
3206 -xx
Audio System Internal Error
Replace the system board and retest.
TouchPad/Pointing Device Interface Test Error Codes
8601 -xx
Mouse test failed
8602-xx
Interface test failed
1. Replace the TouchPad and retest.
2. Replace the system board and retest.
CD/DVD Drive Test Error Codes
3301 -xx
CD/DVD drive read test failed
3305-xx
CD/DVD drive seek test failed
1. Replace the CD/DVD and retest.
2. Verify that the speakers are
connected.
3. Verify that drivers are loaded and
properly installed.
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6600-xx
ID test failed
6605-xx
Read test failed
6608-xx
Controller test failed
6623-xx
Random read test failed
4. Replace the CD/DVD drive and
retest.
5. Replace the system board and retest.
Back to top
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Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some common hardware, memory, and
software problems. It also explains several types of common messages that may be displayed on the screen. The
following pages contain troubleshooting information on:
Audio
Memory
Battery/Battery gauge
PC Card
CD/DVD drive
Power
Diskette/Diskette drive
Printer
Display
Touch Pad
Hard drive
Keyboard/Numeric keypad
Hardware Installation
Since symptoms can appear to be similar, carefully match the symptoms of the computer malfunction against the
problem description in the Troubleshooting tables to avoid a misdiagnosis.
WARNING: To avoid a potential shock hazard during troubleshooting procedures, disconnect all
power sources before removing the keyboard cover or the display bezel.
Before Replacing Parts
Verify that cables are connected properly to the suspected defective parts.
■
■
■
■
■
Run Computer Setup after connecting external devices.
Verify that all required device drivers are installed.
Verify that all required changes have been made to the CONFIG.SYS file.
Verify that all required changes have been made to the AUTOEXEC.BAT file.
Verify that all printer drivers have been installed for each application.
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Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the problem appears related to a
software application, check the documentation provided with the software.
Solving Audio Problems
Some common audio problems and solutions are listed in the following table.
Solving Audio Problems
Problem
Probable Cause
Solution(s)
Computer does not beep after the PowerOn Self-Test (POST).
This is typical; it indicates successful
completion of the Power-On Self-Test
(POST).
No action is required.
Solving Battery Pack and Battery Gauge Problems
Some common causes and solutions for battery pack problems are listed in the following table. The "Solving Power
Problems" section in this chapter may also be applicable.
Solving Battery Pack and Battery Gauge Problems
Problem
Probable Cause
Solution(s)
Computer won't turn on when
battery pack is inserted and power
cord is unplugged.
Battery pack is discharged.
Connect the computer to an external
power source and charge the battery
pack.
Replace the battery pack with a fully
charged battery pack.
Check the battery connectors on the
system board to verify they are
evenly spaced and that they are not
bent or broken.
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Computer is beeping and battery LED Battery charge is low.
icon is blinking.
Immediately save any open file(s).
Then do any one of the following:
●
●
Connect the computer to an
external power source to
charge the battery pack.
Turn off the computer or
initiate Hibernation until you
can find another power source
or charge the battery pack.
Computer battery LED icon (front on
the unit) blinks to indicate low
battery condition, but computer does
not beep.
Volume is turned down too low.
Adjust the volume.
Battery LED icon doesn't light and
battery pack won't fast charge.
Battery pack is already charged.
No action is necessary.
Battery pack was exposed to
temperature extremes.
Allow time for the battery pack to
return to room temperature.
Battery pack is at end of its life.
Replace battery pack.
RTC battery is dead.
Replace the RTC battery.
You have to set the date and time
every time you turn on the
computer.
Battery charge does not last as
long as expected.
Battery is being exposed to high
temperatures or extremely cold
temperatures.
Keep the battery pack within the
recommended operating temperature
range 50° F to 104° F (10° C to 40°
C) or recommended storage range
-4° F to 86° F (-20° C to 30° C ).
Recharge the battery pack.
Battery has partially self-discharged.
Recharge the battery. Discharge the
battery completely and then
recharge it.
Power management is disabled.
Set a power management level in
Computer Setup.
An external device or PC Card is
draining the battery.
Turn off or disconnect external
devices when not using them.
Battery pack is warm to the touch
after charging.
Normal warming has occurred due to
charging.
No action is required.
Battery pack operating time is far
less than the documented
average operating time.
Power management is turned off or
disabled.
Enable power management in
Computer Setup and in Windows
Power Properties.
An external device or PC Card is
draining the battery.
Turn off or disconnect external
devices when not using them.
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Battery pack has partially selfdischarged.
Condition the battery pack by fully
charging, fully discharging, then fully
recharging it.
To maintain the charge, leave
battery packs in the computer when
it is connected to external power.
If the computer is disconnected from
external power for more than two
weeks, remove battery packs from
the computer to reduce the
discharge rate.
Battery pack is being exposed to
high temperatures or extremely cold
temperatures.
Keep the battery pack within the
recommended temperature ranges.
Operating: 50° F to 104° F
(10° C to 40° C)
Storage: -4° F to 86° F
(-20° C to 30° C )
Recharge the battery pack.
Solving CD/DVD Drive Problems
Some common causes and solutions for CD/DVD drive problems are listed in the following table.
Solving CD/DVD Drive Problems
Problem
Probable Cause
CD/DVD drive cannot read a compact Compact disc or digital versatile
disc or digital versatile disc.
disc is upside down or is
improperly inserted in the CD/DVD
drive.
CD is CD Plus or Pregap/Track 0
type.
Solution(s)
Open the CD/DVD loading tray, lay
the compact disc or digital versatile
disc in it (label side up), then close
the tray.
Cannot read these type CDs in 24x.
Remove the CD.
Solving Diskette and Diskette Drive Problems
Some common causes and solutions for diskette and diskette drive problems are listed in the following table.
Solving Diskette and Diskette Drive Problems
Problem
Probable Cause
Solution(s)
Diskette drive cannot write to a
diskette.
Diskette is write-protected.
Disable the diskette's write-protect
feature or use a diskette that is not
write-protected.
Computer is writing to the wrong
drive.
Check the drive letter in the path
statement.
Not enough space is left on the
diskette.
Use another diskette.
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Drive error has occurred.
Run Computer Checkup from the
Compaq Diagnostics diskette.
Diskette is not formatted.
Format the diskette. At the system
prompt, enter
FORMAT A:
Diskette drive cannot read a diskette.
The wrong type of diskette is being
used.
Use the type of diskette required by
the drive.
Diskette has a bad sector.
Copy files to hard drive or another
diskette. Reformat bad floppy.
Drive error has occurred.
Run Computer Checkup from the
Compaq Diagnostics diskette.
Diskette is not
formatted.
Format the diskette. At the system
prompt, enter
FORMAT A:
Cannot boot from diskette.
Bootable diskette is not in drive A.
Put the bootable diskette in drive A.
Diskette Boot has incorrect setting
in Computer Setup.
Run Computer Setup and set diskette
as first to boot.
Solving Display Problems
This section lists some common causes and solutions for computer display and external monitor problems.
You can perform a monitor self-test on an external VGA color or monochrome monitor by disconnecting the monitor
from the computer. To do so, complete the following steps:
1. Turn off the monitor.
2. Turn off the computer.
3. Disconnect the monitor signal cable from the computer.
4. Turn on the monitor and allow it to warm up for one minute.
The display should be white. A narrow black border may also appear on the left and right sides of the display. Either of
these displays indicates that the monitor is working properly.
Solving Display Problems
Problem
Probable Cause
Solution(s)
Screen is dim.
Control for brightness (if applicable)
is not set properly.
Adjust the Brightness of the display
by using Fn + F7 (¯ ) or
Fn + F8 (- ).
Computer screen is in direct light.
Tilt display or move computer.
Screen save was initiated by Power
Management due to lack of user
activity.
Press any key or touch the Touch
Pad.
Display has overheated.
If computer is in direct sunlight,
move it and allow it to cool off.
Screen is blank.
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Display is blank and the Suspend icon
is flashing.
System is in Suspend mode.
Press any key or touch the Touch
Pad.
Internal display is blank and the
screen on an external monitor displays
information.
Display function was switched to the
external monitor.
Use Fn + F2 to switch between LCD
or CRT.
Internal display flashes or has garbled
characters when computer is
connected to external monitor.
Using 1024 × 768 or higher
resolution on external monitor and
have toggled back to internal
display, which supports up to
800 × 600.
Restart the computer.
The light tubes on the edge of the
display panel do not light up at all
and Power-On Self-Test (POST)
completes when the unit is powered
up.**
Improper backlight or display
cable connections
Replace the display assembly.
Defective inverter board.
Replace the display assembly.
Defective display cable.
Replace the display assembly.
Defective display panel.
Replace the display assembly.
Defective system board.
Replace the system board.
The light tubes on the edge of the
display panel do not light up at all
and Power-On Self-Test (POST) does
not complete when the unit is
powered up.**
Defective system board.
Replace the system board.
Backlight (brightness) cannot be
adjusted with Fn + F7 (¯ ) or
Fn + F8 (- ).***
Improper display cable
connections.
1. Reseat the display cable to the
system board.
2. Replace the display assembly.
Defective inverter board.
Replace the display assembly.
Defective display cable.
Replace the display assembly.
Defective system board.
Replace the system board.
Defective inverter board.
Replace the display assembly.
Defective display cable.
Replace the display assembly.
Defective system board.
Replace the system board.
** This problem indicates that the backlight or its power circuitry has failed. Since you cannot observe the POST
result on the display panel when the backlight is not functioning, connect the unit to an external monitor before
powering the unit up. If an external monitor is not available, verify that POST completes by opening and closing
the display, listening for the single or double beep, and watching for the LEDs turn on at the front of the
computer.
This display panel has a continuous pattern
across it (e.g., a "jailbars" pattern), has a
single color on it, or has garbled graphics
across the entire panel. This failure is for
patterns across the entire panel (not just
on one section).
Improper display cable
connections
Reseat the display cable to the
following until the problem is solved:
1. System board
2. Display assembly
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Defective display cable.
Replace the display assembly.
Defective inverter board.
Replace the display assembly.
Defective system board.
Replace the system board.
To perform a "self-test" on an external VGA color monitor, complete the following steps: The screen
NOTE: should be white. A narrow black border may also appear on the left and right sides of the display. Either
of these displays indicates that the monitor is working properly.
Solving Hard Drive Problems
Some common causes and solutions for hard drive problems are listed in the following table.
CAUTION: To prevent loss of information, always maintain an up-to-date backup of your hard drive
at all times, in case of errors or failures.
Solving Hard Drive Problems
Problem
Probable Cause
Solution(s)
Reading hard drive takes an
unusually long time after restarting
the computer.
System entered Hibernation due to Give the system time to restore the
low battery condition and is now
previously saved data to its exact
exiting from it.
state before Hibernation.
Hard drive error occurs.
Hard drive has bad sectors or has
failed.
Run Computer Checkup.
Hard drive does not work.
Hard drive is not seated properly.
Turn off and unplug the computer,
remove the battery pack, and
remove and then reinstall the hard
drive.
Solving Hardware Installation Problems
Some common causes and solutions for hardware installation problems are listed in the following table.
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Solving Hardware Installation Problems
Problem
Probable Cause
Solutions(s)
A new device is not recognized as part
of the computer system.
Cable(s) of new external device are
loose or power cables are
unplugged.
Ensure that all cables are properly
and securely connected.
Power switch of new external device Turn off the computer, turn on the
is not turned on.
external device, then turn on the
computer to integrate the device
with the computer system.
Device is not seated properly.
Turn off the computer and reinsert
the device.
Solving Keyboard/Numeric Keypad Problems
Some common causes and solutions for keyboard/numeric keypad problems are listed in the following table.
Solving Keyboard/Numeric Keypad Problems
Problem
Probable Cause
Solution(s)
Embedded numeric keypad on computer
keyboard is disabled.
Num Lock function is not enabled.
Press the Shift + NumLk keys to
enable the Num Lock function and
embedded numeric keypad. The
Num Lock icon on the status panel
turns on.
Embedded numeric keypad is disabled and
Num Lock function is on.
External numeric keypad is
connected to the computer.
Disconnect the external numeric
keypad from the computer.
Solving Memory Problems
Some common causes and solutions for memory problems are listed in the following table.
Solving Memory Problems
Problem
Probable Cause
Solution(s)
Memory count during Power-On Self-Test
(POST) is incorrect.
Optional memory expansion card
is installed incorrectly,
is incompatible with the computer,
or is defective.
Ensure that the optional memory
expansion card is installed
correctly.
"Out of Memory" message is displayed on
the screen or insufficient memory
error occurs during operation.
System ran out of memory for the
application.
Check the application
documentation for memory
requirements.
Install additional memory.
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Too many TSR (terminate-and
stay-resident) applications are
running.
Remove from memory any TSR
applications that you do not need.
Solving Minor Problems (continued)
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Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
Contacting Compaq Support
Obtain the following information before contacting Compaq Reseller Support:
●
●
●
●
●
●
●
●
●
●
Product name
Product serial number
Purchase date
Conditions under which the problem occurred
Any error messages that have occurred
Hardware configuration
Type of printer connected
Hardware/software being used
Printed result of Computer Checkup (TEST)
Printed copies of CONFIG.SYS and AUTOEXEC.BAT files, if possible
Shipping Preparation
To ship the computer, complete the following steps:
1. Back up the critical hard drive files. Ensure that backup tapes/diskette are not
exposed to electrical or magnetic fields while stored in transit.
2. Turn off the computer and external devices.
3. Disconnect the external devices from their power sources, then from the computer.
IMPORTANT:
Ensure that there is no diskette in the diskette drive and that there are no
PC Cards in the PC slots.
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4. Close the display and all exterior doors of the computer.
5. Pack the computer with sufficient packing material to protect it. Use the original
packing box or similar packaging.
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Presario 1900 Series
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| Home Page | Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
Pin Assignments | Battery Pack Operations
System Unit
System Unit
Description
Spare
Part
Number
Boards
Display
Assembly
1. Keyboards
Mass Storage
Devices
2. Upper CPU Cover w/Palmrest and TouchPad
Miscellaneous
Hardware and
Plastics Kit
331423001 or
140678001
3. Speaker Assembly w/Cable
331420001
4. Battery Pack
386500001
140664001
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
U.S. 331419-001 or 140676-001
- Li ion
5. CPU Base Assembly Enclosure with System
Board and Speaker Assembly, (Bottom
Plastics)
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331414001
140671001
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CPU Base Assembly Enclosure with Shield,
(Bottom Plastics)
(Not Shown)
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331421001
140679001
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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
Boards
System Unit
Description
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
Spare
Part
Number
1. Processors
Pentium II/266-MHz w/512K Cache 400779-001
2. Hard Drive/Battery Charger
Board w/RTC Battery
331412001
3. Modem w/Shield, 56.0 Kbps
Data/Fax
331429001
4. Low Voltage Differential
Signal Board (For 13.3'
Display Panel)
331411001
5. Voltage Converter Board
331413001
6. PC Card Assembly
102123001
7. Fan Assembly
(Not Shown)
331410001
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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
Display Panel Assembly
System Unit
Description
Boards
Display Panel
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Spare Part
Number
Display Panel
Assembly w/Cable
13.3 inch TFT
331409-001 or
140666-001
Display Panel
Assembly w/Cable
and Connector,
12.1 inch TFT
331408-001 or
140665-001
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
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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
Mass Storage Devices
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Description
Spare
Part
Number
1. Diskette
Drive w/
cable 1.44
MB, 3.5 inch
1905,
1906,
1910,
1915,
1919 &
1920
331428001
2. LS-120
Drive
1922 &
1925
TDB
3. Hard Drive 1905,
1906,
1910,
4.8-GB
1915,
1919,
6.4-GB
& 1920
Miscellaneous
Parts
Documentation
and Software
Model
No.
4.0-GB
6.4-GB
10-GB
1905,
1906,
1910,
1915,
1919,
& 1920
1922 &
1925
1922 &
1925
1922 &
1925
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331415001
331416001
140672001
140673001
140674001
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DVD Drive w/
Interface
Connector
1905,
1906,
1910,
1915,
1919,
& 1920
331427001
140682-002
1922 &
1925
24X CD Drive
w/cable
1905,
1906,
1910,
1915,
1919,
& 1920
1922 &
1925
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102122001
TBD
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Miscellaneous Hardware and Plastics Kit
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
Miscellaneous Hardware and Plastics Kit
Spare Part Number: 331418-001 (Models:
1905, 1906, 1910, 1915, 1919, & 1920
Spare Part Number: 140675-001
(Models: 1922 & 1925)
Description
Quantity
1. Display Panel Assembly Hinge Cover, Left
1 each
2. Display Panel Assembly Hinge Cover,
Right
1 each
3. CD/DVD Guide Rails
1 each
4. PC Card Placeholder
1 each
5. Display Panel Assembly Hinge Frame
(Left and Right)
1 each
6. Heatspreader with Thermal Pad
2 each
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12.1 inch FPC Support Bracket
(Not Shown)
1 each
Keyboard Eject Latch (Not Shown)
1 each
TouchPad Switch (Not Shown)
1 each
Scroll Button Switch (Not Shown)
1 each
Battery Eject Latch (Not Shown)
1 each
Display Screw Hole Covers
(Not Shown)
4 each
Battery Knob Spring Coil (Not Shown)
2 each
Volume Switch Knob (Not Shown)
1 each
Display Eject Latch (Not Shown)
1 each
RJ11 Jack Assembly (Not Shown)
1 each
Rubber Feet (Not Shown)
2 each
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Presario 1900 Series
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Pin Assignments | Battery Pack Operations
Miscellaneous Hardware and Plastics Wedge Kit
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
Miscellaneous Hardware and Plastics
Wedge Kit
Spare Part Number: 331424-001 (Models:
1905, 1906, 1910, 1915, 1919, & 1920)
Spare Part Number: 140680-001
(Models: 1922 & 1925)
Description
Quantity
1. Diskette Drive Shield
1 each
2. Alignment Pins (Left and Right)
2 each
3. DVD Drive Shield
1 each
4. Eject Mechanism Assembly w/Springs
(Left and Right)
2 each
5. Rubber Feet
4 each
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6. Wedge to Port Replicator Interface
Board
1 each
7. Reinforcement Bracket
1 each
Top and Bottom Wedge Cover
(Not Shown)
331425001
System to Wedge Interface Board
1 each
Eject Plunger Knobs (Not Shown)
2 each
Plunger Spring Coil (Not Shown)
2 each
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Pin Assignments | Battery Pack Operations
Miscellaneous Parts
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Cables
Miscellaneous
Hardware and
Plastics Kit
Description
Spare Part
Number
1. AC 45W Adapter 358976-001
2. Integrated
10/100BaseT
Ethernet Port
Replicator
331407-001 or
140663-001
Miscellaneous
Screw Kit
(Not Shown)
331422-001
Y Cable Assembly
(Not Shown)
102422-001
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
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Pin Assignments | Battery Pack Operations
Documentation and Software
System Unit
Description
Boards
Quick Restore CD 1
Spare Part Number
US/PR
Mexico
APD
PRC
Korea
AUS
Japan
UK
France
Italy
Belgium
122314001
122314161
122314371
122314AA1
122314AD1
122314371
122314291
122314031
122314051
122314061
122314AK1
Belgium
122314KK1
Display
Assembly
Mass Storage
Devices
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Hardware and
Plastics Wedge
Kit
Miscellaneous
Parts
Documentation
and Software
Quick Restore CD 2
Reference Guide
117894-001 US/PR
Quick Reference Guide
Not Available
QuickFind for Windows, North America, Latin America, Asia Pacific
Not Available
QuickFind for Windows, Europe, Middle East, Africa
Not Available
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●
QuickFind is updated monthly. To complete the QuickFind part number, add the suffix from the
table below for the desired month. If you do not specify the 3-digit suffix, the default is the
current month in which the order is placed.
QuickFind Part Number Suffix
Suffix
Month
Suffix
Month
-001
January
-007
July
-002
February
-008
August
-003
March
-009
September
-004
April
-010
October
-005
May
-011
November
-006
June
-012
December
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United States
June 27, 2004
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COMPAQ
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
Electrostatic Discharge
A sudden discharge of static electricity from a finger or other conductor can destroy staticsensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage
occurs. An electronic device exposed to electrostatic discharge (ESD) may not be affected at
all and will work perfectly throughout a normal cycle. Although, it may function normally for
a while, then degrade in the internal layers, reducing its life expectancy.
Networks built into many integrated circuits provide some protection, but in many cases, the
discharge contains enough power to alter device parameters or melt silicon junctions.
Generating Static
The table shows how different activities generate static electricity and at different
electrostatic voltage levels.
Typical Electrostatic Voltages
Relative Humidity
Event
10%
40%
55%
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
2,000 V
700 V
400 V
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Removing DIPS from vinyl trays
11,500 V
4,000 V
2,000 V
Removing DIPS from Styrofoam
14,500 V
5,000 V
3,500 V
Removing bubble pack from PCBs
26,000 V
20,000 V
7,000 V
Packing PCBs in foam-lined box
21,000 V
11,000 V
5,000 V
NOTE:
700 volts can degrade a product.
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United States
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Service Considerations
Listed below are some of the considerations that you should keep in mind during the
disassembly and assembly of the computer.
Tool and Software Requirements
To service the computer, you need the following:
●
●
●
●
●
5 millimeter nut drivers (for screwlocks and standoffs)
Small, Phillips (P-Zero) screwdriver
Small, standard screwdriver
Small, pair of tweezers
Diagnostics software
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.
IMPORTANT:
As each subassembly is removed from the computer, it should be placed
away from the work area to prevent damage.
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United States
June 27, 2004
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SEARCH
COMPAQ
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
Cables and Connectors
Most cables used throughout the unit are ribbon cables. Cables must be handled with extreme care to
prevent damage. Apply only the tension required to seat or unseat the cables during insertion or
removal from the connector. Handle cables by the connector whenever possible. In all cases, avoid
bending, twisting, or tearing the cables, and ensure that the cables are routed in such a way that they
cannot be caught or snagged by parts being removed or replaced.
Cables
Use the following precautions when handling cables to avoid damage to the cable or computer:
●
●
●
●
●
Always handle cables by their connectors.
Avoid bending, twisting, or pulling on the cables.
Apply minimum required force when seating or unseating the cables from their
connectors.
Place the cables in such a manner that they cannot be caught or snagged by parts
being removed or replaced.
Handle flex cables with extreme care; they can tear easily.
CAUTION: When serving these computers, ensure that cables are placed in their proper
location during the reassembly process. Improper cable placement can cause severe damage to
the unit.
Select the desired illustration.
Removing a cable from a ZIF Connector .
The cable position for the speaker assembly.
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Plastic Parts
Plastic parts can be damaged by the use of excessive force during disassembly and reassembly. When
handling the plastic parts, use care. Apply pressure only at the points designated in the maintenance
instructions.
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United States
June 27, 2004
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SEARCH
COMPAQ
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
Preparing the Computer for Disassembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Before beginning removal and replacement procedures, complete the following procedures:
1. Disconnect AC power and any external devices.
2. Remove the battery pack.
3. Remove any PC Cards.
4. Remove the wedge.
IMPORTANT: The battery pack should be removed before performing any internal maintenance on the computer.
Hard Drive
Keyboard
Memory Module
Processor
WARNING: Metal objects can damage the battery pack as well as the battery contacts in the battery
compartment. To prevent damage, do not allow metal objects to touch the battery contacts. Place only
the battery pack for the Compaq Presario 1900 Series Portable Computers into the battery compartment.
Do not force the battery pack into the bay if insertion does not occur easily.
Display Panel
Assembly
.
Modem
Heatspreader
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Upper CPU Cover
with Palmrest
and TouchPad
Do not crush, puncture, or incinerate the battery pack. Do not open a battery pack, as this
damages the pack, makes it unusable, and exposes potentially harmful battery components. There are no
field-serviceable parts located inside the battery pack.
CAUTION:
Hard Drive/
Battery Charger
Board
Converter Board
Low Voltage
Differential
Signal Board
Fan Assembly
The Compaq Presario 1900 Series Portable Computers have several screws of various sizes which are not
NOTE: interchangeable. Care must be taken during reassembly to ensure that the correct screws are used in their
correct location. During removal please keep respective screws with their associate sub-assembly.
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD Drive
System to Wedge
Interface Board
Diskette Drive
Wedge to Port
Replicator
Interface Board
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United States
June 27, 2004
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COMPAQ
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
Removing the Battery Pack
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
To remove the
battery pack,
complete the
following steps:
1. Prepare the
computer for
disassembly .
2. Turn the unit
over.
3. Slide the
battery pack
release button
located in the
center of the
bottom of the
unit.
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
4. Locate the
battery pack on
the right, place
your thumb in
the groove, and
pull the battery
pack forward
from the unit.
To replace the battery
pack, complete the
following step.
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Low Voltage
Differential
Signal Board
Fan Assembly
Insert the battery
pack into the chassis
slot located on the
right side of the unit
and push in.
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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United States
June 27, 2004
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SEARCH
COMPAQ
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
Removing the 4.0-GB, 4.8-GB, or 6.4-GB Hard Drive
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
To remove the hard
drive, complete the
following steps:
1. Prepare the
computer for
disassembly .
2. Turn the unit
over and
remove the
screw (located
in the right
corner) from the
hard drive.
3. Pull the hard
drive from the
chassis slot.
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
To replace the hard
drive, reverse the
previous procedures.
Hard Drive/
Battery
Charger Board
Converter
Board
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Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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June 27, 2004
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COMPAQ
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
Removing the Keyboard
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
To remove the
keyboard, complete
the following steps:
1. Prepare the
computer for
disassembly.
2. Partially close
the unit and
place it on its
side.
3. Slide the
keyboard eject
switch located
in the center of
the bottom of
the unit to the
right to release
the keyboard.
Next Step
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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June 27, 2004
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COMPAQ
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
Removing the Memory Module
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
To remove the
memory module,
complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Release and lift
up the
keyboard .
3. Pull side levers
to release the
memory
module, then
unplug the
memory
module from
the system
board.
To replace the
memory module,
reverse the previous
procedures.
Hard Drive/
Battery
Charger Board
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Converter
Board
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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June 27, 2004
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COMPAQ
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
Removing the Modem
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
To remove the
modem, complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Release and lift
up the
keyboard.
3. Remove two
screws securing
the modem and
pull the modem
off the
connector on
the system
board.
Next Step
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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June 27, 2004
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COMPAQ
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
Removing the Heatspreader with Thermal Pad
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU Cover
with Palmrest
and TouchPad
To remove the
heatspreader with
thermal pad,
complete the following
steps:
1. Prepare the
computer for
disassembly.
2. Release and lift
the keyboard.
3. Remove five
screws from the
heatspreader
with thermal
pad and lift out
of the chassis.
To replace the
heatspreader with
thermal pad, reverse
the previous
procedures.
Hard Drive/
Battery Charger
Board
Converter Board
Low Voltage
Differential
Signal Board
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Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD Drive
System to Wedge
Interface Board
When
replacing the
heatspreader,
ensure that
the thermal
NOTE:
pad under
the
heatspreader
is properly
replaced.
Diskette Drive
Wedge to Port
Replicator
Interface Board
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June 27, 2004
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SEARCH
COMPAQ
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
Removing the Processor
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
To remove the processor,
complete the following
steps:
1. Prepare the
computer for
disassembly.
2. Release and lift the
keyboard.
Battery Pack
Hard Drive
3. Remove the
heatspreader with
thermal pad.
Keyboard
Memory
Module
Modem
4. Remove two screws
that secure the
processor to the
system board.
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
The
bottom of
the
processor
contains
socket
IMPORTANT: pins
which can
be easily
damaged,
if not
properly
removed.
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Low Voltage
Differential
Signal Board
WARNING:
The Pentium II
processor may
be very hot
when the unit
has been
running. Allow
the processor
to cool before
handling it.
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
5. Insert a small blade
screw driver under
the right side of the
processor. Gently
lift up the left side
of the processor
while rocking up
and down the right
side, until the it
releases from the
socket. This is
necessary to
prevent damage to
the socket pins.
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
To replace the processor
complete the following
steps:
1. Align the processor
over the socket
using the screw
holes as a guide.
Apply equal
pressure on both
sides of the
processor over the
socket (left side).
2. Replace two
screws.
3. Replace the
heatspreader with
thermal pad.
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June 27, 2004
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COMPAQ
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
Removing the 12.1 or 13.3 inch Display Panel Assembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
To remove the 13.3"
display panel
assembly, refer to the
section for Removing
the 13.3 inch Display
Panel Assembly
To remove the 12.1"
display panel
assembly, complete
the following steps:
1. Prepare the
computer for
disassembly .
2. Remove the
keyboard.
3. Close the
display panel
assembly to
access the hinge
covers from the
rear of the unit,
using tweezers,
gently lift from
the bottom edge
of the hinge
covers. Lift the
hinge covers off
the unit.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Next Step
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Upper CPU Cover with Palmrest and TouchPad
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
To remove the Upper
CPU Cover with
Palmrest and
TouchPad, complete
the following steps:
1. Prepare the
computer for
disassembly.
2. Remove the
keyboard.
3. Remove the
Heatspreader.
4. Remove the
display assembly
with flex cables
attached.
5. Remove four
screws located at
the top of the
Upper CPU Cover
with Palmrest
and TouchPad.
6. Remove a fifth
screw located
just to the top
right of the fan.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
(Not shown).
Next Step
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Hard Drive/Battery Charger Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU Cover
with Palmrest
and TouchPad
Hard Drive/
Battery Charger
Board
Converter Board
Low Voltage
Differential
Signal Board
To remove the hard
drive/battery charger
board, complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Remove the
keyboard.
3. Remove the
heatspreader.
4. Remove the
display assembly
with flex cables
attached.
5. Remove the
Upper CPU
Cover with
Palmrest/
TouchPad/Fan.
6. Remove four
screws from the
hard drive/
battery charger
board located
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD Drive
front center
portion of the
chassis.
To replace the hard
drive/battery charger
board reverse the
previous procedures.
System to Wedge
Interface Board
Diskette Drive
Wedge to Port
Replicator
Interface Board
1.800.AT.COMPAQ
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Converter Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
To remove the
converter board,
complete the following
steps:
1. Prepare the
computer for
disassembly .
2. Remove the
keyboard .
Battery Pack
Hard Drive
Keyboard
3. Remove the
display panel
assembly .
Memory
Module
Modem
4. Remove the
Heatspreader
Upper CPU
cover with
Palmrest Cover
and TouchPad .
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
5. Remove the
hard drive .
6. Remove the
modem .
7. Pull and lift the
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converter board
from the system
Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
board connector
and remove
from the
chassis.
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
To replace the
converter board,
reverse the previous
procedures.
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Model: 1915
United States
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Low Voltage Differential Signal (LVDS) Interface Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
To remove the LVDS
Interface Board,
complete the following
steps:
1. Prepare the
computer for
disassembly.
2. Remove the
keyboard.
3. Remove the
heatspreader.
4. Remove the two
screws from the
LVDS Interface
Board and lift
from the chassis.
To replace the LVDS
Interface Board
reverse the previous
procedures.
Hard Drive/
Battery
Charger Board
Converter
Board
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Model: 1915
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Fan Assembly
Electrostatic
Discharge
Service
Considerations
To remove the fan
assembly, complete
the following steps:
Cables and
Connectors
1. Prepare the
computer for
disassembly.
Preparing the
Computer for
Disassembly
2. Remove the
keyboard.
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
3. Remove the
hard drive.
4. Remove the
display panel
assembly.
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
5. Remove the
Upper CPU
cover with
Palmrest Cover
and TouchPad.
6. Remove the
modem.
7. Remove the
system board.
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
8. Disconnect the
fan cable and
lift the fan
assembly from
the slot on the
system board.
To replace the fan
assembly, reverse the
previous procedures.
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
United States
COMPAQ
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
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
Removing the System Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
To remove the system board,
complete the following steps:
1. Prepare the computer for
disassembly.
2. Remove the keyboard.
3. Remove the display panel
assembly.
4. Remove the heatspreader.
Keyboard
Memory
Module
Modem
5. Remove the processor.
Next Step
Heatspreader
Processor
Display Panel
Assembly
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Speaker Assembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
To remove the
speaker assembly,
complete the following
steps:
1. Prepare the
computer for
disassembly.
2. Remove the
keyboard .
Battery Pack
Hard Drive
Keyboard
3. Remove the
display panel
assembly.
Memory
Module
Modem
4. Remove the
Upper CPU
cover with
Palmrest Cover
and TouchPad.
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
5. Remove two
Hard Drive/
Battery
Charger Board
Converter
Board
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screws from
the speaker
assembly,
disconnect the
speaker cables
from the
system board,
and lift out of
the unit.
Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
To replace the
speaker assembly,
reverse the previous
procedures.
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Disassembling the Removable Drive Wedge
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
1. Prepare the
computer for
disassembly .
2. Push the levers
located on each
side of the
wedge and lift
the wedge off
the connector
on the bottom
of the unit.
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Next Step
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the DVD or CD-ROM Drive
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
To remove the CDROM or the DVD
Drive with shield
attached, complete
the following steps:
1. Prepare the
computer for
disassembly.
Preparing the
Computer for
Disassembly
Battery Pack
2. Disassemble
the wedge.
Hard Drive
Keyboard
3. Remove two
screws at the
rear of the CDROM or DVD
Drive and lift
the CD-ROM or
DVD Drive with
shield attached
off the
connector
wedge.
Memory Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU Cover
with Palmrest
and TouchPad
Hard Drive/
Battery Charger
Board
Converter Board
To replace the CDROM or DVD Drive
with shield attached,
reverse the previous
procedures.
Next Step
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD-ROM
Drive
System to Wedge
Interface Board
Diskette Drive
Wedge to Port
Replicator
Interface Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the System to Wedge Interface Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU Cover
with Palmrest
and TouchPad
Hard Drive/
Battery Charger
Board
To remove the
System to Wedge
Interface board ,
complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Disassemble
the wedge.
3. Remove two
standoffs from
the System to
Wedge
Interface
board and lift
the board from
the wedge.
To replace the
System to Wedge
Interface board ,
reverse the previous
procedures.
Converter Board
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD Drive
System to Wedge
Interface Board
Diskette Drive
Wedge to Port
Replicator
Interface Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Diskette Drive or the LS-120 Drive
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
To remove the
Diskette Drive or the
LS-120 Drive with
shield attached,
complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Disassemble
the wedge.
3. Remove three
screws which
secure the
Diskette Drive
or LS-120 Drive
with shield
attached to the
base enclosure
of the wedge.
4. Lift the Diskette
Drive or the LS120 Drive with
shield attached
from the unit.
To replace the
Diskette Drive or LS120 Drive with shield
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Low Voltage
Differential
Signal Board
Fan Assembly
attached, reverse the
previous procedures.
Next Step
System Board
Speaker
Assembly
Disassembling
the Wedge
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
1.800.AT.COMPAQ
privacy and legal statement
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Removing the Wedge to the Port Replicator Interface Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Hard Drive
Keyboard
Memory
Module
Modem
Heatspreader
Processor
Display Panel
Assembly
Upper CPU
Cover with
Palmrest and
TouchPad
Hard Drive/
Battery
Charger Board
Converter
Board
To remove the Wedge
to the Port Replicator
Interface board,
complete the
following steps:
1. Prepare the
computer for
disassembly.
2. Disassemble
the wedge.
3. Remove the CD
ROM Drive or
the DVD Drive
with shield
attached from
the unit.
4. Remove the
Diskette Drive
or the LS-120
Drive with
shield attached
from the unit.
5. Remove two
standoffs from
the Wedge to
the Port
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Compaq.com - Compaq Presario 1900 Series Maintenance and Service Guide - Models: 1905, 1906, 1910, 1915, 1919, and 1920
Replicator
Interface board
and lift the
board from the
unit.
Low Voltage
Differential
Signal Board
Fan Assembly
System Board
Speaker
Assembly
Disassembling
the Wedge
To replace the Wedge
to Port Replicator
Interface board,
reverse the previous
procedures.
DVD or CD
Drive
System to
Wedge
Interface
Board
Diskette Drive
Wedge to Port
Replicator
Interface
Board
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United States
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
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COMPAQ
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
Physical and Environmental
Computer Specifications
U.S.
Metric
12.1" TFT Dimensions
Height
Depth
Width
1.1"
11.6"
9.2"
234mm
294.7mm
29mm
1.2"
11.6"
9.2"
234mm
294.7mm
30.5mm
13.3" TFT Dimensions
Height
Depth
Width
Weight
12.1" TFT
13.3" TFT
Wedge
Stand-Alone (Battery Pack) Power Requirements
Nominal Operating
Maximum Average
Peak Operating
4.5 lbs
5.0 lbs
1.8 lbs
NiMH
Li-ion
W @ 9.6 V
W @ 9.6 V
W @ 9.6 V
W @ 14.4 V
W @ 14.4 V
W @ 14.4 V
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AC Power Requirements
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
100-240 V
0.8/0.4 A RMS
47-63 Hz
Meets IEC 801-4 and IEC801-5
1kV for 50 ns
Temperature
Operating
50° to 95 °F
10° to 35 °C
Nonoperating
-4° to 140 °F
-20° to 60 °C
Operating
10 to 90%
35°C to 90%
Nonoperating (tw = 38.7°C max)
5 to 95%
60°C to 95%
Operating
0 to 10,000 ft
0 to 3.15 km
Nonoperating
0 to 30,000 ft
0 to 9.14 km
Relative Humidity (noncondensing)
Altitude
Shock
Operating
10 G, 11 ms, half sine
Non operating
240 G, 2 ms, half sine
Vibration
Operating
0.5 G
Nonoperating
1.5 G
NOTE: Applicable product safety standards specify thermal limits for plastic surfaces.
Compaq Presario 1900 Series Portable Computers operate well within this range of
temperatures.
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COMPAQ
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 Interrupts
IRQ
Device(s)
0
System timer
1
Standard 101/102-Key or Microsoft Natural Keyboard
2
Programmable interrupt controller
3
Ambit Modem
4
Communications Port (COM1)
5
NMA2 Audio Controller
6
Standard Floppy Disk Controller
7
Printer Port (LPT1)
8
System CMOS/real time clock
9
Intel 82371AB/EB PCI to USB Universal Host Controller
10
PCI Fast Ethernet DEC 21143 Based Adapter
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11
Texas Instruments PCI-1225 CardBus Controller
NeoMagic NMG5 Graphics Controller
12
PS/2 Compatible Mouse Port
13
Numeric data processor
14
Intel 82371AB/EB PCI Bus Master IDE Controller
15
Intel 82371AB/EB PCI Bus Master IDE Controller
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United States
June 27, 2004
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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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System DMA
United States
April 15, 1999
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
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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 I/O Address
I/O Address
System Function (Shipping Configuration)
0000 – 000F
Direct Memory Access Controller
0020 – 0021
Programmable interrupt controller
0040 – 0043
System timer
0060 – 0060
Standard 101/102-Key or Microsoft Natural Keyboard
0061 – 0061
System speaker
0064 – 0064
Standard 101/102-Key or Microsoft Natural Keyboard
0070 – 0071
System CMOS/real time clock
0081 – 008F
Direct memory access controller
00A0 – 00A1
Programmable interrupt controller
00C0 – 00DF
Direct memory access controller
00E0 – 00E1
Motherboard Resources
00F0 – 00FF
Numeric Data Processor
0170 – 0177
Intel 82371AB/EB PCI Bus Master IDE Controller
01F0 – 01F7
Intel 82371AB/EB PCI Bus Master IDE Controller
0201 – 0201
Gameport Joystick
0274 – 0277
IO read data port for ISA Plug and Play enumerator
0376 – 0376
Intel 82371AB/EB PCI Bus Master IDE Controller
0378 – 037F
Printer Port (LPT1)
03B0 – 03BB
NeoMagic NMG5 Graphics Controller
03C0 – 03DF
NeoMagic NMG5 Graphics Controller
03F0 – 03F5
Standard Floppy Disk Controller
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System DMA
03F6 – 03F6
Intel 82371AB/EB PCI Bus Master IDE Controller
03F7 – 03F7
Standard Floppy Disk Controller
03F8 – 03FF
Communications Port (COM1)
03D0 – 04D1
Motherboard resources
0CF8 – 0CFF
PCI bus
1000 – 103F
Motherboard resources
1040 – 104F
Motherboard resources
1050 – 105F
Intel 82371AB/EB PCI Bus Master IDE Controller
1060 – 107F
Intel 82371AB/EB PCI to USB Universal Host Controller
1080 – 10FF
PCI Fast Ethernet DEC 21143 Based Adapter
1400 – 14FF
PCI Communication Device
1800 – 1807
PCI Communication Device
System Memory Catalog
Memory Address
Device
00000000 – 0009FFFF
System board extension for PnP BIOS
000A0000 – 000AFFFF
NeoMagic NMG5 Graphics Controller
000B0000 – 000BFFFF
NeoMagic NMG5 Graphics Controller
000C0000 – 000CBFFF
NeoMagic NMG5 Graphics Controller
000E4000 – 000FFFFF
System board extension for PnP BIOS
00100000 – 03FFFFFF
System board extension for PnP BIOS
04000000 – 04000FFF
Texas Instruments PCI-1225 CardBus Controller
04001000 – 04001FFF
Texas Instruments PCI-1225 CardBus Controller
F4000000 – F40000FF
PCI Communication Device
F4000400 – F40007FF
PCI Fast Ethernet DEC 21143 Based Adapter
F4100000 – F41FFFFF
NeoMagic NMG5 Graphics Controller
F4100000 – F47FFFFF
Intel 82443BX Pentium(r) II Processor to AGP controller
F4200000 – F42FFFFF
PCI Multimedia Audio Device
F4400000 – F47FFFFF
NeoMagic NMG5 Graphics Controller
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System DMA
F4C00000 – F4FFFFFF
PCI Multimedia Audio Device
F4C00000 – F5FFFFFF
Intel 82443BX Pentium(r) II Processor to AGP controller
F5000000 – F5FFFFFF
NeoMagic NMG5 Graphics Controller
F8000000 – FBFFFFFF
Intel 82443BX Pentium(r) II Processor to PCI bridge (with GART
support)
FFF80000 – FFFFFFFF
Motherboard resources
Display Information
12.1" TFT Display
U.S.
Metric
12.1" TFT Dimensions
Height
Depth
Width
1.1"
11.6"
9.2"
234mm
294.7mm
29mm
13.3" TFT Dimensions
Height
Depth
Width
1.2"
11.6"
9.2"
234mm
294.7mm
30.5mm
Memory Expansion (Not Applicable in this Form Factor)
Diskette Drive or LS-120 Drive
Storage Drives
3.5" Drive
LS-120 Drive
Capacity per Diskette (High/Low)
Low 720KB
High 1.44MB
Low 720KB
High 120MB
Diskette Size
3.5"
3.5"
Number of LED Indicators (Read/Write)
1
1
Number of Drives Supported
1
1
Drive Rotation (rpm)
360
720
Transfer Rate (Kbps/Sec)
Low
High
Bytes per Sector
512
Sectors per Track (High/Low)
Low
High
31
62
Low
High
313-565
313-565
512
9
18
Low
High
9
93
Access Times
3ms
15ms
25ms (1 cycle seek)
20ms (1 cycle seek)
Cylinders (High/Low)
Not Available
Low
High
Number of Read/Write Heads
2
2
Track-to-Track (ms)
Head Setting (ms)
Hard Drive
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80
1736
System DMA
Hard Drives
Models
DBCA-20648
DBCA-206480
DCXA-21000
Capacity Per Drive
4.8-GB
6.4-GB
10.0-GB
Drive Type
U-DMA/33
U-DMA/33
U-DMA/33
10068
3
63
512
13424
4
63
512
16383
6
63
512
Logical Configuration
Cylinders
Heads
Sectors per Track
Bytes per Sector
Seek Times
(Typical, including settling in ms)
Read
Write
13ms
14ms
Read
Write
13ms
14ms
Read
Write
12ms
14ms
Read
Write
2.5ms
3.0ms
Read
Write
2.5ms
3.0ms
Read
Write
2.5ms
3.0ms
Read
Write
23ms
24ms
Read
Write
23ms
24ms
Read
Write
23ms
24ms
Single Track
Full Stroke
Transfer Rate
At interface
16.6MB/s
16.6MB/s
16.6MB/s
Hard Drives, continued
Models
MHH20 48AT
MHH20 64AT
MHG2 102AT
Capacity Per Drive
4.8-GB
6.4-GB
10.0-GB
Drive Type
U-DMA/33
U-DMA/33
U-DMA/33
Not
Not
Not
Not
13424
4
63
512
16383
6
63
512
Logical Configuration
Cylinders
Heads
Sectors per Track
Bytes per Sector
Available
Available
Available
Available
Seek Times
(Typical, including settling in ms)
Read
Write
N/A
N/A
Read 13ms
Write 14ms
Read 13ms
Write N/A
Read
Write
N/A
N/A
Read
Write
2.5ms
3.0ms
Read
Write
1.5ms
N/A
Read
Write
N/A
N/A
Read
Write
23ms
24ms
Read
Write
23ms
N/A
Single Track
Full Stroke
Transfer Rate
At interface
15.8MB/s
16.6MB/s
15.8MB/s
Hard Drives, continued
Models
Capacity Per Drive
DK238 A-43
4.3-GB
DK228 A-65
6.4-GB (12.7mm)
Drive Type
DK239 A-65
6.4-GB
U-DMA/33
Logical Configuration
Cylinders
Heads
Sectors per Track
Bytes per Sector
Not
Not
Not
Not
Available
Available
Available
Available
13424
4
63
512
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16383
6
63
512
System DMA
Seek Times
(Typical, including settling in ms)
Read
Write
N/A
N/A
Read
Write
Read
Write
Read
Write
N/A
N/A
Read
Write
Read
Write
N/A
N/A
Read
Write
N/A
Single Track
Full Stroke
N/A
N/A
Transfer Rate
At interface
CD ROM or DVD Drive
CD ROM Drive (24X)
Models
DVD Drive (4X)
CRN-8142B
CDR-U242Z
DRD-424
SD-C2202
Width
Height
Depth
128mm
12.7mm
129mm
Not Available
Not Available
Not Available
128mm
12.7mm
129mm
128mm
12.7mm
129mm
Weight
300g
Not Available
280g
270g
Rotational Speed
5000RPM
Not Available
2300 RPM
2300RPM
Typical Transfer Rate
Sustained Data Transfer Rate
16.67MB/s
3600KB/s
Not Available
Not Available
16.6MB/s(PIO)
5400KB/s
16.7MB/s(PIO)
5400KB/s
Access Time
Average Random Access Time
110ms
Not Available
150ms
140ms
Spin Up Time
5s
Not Available
<15s*1
3.8s
Data Buffer Capacity
1Mbit
Not Available
128KB
128KB
Dimensions
Go back to the top of Specifications
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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
STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |
SEARCH
COMPAQ
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
Models and Features
Models and
Features
Controls
and Lights
Status Panel
Compaq Discovery 1900 Series Portable Computer Models
Model
1922
Model
1925
Display
12. 1" TFT
13. 3" TFT
Processor
Intel Celeron/300-MHz
w/512K Cache
Intel PentiumII/333-MHz
w/256K Cache
Left Side
Components
Intel Celeron/333-MHz
w/128K Cache w/DC
Right Side
Components
Bottom of
Unit
Left Side
and Top
Wedge
Components
Intel Celeron/400(128) w/DC
Hard Drive
4.8-GB
4.8-GB or 6.4-GB
Modem
56.0 Kbps PCI Data/Fax
56.0 Kbps PCI Data/Fax or
International
CD Drive
24X CD-ROM
4X DVD
Right Side
Wedge
Components
Rear
Connectors
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Port
Replicator
Connectors
Port
Replicator
Components
Power
Management
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HP Online privacy statement
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HP Respects your privacy
HP and its subsidiaries respect your privacy and are committed to protecting it. HP provides this Privacy Statement to inform you of our Privacy
Policy and practices and of the choices you can make about the way your information is collected online and how that information is used. We've
structured our websites so that, in general, you can visit HP on the Web without identifying yourself or revealing any personal information. We
make this notice readily available on our home page and at the bottom of every HP Web page. Some HP Web pages are P3P-enabled, which
allows you additional control over your personal information.
HP is a founding sponsor of the Council of Better Business Bureau's BBBOnLine Privacy Program, the "gold standard" for privacy certification.
HP privacy practices meet the requirements of the Privacy Program and we are proud to display the BBBOnLine Privacy Seal.
HP has also self-certified its privacy practices as consistent with U.S.-E.U. Safe Harbor principles: Notice, Choice, Onward Transfer, Access and
Accuracy, Security, and Oversight/Enforcement. More information about the U.S. Department of Commerce Safe Harbor Program can be found
at http://www.export.gov/safeharbor/.
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Sites covered by this privacy statement
Types of information we collect
Children's privacy
How we use your information
Who we share your information with
Your choices
Your privacy preferences and opting out
Your information and third-party companies
Access to and accuracy of your information
Keeping your information secure
Changes to this Statement
Contacting us
How HP uses cookies and Web beacons on HP.com and in third-party ads:
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Cookies
Web beacons
Third-party media companies
1. Sites covered by this Privacy Statement
This Privacy Statement applies to all HP.com-owned websites and domains, and our wholly owned subsidiaries ("HP websites.") This statement
is not applicable to Presario Online University by Learn2.com, which maintains its own privacy statement.
Links to non-HP websites
The HP websites may provide links to third-party websites for your convenience and information. If you access those links, you will leave the HP
website. HP does not control those sites or their privacy practices, which may differ from HP's. We do not endorse or make any representations
about third-party websites. The personal data you choose to give to unrelated third parties is not covered by the HP Privacy Statement. We
encourage you to review the privacy policy of any company before submitting your personal information. Some third-party companies may
choose to share their personal data with HP; that sharing is governed by that third-party company's privacy policy.
2. Types of information we collect
This Privacy Statement covers personal information, non-personal data collection and aggregate reporting.
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Personal information
is information that is associated with your name or personal identity. HP uses personal information to understand better your needs
and interests and to provide you with better service. Once you choose to provide us with personal information, you can be assured it
will be used only to support your customer relationship with HP. We take seriously the trust you place in us. HP will not sell, rent or
lease your personal information to others.
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HP Online privacy statement
On some HP websites, you can order products or services, apply for instant credit, request information, subscribe to marketing or
support materials, register yourself or your HP products, or apply for a job at HP. The types of personal information you provide to us
on these pages may include name, address, phone number, e-mail address, user IDs and passwords, billing and transaction
information, credit card information, contact preferences, educational and employment background, and job interest data. If you apply
for instant credit, we will ask you to provide additional information such as salary, social security number and banking information. This
information will be used by our financial services providers in determining whether to extend you credit.
To personalize our websites, services or communications and improve our products and services, we may also ask you to provide us
with information regarding your personal or professional interests, demographics, and experiences with our products or services.
Providing this additional information is optional.
HP also provides a Web-based business card e-service, ecardfile.com. If you choose to use it, you supply the personal and business
contact information of your choice and can set each element as public or private. Information you designate as public is available to
any viewer who looks up your card. Ecardfile.com is not a customer registration service.
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Non-personal information
is data about usage and service operation that is not associated with a specific personal identity. HP collects and analyzes nonpersonal information to evaluate how visitors use the HP websites.
Non-personal data we collect may include the pages visited on the HP websites, unique URLs1 visited within HP.com, browser type
and IP2 address. Most non-personal data is collected via cookies or other analysis technologies. HP.com Web pages use cookies,
Web beacons and other technologies for data analysis and personalization services. HP also places ads on other websites that may
use cookies. To learn more, read HP use of cookies and Web beacons.
3. Children's privacy
HP is committed to protecting the privacy needs of children and we encourage parents and guardians to take an active role in their children's
online activities and interests. HP does not knowingly collect information from children under the age of 13 and HP does not target its websites to
children under 13.
4. How we use your information
HP uses your personal information to provide you with services and to help us better understand your needs and interests. Specifically, we use
your information to help you complete a transaction or order, to communicate with you, to provide service and support, to update you on services
and benefits, to personalize promotional offers and to personalize some HP websites. Occasionally we may also use your information to contact
you for market research regarding HP products or services. We will give you the opportunity to choose your privacy preferences regarding such
communications (see section 7, "Your privacy preferences and opting out"). Credit card information is used only for payment processing and
fraud prevention. Sensitive personal information is collected only to facilitate our financial service providers' credit decisions and will be shared
with them only with your permission. Credit card information and sensitive personal data are not used for any other purpose by our financial
services providers or HP and will not be kept longer than necessary for providing the services, unless you ask us to retain your credit card
information for future purchases.
Personal data collected online may also be combined with information you provide HP through other sources such as product registration, call
centers or public events such as trade shows or seminars.
Personal data given to HP may be transferred across state and country borders for the purposes of data consolidation, storage and simplified
customer information management.
Non-personal data is aggregated for reporting about HP website usability, performance and effectiveness. It is used to improve the customer
experience, usability and site content.
5. Who we share your information with
HP will not sell, rent or lease your personal information to others. HP will not share your personal information with third parties except in
responding to your requests for products or services. Your permission will be requested when you submit your information. HP shares customer
information across HP-owned business entities and companies working on our behalf, but only as described above in "How we use your
information."
HP contracts with third-party service providers and suppliers to deliver complete products, services and customer solutions described in "How we
use your information." Suppliers and service providers are required to keep confidential the information received on behalf of HP and may not use
it for any purpose other than to carry out the services they are performing for HP. These service providers may change or we may contract with
additional service providers to better accommodate our customers. HP will not share personal information with any other third parties without
your permission, unless required by law enforcement action, subpoena, or local law.
HP or its related entities could merge with or be acquired by another business entity or some or all of their respective assets could be acquired. If
such a combination or acquisition occurs, HP will make every reasonable effort to notify you in the event we share with the merging or acquiring
entity some or all of your personal information to continue serving you.
6. Your choices
HP gives you the choice of receiving a variety of information that complements our products and services. You can subscribe to receive certain
product- and service-specific information and HP-wide marketing communications. HP-wide communications may include new product
information, special offers, or an invitation to participate in market research. We give you a choice regarding delivery of HP-wide communications
by postal mail, e-mail and telephone. You can make or change your choices at the data collection point or through HP Passport (HP's proprietary
online customer registration tool, available only in the United States). Please refer to section 7 for further instructions. We will make every effort to
honor your preferences. This option does not apply to communications for the purpose of administering order completion, contracts, support,
product safety warnings or driver updates.
7. Your privacy preferences and opting out
Non-subscription services
HP will not use your personal information for a different purpose than the one stated when you provided your data. Examples of unrelated uses
include sending communications about special offers, product information, and marketing messages. You can, however, choose to receive these
types of non-subscription communications by following the instructions below.
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HP Online privacy statement
In the U.S.:
You can make your choice regarding these communications by using HP Passport to set your privacy preferences, which
are applicable across all HP websites.
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If you have never registered with HP Passport, create your privacy preferences
If you have registered with HP Passport in the past, edit your privacy preferences (requires a user ID and
password)
Outside the U.S.:
Please specify your privacy preferences by writing to the HP Privacy Office - be sure to provide your name, e-mail and
postal address in all correspondence.
Subscription services
To opt-out of receiving communications you have expressly requested (such as e-mail newsletters, software updates, etc.), use any of the
following methods:
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Select the e-mail "opt-out" or "unsubscribe" link, or follow the opt-out instructions included in each subscription communication
Return to the Web page(s) where you originally registered your preferences and follow the opt-out instructions
Write to the HP Privacy Office - be sure to provide your name, e-mail and postal address, and relevant information about your HP
subscriptions and registrations
8. Your information and third-party companies
Certain HP services are linked with those from unrelated third-party companies, some which offer you the option to share with both HP and the
third party personal data you provide. Examples include the ability to register software products from multiple vendors from a single HP Web
page, to request communications from HP marketing or solution partners, or to enable order completion through a reseller. We will not share your
personal information with those third-party companies unless you make that choice.
9. Access to and accuracy of your information
HP strives to keep your personal information accurate. We have implemented technology, management processes and policies to maintain
customer data accuracy. We will provide you with access to your information, including making reasonable effort to provide you with online
access and the opportunity to change your information. To protect your privacy and security, we will also take reasonable steps to verify your
identity, such as a password and user ID, before granting access to your data. Certain areas of HP's websites may limit access to specific
individuals through the use of passwords and other personal identifiers.
The most effective way to view and change your personal information is to return to the Web page where you originally submitted your data and
follow the instructions on that Web page or use HP Passport.
10. Keeping your information secure
HP is committed to protecting the information you provide us. To prevent unauthorized access or disclosure, to maintain data accuracy, and to
ensure the appropriate use of the information, HP has in place appropriate physical and managerial procedures to safeguard the information we
collect.
We use Secure Sockets Layer (SSL) encryption when collecting or transferring sensitive data such as credit card information. SSL encryption is
designed to make the information unreadable by anyone but us. This security measure is working when you see either the symbol of an
unbroken key or closed lock (depending on your browser) on the bottom of your browser window.
Credit card numbers are used only for processing payment and are not used for other purposes. As part of real-time payment processing, HP
subscribes to a fraud management service. This service gives you and HP an extra level of security to guard against credit card fraud to protect
your financial data.
11. Changes to this Statement
If there are updates to the terms of HP's Online Privacy Statement, we will post those changes and update the revision date in this document, so
you will always know what information we collect online, how we use it, and what choices you have. For material changes to this Statement, HP
will provide notification to affected customers.
12. Contacting us
We value your opinions. If you have comments or questions about our privacy policy, please send them to the HP Privacy Office or write to us at
the following address:
HP Privacy Mailbox
20555 SH 249
MS 040307
Houston, Texas 77070
Rev. December 2003
1A
URL (Uniform Resource Locator) is the global address of documents and other resources on the World Wide Web. For example, http://www.HP.com is the URL for HP's U.S. home page.
2An
IP address is an identifier for a computer or device on a Transmission Control Protocol/Internet Protocol (TCP/IP) network, such as the World Wide Web. Networks use the TCP/IP protocol to route
information based on the IP address of the destination. In other words, an IP address is a number that is automatically assigned to your computer whenever you are surfing the Web, allowing Web servers to
locate and identify your computer. Computers require IP addresses in order for users to communicate on the Internet, browse and shop.
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HP Terms of use
United States-English
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Hewlett-Packard Company Website - Terms of use and legal restrictions
ATTENTION: PLEASE READ THESE TERMS CAREFULLY BEFORE USING THIS WEBSITE. USING THIS WEBSITE INDICATES THAT
YOU ACCEPT THESE TERMS. IF YOU DO NOT ACCEPT THESE TERMS ("TERMS"), DO NOT USE THIS WEBSITE.
1. Use of site
Hewlett-Packard Company ("HP") authorizes you to view and download the materials at this website ("Site") only for your personal,
non-commercial use, provided that you retain all copyright and other proprietary notices contained in the original materials on any
copies of the materials. You may not modify the materials at this Site in any way or reproduce or publicly display, perform, or distribute
or otherwise use them for any public or commercial purpose. Any use of these materials on any other website or networked computer
environment for any purpose is prohibited. The materials at this Site are copyrighted and any unauthorized use of any materials at this
Site may violate copyright, trademark, and other laws. If you breach any of these Terms, your authorization to use this Site
automatically terminates and you must immediately destroy any downloaded or printed materials.
2. Disclaimers
THE MATERIALS (INCLUDING ALL SOFTWARE) AND SERVICES AT THIS SITE ARE PROVIDED "AS IS" WITHOUT
WARRANTIES OF ANY KIND INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
NON-INFRINGEMENT OF INTELLECTUAL PROPERTY. HP's obligations with respect to its products and services are governed
solely by the agreements under which they are provided and nothing on this Site should be construed to alter such agreements. HP
further does not warrant the accuracy and completeness of the materials, software or services at this Site. HP may make changes to
the materials and services at this Site, or to the products and prices described in them, at any time without notice. The materials and
services at this Site may be out of date, and HP makes no commitment to update the materials and services at this Site. Information
published at this Site may refer to products, programs or services that are not available in your country. Consult your local HP
business contact for information regarding the products, programs and services that may be available to you. Applicable law may not
allow the exclusion of implied warranties, so this exclusion may not apply to you.
3. Limitation of liability
IN NO EVENT WILL HP, ITS SUPPLIERS, OR OTHER THIRD PARTIES MENTIONED AT THIS SITE BE LIABLE FOR ANY
DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, THOSE RESULTING FROM LOST PROFITS, LOST DATA OR
BUSINESS INTERRUPTION) ARISING OUT OF THE USE, INABILITY TO USE, OR THE RESULTS OF USE OF THIS SITE, ANY
WEBSITES LINKED TO THIS SITE, OR THE MATERIALS OR INFORMATION OR SERVICES CONTAINED AT ANY OR ALL SUCH
SITES, WHETHER BASED ON WARRANTY, CONTRACT, TORT OR ANY OTHER LEGAL THEORY AND WHETHER OR NOT HP
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IF YOUR USE OF THE MATERIALS, INFORMATION OR
SERVICES FROM THIS SITE RESULTS IN THE NEED FOR SERVICING, REPAIR OR CORRECTION OF EQUIPMENT OR DATA,
YOU ASSUME ALL COSTS THEREOF. APPLICABLE LAW MAY NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES, SO THESE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
4. Use of software
Any software that is made available to download from this Site is the copyrighted work of HP and/or its suppliers. Use of the software
is governed by the terms of the end user license agreement, if any, which accompanies or is included with the software ("License
Agreement"). You may not download or install any Software that is accompanied by or includes a License Agreement unless you have
read and accepted the terms of the License Agreement. REPRODUCTION OR REDISTRIBUTION OF THE SOFTWARE IS
PROHIBITED EXCEPT AS PROVIDED FOR IN THE APPLICABLE LICENSE AGREEMENT.
5. User submissions
HP does not want to receive confidential or proprietary information from you through this Site. Any material, information or other
communication ("Communications") you transmit or post to this Site will be considered non-confidential and non-proprietary. HP will
have no obligations with respect to the Communications. HP and its designees will be free to copy, disclose, distribute, incorporate and
otherwise use the Communications and all data, images, sounds, text, and other things embodied therein for any and all commercial or
non-commercial purposes. Personally identifiable information that you submit to HP for the purpose of receiving products or services
will be handled in accordance with the HP online privacy statement. You are prohibited from posting or transmitting to or from this Site
any unlawful, threatening, libelous, defamatory, obscene, pornographic, or other material that would violate any law.
6. Chat rooms and other user forums
HP may, but is not obligated to, monitor or review any areas on the Site where users transmit or post Communications or communicate
solely with each other, including but not limited to chat rooms, bulletin boards or other user forums, and the content of any such
Communications. HP, however, will have no liability related to the content of any such Communications, whether or not arising under
the laws of copyright, libel, privacy, obscenity, or otherwise. HP retains the right to remove messages that include any material HP
deems abusive, defamatory, obscene or otherwise unacceptable.
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HP Terms of use
7. Links to third-party Websites
Links on this Site to third-party websites are provided solely as a convenience to you. If you use these links, you will leave this Site. HP
has not reviewed all of these third-party sites and does not control and is not responsible for any of these sites or their content. Thus,
HP does not endorse or make any representations about them, or any information, software or other products or materials found there,
or any results that may be obtained from using them. If you decide to access any of the third-party websites linked to this Site, you do
this entirely at your own risk.
8. Linking to this site
You may create links to this Site from other sites, but only in accordance with the terms of the Guidelines for linking to HP's Websites
and in compliance with all applicable laws.
9. Trademarks
Microsoft, Windows, and Windows NT are US registered trademarks of Microsoft Corporation.
Intel, the Intel logo, Intel Inside, the Intel Inside logo, Intel Centrino, the Intel Centrino logo, Celeron, Intel Xeon, Itanium, and Pentium
are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
10. Procedure for making claims of copyright infringement
In accordance with the Digital Millennium Copyright Act (17 USC § 512), HP is registered with the US Copyright Office as a Service
Provider. Any notifications of claimed copyright infringement must be sent to the Service Provider's Designated Agent. The Designated
Agent is the Hewlett-Packard Company Legal Department, telephone number (650) 857-1501. Notification should be mailed to 19111
Pruneridge Avenue, MS 4060, Cupertino, CA 95014 or sent via e-mail to http://www.hp.com/ghp/assist/web_feedback.htm.
11. U.S. government restricted rights
This Site contains confidential computer software and technical data. A valid License from HP is required for possession, use, or
copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical
Data for Commercial Items are licensed to the U.S. Government under HP's standard commercial license terms.
12. General
HP administers this Site from its offices in Palo Alto, California. HP makes no representation that materials or services at this Site are
appropriate or available for use outside the United States, and access to them from territories where their contents are illegal is
prohibited. You may not use or export or re-export the materials or services at this Site or any copy or adaptation in violation of any
applicable laws or regulations including without limitation U.S. export laws and regulations. If you choose to access this Site from
outside the United States, you do so on your own initiative and are responsible for compliance with applicable local laws. These Terms
will be governed by and construed in accordance with the laws of the State of California, without giving effect to any principles of
conflicts of laws.
HP may revise these Terms at any time by updating this posting. You should visit this page from time to time to review the then-current
Terms because they are binding on you. Certain provisions of these Terms may be superseded by expressly designated legal notices
or terms located on particular pages at this Site.
13. Revised December 2003
Note: Anyone linking to HP's website must comply with the Guidelines for Linking to HP's Websites and all applicable laws.
Guidelines for linking to HP's Websites
A site that links to HP's website:
❍ May link to but not replicate HP content
❍ Should not create a browser or border environment around HP content
❍ Should not imply that HP is endorsing it or its products
❍ Should not misrepresent its relationship with HP
❍ Should not present false information about HP products or services
❍ Should not use the HP logo without permission from HP
❍ Should not contain content that could be construed as distasteful, offensive or controversial, and should contain only
content that is appropriate for all age groups
Printable version
Privacy statement
Using this site means you accept its terms
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