Compaq Presario 1660 Service manual

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COMPAQ

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page |

Notice

|

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

| Specifications

Pin Assignments

| Battery Pack Operations

Notice

Preface

Product

Description

Troubleshooting

Illustrated

Parts Catalog

Removal &

Replacement

Procedures

Specifications

Connector Pin

Assignments

Battery Pack

Operations

See the Notice for copyright and trademark information, and see the

Preface for

symbol conventions, Technician Notes and Serial Number locations on the unit.

Download a ZIP file of the complete MSG (1.93 MB) onto local hard drive

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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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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.

© 1999 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 95 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

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Compaq Computer Corporation

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Maintenance & Service Guide

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MSG Index

| Home Page |

Notice

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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 1660 Model Portable Computers. Compaq

Computer Corporation reserves the right to make changes to the Compaq Presario 1660

Model 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:

Text set off in this manner presents clarifying information or specific instructions.

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NOTE:

Text set off in this manner presents commentary, sidelights, or interesting points of information.

Technician Notes

WARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. 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 1660 Model Portable Computer documentation set

Introducing Windows 95 Guide

Service Training Guides

Compaq Service Advisories and Bulletins

Compaq QuickFind

Compaq Service Quick Reference Guide

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Maintenance & Service Guide

Presario 1660 Model

MSG Index |

Home Page

| Notice

| Preface |

Product Description

|

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures

|

Specifications

Pin Assignments |

Battery Pack Operations

Product Description

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

98

Compaq

Presario

1600

Portable

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Maintenance & Service Guide

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MSG Index

| Home Page

| Notice

| Preface |

Product Description

|

Troubleshooting

Illustrated Parts Catalog

| Removal & Replacement Procedures

|

Specifications

Pin Assignments

| Battery Pack Operations

Troubleshooting

Preliminary

Steps

Clearing the

Power-On

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 1660 Model Portable Computer. 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.

NOTE:

If the problem is intermittent, check the computer several times to verify that the problem is solved.

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page |

Notice

|

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

| Specifications

Pin Assignments

| Battery Pack Operations

Illustrated Parts Catalog

System Unit

Boards

Display

Assembly

Mass Storage

Devices

Miscellaneous

Cable Kit

External Cables

Miscellaneous

Hardware and

Plastics Kits

Miscellaneous

Parts

Documentation and Software

This section provides a breakdown and identifies the spare parts ordering number associated with items for the Compaq Presario 1660 Model Portable Computers.

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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 Location

Disassembly

Sequence

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drive

Report the computer serial number to Compaq when requesting information or ordering spare parts.

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Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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Maintenance & Service Guide

Presario 1660 Model

MSG Index |

Home Page |

Notice

| Preface

| Product Description

|

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

|

Specifications

Pin Assignments

| Battery Pack Operations

Specifications

This section covers the following specifications of Compaq Presario 1660 Model Portable

Computers:

Physical and environmental

System Interrupts

System I/O Address

System Memory Catalog

Diskette drive

DVD drive

Hard drive

Battery pack

System DMA

Display

CD drive

Physical and Environmental

Computer Specifications

U.S.

Dimensions

Height

Depth

Width

Weight

AC Power Requirements

1.97 in

12.32 in

10.12 in

7.37 lb

Metric

4.95 cm

31.00 cm

25.40 cm

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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

Nonoperating

Relative Humidity (noncondensing)

Operating

Nonoperating (tw = 38.7°C max)

Altitude

Operating

Nonoperating

50° to 95 °F

-4° to 140 °F

10 to 90%

5 to 95%

0 to 10,000 ft

0 to 30,000 ft

10° to 35 °C

-20° to 60 °C

10 to 90%

5 to 95%

0 to 3.15 km

0 to 9.14 km

Shock

Operating

Non operating

Vibration

10 G, 11 ms, half sine

240 G, 2 ms, half sine

Operating

Nonoperating

0.5 G

1.5 G

NOTE: Applicable product safety standards specify thermal limits for plastic surfaces.

Compaq Presario 1660 Model Portable Computers operate well within this range of temperatures.

System Interrupts

Hardware IRQ

IRQ0

IRQ1

IRQ2

IRQ3

IRQ4

IRQ5

IRQ6

System Interrupts

System Function

System Timer

Standard 101/102-Key or Microsoft Natural

Keyboard

Programmable interrupt controller

Compaq Presario 56K-DF

Communications Port (COM1)

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IRQ7

IRQ8

IRQ9

IRQ9

IRQ9

IRQ9

IRQ11

IRQ11

IRQ11

IRQ12

IRQ13

IRQ14

IRQ14

IRQ15

IRQ15

Printer Port (LPT1)

System CMOS/real time clock

Texas Instruments PCI-1211 CardBus Controller

NeoMagic MagicMedia 256AV

IRQ Holder for PCI Steering

IRQ Holder for PCI Steering

Intel 82371AB/EB PCI to USB Universal Host

Controller

NeoMagic MagicMedia 256AV Audio

IRQ Holder for PCI Steering

Synaptics PS/2 TouchPad

Numeric data processor

Primary IDE controller (dual fifo)

Intel 82371AB/EB PCI Bus Master IDE Controller

Secondary IDE controller (dual fifo)

Intel 82371AB/EB PCI Bus Master IDE Controller

System DMA

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4

5

2

3

Hardware

DMA

1

System DMA

System Function

NewMagic MagicWave 3DX Sound System

NewMagic MagicWave 3DX Sound System free

Standard Floppy Disk Controller

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Maintenance & Service Guide

Presario 1660 Model

MSG Index |

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 1660 Model Portable

Computers. For more information on connectors, refer to the section on

Rear Connectors

.

NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).

Parallel Connector

4

5

2

3

Pin Signal

1 Strobe*

Data Bit 0

Data Bit 1

Data Bit 2

Data Bit 3

6

7

Data Bit 4

Data Bit 5

8

9

Data Bit 6

Data Bit 7

* = Active low

Connector

Serial Connector

Pin Signal

Pin

10

11

12

Signal

Acknowledge*

Busy

Paper Out

13

14

Select

Auto

Linefeed*

Error* 15

16 Initialize

Printer*

17 Select In*

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Connector

7

8

5

6

9

3

4

1

2

Carrier Detect

Receive Data

Transmit Data

Data Terminal Ready

Signal Ground

Data Set Ready

Ready to Send

Clear to Send

Ring Indicator

Keyboard/Mouse

Pin Signal

3

4

1

2

5

6

Data 1

Clock 2

Ground

+5 V

Clock 1

Data 2

External VGA Monitor

Connector Pin Signal

9

10

11

12

13

14

15

7

8

5

6

3

4

1

2

Red Analog

Green Analog

Blue Analog

Not connected

Ground

Ground Analog

Ground Analog

Ground Analog

Not connected

Ground

Monitor Detect

DDC2B Data

Horizontal Sync

Vertical Sync

DDC2B Clock

Connector

Universal Serial Bus

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3

4

1

2

+5V

Data -

Data +

Ground

Connector

Modem

Pin Signal

3

4

1

2

5

6

Unused

Unused

Tip

Ring

Unused

Unused

Port Replicator

11

12

13

14

7

8

9

10

4

5

6

2

3

Pin Signal

1 N.C.

N.C.

Kb Clk 1

Joystick Data A

Kb Data 1

Joystick Data B

Kb Clk 2

Joystick Data C

Kb Data 2

Joystick Data D

Lp Select In

Lp Paper End

Lp Initialize

Lp Busy

31

32

33

34

27

28

29

30

24

25

26

Pin Signal

21 Printer Data 0

22

23

Printer Data 1

Printer Data 2

Printer Data 3

Printer Data 4

Printer Data 5

Printer Data 6

Printer Data 7

USB 0 -

USB 0 +

USB 1 -

USB 1+

Adapter In

Adapter In

51

52

53

54

47

48

49

50

44

45

46

Pin Signal

41 N.C.

42

43

N.C.

Switch A

Switch B

Switch C

Switch D

N.C.

MIDI In

MIDI Out

+5V

+5V

N.C.

N.C.

N.C.

71

72

73

74

67

68

69

70

64

65

66

Pin Signal

61 CTS

62

63

DCD

DSR

TXD

RTS

N.C.

Detect

N.C.

V. Sync

Ground

H. Sync

Ground

Blue

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15

16

17

18

19

20

Lp Error

Lp Ack

Lp Auto Feed

Lp Strobe

DDC2BC

DDC2BD

35

36

37

38

39

40

Adapter In

Adapter In

Adapter In

Adapter In

N.C.

N.C.

55

56

57

58

59

60

N.C.

Dock ID -

RXD

Lp Select

RI

DTR

75

76

77

78

79

80

Green

Ground

Red

Ground

N.C.

N.C

Compaq Home Search

Comments?

Legal Notices and Privacy Statement

Revised: 15 January 1999

Products Service Worldwide Compaq.com

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page |

Notice

|

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

| Specifications

Pin Assignments

| Battery Pack Operations

Battery Pack Operating Time

This appendix covers the following information concerning battery pack operating time:

Increase battery pack operating time

Conditioning a battery pack

Disposal 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

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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.

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1. Allow the battery to drain until the computer reaches hibernation and turns itself off. Do not plug in the AC adapter during this process. Also, the system should not be allowed to sleep. To prevent sleep, you may either use the computer while the battery is draining, or you may disable power management.

2. Plug in the AC adapter and allow the battery to charge until the LED light on the display stops blinking. Your battery gauge may read 100 percent for a period of time before LED light on the display stops blinking. Do not unplug the

AC adapter until the arrow disappears.

Your battery is now re-conditioned, and you may begin using the computer normally.

The battery pack charge time may vary greatly from 2 hours to 5 hours or more, depending on many factors (including whether it is charged on-line or off-line).

Disposal of a Used Battery Pack

In the interest of safeguarding our environment. Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium ion (Li ion) battery packs be recycled. 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.

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

98

Compaq Presario 1660 Model Portable Computer

Display

Processor

Hard Drive

13.3" TFT

300 MHz Pentium II

4 GB

Memory

CD Drive

Modem

Battery

64 MB or 128 MB SDRAM

DVD

56 Kbps Data/Fax with ITU V.90

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Illustrated Parts Catalog

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Pin Assignments |

Battery Pack Operations

Controls and Lights

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

98

1 Display

2 Power (On/Off) Button

3 Keyboard

4 Touch Pad

5 Left Touch Pad Button

6 Headphone Jack

7 Microphone Jack

8 Right Touch Pad Button

9 Speakers and Ports

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Front Bezel Buttons

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

98

Compaq Home Search Products Service Worldwide Compaq.com

1 Instant Internet

Access Button

2 Instant Search

Button

3 Volume Down

4 Scroll Up/down

Button

5 Volume Up

6 Secure E-

Commerce

Button (or

Favorite Website)

7 Instant E-Mail

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Specifications

Pin Assignments

|

Battery Pack Operations

Front Bezel Lights

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

98

1 Power

2 Battery Charge

3 AC Adapter

4 Num Lock

5 Cap Lock

6 Scroll Lock

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Left Side Components

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

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1. PC Card Eject

Lever

3. Diskette

Drive Slot

2. PC Card Slot 4. Diskette

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Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

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Rear

Connectors

Power

Management for Windows

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1 Battery Compartment

2

3

DVD Drive

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Bottom of Unit

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

Unit

Rear

Connectors

Power

Management for Windows

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Specifications

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Battery Pack Operations

Rear Connectors

Models and

Features

Upper Unit

Components

Front Bezel

Buttons

Front Bezel

Lights

Left Side

Components

Right Side

Components

Bottom of

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Rear

Connectors

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1. AC Adapter

2. USB

3. Security Slot

4. Serial Port

5. Port Replicator Port

6. External Monitor Port

7. Parallel Printer Port

8. Keyboard/Mouse Port

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Specifications

Pin Assignments

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Battery Pack Operations

Power Management for Windows 98

The following power management features are available for conserving AC power and extending battery operating time:

Power Management Settings

Sleep

Hibernation

Battery operating time

Rebooting After a Lockup

Servicing Your Computer - Full Off Mode

Power Management Settings

Depending on your patterns of computer use, you can set different levels of power management. These different power management levels can be activated based on the amount of time passed since the last system activity.

System activity examples include keyboard or mouse movement, CD or DVD playback (while under program control that monitors Sleep), and modem use.

Each of the following system components can be made to go to sleep after periods of inactivity:

● system (goes into Sleep (Standby) mode)

● screen (times out and goes blank)

● hard drive (spins down)

You can select different conditions or power schemes through Power Management.The optional settings are Home/

Office Desk, Portable/ Laptop, and Always On. From the default settings, you can change the delay time settings.

Note: the setting for hard drive must be less than or equal to the setting for System.

IMPORTANT: If you're on a network, it's recommended that you set System Standby to Never.

There are five categories of power management settings under the Control Panel. The default setting for each feature is listed below in the tables.

Power Management Properties

Tab: Power Schemes: Plugged in

Always on System Standby: Never

Turn OFF Monitor After 15 minutes

Running on Batteries

15 minutes

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Always on System Standby: After 15 minutes

Power Management Properties

After 10 minutes

Tab: ALARMS::

Low Battery Alarm:

Critical Battery Alarm

Alarm Actions:

10%

0%

X Display Message Notification

Text Action No Action

Tab: POWER METER:

Tab: ADVANCED

Power Management Properties

Default

Default

Display Properties

Tab: Monitor: Laptop Display (Maximum resolution according to unit display size)

Sleep

You can select Sleep mode instead of turning off the computer when you have finished using it. This allows the computer to wake up faster than turning it completely off and saves power over the active (On) mode. Compaq

Presario Notebook computers have two levels of sleep, Hibernation and Sleep.

Hibernation - by pushing the power button once your computer will perform a save to disk followed by a shut down of the computer into Off mode.

Sleep - is a low power mode, also referred to as Standby mode. 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 wakeup, or if you lose power while using the AC adapter.

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 helps conserve battery life and protects your data. Hibernation can be a routine power saving event, or can be the result of a low battery condition. As it enters Hibernation your computer will display a progress screen, as it automatically saves the machine state before it shuts down and turns itself off. Your computer will automatically go into Hibernation, when the battery has little power left, or when the system (operating on battery power) has been in

Sleep mode for more than an hour. You can also manually initiate Hibernation by pressing the power button once file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...ed%20ok/NOTEBOOKS/PRESARIO%201660/pwrmgt.html (2 of 4)6/27/2004 3:00:30 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide - while the system is active. To restore the computer's previous state, simply press the power button once again. While waking up, the computer will display a progress screen.

The following table shows the conditions and indicators for getting in and out of the various power management modes, Sleep, Hibernation, and Off.

Mode

Sleep

To Initiate

Manual keys combination

- Fn+F4

Time Out Default 15 minutes. If on

Battery power (system will not go to

Sleep if on AC power)

To End

Press any key

Hibernate Manual - Press Power Button once

Time Out Default If low battery or after 1 hour of sleep (system will not

Hibernate if on AC power)

Press Power

Button once

Off Perform normal Windows shutdown via the start button, or press and hold down the power button for 4 seconds

Press Power

Button once

Indicators

Flashing green

Power LED

No Power LED, blank screen

No Power LED, blank screen

Servicing Your Computer - Full Off Mode

If you need to install or replace components in your system, you must turn the computer off completely. Follow the instructions above for properly putting the computer into Off mode, unplug from the outlet, and remove the battery

(see battery section for instruction on removing battery).

Rebooting After a Lockup

Occasionally you may encounter a frozen keyboard or a locked screen. To reboot your computer (as if from a cold start) press and hold down the Power Button for at least four seconds, which will cause a manual shutdown. Then, restart it with a single press of the Power Button. If it still doesn't recover, press the Power Button and hold it for four seconds to shut it down, then, remove the battery or unplug the AC power for at least 30 seconds. Reinsert the battery or reconnect AC power and press the Power Button once to reboot.

Battery Operating Time

Battery operating time is affected by variables, such as the following:

Power conservation settings

Hardware configuration

Software applications

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Display brightness

Hard drive usage

Power button

Changes in operating temperature

Type and number of installed PC Cards

For more information on increasing battery pack operating time, conditioning the battery pack, and disposing of a

used battery pack, refer to the Battery Pack Operations .

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| 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

Computer Checkup

.

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.

IMPORTANT:

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.

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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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 removing the RTC battery (located on the system board) as follows:

1. Turn off the computer.

2. Disconnect the power cord.

3.

Remove the battery pack.

4.

Remove the palmrest assembly.

5.

Remove the keyboard and heatspreader.

6.

Remove the modem

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7. Remove RTC battery for 10 seconds, then replace it .

8. Reassemble the computer.

9. Turn on the computer to verify that the power-on password has been cleared.

If it has not been cleared, repeat all steps above.

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Power-On Self Test (POST)

Running POST

To run POST, turn off the computer, then turn it back on.

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 the following tables for a list of POST codes and their relevant descriptions. If there is more than one recommended action, only try the later actions in the list if the first action recommended does not solve the problem.

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.

102

162

System board failure

System options not set

XX000YZZ

201

Memory Error

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301

304

601

605

1780

1782

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Keyboard Error

Keyboard or System Unit Error

Diskette Controller Error

Diskette Drive Error

Primary Hard Drive 0 Failure

Hard Drive Controller

Power-On Self-Test Messages

102-System Board Failure

Probable Cause

DMA, timers, etc.

Recommended Action

Replace the system board .

162-System Options Not Set

Probable Cause

Configuration incorrect

Recommended Action

Run Computer Setup

.

CMOS reflects that an invalid configuration has been set.

Run Computer Setup

.

XX000YZZ 201-Memory Error

Probable cause

RAM failure

Recommended action

1. Replace the memory modules

.

2. Replace the system board .

Memory test data error

XX000YZZ RAM failure

1. Replace the memory modules

.

2. Replace the system board .

Replace the system board

.

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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

Keyboard or system board error

Recommended Action

1. Replace the keyboard.

2. Replace the TouchPad or mouse.

3.

Replace the system board .

601-Diskette Controller Error

Probable

Cause

Mismatch in drive type or failure in the diskette controller

Recommended Action

1. Run Computer Checkup

(TEST) .

2. Check and/or replace cables.

3. Replace the system board .

605-Diskette Drive Error

Probable Cause

Recommended

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Mismatch in drive type

Run Computer

Setup .

1780-Primary Hard Drive 0 Failure

Probable

Cause

Disk 0 failed to respond

Recommended Action

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

Hard drive controller failure

Recommended Action

1.

Run Computer Setup .

2.

Replace the hard drive .

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Battery Pack Operations

Compaq Diagnostics

Compaq Diagnostics is installed on the hard drive of the computer. Run the Diagnostics utilities when you want to view or test system information and if you have installed or connected devices. If you run Compaq Diagnostics from a diskette, ensure that it is version 10.11 or later.

The Diagnostics menu includes the following utilities:

Computer Setup

Computer Checkup (TEST)

View System Information (INSPECT)

Prepare Computer for a Compaq Service Call (RemotePaq)

If you have a problem you cannot solve, run the Diagnostics utilities before you call for support. Run

Computer Checkup and select to save the device list to a file and to print or to save the log of errors.

Run the View System Information (INSPECT) utility and select to print or to save that information.

Have the files or the printed information available when you call for support.

Computer Setup

The Computer Setup utility resides in a hidden partition on the hard drive. It gives you a snapshot of the computer's hardware andconfiguration, aids in troubleshooting, and allows you to set custom features.

Access Computer Setup when you want to:

Modify settings for audio, storage, communications, and input devices

Get an overall picture of the computer's hardware configuration

Verify configuration parameters in determining problems

Configure options

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To run Computer Setup:

Go to the Compaq Utilities menu and select the Computer Setup option. Follow the on-screen instructions to complete your chosen task.

Computer Checkup (TEST)

Computer Checkup (TEST) determines whether the various computer components and devices are recognized by the system and are functioning properly. 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 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 display when the testing is complete. You cannot print or save the error messages.

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Automatic Diagnostics. Runs unattended, maximum testing of each device with minimal prompts. You can choose how many times to run the tests, to stop on errors, or to print or 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 or 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)

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

ROM

Keyboard

System ports

System storage

Graphics

Memory

Audio

Operating system

System files

Windows files

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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MSG Index

| Home Page |

Notice

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Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

| Specifications

Pin Assignments

| Battery Pack Operations

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 has been resolved, do not proceed with the remaining steps.

For the removal and replacement of a particular subassembly, see Removal and

Replacement Procedures .

Select error codes by number or type:

101 through 114

200 through 215

300 through 304

401 through 403

600 through 699

1101

Processor Test

Memory Test

Keyboard Test

Parallel Printer Test

Diskette Drive Tes

t

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1701 through 1736

501 through 516

2402 through 2456

2458 through 2480

3206

8601 through 8602

3301 through 3305

6600 through 6623

Hard Drive Test

Video Test

Audio Test

Touch Pad Pointing Device Test

CD or DVD Test

Processor Test Error Codes

Error

Code

101-xx

102-xx

103-xx

104-xx

105-xx

106-xx

107-xx

108-xx

109-xx

110-xx

113-xx

114-01

200-xx

Description

CPU test failed

Coprocessor or Weitek Error

Recommended Action

Replace the processor and retest.

1. Run the Configuration and

Diagnostics Utilities.

2. Replace the processor board and retest.

Replace the system board and retest. DMA page registers test failed

Interrupt controller master test failed

Port 61 error

Keyboard controller self-test failed

CMOS RAM test failed

CMOS interrupt test failed

CMOS clock test failed

Programmable timer load data test failed

Protected mode test failed

Speaker test failed 1. Check system configuration.

2. Verify cable connections to speaker.

3. Replace the system board and retest.

Memory Test Error Codes

Memory machine ID test failed 1. Flash the system ROM and retest.

2. Replace the system board and retest.

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300-xx

301-xx

302-xx

304-xx

600-xx

601-xx

602-xx

603-xx

604-xx

605-xx

606-xx

609-xx

610-xx

697-xx

698-xx

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

202-xx

203-xx

204-xx

211-xx

214-xx

215-xx

401-xx

402-xx

403-xx

Memory system ROM checksum failed

Write/Read test failed

Address test failed

Random pattern test failed

Noise test failed

1. Remove the memory module and retest.

2. Install a new memory module and retest.

Random address test failed

Keyboard Test Error Codes

Failed ID Test

Failed Selftest/Interface Test

1. Check the keyboard connection. If disconnected, turn off the computer and connect the keyboard.

Failed Individual Key Test

2. Replace the keyboard and retest.

Failed Keyboard Repeat Test

3. Replace the system board and retest.

Printer failed or not connected

Failed Port Test

Parallel Printer Test Error Codes

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 ID drive types test failed

Diskette format failed

Diskette write, read, compare test failed

Diskette Drive Test

Diskette read test failed

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.

Diskette random read test failed

Diskette ID media failed

Diskette speed test failed

Diskette reset controller test failed

Diskette change line test failed

Diskette type error

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Diskette drive/media ID error

699-xx

1. Replace media.

2. Run the Configuration and

Diagnostics Utilities.

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| Battery Pack Operations

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 these topics:

Audio

Memory

Battery/Battery gauge

PC Card

CD or 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.

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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.

Audio Battery pack Battery gauge

CD/DVD drive

Diskette/diskette drive

Display Hard drive

Hardware installation Keyboard Memory PC card Power Printer Touchpad/pointing device

Problem

Computer does not beep after the Power-On Self-Test

(POST).

Audio Problems

Probable Cause

This is typical; it indicates successful completion of the Power-On Self-Test

(POST).

Solution(s)

No action is required.

Battery Pack and Battery Gauge Problems (see also Power 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.

1. Connect the computer to an external power source and charge the battery pack.

Battery connectors may be bent or broken.

2. 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 icon is blinking.

Battery charge is low.

Immediately save any open file(s). Then either:

Connect the computer to an external power

● source to charge the battery pack, or

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.

Battery LED icon doesn't light and battery pack won't fast charge.

Volume is turned down too low. Adjust the volume.

Battery pack is already charged.

Battery pack was exposed to temperature extremes.

No action is necessary.

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 pack is warm to the touch after charging.

Battery pack operating time is far less than the documented average operating time.

Normal warming has occurred due to charging.

Power management is turned off or disabled.

An external device or PC Card is draining the battery.

Battery pack has partially selfdischarged.

No action is required.

Enable power management in Computer Setup and in

Windows Power Properties.

Turn off or disconnect external devices when not using them.

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.

Battery pack is being exposed to high temperatures or extremely cold temperatures.

If the computer is disconnected from external power for more than two weeks, remove battery packs from the computer to reduce the discharge rate.

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.

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Problem

CD / DVD drive cannot read a compact disc.

Probable Cause

Compact disc is upside down or is improperly inserted in the CD / DVD drive.

Trying to read a CD Plus or Pregap/

Track 0 type disc with a 24x CD-

ROM drive.

Solution(s)

Open the CD / DVD loading tray, lay the compact disc in it (label side up), then close the tray.

None - these types of CD are unreadable with this drive.

Problem

Diskette drive cannot write to a diskette.

Diskette and Diskette Drive Problems

Probable Cause

Diskette is write-protected.

Computer is writing to the wrong drive.

Not enough space is left on the diskette.

Drive error has occurred.

Solution(s)

Disable the diskette's write-protect feature or use a diskette that is not writeprotected.

Check the drive letter in the path statement.

Use another diskette.

Diskette is not formatted.

Run Computer Checkup from the Compaq

Diagnostics diskette.

Format the diskette. At the system prompt, enter

Diskette drive cannot read a diskette.

The wrong type of diskette is being used.

Diskette has a bad sector.

Drive error has occurred.

Diskette is not formatted.

FORMAT A:

Use the type of diskette required by the drive.

Copy files to hard drive or another diskette. Reformat bad floppy.

Run Computer Checkup from the Compaq

Diagnostics diskette.

Format the diskette. At the system prompt, enter

Cannot boot from diskette.

FORMAT A:

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.

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C ontacting 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.

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IMPORTANT:

Ensure that there is no diskette in the diskette drive and that there are no PC Cards in the PC slots.

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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Parts

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Cable Kit Spare Part Number: 330946-001

Contains each of the cables shown.

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Description

AC Power Cord

Australia

China (PRC)

Modem cable

Australia

China (PRC)

Spare Part Number

293831-011

293831-AA1

304398-011

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To obtain the description of an item shown, position the mouse cursor over the item for a few seconds.

Miscellaneous

Plastics Kit

Spare Part Number:

330949-001

Contents:

Miscellaneous

Screw Kit

Spare Part Number

330959-001

Miscellaneous

Hardware Kit Spare

Part Number: 346853-

001

Contents:

(not shown)

4 PCMCIA Torsion

Springs

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(not shown)

4

Rubber

Plugs

Left and

Right Latches

8 Rubber Feet

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Other parts not shown:

Logo Kit

Return Kit

352887-001

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Description

Quick Restore CD

Australia

China (PRC)

Quick Reference Guide (single issue)

Quick Reference Guide (quarterly subscription)

QuickFind for Windows*, Asia Pacific Edition

QuickFind Part Number Suffix

Suffix Month Suffix Month

-001

-002

January

February

-007

-008

July

August

Spare Part

Number

388205-371

388205-AA1

162212-001

184960-001

137906-xxx

*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.

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-003

-004

-005

-006

March

April

May

June

-009

-010

-011

-012

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September

October

November

December file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...d%20ok/NOTEBOOKS/PRESARIO%201660/docume.html (2 of 2)6/27/2004 3:00:44 AM

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page |

Notice

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Preface

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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

10% 40% Event

Walking across carpet

Walking across vinyl floor

Motions of bench worker

Removing DIPS from plastic tubes

35,000 V

12,000 V

6,000 V

2,000 V

15,000 V

5,000 V

800 V

700 V

55%

7,500 V

3,000 V

400 V

400 V file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/electro.html (1 of 2)6/27/2004 3:00:44 AM

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Removing DIPS from vinyl trays

Removing DIPS from Styrofoam

Removing bubble pack from PCBs

Packing PCBs in foam-lined box

NOTE: 700 volts can degrade a product.

11,500 V

14,500 V

26,000 V

21,000 V

Return to Removal & Replacement Procedures

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4,000 V

5,000 V

20,000 V

11,000 V

2,000 V

3,500 V

7,000 V

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

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Notice

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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 reassembly of the computer.

Tool and Software Requirements

To service the computer, you need the following:

Compaq screwdriver kit (Spare Part No. 161946-001)

Torx T-9 screwdriver

3/16-inch and 5mm nut drivers (for screwlocks and standoffs)

Small, standard screwdriver

Small, Phillips screwdriver

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.

Return to Removal & Replacement Procedures

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Presario 1660 Model

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Troubleshooting

Illustrated Parts Catalog

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| 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 avoid 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 servicing 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 .

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/cblposn.html (1 of 2)6/27/2004 3:00:46 AM

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The ribbon cable position for the hard drive .

The ribbon cable position for the DVD drive.

The ribbon cable position for the diskette drive .

The cable position for the speaker assembly.

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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Comments?

Legal Notices and Privacy Statement

Revised: 15 January 1999

Products Service Worldwide Compaq.com

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page |

Notice

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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

Palmrest

Assembly

Keyboard and heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Before removing or replacing any components, the following procedures

must be completed:

1. Disconnect AC power and any external devices.

2. Remove the battery pack.

3. Remove any PC Cards.

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

1660 Model Portable Computers into the battery compartment.

Do not force the battery pack into the bay if insertion does not occur easily.

CAUTION: 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.

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Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

NOTE:

The Compaq Presario 1660 Model Portable Computers have several screws of various sizes which are not 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 associated sub-assembly.

privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/prpdiss.html (2 of 2)6/27/2004 3:00:46 AM

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

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To remove the battery pack, complete the following steps:

1. Slide the battery pack compartment door down and remove it from the battery pack.

Next Step

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page

| Notice

| Preface |

Product Description

|

Troubleshooting

Illustrated Parts Catalog

| Removal & Replacement Procedures

| Specifications

Pin Assignments

|

Battery Pack Operations

Removing the Palmrest Assembly

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

The

Palmrest

Assembly must be removed to gain access to any of the interior components of the computer, and it is the first component that has to be removed to gain access to the interior components.

To remove the

Palmrest

Assembly, complete the following steps: file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...%20ok/NOTEBOOKS/PRESARIO%201660/rmvpalm.html (1 of 2)6/27/2004 3:00:48 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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privacy and legal statement

1.

Prepare the computer for disassembly

.

2. Close the computer and turn it upside down.

3. Remove seven screws from the bottom of the computer.

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...%20ok/NOTEBOOKS/PRESARIO%201660/rmvpalm.html (2 of 2)6/27/2004 3:00:48 AM

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| Home Page |

Notice

|

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

| Specifications

Pin Assignments

| Battery Pack Operations

Removing the Keyboard and Heatspreader

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...%20ok/NOTEBOOKS/PRESARIO%201660/rmvkybd.html (1 of 2)6/27/2004 3:00:49 AM

The keyboard and heatspreader are best removed together.

1. Prepare the computer for disassembly

.

2. Remove the

palmrest assembly .

3. Lift up the front of the keyboard and place the keyboard upside-down in the palmrest cavity.

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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| Notice |

Preface |

Product Description

| Troubleshooting

Illustrated Parts Catalog

| Removal & Replacement Procedures

|

Specifications

Pin Assignments

| Battery Pack Operations

Removing the Processor

Electrostatic

Discharge

Service

Consideration

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

To remove the processor, complete the following steps:

1.

Prepare the computer for disassembly

.

2. Remove the

palmrest assembly

.

3. Remove the

keyboard and heatspreader

.

4. Rock the processor back and forth just a little until it comes out of the processor chassis slot.

To reinsert the processor: file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...%20ok/NOTEBOOKS/PRESARIO%201660/rmvprcss.html (1 of 2)6/27/2004 3:00:50 AM

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Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger

Board

Modem

Display

Panel

Assembly

Speaker

Assembly

Diskette

Drive

Fan Assembly

System

Board

Memory

Module

Align the screw holes (on the processor) nearest the speakers with the corresponding screw sockets on the system board, then push the processor in carefully but firmly.

CAUTION:

If the processor is not correctly aligned with the socket, the connectors on either the processor or the system board will be bent out of alignment.

The processor or board will then be destroyed, and will need to be replaced.

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Maintenance & Service Guide

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Notice

| Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

|

Specifications

Pin Assignments

|

Battery Pack Operations

Removing the Hard Drive

Electrostatic

Discharge

Service

Consideration

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

To remove the hard drive, complete the following steps:

1. Prepare the

computer for disassembly .

2. Remove

the Palmrest

Assembly .

3. Remove

the keyboard and heatspreader

.

4. Remove two screws from the hard drive mounting bracket and lift up the hard drive.

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Battery

Charger

Board

Modem

Display

Panel

Assembly

Speaker

Assembly

Diskette

Drive

Fan Assembly

System

Board

Memory

Module

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|

Notice |

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures

| Specifications

Pin Assignments |

Battery Pack Operations

Removing the Upper CPU Cover

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

To remove the Upper

CPU cover complete the following steps:

1. Prepare the

computer for disassembly

.

2. Remove the

palmrest assembly

.

3. Remove the

keyboard and heatspreader .

4. Remove the

hard drive .

5. Remove the

display panel

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DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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privacy and legal statement

assembly

.

6. Remove four screws holding the cover to the chassis.

7. Lift the

Upper CPU

Cover off the chassis.

To replace the Upper

CPU Cover, reverse the previous steps.

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Maintenance & Service Guide

Presario 1660 Model

MSG Index |

Home Page

| Notice

| Preface |

Product Description |

Troubleshooting

Illustrated Parts Catalog

| Removal & Replacement Procedures

| Specifications

Pin Assignments

|

Battery Pack Operations

Removing the DVD Drive

Electrostatic

Discharge

Service

Consideration

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

To remove the DVD drive, complete the following steps:

1. Prepare the

computer for disassembly .

If a CD or

DVD disc is jammed in the drive, remove it manually.

2. Remove the

Palmrest

Assembly

.

3. Remove the

keyboard and heatspreader

.

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...ed%20ok/NOTEBOOKS/PRESARIO%201660/rmvCD.html (1 of 2)6/27/2004 3:00:52 AM

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Battery

Charger

Board

Modem

Display

Panel

Assembly

Speaker

Assembly

Diskette

Drive

Fan Assembly

System

Board

Memory

Module

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privacy and legal statement

4. Remove the upper

CPU cover

.

5. Remove the screw at the back end of the DVD drive near the edge of the system board.

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...ed%20ok/NOTEBOOKS/PRESARIO%201660/rmvCD.html (2 of 2)6/27/2004 3:00:52 AM

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page

|

Notice |

Preface |

Product Description |

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures |

Specifications

Pin Assignments

| Battery Pack Operations

Removing the Battery Charger Board

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

To remove the battery charger board, complete the following steps:

1. Prepare the

computer for disassembly .

2. Remove the

Palmrest

Assembly .

3. Remove the

keyboard and heatspreader .

4. Remove the

hard drive

.

5. Remove the screw from the middle of the battery charger board.

6. Unplug the battery charger board from the connector on the file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvbchb.html (1 of 2)6/27/2004 3:00:53 AM

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Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement system board, and lift it out of the chassis.

To replace the battery charger board, reverse the previous steps.

NOTE:

When replacing the battery charger board, ensure the pins are aligned with the sockets on the system board connector before pressing the board in place.

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvbchb.html (2 of 2)6/27/2004 3:00:53 AM

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Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

4. Remove the two screws securing the modem to the system board.

5. Pull the file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvmdm.html (1 of 2)6/27/2004 3:00:54 AM

To remove the modem, complete the following steps:

1. Prepare the

computer for disassembly

.

2. Remove the

Palmrest

Assembly .

3. Remove the

keyboard and heatspreader

.

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

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privacy and legal statement modem off the connector on the left-hand side of the system board.

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Maintenance & Service Guide

Presario 1660 Model

MSG Index |

Home Page

|

Notice |

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures

| Specifications

Pin Assignments |

Battery Pack Operations

Removing the Display Panel Assembly

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvdisp.html (1 of 2)6/27/2004 3:00:55 AM

To remove the display panel assembly, complete the following steps:

1.

Prepare the computer for disassembly

.

2. Remove the

Palmrest

Assembly .

3. Remove the

keyboard and heatspreader .

4. Remove the

modem

.

5. Pull up the hinge covers and

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement

carefully pry the covers off the chassis.

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvdisp.html (2 of 2)6/27/2004 3:00:55 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

Upper CPU

Cover

To remove the speaker assembly, complete the following steps:

1. Prepare the

computer for disassembly

.

2. Remove

the palmrest assembly .

3. Remove

the keyboard and heatspreader .

4. Remove

the hard drive

.

5. Remove file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvspkr.html (1 of 2)6/27/2004 3:00:56 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement

the charger board

.

6.

Disconnect the speaker cables from the system board and remove the speaker assembly from the chassis.

To replace the speaker assembly, reverse the previous procedures.

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvspkr.html (2 of 2)6/27/2004 3:00:56 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page

|

Notice

| Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog

|

Removal & Replacement Procedures

|

Specifications

Pin Assignments

|

Battery Pack Operations

Removing the Diskette Drive

Electrostatic

Discharge

Service

Consideration

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

To remove the diskette drive, complete the following steps:

1.

Prepare the computer for disassembly .

2. Remove

the palmrest assembly

.

3. Remove

the keyboard and heatspreader

.

4. Remove

the hard drive

.

5. Remove

the Upper

CPU cover .

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/rmvfpy.html (1 of 2)6/27/2004 3:00:57 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Upper CPU

Cover

DVD Drive

Battery

Charger

Board

Modem

Display

Panel

Assembly

Speaker

Assembly

Diskette

Drive

Fan Assembly

System

Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement

6. Remove

the charger board .

7. Remove

the speakers.

8. Disconnect the diskette drive data cable from the system board by pulling out the cable lock lip about 1 or 2 mm at each end, then removing the cable .

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/rmvfpy.html (2 of 2)6/27/2004 3:00:57 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index |

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

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

To remove the fan assembly, complete the following steps:

1. Prepare the

computer for disassembly .

2. Remove the

palmrest assembly .

3. Remove the keyboard and heatspreader .

4. Remove the

display panel assembly .

5. Remove the

hard drive .

6. Remove the

Upper CPU cover

.

7. Unplug the file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/rmvfan.html (1 of 2)6/27/2004 3:00:59 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement fan cable and lift the fan assembly from the chassis slot.

To replace the fan assembly, reverse the previous steps.

NOTE

Be sure to insert the fan as shown in the figure, to prevent damage to the cable.

Removing the

Fan Gasket file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/rmvfan.html (2 of 2)6/27/2004 3:00:59 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index |

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

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drive

Upper CPU

Cover

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

To remove the system board, complete the following steps:

1. Prepare the computer for disassembly .

2. Remove the

palmrest assembly .

3. Remove the

keyboard and heatspreader

.

4. Remove the

hard drive

.

5. Remove the

Upper CPU Cover

.

6. Remove the

DVD drive .

7. Remove the

battery charger board

.

8. Remove the

modem

.

9. Remove the

display panel assembly .

10. Disconnect the

speaker assembly

cables.

11. Remove the diskette drive .

12. Remove the fan

.

13. Remove the processor

.

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvsybd.html (1 of 2)6/27/2004 3:01:00 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

1.800.AT.COMPAQ

privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...d%20ok/NOTEBOOKS/PRESARIO%201660/rmvsybd.html (2 of 2)6/27/2004 3:01:00 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index

| 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

Palmrest

Assembly

Keyboard and

Heatspreader

Processor

Hard Drives

DVD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

To remove the memory module, complete the following steps:

1.

Prepare the computer for disassembly

.

2. Close the computer and turn it upside down.

3. Remove the screw from the memory module door and pull the file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...%20ok/NOTEBOOKS/PRESARIO%201660/rmvdimm.html (1 of 2)6/27/2004 3:01:00 AM

"Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide -

Upper CPU

Cover

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Memory

Module

1.800.AT.COMPAQ

privacy and legal statement door off.

Next Step file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20ch...%20ok/NOTEBOOKS/PRESARIO%201660/rmvdimm.html (2 of 2)6/27/2004 3:01:00 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index |

Home Page

| Notice

|

Preface

|

Product Description |

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures

|

Specifications

Pin Assignments

|

Battery Pack Operations

Specifications (continued)

Physical and environmental

System I/O Address

Diskette drive

DVD drive

System Interrupts

System Memory Catalog

Hard drive

Battery pack

System I/O Address

System I/O Address

I/O Address (Hex) System Function (Shipping Configuration)

0000h-000Fh

0010h-001Fh

Direct memory access controller

In use by unknown device

0020h-0021h

0022h-003Fh

0040h-0043h

0044h-005Fh

0060h-0060h

0061h-0061h

0062h-0063h

0064h-0064h

0065h-006Fh

0070h-0071h

0072h-0073h

0074h-007Fh

0080h-0080h

0081h-008Fh

0090h-009Fh

00A0h-00A1h

00A2h-00BFh

Programmable interrupt Controller

In use by unknown device

System timer

In use by unknown device

Standard 101/102-Key or Microsoft Natural

Keyboard

System speaker

In use by unknown device

Standard 101/102-Key or Microsoft Natural

Keyboard

In use by unknown device

System CMOS/real time clock

Motherboard resources

In use by unknown device

Motherboard resources

Direct memory controller

In use by unknown device

Programmable interrupt controller

In use by unknown device

System DMA

Display

CD drive

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec2.html (1 of 3)6/27/2004 3:01:02 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

00C0h-00DFh

00E0h-00EBh

00ECh-00EFh

00F0h-00FFh

0120h-0121h

0170h-0177h

0170h-0177h

01F0h-01F7h

0170h-0177h

0200h-0200h

0220h-02FFh

02F8h-02FFh

0330h-0331h

0376h-0376h

0376h-0376h

0378h-037Fh

0388h-038Fh

03B0h-03BBh

03C0h-03DFh

03F0h-03F5h

03F6h-03F6h

03F6h-03F6h

03F7h-03F7h

03F8h-03FFh

04D0h-04D1h

0530h-0537h

0CF8-0CFFh

2180h-218Fh

8000h-803Fh

FCD0h-FCD7h

FCD0h-FCDFh

FCD8h-FCDFh

FCE0h-FCFFh

Direct memory access Controller

In use by unknown device

Motherboard resources

Numeric data processor

NeoMagic MagicWave 3DX Sound System

Intel 82371AB/EB PCI Bus Master IDE controller

Secondary IDE controller (dual fifo)

Intel 82371AB/EB PCI Bus Master IDE controller

Primary IDE controller (dual fifo)

Gameport Joystick

NeoMagic MagicWave 3DX Sound System

Compaq Presario 56K-DF

NeoMagic MagicWave 3DX Sound System

Intel 82371AB/EB PCI Bus Master IDE controller

Secondary IDE controller (dual fifo)

Printer Port (LPT1)

NeoMagic MagicWave 3DX Sound System

NeoMagic MagicMedia 256AV

NeoMagic MagicMedia 256AV

Standard Floppy Disk Controller

Intel 82371AB/EB PCI Bus Master IDE controller

Primary IDE controller (dual fifo)

Standard Floppy Disk Controller

Communications Port (COM1)

Motherboard resources

NeoMagic MagicWave 3DX Sound System

PCI bus

Motherboard resources

Motherboard resources

Primary IDE controller (dual fifo)

Intel 82371AB/EB PCI Bus Master IDE Controller

Secondary IDE controller (dual fifo)

Intel 82371AB/EB PCI to USB Universal Host

Controller

System Memory Catalog

System Memory Catalog

Memory Address System Function

00000000h-0009FFFFh System board extension for PnP BIOS

000A0000h-000AFFFFh NeoMagic MagicMedia 256AV

000B0000h-000BFFFFh NeoMagic MagicMedia 256AV

000C0000h-000CBFFFh NeoMagic MagicMedia 256AV

000E0000h-000E7FFFh Motherboard resources file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec2.html (2 of 3)6/27/2004 3:01:02 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

000E8000h-000FFFFFh System board extension for PnP BIOS

00100000h-03FFFFFFh System board extension for PnP BIOS

06000000h-06000FFFh Texas Instruments PCI-1211 CardBus Controller

F6000000h-F6FFFFFFh NeoMagic MagicMedia 256AV

F6000000h-F7BFFFFFh Intel 82443BX Pentium II Processor to AGP

Controller

F7800000h-F7BFFFFFh NeoMagic MagicMedia 256AV Audio

F8000000h-F83FFFFFh Intel 82443BX Pentium II Processor to PCI bridge

FE700000h-FE7FFFFFh NeoMagic MagicMedia 256AV Audio

FE700000h-FECFFFFFh Intel 82443BX Pentium II Processor to AGP

Controller

FE800000h-FEBFFFFFh NeoMagic MagicMedia 256AV

FEC00000h-FECFFFFFh NeoMagic MagicMedia 256AV

FFF80000h-FFFFFFFFh Motherboard resources

Display

Model

Dimensions

Height

Width

Display Dimensions

Height

Width

Depth

Weight

Contrast Ratio

Brightness

Total Power

Consumption, W

Sharp LQ133XILH05

U.S.

13.3" TFT Display

Metric

Sanyo TM133XG-

02L02

U.S.

Metric

7.98 in

10.64 in

202.8mm

270.3mm

7.98 in

10.64 in

202.8mm

270.3mm

8.43 in

11.18 in

0.28 in

214.0mm

284.0mm

7.0mm

19.0 oz 540 grams

150:1

120 cd/mm³

3.5

8.43 in

11.46 in

0.27 in

214.0mm

291.0mm

6.8mm

18.3 oz 520 grams

120:1

100 cd/mm³ not available

LG LP133X4-A

U.S.

7.98 in

10.64 in

Metric

202.8mm

270.3mm

8.46 in

11.18 in

0.27 in

215.0mm

284.0mm

6.9mm

18.3 oz 520 grams

150:1

120 cd/mm³

3.08

Compaq Home Search

Comments?

Legal Notices and Privacy Statement

Revised: 15 January 1999

Products Service Worldwide Compaq.com

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec2.html (3 of 3)6/27/2004 3:01:02 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

COMPAQ

United States June 27, 2004

STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US |

SEARCH

Maintenance & Service Guide

Presario 1660 Model

MSG Index

| Home Page

| Notice |

Preface

| Product Description

|

Troubleshooting

Illustrated Parts Catalog |

Removal & Replacement Procedures

| Specifications

Pin Assignments

|

Battery Pack Operations

Specifications (continued)

Physical and environmental

System I/O Address

Diskette drive

DVD drive

System Interrupts

System Memory Catalog

Hard drive

Battery pack

System DMA

Display

CD drive

Diskette Drive

Diskette Drive

Model

Capacity per Diskette (High/Low)

1.0MB

Diskette Size

Number of LED Indicators (Read/

Write)

Drive Rotation (rpm)

Transfer Rate (Kbps)

KBytes per Sector [Sector]

KBytes per Track [Sector]

KBytes per Disk [Sector]

300

250

0.256[16]

0.512[9]

1.024[5]

4.096[16]

4.608[9]

5.120[5]

655.36[16]

737.28[9]

819.20[5]

Number of Read/Write Heads

Mitsumi D353F3

1.6MB

None

360

500

0.256[26]

0.512[15]

1.024[8]

6.656[26]

7.680[15]

8.192[8]

1064.96[26]

1228.80[15]

1310.72[8]

2

2.0MB

300

500

0.256[32]

0.512[18]

1.024[10]

8.192[32]

9.216[18]

10.24[10]

1310.72[32]

1474.56[18]

1638.40[10]

Hard Drive file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec3.html (1 of 3)6/27/2004 3:01:03 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

Model

Capacity Per Drive

Logical Configuration

Cylinders

Heads

Sectors per track

Bytes per sector

Typical Seek Times, ms

(including settling)

Single track

Average

Full stroke

Transfer Rate

At interface

Hitachi

DK238A-

43

4327MB

8955

4

N/A

512

Hard Drive

IBM

DKLA-

24320

4320MB

Fujitsu

MHF2043AT

4340MB

IBM

DADA-

26480

6480MB

8944

15

63

512

8647

4

N/A

512

13424

15

63

512

Hitachi

DK228A-

65

6490MB

Fujitsu

MHE2064AT

6490MB

8955

6

N/A

512

8647

6

N/A

512

N/A

12ms

N/A

16.6MB/ sec (max)

4ms

13ms

23ms

16.6MB/ sec (max)

2.5ms

13ms

23ms

33.3MB/sec

(U-DMA)

4ms

12ms

23ms

16.6MB/ sec (max)

N/A

12ms

N/A

16.6MB/ sec (max)

2.5ms

13ms

23ms

33.3MB/sec

(U-DMA)

CD Drive

Model

Dimensions

Weight

Maximum Rotational Speed

Typical Sustained Data Transfer

Rate

Average Random Access Time

Spin Up Time

Data Buffer Capacity

DVD Drive

CD-ROM Drive

XM-1802B

128 x 12.7 x

129 mm

5.04 x

0.5 x

5.08 in

Mitsumi SR242S1 Sanyo CDR-U242-Z

128 x 12.7 x

129 mm

5.04 x

0.5 x

5.08 in

128 x 12.7 x

129 mm

5.04 x

0.5 x

5.08 in

0.230kg

8.11 oz 0.27kg

9.52 oz < 0.270kg

< 9.52 oz

24x 24x 24x

3600kB/sec (max)

110ms

2.7sec (max)

128kB

3600kB/sec (max)

120ms n/a

128kB

3600kB/sec

120ms

<10sec

256kB

Model

Dimensions

Weight

Rotational Speed

Typical Sustained Data Transfer

Rate

DVD-ROM Drive

Sanyo DRD-U220 Panasonic SR-8171

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in

128 x 12.7 x 127 mm

< 0.280kg < 9.87 oz 0.290kg

5.04 x 0.5 x 5.00 in

10.2 oz

2.4x

3240KB/sec (max)

2.0x (max)

2700KB/sec (max)

Toshiba SD-C2102

128 x 12.7 x 129 mm

0.280kg

5.04 x 0.5 x 5.08 in

9.87 oz

2.4x

1352-3268KB/sec file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec3.html (2 of 3)6/27/2004 3:01:03 AM

Compaq.com - Compaq Presario 1660 Model Maintenance and Service Guide

Typical Average Random Access

Time

Spin Up Time

Data Buffer Capacity

180ms

< 10sec

256kB

180ms

4sec

512kB

Battery Pack

Lithium Ion (Li ion) Battery Pack

Dimensions

Height

Length

Width

Weight

Energy

Nominal Open Circuit Voltage

Ah rating

Capacity

0.8 in (20.3 mm)

5.7 in (145 mm)

3.1 in (78.7 mm)

0.90 Ib (408.2 g) standard: 14.4 V enhanced: 14.8 V standard: 2600 mAh enhanced:

3000 mAh standard: 37.5 Wh enhanced: 44.5

Wh

Environmental Requirements

Operating Temperature

Non-operating Temperature

Charging Temperature

50°F to 95° F (10°C - 35°C)

32°F to 140°F (0°C - 60°C)

41°F to 113°F (5°C - 45°C)

Compaq Home Search

Comments?

Legal Notices and Privacy Statement

Revised: 15 January 1999

Products Service Worldwide Compaq.com

160ms

N/A

128kB file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOKS/PRESARIO%201660/spec3.html (3 of 3)6/27/2004 3:01:03 AM

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