Compaq XL390, XL381, XL380, XL280 Service Manual

Download

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Before You

Begin

Assignments

Removal &

Replacement

Product

Description

Battery & Power

Management

Parts

Catalog

Specifications

Troubleshooting

MSG Index

Welcome to the Maintenance & Service Guide (MSG)

Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1800XL Series Notebook Computers. This online guide is designed to serve the needs of technicians whose job is to repair Compaq products.

For copyright and trademark information, refer to the Notice

section of this MSG. To locate your unit’s serial number, to see symbol conventions, or to view technician’s notes, see the

Preface

For comments or questions about the contents of this MSG, contact Compaq

. This MSG is updated online as needed.

To report a technical problem, contact your Regional Support Center or IM Help Center.

For help on navigating in this guide, refer to Using this Guide

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Using this Guide

To use this guide effectively, refer to the list of bookmarks at the left of the screen. These bookmarks help you navigate through the document quickly and easily. They are accessible from anywhere in the Maintenance and Service Guide (MSG).

Viewing a Chapter

Click one of the bookmarks or one of the color-coded bubbles on the Welcome page

to view

a chapter of this MSG.

Expanding & Hiding Topics

Click the + to expand or show the contents of a section, or click the – to hide the contents.

Opening another Chapter

Return to the Welcome page

by clicking the bookmark, Back to MSG Contents, and then

click the bookmark or color-coded bubble for another chapter.

Printing the MSG

For portable copies of this MSG, you can print single pages, multiple pages, or the entire guide. In the Acrobat Reader, click File, and then Print... for printing options.

2 P

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Before You Begin

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.

Compaq, Presario 1800 Series, Registered with the U.S. Patent and Trademark Office.

Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation. Windows 98 and Windows 2000 are trademarks 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 1800 Series Notebook Computer

Second Edition (September 2000)

Compaq Computer Corporation

privacy and legal statement

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

EFORE YOU BEGIN

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Preface

The Maintenance and Service Guide is a troubleshooting guide for use as a reference when servicing Compaq Presario 1800 Series Notebook Computers.

Compaq Computer Corporation reserves the right to make changes to Compaq Presario 1800 Series Notebooks without notice.

Symbols

The following words and symbols alert you to special messages throughout this guide.

WARNING: Text set off in this manner indicates that a failure to follow the 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 the directions in the caution could result in damage to equipment or loss of data.

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

Note: Text set off in this manner presents comments 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 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 otherwise valid warranty.

2 B

EFORE YOU BEGIN

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Serial Number

The unit’s serial number parts. The serial number is located on the underside of the Notebook as shown below.

is required when requesting information or ordering spare

Locating Additional Information

The following documentation is available to support this product:

• Compaq Presario 1800 Series Notebook documentation set

• Introducing Windows 98 Guide

• Introducing Windows 2000 Guide

• Service Training Guides

• Compaq Service Advisories and Bulletins

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

EFORE YOU BEGIN

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Product Description

This chapter describes the features of each of the Presario 1800XL Series Notebooks. It also provides illustrations of the exterior components unique to these units.

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

RODUCT DESCRIPTION

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Models and Features

Compaq Presario 1800 Series Portable Computer Models

Features XL280* XL380*

Display TFT 14.1 in

TFT/LVD 15 in

Processor 600 MHz 256 K Cache

650 MHz 256 K Cache

Hard Drive 6.0 GB

12 GB

CD or DVD Drive

24X 2C CD-ROM 6X DVD 8X DVD

Modem 56 K Data/Fax 56 K PCI Data/Fax

Networking 10/100 TX Integrated

Ethernet

Battery 3.2 Li-ion Enhanced 3.6 Li-ion Enhanced

Memory 64 MB PC100 128 MB PC100

TFT 15.0 in

PIII 700 MHz 256 K Cache

15.0 GB

8X DVD

10/100 TX Integrated Ethernet

Features XL381* XL390*

Display TFT 15.0 in TFT 15.0 in

Processor PIII 700 MHz 256K Cache PIII 850 MHz 256K Cache

Hard Drive 15 GB 20.0 GB

CD or DVD

8X DVD 8X DVD

Drive

Modem 56 K PCI Data/Fax 56 K PCI Data/Fax

Networking 10/100 TX Integrated

Ethernet

10/100 TX Integrated Ethernet

Battery 3.6 Li-ion Enhanced 3.6 Li-ion Enhanced

Memory 128 MB PC100 128 MB PC100

*All models have a 3.5” Diskette Drive which uses 1.44 MB Diskettes.

2 P

RODUCT DESCRIPTION

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Front of Unit

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

# Description # Description

Display Release Latch

Display

Power (On/Off) Button

Keyboard

TouchPad

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

Integrated Speakers

TouchPad Button (Left)

Scroll Up/Down Button

TouchPad Button (Right)

Model Number

1800 S

ERIES

RODUCT DESCRIPTION

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Internet Zone Buttons and Lights

Model XL280

# Description # Description

AC Adapter Light

Caps Lock Light

Instant Internet Access

Instant E-mail Access

My Presario Instant Access

Power Button

Instant Search Button

Online Marketplace (U.S./Puerto Rico)

Instant Answer (outside the U.S.)

Retail Central (U.S./Puerto Rico)

Instant E-Commerce (outside the U.S.)

Num Lock Light

Scroll Lock Light

4 P

RODUCT DESCRIPTION

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Model XL3xx

# Description # Description

AC Adapter Light

Caps Lock Light

Instant Internet Access

Instant E-mail Access

My Presario Instant Access

Power Button

Digital Audio Button

Entertainment Button

Retail Central Button

Num Lock Light

Scroll Lock Light

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

RODUCT DESCRIPTION

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

Front Bezel Components

and XL390

# Description # Description

Previous Track Button

Next Track Button

Sleep Status Icon

Power Status Icon

Battery Charging Status Icon

DisqPlay Status Icon

Battery Gauge

DisqPlay On/Off Button

Volume Down Button

Volume Up Button

Play/Pause Button

Stop Button

6 P

RODUCT DESCRIPTION

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Left-Side Components

Note: XL3xx models have silver lids.

Models: XL280, XL380, XL381,

and XL390

# Description # Description

Security Slot

CD or DVD Drive

CD/DVD Drive Eject Button

CD or DVD Manual Eject Hole

Diskette Drive

Diskette Drive Eject Button

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

RODUCT DESCRIPTION

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

Right-Side Components

and XL390

Note: XL3xx models have silver lids.

# Description # Description

Battery Compartment

PC Card Eject Button

PC Card Slot

Headphone Jack

Microphone Jack

Modem Port

Ethernet Port

8 P

RODUCT DESCRIPTION

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Underneath the Unit

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

# Description # Description

Pop-Up Foot

Serial Number

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

Memory Compartment

Pop-Up Foot

1800 S

ERIES

RODUCT DESCRIPTION

Rear Connectors

Note: XL3xx models have silver lids.

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

# Description # Description

Keyboard/Mouse Port

AC Adapter Connector

Parallel Port

QuikDock Connector

Fan Vent

TV-Out Connector

External Monitor Port

Serial Ports

Universal Serial Bus Port

10 P

RODUCT DESCRIPTION

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Optional QuikDock

Components

# Description

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

QuikDock Interface Connector

QuikDock Guide Posts

Connectors

# Description # Description # Description

Universal Serial Bus Port

Power (AC Adapter) Port

Keyboard/Mouse Port

Parallel Port

Game Port

Serial Port

External Monitor Port

10/100 TX Ethernet Port

S-Video Port

TV-Out (Composite Video)

Audio-Out

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

RODUCT DESCRIPTION

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

Specifications

Physical and Environmental

Specification U.S. Metric

Height Depth Width

Weight with 14.1-in. Display with 15.0-in. Display

Battery Power Requirements Nominal Operating Maximum Average Peak Operating

AC Power Requirements Operating Voltage Operating Current Operating Frequency Maximum Transient

Temperatur e* Operating Non-operating

Relative Humidity (noncondensing) Operating Non-Operating (wb = 38.7 C max)

Altitude Operating Non-operating

Shock Operating Non-operating

Vibration Operating Non-Operating

and XL390

1.63 in.

12.99 in.

11.02 in.

4.14 cm

33.00 cm

28.00 cm

7.8 lb 3.54 kg

Li-ion 3.2 AHr W @ 14.8 V W @ 14.8 V W @ 14.8 V

Li-ion 3.6 AHr W @ 14.8 V W @ 14.8 V W @ 14.8 V

100-240 V

0.8/0.4 A RMS 47-63 Hz (Meets IEC801-4 & -5) 1kV for 50 ns

41 - 131°F

-4 - 140°F

5 - 55 C

-20 - 60 C

8% - 90% 5% - 95%

-1000 - 10000 ft

-1000 - 40000 ft

-300 - 3000 m

-300 - 12000 m

150 G / 2 ms (half sine) 700 G / 1 ms (half sine)

1 G 5 G

*Applicable safety standards specify thermal limits for plastic surfaces.

Presario 1800XL Notebooks operate well within this temperature range.

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PECIFICATIONS

System Interrupts

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Hardware IRQ

System Function

Hardware IRQ

System Function

IRQ 0 System timer IRQ 10 Available

IRQ 1 Standard 101/102-key or

Microsoft Natural Keyboard

IRQ 2 Programmable Interrupt

Controller

IRQ 11 Intel® Pro/100S Mobile LAN

on Motherboard

IRQ 11 Texas Instruments PCI-1410

CardBus Controller

IRQ 3 Lucent 56K V.90 PCI DF Modem IRQ 11 ACPI IRQ Holder for PCI IRQ

Steering

IRQ 3 ACPI IRQ Holder for PCI IRQ

Steering

IRQ 11 Intel

USB Universal Host Controller

82371AB/EB PCI to

IRQ 4 Communications Port (COM1) IRQ 11 ACPI IRQ Holder for PCI IRQ

Steering

IRQ 5 ESS SOLO-1 PCI AudioDrive IRQ 12 Synaptics PS/2 TouchPad

IRQ 5 ACPI IRQ Holder for PCI IRQ

IRQ 13 Numeric Data Processor

Steering

IRQ 5 RAGE Mobility AGP (English) IRQ 14 Intel

82371AB/EB PCI Bus

Master IDE Controller

IRQ 6 Standard Floppy Disk Controller IRQ 14 Primary IDE Controller (Dual

FIFO)

IRQ 7 Printer Port (LPT1) IRQ 15 Intel

82371AB/EB PCI Bus

Master IDE Controller

IRQ 8 System CMOS/Real Time Clock IRQ 15 Secondary IDE Controller

(Dual FIFO)

IRQ 9 SCI IRQ used by ACPI Bus

System DMA

Hardware DMA

DMA 1 ESS SOLO-1 DOS Emulation

DMA 2 Standard Floppy Disk Controller

DMA 4 Direct Memory Access Controller

2 S

PECIFICATIONS

System Function

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

System I/O Addresses

I/O Address System Function (Shipping Configuration)

0000h-000Fh Direct Memory Access Controller

0020h-0021h Programmable Interrupt Controller

0040h-0043h System Timer

0060h-0060h Standard 101/102-Key or Microsoft Natural

Keyboard

0061h-0061h System Speaker

0062h-0062h ACPI Embedded Controller

0064h-0064h Standard 101/102-Key or Microsoft Natural

Keyboard

0066h-0066h ACPI Embedded Controller

0070h-0071h System CMOS/Real Time Clock

0081h-008Fh Direct Memory Controller

00A0h-00A1h Programmable Interrupt Controller

00C0h-00DFh Direct Memory Access Controller

00F0h-00FEh Numeric Data Processor

0170h-0177h Intel® 82371AB/EB PCI Bus Master IDE Controller

0170h-0177h Secondary IDE Controller (Dual FIFO)

01F0h-01F7h Intel® 82371AB/EB PCI Bus Master IDE Controller

01F0h-01F7h Primary IDE Controller (Dual FIFO)

0200h-0203h Gameport Joystick

0220h-022Fh ESS SOLO-1 DOS Emulation

0330h-0331h ESS SOLO-1 DOS Emulation

0376h-0376h Secondary IDE Controller (Dual FIFO)

0376h-0376h Intel® 82371AB/EB PCI Bus Master IDE Controller

0378h-037Fh Printer Port (LPT1)

0388h-038Bh ESS SOLO-1 DOS Emulation

03B0h-03BBh RAGE Mobility AGP (English)

03C0h-03DFh RAGE Mobilty AGP (English)

03F0h-03F5h Standard Floppy Disk Controller

03F6h-03F6h Intel® 82371AB/EB PCI Bus Master IDE Controller

and XL390

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PECIFICATIONS

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

I/O Address System Function (Shipping Configuration)

03F6h-03F6h Primary IDE Controller (Dual FIFO)

03F7h-03F7h Standard Floppy Disk Controller

03F8h-03FFh Communications Port (COM1)

04D0h-04D1h Motherboard Resources

0CF8h-0CFFh PCI Bus

1000h-10FFh Lucent 56K V.90 PCI DF Modem

1400h-143Fh ESS SOLO-1 PCI AudioDrive

1440h-147Fh Intel® PRO/100 S Mobile LAN on Motherboard

1480h-149Fh Intel

14A0h-14A7h Primary IDE Controller (Dual FIFO)

14A0h-14AFh Intel

14A8h-14AFh Secondary IDE Controller (Dual FIFO)

14B0h-14BFh ESS SOLO-1 PCI AudioDrive

14C0h-14CFh ESS SOLO-1 PCI AudioDrive

14D0h-14D7h Lucent 56K V.90 PCI DF Modem

14D8h-14DBh ESS SOLO-1 PCI AudioDrive

14DCh-14DFh ESS SOLO-1 PCI AudioDrive

2180h-218Fh Motherboard Resources

8000h-803Fh Motherboard Resources

9000h-9FFFh Intel® 82443BX Pentium® II Processor to AGP

9000h-90FFh RAGE Mobility AGP (English)

82371AB/EB PCI to USB Universal Host

Controller

82371AB/EB PCI Bus Master IDE Controller

Controller

4 S

PECIFICATIONS

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

System Memory Catalog

Memory Address System Function

000A0000h-000AFFFFh RAGE Mobility-M1 AGP (English)

000B0000h-000BFFFFh RAGE Mobility-M1 AGP (English)

000C0000h-000CFFFFh RAGE Mobility-M1 AGP (English)

04000000h-04000FFFh Texas Instruments PCI-1410 CardBus Controller

04001000h-04001FFFh Intel

04100000h-F041FFFFh Intel® PRO/100 S Mobile LAN on Motherboard

F4101000h-F41010FFh Lucent 56K V.90 PCI DF Modem

F4200000h-F4200FFFh RAGE Mobility-M3 AGP (English)

F4200000h-F5FFFFFFh Intel

F4220000h-F423FFFFh RAGE Mobility AGP (English)

F5000000h-F5FFFFFFh RAGE Mobility AGP (English)

F8000000h-FBFFFFFFh Intel® 82443BX Pentium® ll Processor to PCI bridge

FFF80000h-FFFFFFFFh Motherboard Resources

and XL390

PRO/100 S Mobile LAN on Motherboard

82443BX Pentium® ll Processor to AGP Controller

Memory Expansion

System

Memory

64 MB None 64 MB

64 MB 32 MB 96 MB

64 MB 64 MB 128 MB

64 MB 128 MB 192 MB

64 MB 256 MB 320 MB

Expansion

Board Memory

Total

Memory

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PECIFICATIONS

Display

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Specification

Unit Height Unit Width

Display Height Display Width

Weight 24.36 oz (690 g) 24.36 oz (690 g) 19.94 oz (565 g)

Contrast Ratio 150:1 150:1

Brightness 120 cd/mm

Response Time 50 ms or less 50 ms or less

Refresh Rate 60 Hz or better 60 Hz or better 60 Hz or better

Power 4.5 mA or less 4.5 mA or less 4.5 mA or less

Diskette Drive

Specification

Capacity per Diskette (High/Low) 1.44 MB/720 KB

Diskette Size 3.5 in.

Number of LED Indicators (Read/Write)

Number of Drives Supported 1

Drive Rotation (rpm) 300

Transfer Rate (Kbps) 500

Bytes per Sector 512

Sectors per Track (High/Low) 18/9

Tracks per Side (High/Low) 80

15.0-in. TFT with LVDS

9.48 in. (24.05 cm)

12.43 in. (31.55 cm)

8.99 in. (22.81 cm)

11.98 in. (30.41 cm)

15.0-in. TFT/SXGA with LVDS

9.48 in. (24.05 cm)

12.43 in. (31.55 cm)

8.99 in. (22.81 cm)

11.98 in. (30.41 cm)

120 cd/mm

Value

14.1-in. TFT with LVDS

8.92 in. (22.65 cm)

11.76 in. (29.85 cm)

8.44 in. (21.43 cm)

11.26 in. (28.57 cm)

120 cd/mm

6 S

PECIFICATIONS

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Hard Drive

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Specification

6.0 GB 10.0 GB 12.0 GB

Drive Type Ultra DMA Ultra DMA Ultra DMA

Height Width* Depth Weight*

9.5 mm

69.85-70.0 mm

100.0 mm 92-98 g

9.5 mm

69.85-70.0 mm

100.0 mm 94-98 g

9.5 mm

70.0 mm

100.0 mm 92-98 g

Seek Times* (typical): Read/Write (incl. settling) Single Track Full Stroke

13 ms 3 ms 24 ms

13 ms

1.5-3 ms 23-24 ms

13 ms 3 ms 24 ms

Transfer Rate at Interface Ultra DMA mode (max)

66.6 MB/s 66.6 MB/s 66.6 MB/s

Rotational Speed 4200 rpm 4200 rpm 4200 rpm

Interface* ATA-2/3/4/5 ATA-2/3/4/5 ATA-2/3/4/5

Buffer Size* 256-512 KB 512-1024 KB 512 KB

Specification

15.0 GB 20.0 GB 32.0 GB

Drive Type Ultra DMA Ultra DMA Ultra DMA

Height Width* Depth Weight*

9.5 mm

70.0 mm

100.0 mm 92-98 g

9.5 mm

69.85-70.0 mm

100.0 mm

99.0 g

9.5 mm

70.0 mm

100.0 mm

99.0 g

Seek Times* (typical): Read/Write (incl. settling) Single Track Full Stroke

13 ms

3.0 ms 24 ms

12.0-13.0 ms

2.5-3.0 ms

23.0-24.0 ms

12.0 ms

2.5 ms

23.0 ms

Transfer Rate at Interface Ultra DMA mode (max)

66.6 MB/s 66.6 MB/s 66.6 MB/s

Rotational Speed 4200 rpm 4200 rpm 5411

Interface* ATA-2/3/4/5 ATA-2/3/4/5 ATA-5

Buffer* 512 KB 1024-2048 KB 2048 KB

*Specifications vary by vendor/brand.

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PECIFICATIONS

Battery Pack

Specification 3.2 AHr Li-ion 3.6 AHr Li-ion

Type Lithium Ion Enhanced Lithium Ion Enhanced

Height Length Width

Weight 0.90 lb (408.2 g) 0.90 lb (408.2 g)

Operating Lifetime >3 hr* >3 hr*

Nominal Open Circuit Voltage Capacity Power

Temperature Requirements Operating Non-operating Charging

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

0.8 in. (20.3 mm)

5.7 in. (145 mm)

3.1 in. (78.7 mm)

14.4 V

3.2 Ahr

43.2 WH

0–50 C

-20–60 C 5–45 C

0.8 in. (20.3 mm)

5.7 in. (145 mm)

3.1 in. (78.7 mm)

14.4 V

3.6 Ahr

43.2 WH

0–50 C

-20–60 C 5–45 C

*The battery operating lifetime depends on your power management settings,

system components, options, and applications.

CD/CD-RW/DVD Drive

Specification

Dimensions 128 x 129 x

Weight 280 g 265-270 g 300 g 180-270 g

Rotational Speed Approx.* 1200-4670

Sustained Data Transfer Rate (typical)*

Random Access Time (Avg.) 140 ms 90-100 ms 150 ms 90-180 ms

Spin Up time <15 s 2.0-2.5 s <10 s 2.7-2.8 s

Data Buffer Capacity 512 KB 128 KB 2 MB 128 KB

*Specifications vary by vendor/brand.

6X DVD 8X DVD CD-RW 24X CD-ROM

12.7 mm

128 x 126.1 x

12.7 mm

128 x 129 x

12.7 mm

4200 rpm

rpm

4463-10820

(CD)

2100 KB/s 1545-3600

KB/s

128 x 129 x

12.7 mm

4225-5200 rpm

KB/s

8 S

PECIFICATIONS

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Pin Assignments

This chapter provides the pin assignments for Presario 1800XL Series Notebook connectors. For additional information about connectors or external ports, refer to

Rear Connectors

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

Parallel Connector

and QuikDock Connectors.

Pin Signal Pin Signal

1Strobe* 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 Line Feed*

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

*Signal is active low.

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PIN A

SSIGNMENTS

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

TV-Out (Composite Video) Connector

Pin Signal

1Ground

2 Composite

3Ground

Universal Serial Bus (USB) Connector

Pin Signal Pin Signal

1+5V 3Data +

2 Data - 4 Ground

Keyboard/Mouse Connector

Pin Signal Pin Signal

1 Data 1 4 +5 V

2 Data 2 5 Clock 1

3Ground 6 Clock 2

2 PIN A

SSIGNMENTS

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Modem Connector

Pin Signal Pin Signal

1 Unused 4 Unused

2 Tip 5 Unused

3 Ring 6 Unused

External VGA Monitor Connector

Pin Signal Pin Signal

1Red Analog 9 +5V

2 Green Analog 10 Ground

3 Blue Analog 11 Monitor Detect

4 Not connected 12 DDC2B Data

5 Ground 13 Horizontal Sync

6 Ground Analog 14 Vertical Sync

7 Ground Analog 15 DDC2B Clock

8 Ground Analog

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

PIN A

SSIGNMENTS

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Game Port Connector

Note: the game port connector is available only on the optional QuikDock device.

Pin Signal Pin Signal

1+5V 9+5V

2 SWA 10 SWC

3 RBTA 11 RBTC

4 GND 12 RMSO

5GND 13RBTD

6 RBTB 14 SWD

7SWB 15RMSI

8 +5V

Serial Connector

Pin Signal Pin Signal

1 Carrier Detect 6 Data Set Ready

2 Receive Data 7 Ready to Send

3 Transmit Data 8 Clear to Send

4 Data Terminal Ready 9 Ring Indicator

5 Signal Ground 5 Signal Ground

4 PIN A

SSIGNMENTS

RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE

1800 S

ERIES

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

QuikDock Connector

Pin Signal Pin Signal Pin Signal Pin Signal

1 Adapter Power 22 Serial Port DCD 43 Keyboard Clock 64 Reserved

2 Adapter Power 23 Serial Port DSR 44 Keyboard Data 65 Head-phone

Sense

3 Adapter Power 24 Serial Port TXD 45 Mouse Clock 66 USB Power

4 Adapter Power 25 Serial Port RTS 46 Mouse Data 67 USB Power

5 Adapter Power 26 Monitor DDC 47 Lp Indicator 68 USB Power

6 Adapter Power 27 Monitor DDC 48 Lp Paper End 69 USB Power

7 Not Connected 28 Monitor Indicator 49 Lp Init 70 USB A-

8 Printer Data 0 29 V. S Y N C 50 Lp Busy 71 USB A+

9 Printer Data 1 30 Ground 51 Lp Error 72 USB B-

10 Printer Data 2 31 H. SYNC 52 Lp Acknowledge 73 USB B+

11 Printer Data 3 32 Ground 53 Lp AutoFeed 74 5V

12 Printer Data 4 33 Blue 54 Lp Strobe 75 5V

13 Printer Data 5 34 Ground 55 Joystick Data A 76 Line-Out Left

14 Printer Data 6 35 Green 56 Joystick Data B 77 S-Video SYR

15 Printer Data 7 36 Ground 57 Joystick Data C 78 Ground

16 Lp Select 37 Red 58 Joystick Data D 79 S-Video SCG

17 QuikDock

Indicator

18 Serial Port RXD 39 Composite TV-Out 60 Switch B

19 Serial Port RI 40 Line-Out Right 61 Switch C

20 Serial Port DTR 41 Line-Out Present 62 Switch D

21 Serial Port CTS 42 Reserved 63 Reserved

38 Ground 59 Switch A 80 Ground

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SSIGNMENTS

Presario 1800/1800T Series

Models: XL280, XL380, XL381,

and XL390

Battery and Power Management

This chapter describes power management and proper battery operating practices for Presario 1800XL Series Notebooks. These practices include conservation of AC power and extending the operating life of the battery. The following sections also outline proper methods to start and shut down the Notebook in various situations.

Power Modes

Presario 1800XL Series Notebooks have three levels of low power: Hibernation, Standby, and Off.

Hibernation

Hibernation mode helps conserve battery life and protect data. The Notebook automatically enters Hibernation mode when the battery has little power left or when the Notebook (operating on battery power) is in Standby mode for more than one hour. As the Notebook enters Hibernation, it automatically stores the contents of its memory to the hard drive before shutdown. When the Notebook wakes from Hibernation, it returns to its former state.

Note: When the Notebook enters or wakes from Hibernation mode, a Progress window is displayed.

To activate Hibernation mode, press the Power ª button once.

button once.

To resume from Hibernation mode, press the Power

Standby

Standby is a low-power mode, also referred to as Sleep mode. The Notebook maintains system information and open files while in Standby mode. Selecting Standby instead of turning off the Notebook when you have finished working has two advantages: 1. It allows the Notebook to wake up faster; 2. It saves more power than the Active-On mode.

CAUTION: Unsaved information is lost if the Notebook is turned off prior to system wake-up, or if a power loss occurs while using the AC adapter.

To activate Standby/Sleep mode, press Fn+F4 or click Start, click Shut Down, and then select Standby from the options.

To resume from Standby/Sleep mode, press any key.

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Full Off

Off mode consumes no power. However, the battery charges while the Notebook is in Off mode if the battery is installed and the Notebook remains plugged into external AC power.

Note: Unsaved information is lost if the Notebook is shut down without saving the data.

To activate Off mode, click the Start button on the Windows taskbar, click Shut Down, and then select Shut down from the options.

button once.

To restart the Notebook from Off mode, press the Power

CAUTION: The Notebook must be in Off mode (completely shut down) when installing or replacing components. Follow the instructions for putting the

Notebook into Off mode, unplug it from the outlet, and remove the battery pack before servicing any parts.

Summary of Power Modes

The following table outlines the procedures for entering and exiting the various power modes and the external indicators for each mode.

Standby Mode Hibernation Mode Off Mode

Automatic Activation

Manual Activation

Resume/ Exit

Indicators Power light flashes

*The Notebook will not automatically enter Standby or Hibernation mode if using AC power. **Important: The Manual Shutdown procedures are not recommended unless the Standard

Shutdown is unsuccessful.

15 minutes if using battery power* (preset default)

Press Fn+F4 key combination or click Start on the Windows taskbar, Shut Down, and then Standby.

Press any key. Press the Power

and Moon appears on status display.

é icon

When battery is low or after 1 hour of Standby* (preset default)

Press the Power ª button once.

button once.

Power light is off, screen is blank, and Power icon does not appear on status display.

Standard Shutdown: click Start on the Windows taskbar, Shut Down, and then select shut down.

Manual Shutdown**: Press and hold down the Power

OR Press Fn+Power (press

and hold the Fn key then press the Power button).

Press the Power ª button once.

Power light is off, screen is blank, and Power does not appear on status display.

ª button for 4 sec.

ª icon

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Power Settings

Power management modes can be initiated based on the amount of time passed since the last system activity. System activity includes keyboard strokes, mouse movement, CD/DVD playback, or modem use.

Power Schemes

Different patterns of Notebook use determine the level of power management needed. Power management settings can be selected using several predefined Power Schemes. To access these options, select Power Management on the Control Panel, then click the Power Schemes tab. The default Power Schemes are Home/Office Desk, Portable/Laptop, and Always On. Power Schemes can also be customized by changing the following options:

• System Standby: length of inactivity before the Notebook goes into Standby mode.

• Turn Off Monitor: length of inactivity before the screen times out and goes blank.

• Turn Off Hard Disks: length of inactivity before the hard drive goes into low-power

mode.

• Hibernate: length of inactivity before the Notebook goes into Hibernation mode.

Important: The setting for the Hard Disk must be less than or equal to the setting for the System. If the Notebook is on a network, Compaq recommends that System Standby be set to Never.

The following table shows the default settings for each Power Scheme.

Power Scheme Always On

AC Power

System Standby Turn OFF Monitor Turn OFF Hard Disks Hibernate

Battery Power

System Standby Turn OFF Monitor Turn OFF Hard Disks Hibernate

Never 20 minutes Never Never

Never 15 minutes 30 minutes Never

Portable/ Laptop

Never 3 hours 15 minutes Never

15 minutes Never 10 minutes 1 hour

Home/ Office Desk

Never 20 minutes Never Never

5 minutes 5 minutes 10 minutes 20 minutes

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Alarms

The Notebook can be set to alarm when the battery power level is reduced or when it reaches a critically low level. The Notebook can also be set to enter a low-power mode when the battery reaches a specific power level.

CAUTION: The settings on the Alarms tab are preset for the Notebook to run at optimum efficiency. Changing any of these settings may cause the Notebook to

function improperly. It is recommended that these settings be left at their default values.

Default Alarm Settings

Setting Low Battery Critical Battery

Alarm power level 10% 0%

Notification Sound No Action

Power Mode No Action Hibernation

Active Enabled Enabled

SpeedStep Technology

SpeedStep Technology features several options for processor response to low-power conditions. These include the following settings:

• Maximum Performance: always at high speed

• Battery Optimized: always at low speed

• Reversed: opposite recommended

• Recommended: performance on AC, Battery-Optimized on Battery

• Disabled: no run-time support, high speed

SpeedStep options can be accessed in three ways:

• Access F10 Setup during startup and select the Advanced screen.

• Click the Start>Settings>Control Panel>Power Options>Intel(R)

SpeedStep

• Double-click the Flag icon on the Windows taskbar to open the Intel(R)

SpeedStep

(TM)

technology tab.

(TM)

technology dialog box.

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Rebooting After a Lockup

To reboot the Notebook when the keyboard is frozen or the screen is locked, press and hold down the Power Then, restart the Notebook with a single press of the Power

If the Notebook still does not recover, press the Power

button for at least four seconds; this causes the Notebook to shutdown.

button.

button and hold for four seconds to shut it down, then remove the battery and unplug the AC power for at least 30 seconds. Reinsert the battery or reconnect AC power and press the Power

button once to reboot.

Recovering From a Loss of Electrical Power

Loss of electrical power causes the Notebook to turn off automatically. This may cause loss of data because the Microsoft Windows operating system is not able to close all files and programs properly.

Loss of power may be caused by one of the following:

• Electrical power service is interrupted.

• The power cord is accidentally disconnected.

If power surges or sags, the display and status lights may flicker, and the Notebook may automatically restart. If an improper shutdown occurs, the Microsoft Windows utility program, ScanDisk, runs automatically once power is restored. ScanDisk determines whether the improper shutdown caused any errors on the hard disk. These errors may occur if the Microsoft Windows operating system is not able to close all files properly before the shutdown. If no errors are found, the restart process continues. If ScanDisk does detect errors, follow the instructions on the screen to continue the restart process. Work that was not saved before the loss of power or shutdown may be lost.

If a power failure occurs, or the power cord disconnects while the Notebook is turned on, turn it off until normal service is restored. The next time the Notebook is turned on, ScanDisk may run to check the hard disk for errors caused by improper shutdown.

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Increasing Battery Pack Operating Time

Battery pack operating life is affected by several variables. To avoid unnecessary replacement, consider the following when determining how long a charged battery pack should last:

• Power conservation settings

• Hardware configuration

• Software applications

• Installed options

• Display brightness

• Hard drive usage

• Changes in operating temperatures

• Type and number of installed PC Cards

Note: Power consumption requirements for PC cards vary widely. Some cards drain the battery pack very rapidly.

Battery pack operating life can be increased by as much as 50 percent by controlling the energy required by the Notebook and the energy stored in the battery pack.

Minimizing the Energy Required

To minimize the energy required by the Notebook, follow these guidelines:

• Set the power conservation levels in the Power Management utility to Maximum.

• Customize the time-out value to work more efficiently with the applications. The

length 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 Notebook 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.

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Conditioning a Battery Pack

CAUTION: To avoid losing data, Make sure that all information is saved before completely 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 status display disappears. The battery gauge may read 100% for a period of time before the arrow disappears.

Note: Do not unplug the AC adapter until the arrow disappears.

2. Unplug the AC adapter and allow the battery to drain until the Notebook enters Hibernation mode. The Notebook can be used normally during this process.

Note: If the AC adapter is connected while the battery is draining, the process must be repeated beginning with step 1.

The battery is now reconditioned. Plug in the AC adapter and begin using the Notebook.

The table below shows typical battery charging times.

Li-ion Enhanced Battery Pack

Computer On Line 4.75 hours

Computer Off Line 3.00 hours

Charge Time

Disposing of a Used Battery Pack

In the interests 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, it also exposes potentially

harmful battery components.

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Troubleshooting

This chapter covers troubleshooting and resolving common problems associated with Compaq Presario 1800XL Series Notebooks. The basic steps in troubleshooting include:

1. Preparing the Notebook for troubleshooting as outlined in Preliminary Steps

on the

following page.

2. Performing the Power-On Self-Test (POST)

and observing any error messages

displayed.

Note: If the Notebook is unable to complete POST or an error message is displayed, skip to Step 3 below to try to resolve the problem.

3. Taking the recommended steps described later in this chapter to solve the problems.

When following the recommended actions provided in POST

and Diagnostic Error Codes, perform the steps in the order listed above. Rerun POST after each recommended action until the problem is solved, even if no error message occurs. Once the problem is solved, do not perform any remaining recommended solutions.

Note: If the problem is intermittent, check the Notebook several times to be sure that the problem is resolved.

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Preliminary Steps

Before running POST, complete the following steps:

1. If a Power-on password is established, type the password and press the Enter key. If you do not know the password, clear the password (see Clearing the Power-On

Password later in this chapter).

2. Run Compaq Diagnostics

3. Turn off the Notebook and its external devices.

4. Disconnect any external devices you do not want to test.

Note: 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

Notebook, the problem may be related to the external device or its cable. Verify this by running POST

both 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 that the hard drive is installed in the Notebook.

7. Ensure that the battery pack is installed and the Notebook is connected to an external AC power source.

When these preliminary steps are completed, run POST

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Clearing the Power-On Password

CAUTION: Clearing the Power-on password also removes all setup attributes that are programmed in the CMOS.

If you do not know the Power-on password, clear it by performing the following steps:

1. Turn off the Notebook.

2. Disconnect the power cord.

3. Remove the battery

4. Remove the Palmrest cover

5. Remove the keyboard

6. Remove the heat sink

7. Locate the CMOS switch to the right of the CD/DVD drive on the system board.

8. Slide the black switch to the right

holding it in this position for at least 15 seconds

to ensure that the password is cleared.

9. Reassemble the Notebook (refer to the Removal and Replacement

chapter later in

this MSG).

10. Turn on the Notebook to verify that the Power-on password has been cleared. If it has not been cleared, repeat this procedure.

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Power-On Self-Test (POST)

To run POST, complete these steps:

Turn off the Notebook, then turn it on again. As soon as the Compaq logo appears, press the ESC key to display the POST messages as they occur. Remember any POST error codes that are displayed.

If the Notebook does not beep, POST has successfully completed its test and detected no errors. The Notebook will automatically restart.

Note: If a bootable diskette is installed in the diskette drive, the system will boot from the diskette instead of the hard drive.

However, if POST detects errors, the Notebook will beep and/or display a text message.

Note: If the Notebook is not functioning well enough to complete POST, or the display is unable to show POST error messages, refer to the section Solving Minor Problems in this chapter.

later

POST Error Messages

A list of the POST error codes and their descriptions is shown in the tables below.

102-System Board Failure

Probable Cause Recommended Action

DMA, timers, and so on Replace the system board

162–System Options Not Set

Probable Cause Recommended Action

Incorrect configuration Run Setup.

CMOS reflects an invalid

Run Setup.

configuration setting.

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

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XX000YZZ 201–Memory Error

Probable Cause Recommended Action

Memory failure

301-Keyboard Error

Probable Cause Recommended Action

Keyboard failure

304–Keyboard or System Unit Error

1. Replace the memory

modules.

2. Replace the system board

1. Make sure the keys are not depressed during POST.

2. With the Notebook in Full-Off mode, reconnect the keyboard.

3. Replace the keyboard

Probable Cause Recommended Action

Keyboard or system board error

1. Replace the keyboard

2. Replace the TouchPad

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 Checkup (TEST)

2. Check or replace cables

3. Replace the system board

605–Diskette Drive Error

Probable Cause Recommended Action

Mismatch in drive type

1. Run Setup.

2. Check or replace cables

3. Replace the diskette drive

4. Replace the system board

. .

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1780–Primary Hard Drive 0 Failure

Probable Cause Recommended Action

Disk 0 failed to respond

Hard drive format error

1782–Hard Drive Controller

Probable Cause Recommended Action

Hard drive controller failure

1. Run Checkup (TEST)

2. Replace the hard drive

1. Run Checkup (TEST).

2. Replace the hard drive

1. Run Setup.

2. Replace the hard drive

Compaq Diagnostics

Compaq Diagnostics utilities come pre-installed on 1800XL Series Notebooks. Run the diagnostic utilities to view or test system information and external devices. If you run Compaq Diagnostics from a diskette, be sure that the diagnostic program is version 10.11 or later.

The Diagnostics menu includes the following utilities:

• Checkup (TEST)

• View System Information (INSPECT)

• Prepare Notebook for a Compaq Service Call (RemotePaq)

Customers are encouraged to run the Diagnostics utilities to try to solve a problem before calling for support. Checkup (TEST) to a file and printing or saving the error log. The View System Information (INSPECT)

should be run with the options for saving the device list

utility should also be run with the option for printing or saving the information. Customers should have these files or the printed information available when calling for support.

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Checkup (TEST)

TEST is included on the Compaq Diagnostics Diskette. TEST determines if the various Notebook components and devices are recognized by the system and are functioning properly. You can display, print, or save the information generated by TEST.

Follow these steps to run TEST:

1. Plug the Notebook into an external power source. (A low-battery condition could interrupt the program.)

2. Turn on the external devices you want to test. Connect the printer if you want to print a log of error messages.

3. Insert the Compaq Diagnostics Diskette in the diskette drive.

4. Turn on or restart the Notebook. The Notebook boots from the diskette, and after a few seconds, the diagnostics Welcome screen is displayed.

5. Press Enter to continue. The Diagnostics menu is displayed.

6. Select Computer Checkup from the Diagnostics menu. The Test Option menu is displayed.

7. Select View the Device List from the Test Option menu. A list of installed Compaq devices is displayed.

8. If the list of installed devices is correct, select OK. The Test Option menu is displayed.

Note: If the list is incorrect, ensure that any new devices are installed properly and run Checkup again.

9. Select one of the following from the Test Option menu:

• Quick Check Diagnostics. Runs a quick, general test on each device with

minimal 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 how many times to run the tests, stop on errors, or print or save a log of errors.

• Prompted Diagnostics. You can choose attended or unattended testing. Allows

the most control over testing options. You can choose to stop on errors, or choose to print or save a log of errors.

Continued on the next page.

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10. Follow the on-screen instructions as the devices are tested. When testing is complete, the Test Option menu is displayed.

11. Exit the Test Option and Diagnostics menus.

View System Information (INSPECT)

The INSPECT utility provides information about the Notebook and installed or connected devices. You can display, print, or save the information.

Follow these steps to run INSPECT from the Compaq Diagnostics Diskette:

1. Turn on the external device(s) you want to test. Connect the printer if you want to print the information.

2. Insert the Compaq Diagnostics Diskette in the diskette drive.

3. Turn on or restart the Notebook. The Notebook boots from the diskette, and after a few seconds, the diagnostics Welcome screen is displayed.

4. Press Enter to continue. The Diagnostics menu is displayed.

5. Select View System Information (INSPECT) from the Diagnostics menu. The following list is displayed:

System Memory

ROM Audio

Keyboard Operating system

System ports System files

System storage Windows files

Graphics

6. Select the item you want to view and follow the on-screen instructions to cycle through the screens, return to the list and choose another item, or print the information.

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Diagnostic Error Codes

Diagnostic error codes are displayed if the system recognizes a problem while running the

Compaq Diagnostics

damaged or defective.

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 complete any remaining steps.

Note: Some of the solutions provided in this chapter involve replacing Notebook components. Refer to the specific Removal and Replacement component.

Select error codes by number or type:

program. These error codes help identify subassemblies that may be

procedures later in this guide for each

101 - 114: Processor Test (pg 10)

•

200 - 215: Memory Test (pg 10)

•

300 - 304: Keyboard Test (pg 11)

•

401 - 403: Parallel/Printer Test (pg 11)

•

501 - 516: Video Test (pg 14)

•

600 - 699: Diskette Drive Test (pg 12)

•

1101: Serial Test (pg 12)

•

1701 - 1736: Hard Drive Test (pg 13)

•

2402 - 2418: Video Test (pg 15)

•

2419 - 2480: Video Test (pg 16)

•

3206: Audio Test (pg 16)

•

3301 - 6623: DVD or CD Test (pg 17)

•

8601 - 8602: TouchPad Test (pg 17)

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Processor Test Error Codes

Error Code Description Recommended Action

101-xx CPU test failed Replace the processor

102-xx Coprocessor or Weitek Error

1. Run the Configuration and Diagnostics utilities.

2. Replace the processor

103-xx DMA page registers test failed The following solution applies to error

104-xx Interrupt controller master test

failed

codes 103-xx through 113-xx:

Replace the system board

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 speakers.

3. Replace the system board

and retest.

Error Code Description Recommended Action

200-xx 202-xx

203-xx Write/Read test failed The following steps apply to error codes

204-xx Address test failed

211-xx Random pattern test failed

214-xx Noise test failed

215-xx Random address test failed

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Memory Test Error Codes

Memory machine ID test failed Memory system ROM checksum failed

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1. Flash the system ROM and retest.

2. Replace the system board

and retest.

203-xx through 215-xx:

1. Remove the memory module

and

retest.

2. Install a new memory module

and

retest.

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Keyboard Test Error Codes

Error Code Description Recommended Action

300-xx Failed ID Test The following steps apply to error codes

301-xx Failed Self-Test/Interface Test

302-xx Failed Individual Key Test

304-xx Failed Keyboard Repeat Test

Parallel/Printer Test Error Codes

Error Code Description Recommended Action

401-xx Printer failed or not connected The following steps apply to error codes

402-xx Failed Port Test

403-xx Printer pattern test failed

300-xx through 304-xx:

1. Check the keyboard connection. If disconnected, turn off the Notebook and reconnect the keyboard.

2. Replace the keyboard

3. Replace the system board

and retest.

401-xx through 403-xx:

1. Connect the printer.

2. Check power to the printer.

3. Install loopback connector on printer port and retest.

4. Check port and IRQ configuration.

5. Replace the system board

and retest.

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Diskette Drive Test Error Codes

Error Code Description Recommended Action

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

697-xx Diskette type error

698-xx Diskette drive speed not within

limits

699-xx Diskette drive/media ID error

The following steps apply to error codes 600-xx through 698-xx:

1. Replace the diskette media and retest.

2. Check and/or replace the diskette drive cables and retest.

3. Replace the diskette drive

4. Replace the system board

1. Replace media.

2. Run the Configuration and Diagnostics utilities.

and retest. and retest.

Error Code Description Recommended Action

1101-xx Serial port test failed

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Serial Test Error Codes

1. Check port configuration.

2. Replace the system board

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Hard Drive Test Error Codes

Error Code Description Recommended Action

1701-xx Hard drive format test failed The following steps apply to error codes

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

1701-xx through 1736-xx:

1. Run the Configuration and Diagnostics utilities and verify drive type.

2. Verify that all secondary drives have secondary drive capability.

3. Replace the hard drive

4. Replace the system board

and retest.

*ECC = Error Correction Code

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Video Test Error Codes

Error Code Description Recommended Action

501-xx Video controller test failed The following steps apply to error codes

502-xx Video memory test failed

503-xx Video attribute test failed

504-xx Video character set test failed

505-xx Video 80 x 25 mode 9 x 14

character cell test failed

506-xx Video 80 x 25 mode 8 x 8

character cell test failed

507-xx Video 40 x 25 mode test failed

508-xx Video 320 x 200 mode color set

0 test failed

509-xx Video 320 x 200 mode color set

1 test failed

510-xx Video 640 x 200 mode test

failed

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

501-xx through 516-xx:

1. Disconnect external monitor and test with the Notebook display.

2. Replace the display assembly

and

retest.

3. Replace the system board

and retest.

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Video Test Error Codes

Error Code Description Recommended Action

2402-xx Video memory test failed The following steps apply to error codes

2403-xx Video attribute test failed

2404-xx Video character set test failed

2405-xx Video 80 x 25 mode 9 x 14

character cell test failed

2406-xx Video 80 x 25 mode 8 x 8

character cell test failed

2408-xx Video 320 x 200 mode color set

0 test failed

2409-xx Video 320 x 200 mode color set

1 test failed

2410-xx Video 640 x 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

2402-xx through 2418-xx:

1. Run the Configuration and Diagnostics utilities.

2. Replace the display assembly

and

retest.

3. Replace the system board

and retest.

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Video Test Error Codes

Error Code Description Recommended Action

2419-xx ECG/VGC ROM checksum test

failed

2421-xx ECG/VGC 640 x 200 graphics

mode test failed

2422-xx ECG/VGC 640 x 350 16-color set

test failed

2423-xx ECG/VGC 640 x 350 64-color set

test failed

2424-xx ECG/VGC monochrome text

mode test failed

2425-xx ECG/VGC monochrome graphics

mode test failed

2431-xx 640 x 480 graphics test failure

2432-xx 320 x 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 failed The following solution applies to error

2468-xx Advanced VGA DAC test failed

2477-xx Advanced VGA data path test

failed

2478-xx Advanced VGA BitBLT test failed

2480-xx Advanced VGA LineDraw test

failed

The following steps apply to error codes 2419-xx through 2456-xx:

1. Run the Configuration and Diagnostics utilities.

2. Disconnect external monitor and test with the Notebook display.

3. Replace the display assembly

and

retest.

4. Replace the system board

and retest.

codes 2458-xx through 2480-xx:

Replace the system board

and retest.

Error Code Description Recommended Action

3206-xx Audio System Internal Error Replace the system board

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Audio Test Error Codes

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TouchPad Interface Test Error Codes

Error Code Description Recommended Action

8601-xx Mouse test failed The following steps apply to error codes

8602-xx Interface test failed

DVD or CD Drive Test Error Codes

Error Code Description Recommended Action

3301-xx DVD or CD drive read test failed The following steps apply to error codes

3305-xx DVD or CD drive seek test failed

6600-xx ID test failed

6605-xx Read test failed

6608-xx Controller test failed

6623-xx Random read test failed

8601-xx through 8602-xx:

1. Replace the TouchPad

2. Replace the system board

and retest.

3301-xx through 6623-xx:

1. Replace the DVD or CD media and retest.

2. Verify that the speakers cables are properly connected.

3. Verify that drivers are loaded and properly installed.

4. Replace the CD/DVD drive

5. Replace the system board

and retest.

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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.

CAUTION: Carefully match the symptoms against the problem described 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.

Select from the following to diagnose and solve problems related to each topic:

Audio Keyboard/Numeric Keypad

Battery Memory

CD or DVD Drive PC Card

Diskette Drive Power

Display Printer

Hard Drive TouchPad

Hardware Installation

Before Replacing Parts

• Verify that all cables are properly connected to the parts that are to be tested.

• Run 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.

• Check the printer connection.

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Solving Minor Problems

Some problems and possible solutions are outlined in the following tables. If the problem appears to be related to a software application, check the documentation provided with the software.

Audio Solutions

A common audio problem and solution are listed in the following table.

Audio

Problem Probable Cause Solution

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

This is typical; it indicates successful completion of the Power-On Self-Test (POST).

(POST).

Battery Pack/Gauge Solutions

No action is required.

Some causes and solutions for common battery pack problems are listed in the following table. Power Solutions

later in this chapter may also be applicable to the following

problems.

Battery Pack/Gauge

Problem Probable Cause Solution(s)

Notebook won’t turn on when battery pack is inserted and power cord is unplugged.

Battery pack is discharged.

•

Connect the Notebook 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 that they are evenly spaced and not bent or broken.

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Battery Pack/Gauge

Problem Probable Cause Solution(s)

Notebook is beeping and battery ( icon is blinking.

Battery ( icon on the front of the unit blinks to indicate low-battery condition, but Notebook does not beep.

Battery charging icon doesn’t light and battery pack won’t fast charge.

You have to set the date and time every time you turn on the Notebook.

Battery charge does not last as long as expected.

;

)

Battery charge is low. Immediately save any open

)

Volume is turned down too low.

Battery pack is already charged.

Battery pack was exposed to temperature extremes.

Battery pack is at the end of its life.

RTC battery is dead. Replace the RTC battery.

Battery is exposed to high or extremely cold temperatures.

file(s). Then complete one of the following steps:

•

Connect the Notebook to an external power source to charge the battery pack.

•

Turn off the Notebook or initiate Hibernation until you can find another power source or charge the battery pack.

Adjust the volume.

No action is necessary.

Allow time for the battery pack to return to room temperature.

Replace the battery pack

Keep the battery pack within the recommended temperature range for operation or storage.

•

Operating Range: 50°F to 104°F (10°C to 40°C)

•

Storage Range: -4°F to 86°F (-20°C to 30°C)

Recharge the battery pack.

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Battery Pack/Gauge

Problem Probable Cause Solution(s)

Battery charge does not last as long as expected.

Battery pack is warm to the touch after charging.

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

Battery has partially self-discharged.

Power management is disabled.

An external device or PC Card is draining the battery.

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 self-discharged.

Battery pack is exposed to high or extremely cold temperatures.

Recharge the battery. Discharge the battery completely and then recharge it.

Set a power management level in Setup.

Turn off or disconnect external devices when not in use.

No action is required.

Enable power management in Setup and in Windows Power Properties.

Turn off or disconnect external devices when not in use.

Condition the battery pack by fully charging, fully discharging, then fully recharging it. To maintain the charge, leave battery packs in the Notebook when it is connected to external power. If the Notebook is disconnected from external power for more than two weeks, remove battery packs from the Notebook to reduce the discharge rate.

Keep the battery pack within the recommended temperature range for operation or storage.

•

Operating Range: 50°F to 104°F (10°C to 40°C)

•

Storage Range: -4°F to 86°F (-20°C to 30°C)

Recharge the battery pack.

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CD and DVD Drive Solutions

Some causes and solutions for CD and DVD drive problems are listed in the following table.

CD or DVD Drive

Problem Probable Cause Solution(s)

CD or DVD drive cannot read a Compact Disc or Digital Versatile

Disc is upside down or is improperly inserted in the CD or DVD drive.

Disc.

CD is CD Plus or Pregap/Track 0 type.

Diskette Drive Solutions

Some causes and solutions for diskette drive problems are listed in the following table.

Diskette Drive

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

Cannot read these type CDs in 24X. Remove the CD.

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.

Notebook is writing to the wrong drive.

Not enough space is left on

Check the drive letter in the path statement.

Use another diskette.

the diskette.

Drive error has occured. Run TEST 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 diskette.

Drive error has occurred. Run TEST from the Compaq

Diagnostics diskette.

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Diskette Drive

Problem Probable Cause Solution(s)

Diskette drive cannot read a diskette.

Cannot boot from diskette.

Display Solutions

This section lists some causes and solutions for common Notebook display and external monitor problems.

You can perform a monitor self-test on an external VGA color or monochrome monitor by completing the following steps:

1.Turn off the monitor.

Diskette is not formatted. Format the diskette. At the

system prompt, enter FORMAT A:

Bootable diskette is not in the diskette drive.

Diskette Boot has incorrect setting in Setup.

Put the bootable diskette in the diskette drive.

Run Setup and set diskette as first to boot.

2.Turn off the Notebook.

3.Disconnect the monitor signal cable from the Notebook.

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.

Display

Problem Probable Cause Solution(s)

Screen is dim. Brightness control

(if applicable) is not set properly.

The Notebook display is in direct sunlight.

Screen is blank. Screen saver was initiated or

display was turned off by Power Management due to lack of user activity.

Adjust the display brightness by using Fn+F7 or Fn+F8.

Tilt the display or move the Notebook.

Press any key or touch the TouchPad.

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Display

Problem Probable Cause Solution(s)

Display has overheated. Turn off the Notebook, and if

necessary move it out of direct sunlight to allow it to cool.

Display is blank and the Standby

icon is

flashing.

Notebook display is blank and the screen on an external monitor displays information.

Notebook display flashes or has garbled characters when Notebook is connected to external monitor.

The light tubes on the edge of the display panel do not light up at all and the Power-On Self-Test (POST) completes on startup.**

The light tubes on the edge of the display panel do not light up at all and the Power-On Self-Test does not complete on startup.**

System is in Standby mode. Press any key or touch the

TouchPad.

Display function was switched to the external monitor.

Press Fn+F3 to switch between the external monitor and the Notebook display (you may have to press more than once).

The external monitor is set for

Restart the Notebook. 1024 x 768 or higher resolution and view is toggled back to the Notebook display, which supports up to 800 x 600.

Improper backlight or display cable connections.

1. Check the display cable connections and retest.

2. 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.

Defective system board. Replace the system board

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**The backlight or its power circuitry has failed. If the backlight is not functioning, the POST

result cannot be observed. Connect the unit to an external monitor before restarting the unit. If an external monitor is not available verify that POST is complete by opening and closing the display, listening for the single or double beep, and watching for the icons to turn on at the front of the Notebook.

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Display

Problem Probable Cause Solution(s)

Backlight (brightness) cannot be adjusted with Fn+F7 or Fn+F8.

This display panel has a continuous pattern across it (e.g., “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).

A single line, small group of lines, or block appears on the display panel. This failure occurs in only a section of the display panel.

Improper display cable connections.

Defective inverter board. Replace the display assembly.

Defective display cable. Replace the display assembly

Defective system board. Replace the system board.

Improper display cable connections.

Defective display cable. Replace the display assembly.

Defective inverter board. Replace the display assembly

Defective system board. Replace the system board.

Defective display panel. Replace the display assembly

1. Reseat the display cable to the system board.

2. Replace the display assembly

Reseat the display cable to the following until the problem is solved:

1. System board

2. Display assembly

Note: When you perform a “self-test” on an external VGA color or monochrome monitor, the screen 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.

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Hard Drive Solutions

Some causes and solutions for hard drive problems are listed in the following table.

CAUTION: To prevent loss of information, maintain an up-to-date backup of your hard drive in case of errors or failures.

Hard Drive

Problem Probable Cause Solution(s)

Reading hard drive takes an unusually long time after restarting the Notebook.

Hard drive error occurs.

Hard drive does not work.

System entered Hibernation due to low-battery condition and is now exiting from it.

Hard drive has bad sectors or has failed.

Hard drive is not seated properly.

Give the system time to restore the previously saved data to its exact state before Hibernation.

Run Checkup (TEST).

Turn off and unplug the Notebook,

remove the battery pack remove and then reinstall the hard drive.

, and

Hardware Installation Solutions

The possible cause and some solutions for a hardware installation problem are listed in the following table.

Hardware Installation

Problem Probable Cause Solution(s)

A new device is not recognized as part of the system.

Cable(s) of new external device are loose or power cables are unplugged.

Power switch of new external device is not turned on.

Device is not seated properly. Turn off the Notebook and reinsert

Ensure that all cables are proplerly and securely connected.

Turn off the Notebook, turn on the external device, then turn on the

Notebook to integrate the device with the system.

the device.

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Keyboard/Numeric Keypad Solutions

Some causes and solutions for keyboard/numeric keypad problems are listed in the following table.

Keyboard/Numeric Keypad

Problem Probable Cause Solution(s)

Embedded numeric keypad on Notebook keyboard is disabled.

Embedded numeric keypad is disabled and Num Lock function is on.

Memory Solutions

Some causes and solutions for memory problems are listed in the following table.

Num Lock function is not enabled.

External numeric keypad is connected to the Notebook.

Press the Shift+NumLk keys to enable the Num Lock function and embedded numeric keypad (Num Lock light

is on).

Disconnect the external numeric keypad from the Notebook.

Memory

Problem Probable Cause Solution(s)

Memory count during Power-On Self-Test (POST) is incorrect.

“Out of Memory” message is displayed on the screen or insufficient memory error occurs during

Optional memory expansion card is installed incorrectly, is incompatible with the Notebook, or is defective.

System ran out of memory for the application.

Ensure that the optional memory expansion card is installed correctly, and then restart the Notebook.

Check the application documentation for memory requirements.

If necessary, install additional memory.

operation.

Too many TSR (terminate-and-stay-resident)

Remove from memory any TSR applications you do not need.

applications are running.

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PC Card Solutions

The following table lists some causes and solutions for PC card problems.

PC Card

Problem Probable Cause Solution(s)

While turned on, the Notebook does not beep when a PC card is inserted.

PC card modem, fax, or network card does not work.

PC card modem or fax card does not work.

Card is not inserted properly. Make sure that the card is

inserted properly.

PC card beeps are disabled. From Control Panel, double-click

PC Card, click the Global Settings tab, and enable PC Card sound effects.

Speaker is turned off or volume is turned down.

Press Volume buttons to turn the speaker on and then increase the volume.

PC card drivers are not installed.

From Control Panel, double-click Add New Hardware for installation instructions.

If PC card or drivers are not compatible with Windows, install drivers and use the PC card in MS-DOS mode.

Card or card driver is not supported.

Contact a Compaq authorized Service Provider for a list of PC cards tested sucessfully in Compaq platforms.

Card is not fully inserted into the slot or is not inserted

Ensure that the card is inserted in the slot in the correct orientation.

properly.

Telephone cord is not plugged in all the way.

Necessary drivers are not

Check and secure telephone connection.

Install drivers.

installed (enabled).

You are trying to access the card using the wrong COM

See the Specifications verify the correct COM port.

port.

The card conflicts with a serial device.

See the Specifications chapter to verify the correct address.

chapter to

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PC Card

Problem Probable Cause Solution(s)

PC card modem or fax card does not work.

Modem network PC card does not work.

Memory or storage PC card does not work.

The card is not supported. Use supported cards only.

Network driver is not installed

Install driver.

or is not set up properly.

Telephone cord is not properly

Verify telephone connection.

connected.

SRAM and Flash memory

Install driver(s). cards require the memory card driver (loaded and enabled).

Flash memory cards require the Microsoft FlashFile System.

Hard drives on Flash mass storage cards require the PC card ATA driver.

You are trying to access the hard drive card using the wrong drive letter.

Double-click My Computer to

verify the drive letter assigned to

the card.

The card is not supported. Contact a Compaq-authorized

Service Provider for a list of

PC cards tested successfully in

Compaq platforms.

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Power Solutions

Some causes and solutions for power problems are listed in the following table. See also

Battery Pack/Gauge Solutions

Problem Probable Cause Solution(s)

Notebook will not turn on and the battery pack is not inserted.

Notebook turned off while it was left unattended and the Power

ª icon is off.

in this chapter.

Power

Notebook is not connected to a power source.

Power cords to the external power source are unplugged.

Power adapter is defective. Replace AC Adapter and restart.

System initiated Hibernation after a preset timeout.

System initiated Hibernation due to a critical low-battery condition.

System board is defective. Replace the system board.

Insert battery or connect an

external power source.

Ensure that power cords

connecting the Notebook and the

external power source are

plugged in properly.

Turn on the Notebook.

Replace the battery pack with a

fully charged battery pack, or

connect the Notebook to an

external power source. Then turn

on the Notebook.

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Printer Solutions

If you experience problems printing, run a printer self-test. Refer to the documentation provided with the printer for instructions. If the self-test fails, the problem is associated with the printer, not the Notebook. To diagnose other printing problems, refer to the printing section of the application documentation.

Printer

Problem Probable Cause Solution(s)

Printer will not turn on. The signal cable may not be

connected properly, or the printer is unplugged.

Printer will not print. Printer is not turned on or is

offline.

Paper tray is empty. Fill the paper tray with paper and

The device drivers for the application are not installed.

Printer is set up for a network, but is not connected to the network.

Printer cable is too long, unshielded, or defective.

Printer prints garbled information.

Correct printer drivers are not installed.

Cable is not connected properly.

Cable is defective. Replace the printer cable and

Make sure that the signal cable is

properly connected and that the

power cord is connected to the

electrical outlet.

Turn the printer on and set it to

online.

set the printer to online.

Refer to the printer

documentation to install the

correct printer driver.

Connect the printer to the

network.

Replace the cable.

Refer to the printer

documentation to install the

correct printer driver.

Make sure that the printer signal

cable is properly connected to the

Notebook.

retest.

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TouchPad/Pointing Device Solutions

The following table lists some causes and solutions for TouchPad/pointing device problems.

TouchPad/Pointing Device

Problem Probable Cause Solution(s)

TouchPad or mouse does not work.

External mouse does not work.

TouchPad or mouse does not work even though the device is enabled in Windows.

Cursor skips or moves abnormally when using the TouchPad.

Incorrect or no device driver is installed.

Install the device driver and add

to the AUTOEXEC.BAT file or

CONFIG.SYS file.

The device driver is not installed in Windows.

Mouse is not securely connected or is connected to an incorrect external

Install the TouchPad/mouse driver

in Windows.

Ensure that the mouse is securely

connected to the appropriate

external connector. connector.

Mouse is not enabled. Enter mouse at the system

prompt to activate the mouse

device driver.

Add a line in the AUTOEXEC.BAT

file to automatically activate the

mouse driver each time the

computer is turned on or

restarted.

Cable is not properly seated

Reseat cable. on TouchPad board.

Defective TouchPad board. Replace the TouchPad board.

Defective system board. Replace system board

Device driver is not correctly installed in Windows.

The TouchPad needs to be cleaned.

Install the appropriate device

driver in Windows.

Clean the TouchPad with a cloth

dampened with alcohol or an

ammonia-based glass cleaner.

Wipe up liquid with a dry cloth.

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Contacting Compaq Support

Customers should provide the following information when 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 installed

• Printed result of Checkup (TEST)

• Printed copies of CONFIG.SYS and AUTOEXEC.BAT files, if possible.

Shipping Preparation

Before shipping the Notebook, complete the following steps:

1. Back up the critical hard drive files. Ensure that backup tapes/diskettes are not exposed to electrical or magnetic fields while stored or in transit.

2. Turn off the Notebook and all external devices.

3. Disconnect the external devices from their power sources, then from the Notebook.

Important: Make sure 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 Notebook.

5. Pack the Notebook with sufficient packing material to protect it. Use the original packing box or similar packaging.

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Removal & Replacement

This chapter details the necessary preparations for disassembling the Notebook and explains removing and replacing each component of the Presario 1800XL Series Notebooks.

Electrostatic Discharge

CAUTION: When removing or replacing parts, be careful to discharge static electricity before touching the Notebook’s internal components.

A sudden discharge of static electricity from a finger or other conductor can destroy static-sensitive devices and microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to an electrostatic discharge may work perfectly throughout a normal cycle. However, the discharge degrades internal layers, which reduces the operating life of the device. Networks built into many integrated circuits provide some protection, but in many cases the discharge still contains enough power to alter device parameters or melt silicon junctions.

The table below shows the amount of static electricity generated by common activities associated with servicing computers.

Generated Electrostatic Voltage

Activity

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

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

CAUTION: As little as 700 Volts can degrade Notebook components. Be sure to ground yourself before touching the Notebook or its subassemblies.

Relative Humidity

10% 40% 55%

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Required Tools

The following items are required to service the Notebook:

• Torx T-8 screwdriver

• 5 mm nut drivers (for screwlocks and standoffs)

• Small standard screwdriver

• Small Phillips screwdriver

Screws

The screws used in the Notebook 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 Notebook, place it together with its screws away from the work area to prevent damage.

Connectors & Plastic Parts

Plastic parts can be damaged by the use of excessive force during dissassembly and reassembly. When handling plastic parts, use care. Apply pressure only at the points designated in the instructions.

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ZIF Connector

The 1800XL Notebooks use many zero insertion force (ZIF) connectors on the system board.

CAUTION: A ZIF connector and its attached cable can be easily damaged. Handle only the connector slide when removing or replacing a cable. Never pull or twist on

the cable while it is connected.

To remove a cable from a ZIF connector, lift both corners of the ZIF connector and slide the cable straight out with constant light pressure.

CAUTION: When servicing these Notebooks, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

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Cables

Most cables used in the Notebook are ribbon cables.

Cables must be handled with extreme care to avoid damage. Use the following precautions when handling cables to avoid damage to the cable and the Notebook:

• Always handle cables by their connectors.

• In all cases, avoid bending, twisting, pulling, or tearing cables.

• Apply only the minimum pressure required to seat or unseat cables from their

connectors.

• Make sure that cables are routed in such a way 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 a Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can

cause severe damage to the unit.

The following illustrations show the proper placement for each cable:

• Hard Drive Ribbon Cable

• Speaker Assembly Cable

• CD/DVD Ribbon Cable • Keyboard Ribbon Cable

• Diskette Drive Ribbon Cable

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Hard Drive Ribbon Cable

The position for the hard drive ribbon cable is shown below.

CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

The following illustrations show the proper placement for other cables in the unit:

• CD/DVD Ribbon Cable

• Speaker Assembly Cable

• Diskette Drive Ribbon Cable • Keyboard Ribbon Cable

To remove or replace the hard drive, see Hard Drive Removal Procedures

later in this

chapter.

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CD/DVD Ribbon Cable

The position for the CD/DVD drive ribbon cable is shown below.

CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

The following illustrations show the proper placement for other cables in the unit:

• Hard Drive Ribbon Cable

• Speaker Assembly Cable

• Diskette Drive Ribbon Cable • Keyboard Ribbon Cable

To remove or replace the CD or DVD drive, see CD/DVD Drive Removal Procedures this chapter.

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Diskette Drive Ribbon Cable

The position for the diskette drive ribbon cable is shown below.

CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

The following illustrations show the proper placement for other cables in the unit:

• Hard Drive Ribbon Cable

• Speaker Assembly Cable

• CD/DVD Ribbon Cable • Keyboard Ribbon Cable

To remove or replace the diskette drive, see Diskette Drive Removal Procedures

later in this

chapter.

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Speaker Assembly Cable

The position for the speaker assembly cable is shown below. The cable is routed under the battery charger board and under the edge of the system board.

CAUTION: When servicing the Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

The following illustrations show the proper placement for other cables in the unit:

• Hard Drive Ribbon Cable

• Diskette Drive Ribbon Cable

• CD/DVD Ribbon Cable • Keyboard Ribbon Cable

To remove or replace the speaker assembly, see Speaker Assembly Removal Procedures later in this chapter.

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Keyboard Ribbon Cable

The position for the keyboard ribbon cable is shown below.

CAUTION: When servicing the Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement

can damage the Notebook.

The following illustrations show the proper placement for other cables in the unit:

• Hard Drive Ribbon Cable

• Diskette Drive Ribbon Cable

• CD/DVD Ribbon Cable • Speaker Assembly Cable

To remove or replace the keyboard, see Keyboard Removal Procedures

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Preparing the Notebook for Disassembly

Before beginning the removal or replacement of any Notebook components, complete the following steps:

1. Disconnect AC power source and any external devices.

2. Disconnect the Notebook from the QuikDock (pg 11

3. Remove any PC cards.

4. Remove the battery pack (pg 12

Important: The battery pack should be removed before performing any internal maintenance on the Notebook.

CAUTION: 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 1800 Series Notebooks in the battery compartment. Do not force the battery pack into the bay if insertion is difficult.

CAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a battery pack; this damages the pack, makes it unusable, and exposes potentially

harmful battery components. No field-serviceable parts are located inside the battery pack.

Note: The Compaq Presario 1800 Series Notebooks have several screws of various sizes that are not interchangeable. Care must be taken during reassembly to ensure that the correct screws are used in their correct locations. During removal, keep screws with their associated subassembly.

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Important: As each component is removed from the Notebook, place the it together with its screws away from the work area to prevent damage.

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Removal Procedures

This section outlines the removal and replacement of each component of the 1800XL Series Notebooks. To prepare the Notebook for disassembly, refer to the previous sections of this chapter.

QuikDock

To disconnect from the QuikDock, lift the handle on top of the QuikDock to release the Notebook and lift the Notebook straight up.

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Battery Pack

To remove the battery pack, complete the following steps:

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

2. Pull the battery pack from the chassis by the tab located on the end of the battery

pack

To replace the battery pack, reverse these procedures.

Important: The battery pack should be removed before performing any internal maintenance on the Notebook.

CAUTION: 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 1800 Series Portable Notebooks 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; this damages the pack, makes it unusable, and exposes potentially

harmful battery components. No field-serviceable parts are located inside the battery pack.

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Palmrest Cover with TouchPad

Note: It is not necessary to remove the display panel assembly to access the interior

components of the Notebook.

To remove the Palmrest cover with TouchPad, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Close the display and turn the Notebook upside down.

3. Remove four screws from the bottom of the Notebook, and one from the battery compartment.

Continued on the next page.

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4. Turn the Notebook right side up and open the display.

5. Lift up the front end of the Palmrest cover.

Note: It may be necessary to apply pressure on the sides of the Palmrest cover to release it from the chassis.

Continued on the next page.

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6. Disconnect the flex cable from the ZIF Connector on the DisqPlay module.

To replace the Palmrest cover with TouchPad, reverse these procedures.

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Keyboard

To remove the keyboard, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover (pg 13

3. Gently lift the front of the keyboard, disconnect the flex cable from the ZIF Connector on the system board, and remove the keyboard.

To replace the keyboard, reverse these procedures.

Note: When replacing the keyboard, the Keyboard Ribbon Cable should fold behind the

ZIF Connector

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and not underneath the keyboard.

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Button Board Cover

(Internet Zone and Status Lights)

Note: Illustrations may show parts removed that are not part of this procedure. It is

necessary to remove only the parts listed in the written procedure.

To remove the button board cover, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Open the display and squeeze the sides of the display assembly hinge covers while sliding them off the hinges.

Continued on the next page.

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3. Remove the two innermost screws from the display assembly hinges that secure the button board cover to the chassis.

Continued on the next page.

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4. Turn the unit upside down and remove the two screws (shown below) located near the back that secure the button board cover to the chassis.

Continued on the next page.

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5. Turn the unit right side up and open the display.

6. Lift up one corner of the button board cover and push forward from the back (center

piece) to release the snaps

7. Lift and remove the cover from the chassis

To replace the button board cover, reverse these procedures.

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Internet Switch Board

Note: Illustrations may show parts removed that are not part of this procedure. It is

necessary to remove only the parts listed in the written procedure.

To remove the Internet switch board, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the button board cover (pg 17

3. Remove the screw securing the display flex cable bracket and lift off the bracket

4. Disconnect the display flex cable from the connector on the system board

5. Disconnect the backlight cable from the connector on the Internet switch board

Continued on the next page.

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6. Remove the two screws securing the Internet switch board and lift it from the chassis.

Note: The 15-in. standard and high resolution (SXGA) display panels have unique Internet switch boards that are not interchangeable. If disassembling more than one Notebook, keep each Internet switch board with the correct Notebook.

To replace the Internet switch board, reverse these procedures.

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Heat Sink (Heatspreader)

To remove the heat sink, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Remove the keyboard (pg 16

4. Remove six screws from the heat sink and lift it out of the chassis.

To replace the heat sink, reverse these procedures.

CAUTION: To prevent damage, do not use excessive pressure when replacing screws.

Note: If the thermal pads on the heat sink are missing or damaged, install a new heat sink.

Important: Before installing the new heat sink, remove the plastic covering from the thermal pads.

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Modem

To remove the modem, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Remove the keyboard (pg 16

4. Remove the button board cover (pg 17

5. Remove the heat sink (pg 23

6. Disconnect the modem cable from the connector on the modem board

7. Remove the three screws from the modem board and remove the modem by lifting the front edge, sliding it towards you, and then lifting the modem off the system

board

Note: The CPU cover prevents lifting the modem straight up from the system board.

To replace the modem board, reverse these procedures.

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Hard Drive

Note: Illustrations may show parts removed that are not part of this procedure. It is

necessary to remove only the parts listed in the written procedure.

To remove the hard drive, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Disconnect the hard drive data cable

Note: Do not pull on the ribbon cable. Remove the cable from the back of the hard drive using the plastic connector attached to the cable.

Continued on the next page.

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4. Remove three screws from the hard drive mounting bracket.

5. Lift out the hard drive with drive mounting brackets attached.

CAUTION: The hard drive unit is susceptible to shock and must not be dropped or allowed to experience any rough treatment. Handle the hard drive with extreme

care.

Continued on the next page.

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6. To remove the hard drive mounting brackets, remove the two screws from each of side of the hard drive.

To replace the hard drive and mounting brackets, reverse these procedures.

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LCD DisqPlay Module

Note: Illustrations may show parts removed that are not part of this procedure. It is

necessary to remove only the parts listed in the written procedure.

To remove the LCD DisqPlay Module, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Remove the hard drive (pg 25

4. Disconnect the flex cable from the DisqPlay module

5. Lift and remove the DisqPlay module from the chassis

To replace the LCD DisqPlay module, reverse these procedures.

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Processor

To remove the processor, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Remove the keyboard (pg 16

4. Remove the heat sink (pg 23

Note: These Notebooks are equiped with one of two different types of processors. Match the processor in the unit with the correct procedure before attempting to remove it.

5. If the processor matches the image below, complete step a. However, if the processor matches the image shown on the next page, skip to step b.

a. Place tip of standard screwdriver in center slot, twist screwdriver toward “Free”

until it snaps

, and lift processor from the chassis 2.

Continued on the next page.

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b. With standard screwdriver, turn screw counter-clockwise toward “0” 1 and lift

processor from the chassis

To replace the processor, complete the following steps:

1. Fully align the processor pins with the socket holes on the connector.

2. Press down carefully on the processor directly over the connector to seat the it.

3. Once the processor is in place, reassemble the remaining subassemblies by reversing their removal procedures.

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CD, CD-RW, or DVD Drive

To remove the CD, CD-RW, or DVD Drive, complete the following steps:

1. Prepare the Notebook for disassembly (pg 10

2. Remove the Palmrest cover with TouchPad (pg 13

3. Remove the keyboard (pg 16

4. Remove the heat sink (pg 23

5. Turn the unit upside down and remove the two screws that secure the CD/DVD drive to the chassis.

Continued on the next page.

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Compaq XL390, XL381, XL380, XL280 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Welcome to the Maintenance & Service Guide (MSG)

Using this Guide

Viewing a Chapter

Expanding & Hiding Topics

Opening another Chapter

Printing the MSG

Before You Begin

Notice

Preface

Symbols

Technician Notes

Locating Additional Information

Product Description

Models and Features

Front of Unit

Internet Zone Buttons and Lights

Model XL280

Model XL3xx

Front Bezel Components

Left-Side Components

Underneath the Unit

Rear Connectors

Optional QuikDock

Components

Connectors

Specifications

Physical and Environmental

System Interrupts

System DMA

System I/O Addresses

System Memory Catalog

Memory Expansion

Display

Diskette Drive

Hard Drive

Battery Pack

CD/CD-RW/DVD Drive

Pin Assignments

Parallel Connector

TV-Out (Composite Video) Connector

Universal Serial Bus (USB) Connector

Keyboard/Mouse Connector

Modem Connector

External VGA Monitor Connector

Game Port Connector

Serial Connector

QuikDock Connector

Battery and Power Management

Power Modes

Hibernation

Standby

Full Off

Summary of Power Modes

Power Settings

Power Schemes

Alarms

SpeedStep Technology

Rebooting After a Lockup

Recovering From a Loss of Electrical Power

Increasing Battery Pack Operating Time

Minimizing the Energy Required

Maximizing the Energy Stored

Conditioning a Battery Pack

Disposing of a Used Battery Pack

Troubleshooting

Preliminary Steps

Clearing the Power-On Password

Power-On Self-Test (POST)

POST Error Messages

Compaq Diagnostics

Checkup (TEST)

View System Information (INSPECT)

Diagnostic Error Codes

Troubleshooting without Diagnostics

Before Replacing Parts

Solving Minor Problems