Compaq Presario 1800 - Notebook PC Manual

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES BEFORE YOU BEGIN 1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
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.
© 2000 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A.
Compaq, Presario 1800 Series Registered 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
First Edition (July 2000) Compaq Computer Corporation

2 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Preface
This Maintenance and Service Guide is a troubleshooting guide that is used as a reference
guide when servicing the Compaq Presario 1800 Series Notebook Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario
1800 Series Notebooks without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
Å
ÅÅ
ÅWARNING: Text set off in this manner indicates that a failure to follow directions
in the warning could result in bodily harm or loss of life.
Ä
ÄÄ
ÄCAUTION: Text set off in this manner indicates that a failure to follow directions
could result in damage to equipment or loss of data.
Important: Text set off in this manner preseats clarifying information or specific
instructions.
Note: Text set off in this manner presents commentary, sidelights, or interesting
points of information.
Technician Notes
Å
ÅÅ
ÅWARNING: 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 repaires at the
component level or to make modifications to any printed circuit board. Improper
repairs can create a safety hazard. Any indications of component replacement or
printed circuit board modifications may void any warranty.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES BEFORE YOU BEGIN 3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Serial Number
The unit’s serial number 1is required when requesting information or ordering spare
parts. The serial number is located on the underside of the Notebook as shown below.
Locating Additional Information
The following documentation is available to support this product:
•Compaq Presario 1800XL Series Notebook Computer documentation set
•Introducing Windows 98 Guide
•Introducing Windows 2000 Guide
•Service Training Guides
•Compaq Service Advisories and Bulletins
•Compaq QuickFind
•Compaq Service Quick Reference Guide

4 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PRODUCT DESCRIPTION 1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Product Description
This chapter describes the features of each of the Presario 1800XL models. It also provides
illustrations of the exterior components unique to these units.

2 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Models and Features
All models have a 3.5” Diskette Drive which use 1.44Mb Diskettes.
Compaq Presario 1800 Series Portable Notebook Computer Models
Feature XL180 XL181 XL182 XL183
Display 15.0" TFT 15.0" TFT 15.0" TFT 15.0" TFT
Processor PIII 600MHz,
256 Cache
PIII 500 MHz,
256 Cache
PIII 600 MHz,
256 Cache
PIII 600 MHz,
256 Cache
Hard Drive 6.0 GB 12.0 GB 12.0 GB 12.0 GB
CD or DVD
Drive
6X DVD Drive 6X DVD Drive 6X DVD Drive 6X DVD Drive
Modem 56.0 Kbps Data/
Fax with PCI
56.0 Kbps Data/
Fax with PCI
56.0 Kbps Data/
Fax Int’l with PCI
56.0 Kbps Data/
Fax Int’l with PCI
Networking
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
Battery 3.2 Li-Ion 3.2 Li-Ion 3.2 Li-Ion 3.2 Li-Ion
System
Memory
64 MB PC100 64 MB PC100 64 MB PC100 128 MB PC100
Compaq Presario 1800 Series Portable Notebook Computer Models
Feature XL185 XL190 XL191 XL192
Display 15.0" TFT 15.0" TFT 15.0" TFT 15.0" TFT
Processor PIII 600 MHz,
256 Cache
PIII 700 MHz,
256 Cache
PIII 650 MHz
256 Cache
PIII 700 MHz
256 Cache
Hard Drive 12.0 GB 6.0 GB 12.0 GB 12.0 GB
CD or DVD
Drive
6X DVD Drive DVD Drive 6X DVD Drive 6X DVD Drive
Modem 56.0 Kbps Data/
Fax Int’l with PCI
56.0 Kbps Data/
Fax with PCI
56.0 Kbps Data/
Fax Int’l with PCI
56.0 Kbps Data/
Fax Int’l with PCI
Networking
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
10/100TX
Integrated
Ethernet
Battery 3.2 Li-Ion 3.2 Li-Ion 3.2 Li-Ion 3.2 Li-Ion
System
Memory
64 MB PC100 128 MB PC100 128 MB PC100 128 MB PC100

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PRODUCT DESCRIPTION 3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Front of Unit
#Description #Description
1Display Release Latches 6Integrated Speakers
2Display 7Left TouchPad Button
3Power (On/Off) Button 8Scroll Up/Down Button
4Keyboard 9Right TouchPad Button
5TouchPad -Model Number

4 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Internet Zone Buttons and Lights
#Description #Description
1AC Adapter Light 7Instant Search
2Caps Lock Light 8Online Marketplace (US/Puerto Rico)
Instant Answer (outside US)
3Instant Internet Access 9Retail Central (US/Puerto Rico)
Instant E-Commerce (outside US)
4Instant E-mail Access -Num Lock Light
5My Presario Instant Access qScroll Lock Light
6Power Button

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PRODUCT DESCRIPTION 5
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Front Bezel Components
#Description #Description
1Previous Track Button 7Battery Gauge
2Next Track Button 8DisqPlay On/Off Button
3Sleep Status Icon 9Volume Down Button
4Power Status Icon -Volume Up Button
5Battery Charging Status
Icon
qPlay/Pause Button
6DisqPlay Status Icon wStop Button

6 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Right-Side Components
#Description #Description
1Battery Compartment 5Microphone Jack
2PC Card Eject Button 6Modem Port
3PC Card Slot 7Ethernet Port
4Headphone Jack

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PRODUCT DESCRIPTION 7
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Left-Side Components
#Description #Description
1Security Slot 4CD or DVD Manual Eject Hole
2CD or DVD Drive 5Diskette Drive
3CD/DVD Drive Eject Button 6Diskette Drive Eject Button

8 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Underneath the Unit
#Description #Description
1Stand Feet 3Memory Compartment
2Serial Number 4Stand Feet

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES PRODUCT DESCRIPTION 9
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Rear Connectors
#Description #Description
1Keyboard/Mouse Port 6TV Out Connector
2AC Adapter Connector 7External Monitor Port
3Parallel Port 8Serial Ports
4QuikDock Connector 9Universal Serial Bus Port
5Fan Vent

10 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
QuikDock Components
QuikDock Connectors
#Description
1QuikDock Interface Connector
2QuikDock Guide Posts
#Description #Description
1Universal Serial Bus Port 8Serial Port
2Universal Serial Bus Port 9External Monitor Port
3Power (AC Adapter)
Connector
-10/100TX Ethernet
4Keyboard/Mouse Port qS Video
5Keyboard/Mouse Port w(Composite) TV Out
6Parallel Port eAudio Out
7Game Port

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES SPECIFICATIONS 1
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Specifications
Physical and Environmental
*Applicable safety standards specify thermal limits for plastic surfaces.
Presario 1800XL Notebooks operate well within this temperature range.
Specification U.S. Metric
Height
Depth
Width
1.63 in
12.99 in
11.02 in
4.14 cm
33.00 cm
28.00 cm
Weight
with 14.1" TFT Display
with 15.0" Display
7.8 lbs 3.54 kg
Battery Pack Power
Requirements
Nominal Operating
Maximum Average
Peak Operating
Li-ion 3.2 AHr
W @ 14.8 V
W @ 14.8 V
W @ 14.8 V
AC Power Requirements
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
100-240 V
0.8/0.4 A RMS
47-63 Hz (meets IEC801-4 & 5)
1kV for 50 ns
Temperature*
Operating
Non-Operating
50° to 95°F
-4° to 140°F
10° to 35°C
-20° to 60°C
Relative Humidity
(noncondensing)
Operating
Non-Operating (tw = 38.7°C max)
10 to 90%
5 to 95%
35 to 90%
60 to 95%
Altitude
Operating
Non-Operating
0 to 10,000 ft
0 to 30,000 ft
0 to 3.05 km
0 to 9.14 km
Shock
Operating
Non Operating
10 G, 11 ms, half sine
240 G, 2 ms, half sine
Vibration
Operating
Non Operating
0.5 G
1.5 G

2 SPECIFICATIONS PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
System Interrupts
System DMA
Hardware
IRQ System Function Hardware IRQ System Function
IRQ0 System Timer IRQ10 Available
IRQ1 Standard 101/102-Key or
Microsoft Natural Keyboard
IRQ11 Intel (R) Pro/100S Mobile LAN
on Motherboard
IRQ2 Programmable Interrupt
Controller
IRQ11 Texas Instruments PCI-1410
CardBus Controller
IRQ3 Lucent 56K V.90 PCI DF Modem IRQ11 ACPI IRQ Holder for PCI IRQ
Steering
IRQ3 ACPI IRQ Holder for PCI IRQ
Steering
IRQ11 Intel 82371AB/EB PCI to USB
Universal Host Controller
IRQ4 Communications Port (COM1) IRQ11 ACPI IRQ Holder for PCI IRQ
Steering
IRQ5 ESS SOLO-1 PCI AudioDrive IRQ12 Synaptics PS/2 TouchPad
IRQ5 ACPI IRQ Holder for PCI IRQ
Steering
IRQ13 Numeric Data Processor
IRQ5 RAGE Mobility AGP (English) IRQ14 Intel 82371AB/EB PCI Bus
Master IDE Controller
IRQ6 Standard Floppy Disk Controller IRQ14 Primary IDE Controller (Dual
FIFO)
IRQ7 Printer Port (LPT1) IRQ15 Intel 82371AB/EB PCI Bus
Master IDE Controller
IRQ8 System CMOS/Real Time Clock IRQ15 Secondary IDE Controller (Dual
FIFO)
IRQ9 SCI IRQ used by ACPI Bus
Hardware
DMA System Function
DMA1 ESS SOLO-1 DOS Emulation
DMA2 Standard Floppy Disk Controller
DMA3 ECP Printer Port (LPT1)
DMA4 Direct memory access Controller

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES SPECIFICATIONS 3
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
System I/O Address
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 Mobility AGP (English)
03F0h - 03F5h Standard Floppy Disk Controller
03F6h - 03F6h Intel 82371AB/EB PCI Bus Master IDE Controller
03F6h - 03F6h Primary IDE Controller (Dual FIFO)
03F7h - 03F7h Standard Floppy Disk Controller

4 SPECIFICATIONS PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
System Memory Catalog
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 (R) PRO/100 S Mobile LAN on Motherboard
1480h - 149Fh Intel 82371AB/EB PCI to USB Universal Host Controller
14A0h - 14A7h Primary IDE Controller (Dual FIFO)
14A0h - 14AFh Intel 82371AB/EB PCI Bus Master IDE Controller
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 Controller
9000h - 90FFh RAGE Mobility AGP (English)
Memory Address System Function
00000000h - 0009FFFFh Not Available For Use By Devices
000A0000h - 000AFFFFh RAGE Mobility AGP (English)
000B0000h - 000BFFFFh RAGE Mobility AGP (English)
000C0000h - 000CBFFFh RAGE Mobility AGP (English)
000E0000h-000E7FFFh Not Available For Use By Devices
000E9000h-03FFFFFFh Not Available For Use By Devices
04000000h - 04000FFFh Texas Instruments PCI-1410 CardBus Controller
F4000000h - F40000FFh Intel (R) PRO/100 S Mobile LAN on Motherboard
F4100000h-F4100FFFh Intel (R) PRO/100 S Mobile LAN on Motherboard
I/O Address System Function (Shipping Configuration)

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES SPECIFICATIONS 5
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Display Information
F4101000h-F41010FFh Lucent 56K V.90 PCI DF Modem
F4200000h-F4200FFFh RAGE Mobility AGP (English)
F4200000h-F5FFFFFFh Intel 82443BX Pentium II Processor to AGP Controller
F4220000h-F423FFFFh RAGE Mobility AGP (English)
F5000000h-F5FFFFFFh RAGE Mobility AGP (English)
F8000000h - FBFFFFFFh Intel 82443BX Pentium II Processor to PCI Bridge
FFF80000h - FFFFFFFFh Motherboard Resources
Display 15.0” (Diagonal) TFT
with LVDS
14.1” (Diagonal) TFT
with LVDS
Specification U.S. Metric U.S. Metric
Unit Height
Unit Width
9.48 in
12.43 in
24.05 cm
31.55 cm
8.92 in
11.76 in
22.65 cm
29.85 cm
Display Height
Display Width
8.99 in
11.98 in
22.81 cm
30.41 cm
8.44 in
11.26 in
21.43 cm
28.57 cm
Weight 24.36 oz 690 g 19.94 oz 565 g
Contrast Ratio 150:1 mini 150:1 mini
Brightness 120 cd/mm3120 cd/mm3
Response Time 50 ms 50 ms
Refresh Rate 60 Hz 60 Hz
Memory Address System Function

6 SPECIFICATIONS PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Memory Expansion
Diskette Drive
Memory Expansion
System
Memory
Expansion
Board Memory
Total
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
Diskette Drive
Capacity per Diskette (High/Low) 1.44Mb/720 Kb
Diskette Size 3.5 in
Number of LED Indicators 0
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
Access Times
Track-to-Track (ms)
Average (ms)
Setting Time (ms)
Latency Average (ms)
3
94
15
100
Cylinders (High/Low) 80
Number of Read/Write Heads 2