Compaq 12XL125 - Presario - K6-2 533 MHz User manual

Presario 1200XL Series
Model XL300, XL300A, and XL300B
Before You
Begin
Product
Description Specifications
Pin
Assignments
Battery
Operations Troubleshooting
Removal
Sequence
Parts
Catalog MSG Index
Welcome to the Maintenance & Service Guide (MSG)
Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1200XL Series
Portable Notebooks. 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. This MSG is updated online as needed.
For comments or questions about the contents of this MSG, contact Compaq.
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.

Presario 1200XL Series
Model XL300, XL300A, and XL300B
2 PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Using this Guide
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PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES BEFORE YOU BEGIN 1
Presario 1200XL Series
Model XL300, XL300A, and XL300B
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 1200 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 1200 Series Notebook Computer
First Edition (July 2000) Compaq Computer Corporation

2 BEFORE YOU BEGIN PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Preface
This Maintenance and Service Guide is a troubleshooting guide that is used as a reference
guide when servicing the Compaq Presario 1200 Series Notebook Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1200
Series Notebooks without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
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
CAUTION: 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
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.
Serial Number
When requesting information or ordering spare parts, you should provide the Notebook
serial number to Compaq. The serial number location is underneath the Notebook.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES BEFORE YOU BEGIN 3
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Locating Additional Information
The following documentation is available to support this product:
•Compaq Presario 1200XL 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

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES PRODUCT DESCRIPTION 1
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Product Description
Models and Features
* Modem Legend
1) 56K Mini PCI d/f 1 = Bear/Grizzly Modem/NIC Combo = NA, CKK, LA
2) 56K Mini PCI d/f 2 = Seminole = EMEA/APD
3) 56K Mini PCI d/f 3 = Seminole 2 = All AUS/NZ
Compaq Presario 1200 Series Portable Notebook Computer Models
Feature XL300 XL300A XL300B
Display 12.1 in HPA 12.1 in HPA 12.1 in HPA
Processor Cel/566 (128)
FCPGA
Cel/566(128)
FCPGA
Cel/566(128)
FCPGA
Hard Drive 5.0 GB 5.0 GB 5.0 GB
CD or DVD
Drive
24X CD-Rom 24X CD-Rom 24X CD-Rom
Diskette
Drive
1.44 Std. Diskette 1.44 Std. Diskette 1.44 Std. Diskette
Modem 56K Mini PCI
d/f 1, Bear*
56K Mini PCI
d/f 1, Bear*
56K Mini PCI d/f
2, Seminole*
Networking None None None
Battery 3.8 NiMH 3.8 NiMH 3.8 NiMH
System
Memory
32 MB 32 MB 64 MB

2 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Front of Unit
Description
1Display Release Latch 6Right TouchPad Button
2Display 7Scroll Button
3Model Number 8Left TouchPad Button
4Power (On/Off) Button 9TouchPad
5Speakers -Keyboard

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES PRODUCT DESCRIPTION 3
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Internet Zone Buttons and Lights
Description
1Num Lock Light 4Instant E-mail Access Button
2Caps Lock Light 5Retail Central Button
3Instant Internet Access Button 6Power Button

4 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Front Bezel Components
Description
1Power (On/Off) Light 4Volume Down Button
2Battery Charge Light 5Volume Up Button
3AC Power Light

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES PRODUCT DESCRIPTION 5
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Right-Side Components
Description
1Battery Compartment
2PC Card Eject Button
3PC Card Slot
4Microphone Jack
5Headphone Jack

6 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Left-Side Components
Description
1Security Slot 4CD or DVD Manual Eject Hole
2CD or DVD Player 5Diskette Drive
3CD/DVD Eject Button 6Diskette Drive Eject Button

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES PRODUCT DESCRIPTION 7
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Underneath the Unit
Description
1Stand Feet 4Speaker Ports
2Serial and Model Number
Location
5Modem Compartment
3Memory Compartment

8 PRODUCT DESCRIPTION PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Models: XL300, XL300A, and XL300B
Rear Connectors
Description
1Modem 5Fan Vent
2AC Power 6VGA External Monitor
3Keyboard/Mouse Port 7USB Ports
4Printer/Parallel Port

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES S
PECIFICATIONS 1
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Specifications
Physical and Environmental
Computer Specifications
Dimensions U.S. Metric
Height
Width
Depth
1.71 in.
10.08 in.
12.20 in.
43.43 cm
30.90 cm
256.03 cm
Weight
with 12.1” HPA Display
with 12.1” TFT Display
with 13.0” HPA Display
with 13.0” HPA Display
with 13.3” TFT Display
7.23 lbs
7.32 lbs
7.36 lbs
6.97 lbs
3.28 kg (CD-ROM/Ni-MH)
3.32 kg (DVD/Ni-MH)
3.34 kg (CD-ROM/Ni-MH)
3.34 kg (CD-ROM/Li-ion)
3.26 kg (DVD/Li-ion)
Stand-Alone (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 to 240 V
1.3A/0.8A RMS 1.5A Max. (60 W)
47 to 63 Hz
Meets IEC1000-4-4 and IEC1000-4-5
1 kV 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%

2 SPECIFICATIONS P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
System Interrupts
Altitude
Operating
Non-Operating
0 to 10,000 ft
0 to 30,000 ft
0 to 3.15 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
IRQ Device(s)
0 System Timer
1Standard 101/102-Key or Microsoft Natural Keyboard
2 Programmable Interrupt Controller
6Standard Floppy Disk Controller
7 Printer Port
8System CMOS/Real Time Clock
10 SCI IRQ used by ACPI Bus
11 ACPI IRQ Holder for PCI IRQ Steering
11 VIA Tech 3038 PCI to USB Universal Host Controller
11 Compaq PCI Modem Enumerator
11 Texas Instruments PCI-1410 CardBus Controller
11 Trident CyberBlade i1 AGP (51)
11 VIA AC’97 Audio Controller
12 Synaptics PS/2 TouchPad
13 Numeric Data Processor
14 VIA Bus Master PCI IDE Controller
Computer Specifications
Dimensions U.S. Metric

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES SPECIFICATIONS 3
Presario 1200XL Series
Model XL300, XL300A, and XL300B
System DMA
System I/O Address
14 Primary IDE Controller (Dual FIFO)
15 VIA Bus Master PCI IDE Controller
15 Secondary IDE Controller (Dual FIFO)
DMA Device(s)
2 Standard Floppy Disk Controller
4Direct Memory Access Controller
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-0075h System CMOS/Real Time Clock
0080h-0080h Motherboard Resources
0081h-008Fh Direct Memory Access Controller
0092h-0092h Motherboard Resources
00A0h-00A1h Programmable Interrupt Controller
00A8h-00A9h Motherboard Resources
00C0h-00DFh Direct Memory Access Controller
00F0h-00FFh Numeric Data Processor
0170h-0177h Secondary IDE Controller (Dual FIFO)
IRQ Device(s)

4 SPECIFICATIONS P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
0170h-0177h VIA Bus Master PCI IDE Controller
01F0h-01F7h Primary IDE Controller (Dual FIFO)
01F0h-01F7h VIA Bus Master PCI IDE Controller
0220h-022Fh Motherboard Resources
0376h-0376h Secondary IDE Controller (Dual FIFO)
0376h-0376h VIA Bus Master PCI IDE Controller
0378h-037Fh Printer Port (LPT1)
0388h-038Bh Motherboard Resources
03B0h-03BBh Trident CyberBlade i1 AGP (77)
03C0h-03DFh Trident CyberBlade i1 AGP (77)
03F0h-03F5h Standard Floppy Disk Controller
03F6h-03F6h Primary IDE Controller (Dual FIFO)
03F6h-03F6h VIA Bus Master PCI IDE Controller
03F7h-03F7h Standard Floppy Disk Controller
04D0h-04D1h Motherboard Resources
0CF8h-0CFFh PCI Bus
1000h-10FFh VIA AC’97 Audio Controller (WDM)
1400h-141Fh VIA Tech 3038 PCI to USB Universal Host Controller
1420h-1427h Primary IDE Controller (Dual FIFO)
1420h-142Fh VIA Bus Master PCI IDE Controller
1428h-142Fh Secondary IDE Controller (Dual FIFO)
1430h-1433h VIA AC’97 Audio Controller (WDM)
1434h-1437h VIA AC’97 Audio Controller (WDM)
1438h-143Fh Compaq PCI Modem Enumerator
6800h-687Fh Motherboard Resources
8000h-808Fh Motherboard Resources
9050h-9051h Motherboard Resources
I/O Address System Function (Shipping Configuration)

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES SPECIFICATIONS 5
Presario 1200XL Series
Model XL300, XL300A, and XL300B
System Memory Catalog
Memory Address Device(s)
00000000h-0009FFFFh System Board Extension for ACPI BIOS
000A0000h-000AFFFFh Trident CyberBlade i1 AGP (77)
000B0000h-000BFFFFh Trident CyberBlade i1 AGP (77)
000C0000h-000CBFFFh Trident CyberBlade i1 AGP (77)
000DC000h-000DFFFFh System Board Extension for ACPI BIOS
000E0000h-000FFFFFh System Board Extension for ACPI BIOS
03800000h-03800FFFh Texas Instruments PCI-1410 CardBus Controller
F4000000h-F400FFFFh Compaq PCI Modem Enumerator
F4100000h-F411FFFFh Trident CyberBlade i1 AGP (77)
F4100000h-F57FFFFFh VIA Tech 8601 CPU to AGP Controller
F4120000h-F412FFFFh Trident CyberBlade i1 AGP (77)
F4800000h-F4FFFFFFh Trident CyberBlade i1 AGP (77)
F5000000h-F57FFFFFh Trident CyberBlade i1 AGP (77)
F8000000h-FBFFFFFFh VIA Tech VT8601 CPU to PCI Bridge
FFFE0000h-FFFFFFFFh System Board Extension for ACPI BIOS

6 SPECIFICATIONS P
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Display Information
12.1 in. HPA Display Panel
U.S. Metric
Dimensions
Height
Width
7.97 in.
10.82 in.
20.25 cm
27.5 cm
Display Dimensions
Height
Width
9.73 in.
12.36 in.
24.715 cm
31.4 cm
Weight 2.3 lbs 1.045 kg
Contrast Ratio 40:1
Brightness 100 nits
Total Power
Consumption
1.2 to 1.5 W typ (Assuming backlight current of
5.0 mA, or 100 nits luminance)
Response Time 150 ms
Refresh Rate 150 Hz
12.1 in. TFT Display Panel
U.S. Metric
Dimensions
Height
Width
7.83 in.
10.82 in.
19.9 cm
27.5 cm
Display Dimensions
Height
Width
9.73 in.
12.36 in.
24.715 cm
31.4 cm
Weight 2.425 lbs 1.1 kg
Contrast Ratio 100:1
Brightness 100 nits
Total Power
Consumption
1.2 to 1.5 W typ (Assuming backlight current of
5.0 mA, or 100 nits luminance)
Response Time 50 ms
Refresh Rate 60 Hz

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES SPECIFICATIONS 7
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Display Information (continued)
13.0 in. HPA Display Panel
U.S. Metric
Dimensions
Height
Width
8.58 in.
11.61 in.
21.8 cm
29.5 cm
Display Dimensions
Height
Width
9.73 in.
12.36 in.
24.715 cm
31.4 cm
Weight 2.425 lbs 1.1 kg
Contrast Ratio 50:1
Brightness 100 nits
Total Power
Consumption
1.3 to 2.1 W typ (Assuming backlight current of
5.0 mA, or 100 nits luminance)
Response Time 150 ms
Refresh Rate 150 Hz
13.3 in. TFT Display Panel
U.S. Metric
Dimensions
Height
Width
7.89 in.
10.82 in.
21.5 cm
28.4 cm
Display Dimensions
Height
Width
9.73 in.
12.36 in.
24.715 cm
31.4 cm
Weight 2.3 lbs 1.045 kg
Contrast Ratio 150:1
Brightness 100 nits
Total Power
Consumption
1.2 to 1.5 W typ (Assuming backlight current of
5.0 mA, or 100 nits luminance)
Response Time 50 ms
Refresh Rate 150 Hz