Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice
Preface
Product
Description
Troubleshooting
Illustrated
Parts Catalog
Removal &
Repair
Procedures
Specifications
Connector Pin
Assignments
Battery Pack
Welcome to the Presario 1600 Series Portable Computer Maintenance & Service Guide. This online guide is designed to serve the needs of those whose job it is to repair Compaq products. Many of the components of the hardcopy MSG are contained in this online guide. The Notice, contains the copyright and trademark
information. The Preface shows symbol conventions and Technician Notes.
This MSG will be periodically maintained and updated online as needed.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
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.
© 1998 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A.
Compaq, Presario Registered U. S. Patent and Trademark Office.
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation.
Windows 95 is a trademark of Microsoft Corporation.
The software described in this guide is furnished under a license agreement or nondisclosure agreement. The software may be used or copied only in accordance
with the terms of the agreement.
Product names mentioned herein may be trademarks and/or registered trademarks of their respective companies.
Maintenance and Service Guide
Compaq Presario 1600 Series Portable Computers
First Edition (October 1997)
Spare Part Number 298499-001
Documentation Part Number 330976-001
Compaq Computer Corporation
Home
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Preface
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 1625/1635 Series Portable Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario Series Portable Computers without notice.
Symbols
The following words and symbols mark special messages throughout this guide.
WARNING: Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data.
IMPORTANT: Text set off in this manner presents clarifying information or specific instructions.
NOTE: Text set off in this manner presents commentary, sidelights, or interesting points of information.
Technician Notes
WARNING: Only authorized technicians trained by Compaq should repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards and subassemblies, the user should not attempt to make repairs at the component level or to make modifications to any printed circuit board. Improper repairs can create a safety hazard. Any indications of component replacement or printed circuit board modifications may void any warranty.
Serial Number
When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The serial number is located on the bottom of the computer.
Locating Additional Information
The following documentation is available to support this product:
●Compaq Presario 1624/1625/1635/1636 Series Portable Computer documentation set
●Introducing Windows 95 Guide
●Service Training Guides
●Compaq Service Advisories and Bulletins
●Compaq QuickFind
●Compaq Service Quick Reference Guide
Home
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Product Description
Models and
Features
Rear
Connectors
Port
Replicator
Power
Management
Compaq Presario 1600 Series Portable Computers are a new generation of multimedia portable computers with an innovative integrated design, outstanding audio and video, advanced core features, and attractive styling. This fullfunction, Pentium-based series of portable computers allows full desktop functionality.
Compaq Presario 1600 Series Portable Computers
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Troubleshooting
WARNING: To avoid a potential shock hazard during troubleshooting procedures, disconnect all power sources before removing the keyboard cover or the display bezel.
This chapter covers troubleshooting information for the Compaq Presario Series Portable Computers. The basic steps in troubleshooting include:
1.Following the Preliminary Steps.
2.Running the Power-On Self-Test (POST).
3.If you are unable to run POST you may Troubleshoot Without Diagnostics. Search for Error Code by number.
Perform the recommended actions in the order listed. Rerun POST after each recommended action until the problem is solved and no error message occurs. Once the problem is solved, do not complete the remaining recommended actions.
NOTE: If the problem is intermittent, check the computer several times to verify that the problem is solved.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Illustrated Parts Catalog
System Unit
Boards
Display
Mass Storage Devices
Cables
Miscellaneous Hardware and Screws
This chapter provides an illustrated parts breakdown and identifies the spare parts ordering number associated with each item(s) for Compaq Presario 1600 Series Portable Computers.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Removal & Replacement Procedure
This chapter presents the removal and replacement procedures for the computer.
ESD
Service
Considerations
Cable Positions
Preparing the
Computer for
Disassembly
Serial Number Location
Serial Number Location
Report the computer serial number to Compaq when requesting information or ordering spare parts. The serial number is displayed on the bottom of the computer.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Specifications
This section covers the following specifications of Compaq Presario 1600 Series Portable Computers:
●Physical and Environmental/Specifications
●System Interrupts
●System DMA
●System I/O Address
●System Memory Map
●Memory Expansion
●Diskette Drive
●Hard Drive
●CD Drive
●Battery Pack
●Dip Switch Settings
Physical and Environmental/Specifications
Dimensions
Height
Depth
Width
Weight
Model 1625
Model 1635
Model 1640
Stand-Alone (Battery Pack)
Power Requirements
Nominal Operating
Maximum Average
Peak Operating
AC Power Requirements
Operating Voltage
Operating Current
Operating Frequency
Maximum Transient
Temperature
Operating
Non-operating
Relative Humidity (noncondensing)
U.S. Metric
1.96 in |
4.95 cm |
12.30 in |
31.00 cm |
10.08 in |
25.40 cm |
7.326Ib |
3.33 kg |
7.326Ib |
3.33 kg |
7.326Ib |
3.33 kg |
NiMH |
Li-ion |
W @ 9.6 V |
W @ 14.4 V |
W @ 9.6 V |
W @ 14.4 V |
W @ 9.6 V |
W @ 14.4 V |
100-240 V 0.8/0.4 A RMS 47-63 Hz
Meets IEC 801-4 and IEC801-5 1kV for 50 ns
50° to 95 °F |
10° to 35 °C |
-4° to 140 °F |
-20° to 60 °C |
Operating |
10 to 90% |
35°C to 90% |
Non-operating (tw = 38.7°C |
5 to 95% |
60°C to 95% |
max) |
|
|
Altitude |
|
|
Operating |
0 to 10,000 ft |
0 to 3.15 km |
Non-operating |
0 to 30,000 ft |
0 to 9.14 km |
Shock |
|
|
Operating |
10 G, 11 ms, half sine |
|
Non operating |
240 G, 2 ms, half sine |
|
Vibration |
|
|
Operating |
0.5 G |
|
Non-operating |
1.5 G |
|
Applicable product safety standards specify thermal limits for plastic NOTE: surfaces. Compaq Presario 1600 Series Portable Computers operate
well within this range of temperatures.
Back to top
|
System Interrupts |
Hardware IRQ |
System Function |
IRQ0 |
Timer Interrupt |
IRQ1 |
Keyboard |
IRQ2 |
Interrupt Controller Cascade |
IRQ3 |
0X2F8 Default Resources for Modem |
IRQ4 |
Communications Port (COM 1) |
IRQ5 |
ES1869 Plug and Play AudioDrive |
IRQ6 |
Diskette Drive |
IRQ7 |
Parallel Port (LPT 1) (default) |
IRQ8 |
System CMOS/Real-Time Clock |
IRQ10 |
IRQ Holder for PCI Steering |
IRQ10 |
PCI-1131 CardBus Controller |
IRQ11 |
IRQ Holder for PCI Steering |
IRQ11 |
MagicGraph128XD |
IRQ11 |
PCI-1131 CardBus Controller |
IRQ12 |
PS/2 TouchPad |
IRQ13 |
Coprocessor |
IRQ14 |
Primary IDE Controller (dual FIFO) |
IRQ14 |
Opti Dual PCI IDE Controller |
IRQ15 |
Opti Dual PCI IDE Controller |
IRQ15 |
Secondary IDE Controller (dual FIFO) |
Back to top
|
System DMA |
Hardware DMA |
System Function |
DMA 0 |
ES1869 Plug and Play AudioDrive |
DMA 1 |
ES1869 Plug and Play AudioDrive |
DMA 2 |
Diskette Drive |
DMA 4 |
Direct Memory Access Controller |
Back to top
|
System I/O Address |
I/O Address (Hex) |
System Function (Shipping Configuration) |
0000h-000Fh |
DMA Controller # 1 |
0020h-0021h |
Interrupt Controller # 1 |
0022h-0024h |
Motherboard resources |
0040h-0043h |
System timer |
0060h-0060h |
Keyboard Controller |
0061h-0061h |
System speaker |
0064h-0064h |
Standard 101/102-Key or Microsoft Natural |
|
Keyboard |
0070h-0071h |
System CMOS/real time clock |
0080h-0080h |
Motherboard resources |
0081h-008Fh |
DMA Controller |
0092h-0092h |
Motherboard resources |
00A0h-00A1h |
Programmable interrupt controller |
00C0h-00DFh |
DMA Controller |
00ECh-00EFh |
Motherboard resources |
00F0h-00FFh |
Numeric data processor |
0170h-0177h |
Secondary IDE controller (dual FIFO) |
0170h-0177h |
Opti Dual PCI IDE Controller |
01F0h-01F7h |
Opti Dual PCI IDE Controller |
01F0h-01F7h |
Primary IDE controller (dual FIFO) |
0201h-0201h |
Gameport Joystick |
0220h-022Fh |
ES1869 Plug and Play AudioDrive |
0330h-0331h |
ES1869 Plug and Play AudioDrive |
0370h-0371h |
Motherboard resources |
0376h-0376h |
Secondary IDE controller (dual FIFO) |
0376h-0376h |
Opti Dual PCI IDE Controller |
0378h-037Fh |
Printer Port (LPT1) |
0388h-038Bh |
ES1869 Plug and Play AudioDrive |
03B0h-03BBh |
MagicGraph128XD |
03C0h-03DFh |
MagicGraph128XD |
03F0h-03F5h |
Diskette Drive Controller |
03F6h-03F6h |
Primary IDE controller (dual FIFO) |
03F6h-03F6h |
Opti Dual PCI IDE Controller |
03F7h-03F7h |
Diskette Drive Controller |
03F8h-03FFh |
Communications Port (COM1) |
040Bh-040Bh |
Motherboard resources |
0480h-048Fh |
Motherboard resources |
04D6h-04D6h |
Motherboard resources |
0800h-0807h |
ES1869 Control Interface |
0CF8h-0CFFh |
PCI bus |
1000h-107Fh |
PCI-1131 CardBus Controller |
FCF0h-FCF7h |
Primary IDE controller (dual FIFO) |
FCF0h-FCF7h |
Opti Dual PCI IDE Controller |
FCF8h-FCFFh |
Secondary IDE controller (dual FIFO) |
FCF8h-FCFFh |
Opti Dual PCI IDE Controller |
Back to top
|
System Memory Map |
Memory Address |
System Function |
00000000h-0009FFFFh |
System board extension for PnP BIOS |
000A0000h-000AFFFFh |
MagicGraph128XD |
000B0000h-000BFFFFh |
MagicGraph128XD |
000C0000h-000CBFFFh |
MagicGraph128XD |
000CC000h-000CCFFFh |
PCI-1131 CardBus Controller |
000CD000h-000CDFFFh |
PCI-1131 CardBus Controller |
000E0000h-000FFFFFh |
System board extension for PnP BIOS |
00100000h-017FFFFFh |
System board extension for PnP BIOS |
05000000h-05040FFFh |
PCI-1131 CardBus Controller |
FD000000h-FDFFFFFFh |
MagicGraph128XD |
FEA00000h-FEBFFFFFh |
MagicGraph128XD |
FED00000h-FEDFFFFFh |
MagicGraph128XD |
FFFC0000h-FFFFFFFFh |
Motherboard resources |
Back to top
|
Memory Expansion |
|
|
System Memory |
Expansion Board |
Total Memory |
|
Memory |
|||
|
|
||
8-MB |
16-MB |
24-MB |
|
8-MB |
32-MB |
40-MB |
|
8-MB |
64-MB |
72-MB |
|
16-MB |
16-MB |
32-MB |
|
16-MB |
32-MB |
48-MB |
|
16-MB |
64-MB |
80-MB |
|
32-MB |
16-MB |
48-MB |
|
32-MB |
32-MB |
64-MB |
|
32-MB |
64-MB |
96-MB |
|
64-MB |
16-MB |
80-MB |
|
64-MB |
32-MB |
96-MB |
|
64-MB |
64-MB |
128-MB* |
*Run the PHDISK utility to increase the size of the hibernation file for the larger memory size.
Back to top
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Connector Pin Assignments
This section provides connector pin assignment tables for Compaq Presario 1600 Series Portable Computers and the Compaq Port Replicator for selected models. For more information on connectors, refer to Rear Connectors for
connectors located on the computer and Port Replicator for connectors located on the port replicator.
NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).
■Parallel Connector
■Serial Connector
■Keyboard/Mouse
■External VGA Monitor
■Phone Line to Wall Jack
■Port Replicator
Parallel Connector
Pin |
Signal |
Pin |
Signal |
1 |
Strobe* |
10 |
Acknowledge* |
2 |
Data Bit 0 |
11 |
Busy |
3 |
Data Bit 1 |
12 |
Paper Out |
4 |
Data Bit 2 |
13 |
Select |
5 |
Data Bit 3 |
14 |
Auto Linefeed* |
6 |
Data Bit 4 |
15 |
Error* |
7 |
Data Bit 5 |
16 |
Initialize Printer* |
8 |
Data Bit 6 |
17 |
Select In* |
9 |
Data Bit 7 |
18-25 |
Signal Ground |
|
|
* = Active low |
|
Back to top
|
Serial Connector |
|
Connector |
Pin |
Signal |
|
1 |
Carrier Detect |
|
2 |
Receive Data |
|
3 |
Transmit Data |
|
4 |
Data Terminal Ready |
|
5 |
Signal Ground |
|
6 |
Data Set Ready |
|
7 |
Ready to Send |
|
8 |
Clear to Send |
|
9 |
Ring Indicator |
|
Keyboard/Mouse |
|
Connector |
Pin |
Signal |
|
1 |
Data |
|
2 |
Not defined |
|
3 |
Ground |
|
4 |
+5 VDC |
|
5 |
Clock |
|
6 |
Not defined |
Back to top
|
External VGA Monitor |
|
Connector |
Pin |
Signal |
1 Red Analog
2 Green Analog
3 Blue Analog
4 Not connected
5 Ground
6 Ground Analog
7 Ground Analog
8 Ground Analog
9 Not connected
10 Ground
11 Monitor Detect
12 DDC2B Data
13 Horizontal Sync
14 Vertical Sync
15 DDC2B Clock
Back to top
|
Phone Line to Wall Jack |
|
Connector |
Pin |
Signal |
|
1 |
Unused |
|
2 |
Unused |
|
3 |
Tip |
|
4 |
Ring |
|
5 |
Unused |
|
6 |
Unused |
Back to top
|
|
|
Port Replicator |
|
|
||
Pin |
Signal |
Pin |
Signal |
Pin |
Signal |
Pin |
Signal |
1 |
N.C. |
21 |
Printer Data 0 |
41 |
N.C. |
61 |
CTS |
2 |
N.C. |
22 |
Printer Data 1 |
42 |
N.C. |
62 |
DCD |
3 |
Kb Clk 1 |
23 |
Printer Data 2 |
43 |
Switch A |
63 |
DSR |
4 |
Joystick Data A |
24 |
Printer Data 3 |
44 |
Switch B |
64 |
TXD |
5 |
Kb Data 1 |
25 |
Printer Data 4 |
45 |
Switch C |
65 |
RTS |
6 |
Joystick Data B |
26 |
Printer Data 5 |
46 |
Switch D |
66 |
N.C. |
7 |
Kb Clk 2 |
27 |
Printer Data 6 |
47 |
N.C. |
67 |
Detect |
8 |
Joystick Data C |
28 |
Printer Data 7 |
48 |
MIDI In |
68 |
N.C. |
9 |
Kb Data 2 |
29 |
Reserved |
49 |
MIDI Out |
69 |
V. Sync |
10 |
Joystick Data D |
30 |
Reserved |
50 |
+5V |
70 |
Ground |
11 |
Lp Select In |
31 |
Reserved |
51 |
+5V |
71 |
H. Sync |
12 |
Lp Paper End |
32 |
Reserved |
52 |
N.C. |
72 |
Ground |
13 |
Lp Initialize |
33 |
Adapter In |
53 |
N.C. |
73 |
Blue |
14 |
Lp Busy |
34 |
Adapter In |
54 |
N.C. |
74 |
Ground |
15 |
Lp Error |
35 |
Adapter In |
55 |
N.C. |
75 |
Green |
16 |
Lp Ack |
36 |
Adapter In |
56 |
Dock ID - |
76 |
Ground |
17 |
Lp Auto Feed |
37 |
Adapter In |
57 |
RXD |
77 |
Red |
18 |
Lp Strobe |
38 |
Adapter In |
58 |
Lp Select |
78 |
Ground |
19 |
DDC2BC |
39 |
N.C. |
59 |
RI |
79 |
N.C. |
20 |
DDC2BD |
40 |
N.C. |
60 |
DTR |
80 |
N.C. |
Back to top
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Battery Pack
This section covers the following information concerning battery pack operating time:
■Increasing Battery Pack Operating Time
■Minimizing the Energy Required
■Maximizing the Energy Stored
■Conditioning a Battery Pack
■Battery Charge Time By Model
■Disposal of a Used Battery Pack
Increasing Battery Pack Operating Time
Battery pack operating time differs depending on several variables. To avoid unnecessary replacement, consider the following variables when determining how long a charged battery pack should last:
■Power management settings
■Hardware configuration
■Software applications
■Installed options
■Display brightness
■Hard drive usage
■Changes in operating temperature
■Type and number of installed PC Cards
NOTE: The power consumption requirements for PC Cards vary widely. Some cards drain the battery pack very rapidly.
Battery pack operating time can be increased by as much as 50 percent by controlling the energy required by the computer and the energy stored in the battery pack.
Minimizing the Energy Required
To minimize the energy required by the computer, follow these steps:
■Set the power conservation levels in the Power Management utility to Maximum.
■Customize the timeout value to work more efficiently with the applications. The amount of battery life depends on the values selected.
Maximizing the Energy Stored
To maximize the energy stored in the battery pack, follow these guidelines:
■Condition the battery pack at least every 30 days to improve overall battery performance.
■Keep a battery pack in the computer when using it with AC power to supply the battery pack with a constant trickle charge.
■Store the battery pack in a cool, dry place when not in use.
Conditioning a Battery Pack
CAUTION: To avoid a loss of data, ensure that all data is saved before discharging a battery pack.
To condition a battery pack, complete the following steps:
1. Plug in the AC adapter and allow the battery to charge until the fast charge arrow on the display disappears. Your battery gauge may read 100 percent for a period of time before the arrow disappears. Do not unplug the AC adapter until the arrow disappears.
Select Disabled in the Power menu of the BIOS Setup. The system will hibernate after one hour of being in suspend. By selecting Disabled, the system will not timeout and enter suspend.
2.Unplug the AC adapter and allow the battery to drain until the computer reaches hibernation and turns itself off. Do not plug in the AC adapter during this process or you will need to restart with Step No. 1. You may use the computer while the battery is draining.
3.Your battery is re-conditioned.
4.Plug in the AC adapter and begin using the computer.
This table shows battery pack charge times by model.
Battery Charge Time By Model |
|
|
Computer |
On Line |
Off Line |
Model 1/NiMH Battery Pack |
4.0 hours premature |
2:00 hr |
|
termination |
|
Model 2/Li ion Battery Pack |
4.5 hours premature |
2:50 hr |
|
termination |
|
Disposal of a Used Battery Pack
In the interest of safeguarding our environment. Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium ion (Li ion) battery packs be recycled. Handle battery packs in accordance with country, state, province, or local regulations.
CAUTION: Never attempt to open or service a battery pack. Opening a battery pack not only damages the pack and makes it unusable, but also exposes potentially harmful battery components.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Models & Features
Models and
Features
Front Of
Unit
Left Side
Components
Right Side
Components
Bottom Of
Unit
Models
This table lists the relevant features of Compaq Presario Series Portable Computers.
|
Model 1625 |
Model 1635 |
Model 1640 |
Display |
12.1"HPA |
12.1" TFT |
12.1" TFT |
Processor |
266 MMX |
233 MMX |
266 MMX |
AMD K6 |
|||
Hard Drives |
3.2 GB |
3.2 GB |
4 GB |
Speaker |
JBL Pro |
JBL Pro |
JBL Pro |
Assembly |
|||
Modem |
K-56K D/F |
M++ 56K D/F |
K-56 K D/F |
Features
All models of the computer have the following features:
●1.44-MB, 3.5-inch diskette drive
●Built-in 24× CD drive
●Ported stereo speakers
●TouchPad
●Easy Access CD Control Buttons
●91-key (Three Windows 95 keys, 12 function keys) keyboard
●External AC adapter
●PC Card slots capable of handling one of the following card combinations:
Two Type I or Type II PC cards One Type III PC card
●Battery power management features include the following:
-Advanced Power Management (APM)
-Suspend mode
-Screen save
-Hibernation
●Password security
●Preinstalled software: Windows 95 OSR 2.5 or Windows 98
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Front of Unit
Models and
Features
Front Of
Unit
Left Side
Components
Right Side
Components
Bottom Of
Unit
Front of Unit
Front of Unit
1. Display 9. CD
Previous
Track
2. Power |
10. CD |
(On/Off) |
Next |
Button |
Track |
3.11. DisqPlay Keyboard Switch
4.Volume 12. Touch Control Pad Down
Button
5.Volume 13. Left Control Up Touch Pad
Button Button
6. Status |
14. Right |
Panel |
Touch Pad |
|
Button |
7.CD 15. Play/Pause Integrated
Speakers
8.CD
Stop
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Left Side Components
Models and
Features
Front Of
Unit
Left Side
Components
Right Side
Components
Bottom Of
Unit
Left Side Components
1. |
4. |
Battery |
Modem/Phone Compartment |
||
Jack |
|
|
2. Diskette |
5. |
Left |
Drive Slot |
Speaker Port |
3. Diskette
Eject Button
Left Side Components
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Right Side Components
Models and
Features
Front Of
Unit
Left Side
Components
Right Side
Components
Bottom Of
Unit
Right Side Components
Right Side
Components
1. |
6. CD |
Headphone/ |
Drive |
Line-Out |
Eject |
Jack |
Button |
2. Line-in |
7. PC |
Jack |
Card |
|
Top |
|
Slot |
3. External |
8. PC |
Microphone |
Card |
Jack |
Bottom |
|
Slot |
4.CD Drive 9. PC Card Eject Levers
5.CD Drive 10. Light Right
Speaker Port
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Bottom Of Unit
Models and
Features
Front Of
Unit
Left Side
Components
Right Side
Components
Bottom Of
Unit
Bottom of
Unit
1.Memory Compartment
2. Feet
Bottom of Unit
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Diagnostic
Preliminary Steps
Before running POST, complete the following preliminary steps:
1.If a power-on password has been established, type the password and press the Enter key. If the password is not known, clear the password.
2.Run Computer Setup.
3.Adjust the brightness and contrast.
4.Turn off the computer and its external devices.
Disconnect any external devices that you do not want to test. Do not disconnect the printer if you want to test it or use it to log error messages.
If the problem only occurs when an external device is connected to the computer, the NOTE: problem may be related to the external device or its cable. Verify this by running
POST with and without the external device connected.
6.Install loopback plugs in the serial and parallel connectors if you would like to test these ports.
7.Ensure the hard drive is installed in the computer.
8.Ensure that the battery pack is inserted in the computer and the computer is connected to an external AC power source.
When the preliminary steps are completed, you are ready to run POST.
Clearing the Power-On Password
Clearing the power-on password requires removing all Setup attributes that are programmed in the CMOS. If the password is not known, clear it by performing the following steps:
1.Turn off the computer.
2.Disconnect the power cord.
3.Remove the battery pack.
4.Remove the keyboard.
5.Remove the RTC battery (1) for 30 seconds as shown below. The password, together with other Setup attributes, will be cleared.
Clearing the Power-On Password
6. Turn the computer on to verify the power-on password has been cleared. If it has not been cleared, repeat these steps.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Power On Self Test (POST)
Running POST
To run POST, complete the following steps:
Turn off the computer. Let stand for a 10 count, then turn the computer back on.
If POST does not detect any errors, the computer will not beep. This indicates successful completion of POST test. POST has run successfully and boots from the hard drive (or from a bootable diskette if one is installed in the diskette drive).
If POST detects errors, the errors are indicated by screen and/or audible messages. Refer to "Power-On Self-Test (POST) Codes" for a list of POST
codes and their relevant descriptions.
If the system is not functioning well enough to run POST, or if the display is not NOTE: functioning well enough to show POST error messages, refer to the Troubleshooting
tables.
Power-On Self-Test Messages 102 162 301 304 601 605 1780 1782
Probable Cause Recommended Action 102-System Board Failure
DMA, timers, etc. |
Replace the system board. |
|
162-System Options Not Set |
Configuration incorrect
CMOS reflects that an invalid configuration has been set.
RAM failure
Memory test data error XX000YZZ RAM failure
Keyboard failure
Run Computer Setup.
Run Computer Setup.
1.Replace the memory modules.
2.Replace the system board.
1.Replace the memory modules.
2.Replace the system board.
Replace the system board.
301-Keyboard Error
1.Ensure the keys are not depressed during POST.
2.Reconnect the keyboard with the computer off.
3.Replace the keyboard.
304-Keyboard or System Unit Error
1. Replace the keyboard. Keyboard or system board error 2. Replace the TouchPad or mouse.
3. Replace the system board.
601-Diskette Controller Error
Mismatch in drive type or failure in the |
1. |
Run Computer Checkup (TEST). |
2. |
Check and/or replace cables. |
|
diskette controller |
3. |
Replace the system board. |
|
||
605-Diskette Drive Error |
||
Mismatch in drive type |
Run Computer Setup. |
1780-Primary Hard Drive 0 Failure
Disk 0 failed to respond Hard drive format error
1.Run Computer Checkup (TEST).
2.Replace the hard drive.
1.Run Computer Checkup (TEST).
2.Replace the hard drive.
1782-Hard Drive Controller
Hard drive controller failure |
1. |
Run Computer Setup. |
|
2. |
Replace the hard drive. |
||
|
Back to top
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some common hardware, memory, and software problems. It also explains several types of common messages that may be displayed on the screen. The following pages contain troubleshooting information on:
Audio |
Memory |
Battery/Battery gauge |
PC Card |
CD drive |
Power |
Diskette/Diskette drive |
Printer |
Display |
Touch Pad |
Hard drive |
Keyboard/Numeric keypad |
Hardware Installation |
|
Since symptoms can appear to be similar, carefully match the symptoms of the computer malfunction against the problem description in the Troubleshooting tables to avoid a misdiagnosis.
WARNING: To avoid a potential shock hazard during troubleshooting procedures, disconnect all power sources before removing the keyboard cover or the display bezel.
Before Replacing Parts
When troubleshooting a problem, check the following list for possible solutions before replacing parts:
●Verify that cables are connected properly to the suspected defective parts.
●Run Computer Setup after connecting external devices.
●Verify that all required device drivers are installed.
●Verify that all required changes have been made to the CONFIG.SYS file.
●Verify that all required changes have been made to the AUTOEXEC.BAT file.
●Verify that all printer drivers have been installed for each application.
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Keyboard Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Solving Keyboard/Numeric Keypad Problems
Some common causes and solutions for keyboard/numeric keypad problems are listed in the following table.
|
Solving Keyboard/Numeric Keypad Problems |
|
Problem |
Probable Cause |
Solution(s) |
Embedded numeric keypad on |
Num Lock function is not |
computer keyboard is disabled. |
enabled. |
Embedded numeric keypad is |
External numeric keypad is |
disabled and Num Lock |
connected to the computer. |
function is on. |
|
Press the Shift+NumLk keys to enable the Num Lock function and embedded numeric keypad. The Num Lock icon on the status panel turns on.
Disconnect the external numeric keypad from the computer.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Hard Drive Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Solving Hard Drive Problems
Some common causes and solutions for hard drive problems are listed in the following table.
CAUTION: To prevent loss of information, always maintain an up-to-date backup of your hard drive at all times, in case of errors or failures.
|
Solving Hard Drive Problems |
|
Problem |
Probable Cause |
Solution(s) |
Reading hard drive takes an unusually long time after restarting the computer.
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 Computer Checkup.
Turn off and unplug the computer, remove the battery pack, and remove and then reinstall the hard drive.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Diskette Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Some common causes and solutions for diskette and diskette drive problems are listed below.
Solving Diskette and Diskette Drive Problems
Problem |
Probable Cause |
Solution(s) |
Diskette drive cannot write to a |
Diskette is write-protected. |
Disable the diskette's write- |
diskette. |
|
protect feature or use a |
|
|
diskette that is not write- |
|
|
protected. |
|
Computer is writing to |
Check the drive letter in the |
|
the wrong drive. |
path statement. |
|
Not enough space is left |
Use another diskette. |
|
on the diskette. |
|
|
Drive error has occurred. |
Run Computer Checkup from |
|
|
the Compaq Diagnostics |
|
|
diskette. |
|
Diskette is not formatted. |
Format the diskette. At |
|
|
the system prompt, enter |
|
|
FORMAT A: |
Diskette drive cannot read a diskette.
The wrong type of diskette is being used.
Diskette has a bad sector.
Use the type of diskette required by the drive.
Copy files to hard drive or another diskette. Reformat bad floppy.
|
Drive error has occurred. |
Run Computer Checkup from |
|
|
the Compaq Diagnostics |
|
|
diskette. |
|
Diskette is not formatted. |
Format the diskette. At the |
|
|
system prompt, enter FORMAT |
|
|
A: |
|
The floppy controller is |
Re-enable the floppy controller |
|
disabled in F10 Setup |
in F10 Setup |
Cannot boot from diskette. |
Bootable diskette is not in |
Put the bootable diskette in |
|
drive A. |
drive A. |
|
Diskette Boot has incorrect |
Run Computer Setup and set |
|
setting in Computer Setup. |
diskette as first to boot. |
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Solving Audio Problems
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Some common audio problems and solutions are listed in the following table.
Problem
Computer does not beep after the Power-On Self-Test (POST).
Solving Audio Problems |
|
Probable Cause |
Solution(s) |
This is typical; it indicates |
No action is required. |
successful completion of the |
|
Power-On Self-Test (POST). |
|
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Battery Pack
Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the problem appears related to a software application, check the documentation provided with the software.
Solving Battery Pack and Battery Gauge Problems
Some common causes and solutions for battery pack problems are listed below. The Solving Power Problems section in this chapter may also be
useful.
Solving Battery Pack and Battery Gauge Problems
Problem |
Probable Cause |
|
Solution(s) |
Computer won't turn on when |
Battery pack is discharged. |
Connect the computer to an |
|
battery pack is inserted and |
|
external power source and |
|
power cord is unplugged. |
|
charge the battery pack. |
|
|
|
Replace the battery pack with |
|
|
|
a fully charged battery pack. |
|
|
|
Check the battery connectors |
|
|
|
on the system board to verify |
|
|
|
they are evenly spaced and |
|
|
|
that they are not bent or |
|
|
|
broken. |
|
Computer is beeping |
Battery charge is low. |
Immediately save any open |
|
and battery icon on the LCD |
|
file(s). Then do one of the |
|
status display is blinking. |
|
following: |
|
|
|
■ |
Connect the computer to |
|
|
|
an external power |
|
|
|
source to charge the |
|
|
|
battery pack. |
|
|
■ |
Turn off the computer or |
|
|
|
initiate Hibernation until |
|
|
|
you can find another |
|
|
|
power source or charge |
|
|
|
the battery pack. |
Computer battery icon on the |
Volume is turned down too |
Adjust the volume. |
|
LCD status display blinks to |
low. |
|
|
indicate low battery condition, |
|
|
|
but computer does not beep. |
|
|
|
Battery icon doesn't light and |
Battery pack is already |
No action is necessary |
|
battery pack won't fast charge. charged |
|
|
|
|
Battery pack was exposed to |
Allow time for the battery pack |
|
|
temperature extremes. |
to return to room temperature. |
|
|
Battery pack is at end of its |
Replace battery pack. |
|
|
life. |
|
|
You have to set the date and |
RTC battery is dead. |
Replace the RTC battery. |
|
time every time you turn on |
|
|
|
the computer. |
|
|
|
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 is being exposed to |
Keep the battery pack within |
high temperatures or |
the recommended operating |
extremely cold temperatures. |
temperature range 50° F to |
|
104° F (10° C to 40° C) or |
|
recommended storage range - |
|
4° F to 86° F (-20° C to 30° C |
|
). Recharge the battery pack. |
Battery has partially selfdischarged.
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.
Recharge the battery. Discharge the battery completely and then recharge it.
Set a power management level in Computer Setup.
Turn off or disconnect external devices when not using them.
No action is required.
Enable power management in Computer Setup and in Windows Power Properties.
An external device or PC Card is draining the battery.
Battery pack has partially selfdischarged.
Battery pack is being exposed to high temperatures or extremely cold temperatures.
Turn off or disconnect external devices when not using them.
Condition the battery pack by fully charging, fully discharging, then fully recharging it.
To maintain the charge, leave battery packs in the computer when it is connected to external power.
If the computer is disconnected from external power for more than two weeks, remove battery packs from the computer to reduce the discharge rate.
Keep the battery pack within the recommended temperature ranges.
Operating: 50° F to 104° F (10° C to
40° C) Storage: -4° F to 86° F (-20° C to 30° C )
Recharge the battery pack.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Power Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Solving Power Problems
Also see Solving Battery and Battery Gauge Problems.
|
Solving Power Problems |
Problem |
Probable Cause |
Computer won't turn on and battery pack is not inserted*.
The computer doesn't timeout while on AC power
Computer is not connected to a power source.
Power cords to the external power source are unplugged.
Power adapter is defective.
The system is designed not to timeout while on AC power.
Solution(s)
Insert battery or connect an external power source.
Ensure that power cords connecting the computer and the external power source are plugged in properly.
Replace AC Adapter and restart.
Windows will spin down the hard drive. Windows can be configured to power off the monitor using the display properties control panel applet. Alternatively, the user can change "BIOS-PM on AC" in the BIOS setup.
Computer turned off while it was left unattended and the power icon is off.
System board is defective. |
Replace the system board. |
System initiated Hibernation |
Replace the battery pack with |
due to a critical low-battery |
a fully charged battery pack |
condition. |
or connect the computer to |
|
an external power source. |
|
Then turn on the computer. |
System initiated Hibernation |
Turn on the computer. |
after a preset timeout. |
|
* In rare cases, it may be necessary to remove the power cord and the battery, wait 30 seconds, and reinsert the power cord to power on the unit. The above steps reset the keyboard controller which is usually always powered, even when the computer appears to be off.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
CD Drive Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the problem appears related to a software application, check the documentation provided with the software.
Solving CD Drive Problems
Some common causes and solutions for CD drive problems are listed in the following table.
|
Solving CD Drive Problems |
|
Problem |
Probable Cause |
Solution(s) |
CD drive cannot read a compact disc.
No CDs work at all.
Compact disc is upside down or is improperly inserted in the CD drive.
CD is CD Plus or Pregap/Track 0 type.
The Performance tab in System properties shows that one or more of the hard disks in your computer is using MSDOS Compatibility mode.
Open the CD loading tray, lay the compact disc in it (label side up), then close the tray.
Cannot read these type CDs in 24× CD drive. Remove the CD.
If the driver name listed as causing MS-DOS Compatibility mode is MBRINT13.SYS, your computer may be infected with a boot-sector virus. Please purchase a virus scanning software package (consult your local software retailer for recommendations) to check your system. If the application you purchase successfully eliminates the virus, scan (check) all of your diskettes before re-installing to prevent further contamination.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Hardware Installation Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Solving Hardware Installation Problems
Some common causes and solutions for hardware installation problems are listed here.
Solving Hardware Installation Problems
Problem |
Probable Cause |
Solutions(s) |
A new device is not recognized |
Cable(s) of new external |
Ensure that all cables are |
as part of the computer system. |
device are loose or |
properly and securely |
|
power cables are unplugged. |
connected. |
Power switch of new external device is not turned on.
Turn off the computer, turn on the external device, then turn on the computer to integrate the device with the computer system.
Device is not seated properly. Turn off the computer and reinsert the device.
Back to Troubleshooting Without Diagnostics
Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface | Home | Product Description | Troubleshooting | Illustrated Parts Catalog Removal & Replacement Procedures | Specifications | Connector Pin Assignments | Battery Pack
Memory Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the problem appears related to a software application, check the documentation provided with the software.
Solving Memory Problems
Some common causes and solutions for memory problems are listed in the following table.
Problem
Memory count during PowerOn Self-Test (POST) is incorrect.
"Out of Memory" message is displayed on the screen or insufficient memory
error occurs during operation.
Solving Memory Problems |
|
Probable Cause |
Solution(s) |
Optional memory expansion card is installed incorrectly, is incompatible with
the computer, or is defective.
System ran out of memory for the application.
Too many TSR (terminate-and stay-resident) applications are running.
Ensure that the optional memory expansion card is installed correctly.
Check the application documentation for memory requirements.
Install additional memory.
Remove from memory any TSR applications that you do not need.
Back to Troubleshooting Without Diagnostics