HP OmniBook 7100 Service Manual — Repair & Maintenance Guide (EN)

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Notice In a continuing effort to improve the quality of our products, technical and environmental information in this document is subject to change without notice. This manual and any examples contained herein are provided “as is” and are subject to change without notice. Hewlett-Packard Company makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard Co. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein.

Consumer transactions in Australia and the United Kingdom: The above disclaimers and limitations shall not apply to Consumer transactions in Australia and the United Kingdom and shall not affect the statutory rights of Consumers. © Copyright Hewlett-Packard Company 1998. All rights reserved. Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed under the copyright laws. The programs that control this product are copyrighted and all rights are reserved. Reproduction, adaptation, or translation of those programs without prior written permission of Hewlett-Packard Co. is also prohibited.

Portions of the programs that control this product may also be copyrighted by Microsoft Corporation, SystemSoft Corp., Crystal Semiconductor Corporation, Phoenix Technologies, Ltd., and ATI Technologies Inc. See the individual programs for additional copyright notices. Microsoft, MS, MS-DOS, and Windows are registered trademarks of Microsoft Corporation. Pentium and the Intel Inside logo are U.S. registered trademarks and MMX is a U.S. trademark of Intel Corporation. TrackPoint is a U.S. registered trademark of International Business Machines. All certifications may not be completed at product introduction. Check with your HP reseller for certification status.

This equipment is subject to FCC rules. It will comply with the appropriate FCC rules before final delivery to the buyer. Hewlett-Packard Company Mobile Computing Division 19310 Pruneridge Ave. Cupertino, CA 95014, U.S.A. Edition History Edition 1.............................April 1998 ii HP OmniBook 7100

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Contents 1. Product Information..................................................................................................

1-1 Features and Operation..................................................................................................................1-2 Turning the OmniBook On and Off .......................................................................................1-4 Checking the Status of the OmniBook ...................................................................................1-5 Using Fn Hot Keys .................................................................................................................1-6 Resetting the OmniBook ........................................................................................................1-7 System Resources...................................................................................................................1-7 Specifications ................................................................................................................................1-9 Internal Design ............................................................................................................................1-12 2.

Removal and Replacement........................................................................................

2-1 Removing the Battery or Plug-In Module (User-Replaceable) .....................................................2-3 Removing a RAM Board (User-Replaceable)...............................................................................2-4 Removing the Hard Disk Drive (User-Replaceable).....................................................................2-5 Replacing Small Parts (User-Replaceable) ...................................................................................2-7 Removing the Keyboard (HP Authorized Service Providers Only)..............................................2-8 Removing the Heatsink (HP Authorized Service Providers Only) ...............................................2-9 Removing the Display Assembly (HP Authorized Service Providers Only) ..............................2-11 Removing LCD Module (HP Authorized Service Providers Only)............................................2-12 Removing the Top Case (HP Authorized Service Providers Only) ............................................2-14 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only).............2-15 Removing the BIOS IC (HP Authorized Service Providers Only) .............................................2-19 Removing Other Components (HP Authorized Service Providers Only) ...................................2-20 3.

Troubleshooting and Diagnostics .............................................................................

3-1 Troubleshooting ............................................................................................................................3-2 Troubleshooting the Problem .................................................................................................3-2 Verifying the Repair...............................................................................................................3-3 Suggestions for Troubleshooting............................................................................................3-4 Diagnostic Tools .........................................................................................................................3-11 OmniBook Diagnostic Program ...........................................................................................3-11 Power-On Self-Test..............................................................................................................3-16 Sycard PCCtest 450 CardBus Card (Optional) ....................................................................3-16 Desktop Management Interface (DMI) ................................................................................3-20 BIOS Setup Utility................................................................................................................3-22 4.

Replaceable Parts....................................................................................................... 4-1 5. Reference Information............................................................................................... 5-1 Password Removal Policy.............................................................................................................5-1 Hewlett-Packard Display Quality Statement.................................................................................5-2 HP OmniBook 7100 iii

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Figures Figure 1-1. OmniBook - Front View....................................................................................................1-2 Figure 1-2. OmniBook - Side View.....................................................................................................1-2 Figure 1-3. OmniBook - Rear View.....................................................................................................1-3 Figure 1-4. Replaceable Module Diagram......................................................................................... 1-12 Figure 2-1. Removing the Battery or Module......................................................................................2-3 Figure 2-2.

Removing a RAM Board...................................................................................................2-4 Figure 2-3. Removing the Hard Disk Drive.........................................................................................2-5 Figure 2-4. Installing a Hard Drive in the Case ...................................................................................2-6 Figure 2-5. Removing the Keyboard....................................................................................................2-8 Figure 2-6. Removing the Heatsink ...................................................................................................2-10 Figure 2-7.

Removing the Display Assembly ....................................................................................2-11 Figure 2-8. Removing the LCD Module............................................................................................ 2-13 Figure 2-9. Removing the Top Case ..................................................................................................2-15 Figure 2-10. Removing the Motherboard (Part 1)..............................................................................2-16 Figure 2-11. Removing the Motherboard (Part 2)..............................................................................2-17 Figure 2-12.

Removing the BIOS IC .................................................................................................2-20 Figure 3-1. Basic Troubleshooting Steps.............................................................................................3-2 Figure 3-2. OmniBook Diagnostic Screens — Basic and Advanced.................................................3-11 Figure 3-3. Serial and Parallel Loopback Connectors........................................................................3-13 Figure 3-4. DMI Components............................................................................................................3-21 Figure 4-1.

Exploded View..................................................................................................................4-2 Figure 4-2. Display Components .........................................................................................................4-5 Figure 4-3. Top Case Components ......................................................................................................4-6 Figure 4-4. Motherboard-Related Components ...................................................................................4-6 Tables Table 1-1. OmniBook 7100 Models ....................................................................................................1-1 Table 1-2.

Product Comparisons..........................................................................................................1-3 Table 1-3. Activating Power Modes ....................................................................................................1-4 Table 1-4. Status Panel Indicators (Icon PCA)....................................................................................1-5 Table 1-5. Status Lights (Front-IR PCA).............................................................................................1-6 Table 1-6. Fn Hot Keys........................................................................................................................1-6 Table 1-7.

System Interrupts................................................................................................................1-7 Table 1-8. System Memory..................................................................................................................1-8 Table 1-9. System Input/Output Addresses (100-3FF) ........................................................................1-8 Table 1-10. DMA Channels.................................................................................................................1-8 Table 1-11. OmniBook 7100 Specifications........................................................................................1-9 Table 1-12.

OmniBook 7100 Accessories .........................................................................................1-11 Table 1-13. Functional Structure........................................................................................................1-13 Table 2-1. Removal Cross-Reference ..................................................................................................2-1 Table 2-2. Required Equipment...........................................................................................................2-2 Table 2-3. Recommended Screw Torques ........................................................................................... 2-2 Table 2-4.

RAM Board Replacement Part Numbers ...........................................................................2-4 Table 2-5. Hard Disk Drive Replacement Part Numbers.....................................................................2-5 Table 2-6. Replacing Small Parts (User-Replaceable).........................................................................2-7 Table 2-7. Removing Display Components.......................................................................................2-21 Table 2-8. Removing Top Case Components ....................................................................................2-22 Table 2-9.

Removing Bottom Case Components...............................................................................2-23 Table 3-1. Scope of Diagnostic Tools..................................................................................................3-4 iv HP OmniBook 7100

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