Service Manual: HP OmniBook 2100/3000/3100 — Repair & Maintenance (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 1997, 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 NeoMagic, 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. 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 Edition 2.............................. July 1998 ii HP OmniBook 2100/3000/3100

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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 Functions Keys (F1 through F12) ................................................................................1-6 Resetting the OmniBook ........................................................................................................1-7 System Resources...................................................................................................................1-8 Specifications ..............................................................................................................................1-10 Internal Design ............................................................................................................................1-14 2.

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

2-1 Removing the Main Battery (User-Replaceable) ..........................................................................2-3 Removing a Plug-In Accessory Module (User-Replaceable)........................................................2-4 Removing the Hard Disk Drive (User-Replaceable).....................................................................2-5 Removing a RAM Board (User-Replaceable)...............................................................................2-7 Replacing Small Parts (User-Replaceable) ...................................................................................2-9 Removing the Display Assembly (HP Authorized Service Providers Only) ................................2-9 Removing the LCD Module (HP Authorized Service Providers Only) ......................................2-12 Removing a 12" Display Case or Display Bracket (HP Authorized Service Providers Only)....2-16 Removing a 13" Display Case or Display Bracket (HP Authorized Service Providers Only)....2-18 Removing the Keyboard (HP Authorized Service Providers Only)............................................2-20 Removing the Top Case (HP Authorized Service Providers Only) ............................................2-21 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only).............2-25 Removing a BIOS IC (HP Authorized Service Providers Only).................................................2-29 Removing Other Components (HP Authorized Service Providers Only) ...................................2-31 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 .........................................................................................................................3-12 OmniBook Diagnostic Program ...........................................................................................3-12 Power-On Self-Test..............................................................................................................3-17 Sycard PCCtest 450 CardBus Card (Optional) ....................................................................3-20 Desktop Management Interface (DMI) ................................................................................3-21 BIOS Setup Utility................................................................................................................3-23 4.

Replaceable Parts....................................................................................................... 4-1 5. Reference Information............................................................................................... 5-1 Password Removal Policy.............................................................................................................5-1 Hewlett-Packard Display Quality Statement.................................................................................5-2 Service Notes and Obsolete Parts..................................................................................................5-5 HP OmniBook 2100/3000/3100 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 - Back View....................................................................................................1-3 Figure 1-4. Replaceable Module Diagram......................................................................................... 1-14 Figure 2-1. Removing the Main Battery ..............................................................................................2-3 Figure 2-2.

Removing a Plug-In Module .............................................................................................2-4 Figure 2-3. Removing the Hard Drive .................................................................................................2-5 Figure 2-4. Installing a Hard Drive in the Case ...................................................................................2-6 Figure 2-5. Removing the RAM Cover................................................................................................2-8 Figure 2-6. Removing a RAM Board...................................................................................................2-8 Figure 2-7.

Removing the Hinge Covers and Icon Window Cover...................................................2-10 Figure 2-8. Removing the Icon PCA and Display Assembly.............................................................2-11 Figure 2-9. Removing the Hinge Covers and Icon Window Cover...................................................2-13 Figure 2-10. Removing the Display Bezel.........................................................................................2-14 Figure 2-11. Removing the 12" LCD Module ...................................................................................2-15 Figure 2-12.

Removing the 13" LCD Module ...................................................................................2-15 Figure 2-13. Removing a 12" Display Case and Display Bracket .....................................................2-17 Figure 2-14. Removing a 13" Display Case and Display Bracket .....................................................2-19 Figure 2-15. Removing the Hinge Covers and Icon Window Cover.................................................2-20 Figure 2-16. Removing the Keyboard................................................................................................2-21 Figure 2-17.

Removing the Heatsink .................................................................................................2-22 Figure 2-18. Removing the Case Screws ...........................................................................................2-23 Figure 2-19. Removing the Top Case ................................................................................................2-24 Figure 2-20. Two Types of CPU Modules and Thermal Kits............................................................2-25 Figure 2-21. Removing the Motherboard...........................................................................................2-26 Figure 2-22.

Installing OmniBook 3000 Regulatory and Serial Labels.............................................2-29 Figure 2-23. Removing a BIOS IC ....................................................................................................2-30 Figure 3-1. Basic Troubleshooting Steps.............................................................................................3-2 Figure 3-2. OmniBook Diagnostic Screens — Basic and Advanced.................................................3-12 Figure 3-3. Serial and Parallel Loopback Connectors........................................................................3-14 Figure 3-4.

DMI Components............................................................................................................3-22 Figure 4-1. Exploded View..................................................................................................................4-2 Tables Table 1-1. OmniBook 2100/3000/3100 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. Indicator Lights (Icon PCA and Battery)............................................................................1-6 Table 1-6. Function Keys (F1-F12)......................................................................................................1-6 Table 1-7. System Interrupts................................................................................................................1-8 Table 1-8. System Memory..................................................................................................................1-8 Table 1-9.

System Input/Output Addresses (100-3FF) ........................................................................1-9 Table 1-10. DMA Channels.................................................................................................................1-9 Table 1-11. HP OmniBook 2100/3000/3100 Specifications .............................................................1-10 Table 1-12. HP OmniBook 2100/3000/3100 Accessories.................................................................1-12 Table 1-13. Functional Structure........................................................................................................1-15 Table 2-1.

Removal Cross-Reference ..................................................................................................2-1 iv HP OmniBook 2100/3000/3100

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