HP Omnibook 800csct Service Manual

							Service ManualHP OmniBook 800CS/CT 
						

							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.
Hewlett-Packard makes no warranty of any kind with regard to
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incidental or consequential damages in connection with the
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products meet the ENERGY STAR guidelines for energy
efficiency.
All Certifications may not be completed at product introduction.
Please check with your HP reseller for certification status.
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appropriate FCC rules before final delivery to the buyer.
ENERGY STAR is a service mark of the U.S. Environmental
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and TrackPoint is a trademark of International Business
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Ó Hewlett-Packard Company 1997.
All Rights Reserved.  Reproduction, adaptation, or translation
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under copyright laws.
Printed in U.S.A.
F1360-90049 
						

							iTable of Contents
List of Figures.............................................................................................................................iii
List of Tables..............................................................................................................................iv
Introduction.................................................................................................................................v
Product Overview........................................................................................................................1
What’s New.............................................................................................................................2
Product Features.....................................................................................................................3
Product at a Glance.................................................................................................................4
Product Comparisons...............................................................................................................6
Troubleshooting...........................................................................................................................3
Power-On Self-Test.................................................................................................................4
Beep Codes..........................................................................................................................4
Display Codes......................................................................................................................5
OmniBook Diagnostics.............................................................................................................7
Running the diagnostics program..........................................................................................7
Main diagnostic screen.........................................................................................................7
Special test hardware requirements......................................................................................9
Loop Back Connectors........................................................................................................10
Command line options........................................................................................................12
User interface commands...................................................................................................13
Details on using the diagnostic tests...................................................................................17
Desktop Management Interface (DMI)....................................................................................28
Description of DMI..............................................................................................................28
Contents of the DMI Package.............................................................................................28
Setup and Configuration........................................................................................................31
SCU Main Screen...............................................................................................................31
System Menu Screen.........................................................................................................32
Password Configuration......................................................................................................34
Input/Output Menu Screen..................................................................................................35
Power Menu Screen...........................................................................................................37
Default Menu Screen..........................................................................................................38
Exit Menu Screen...............................................................................................................39
Troubleshooting Tips..............................................................................................................40
OmniBook Components......................................................................................................40
CD ROM Drive Troubleshooting.........................................................................................45
Resolving Docking Station Operating Problems..................................................................46
Resolving OmniBook Docking Problems............................................................................47
Hardware Repair.......................................................................................................................49
Battery (End User Replaceable).............................................................................................50
Memory (End User Replaceable)...........................................................................................51
Hard Disk Drive  (End User Replaceable)..............................................................................53
Hard Disk Drive Breather Holes..........................................................................................57
Mouse (End User Replaceable)..............................................................................................58
Small Parts (End User Replaceable)......................................................................................59
Battery Latch......................................................................................................................59
I/O Door.............................................................................................................................59
Memory Cover....................................................................................................................59
PCMCIA Card Tray.............................................................................................................59
Rubber Feet.......................................................................................................................59
Keyboard (HP Authorized Service Providers Only)................................................................60
Display (HP Authorized Service Providers Only)....................................................................62
CPU (HP Authorized Service Providers Only)........................................................................67
Heat Transfer Disk..............................................................................................................68
Logic PCA Board (HP Authorized Service Providers Only).....................................................70 
						

							iiElectronic Serial Number....................................................................................................70
Paw Active (HP Authorized Service Providers Only)..............................................................73
Other Components and Accessories (HP Authorized Service Providers Only)........................74
Appendix A - Technical Specifications.......................................................................................78
Mass Storage Specifications..................................................................................................78
Hard Disk Drive..................................................................................................................78
Floppy Disk Drive...............................................................................................................78
CD-ROM Drive...................................................................................................................79
System Resources.................................................................................................................80
System Interrupts (IRQs)....................................................................................................80
DMA Channels...................................................................................................................81
Memory Map......................................................................................................................81
I/O Addresses.....................................................................................................................82
Appendix B - Hewlett-Packard Password Removal Policy..........................................................83
Appendix C - Hewlett-Packard TFT Display Quality Statement..................................................85
Appendix D - OmniBook Diagnostics BIOS Checksums............................................................86
Appendix E - OmniBook Diagnostics Error Messages................................................................87
Hewlett-Packard supplied test messages............................................................................87
Watergate Software supplied test messages......................................................................90
Appendix F - Part Numbers.......................................................................................................95 
						

							iiiList of Figures
Figure 1 - OmniBook 800 External Features................................................................................3
Figure 2 - OmniBook 800 External Features (continued).............................................................3
Figure 3 - Exploded Diagram.......................................................................................................4
Figure 4 - Main Diagnostic Screen...............................................................................................8
Figure 5 - Serial Loop Back Connector......................................................................................10
Figure 6 - Parallel Loop Back Connector...................................................................................10
Figure 7 - SCSI Loop Back Connector.......................................................................................10
Figure 8 - SyCard Solder Bridges..............................................................................................11
Figure 9 - Sycard Test Results..................................................................................................19
Figure 10 - Keyboard Test Screen.............................................................................................21
Figure 11 - Mouse Test Screen (text mode)...............................................................................23
Figure 12 - Mouse Test Screen (graphics mode).......................................................................24
Figure 13 - Dock Keyboard Test Screen....................................................................................27
Figure 14 - DMI Components.....................................................................................................29
Figure 15 - Removing the Battery..............................................................................................50
Figure 16 - 8- and 16-MB Memory Modules...............................................................................51
Figure 17 - New and Old 32-MB Memory Module (respectively)................................................51
Figure 18 - Removing the Memory Module................................................................................52
Figure 19 - Hard Drive Screws...................................................................................................53
Figure 20 - Folding the Keyboard Open.....................................................................................54
Figure 21 - Hard Drive Removal................................................................................................54
Figure 22 - Hard Drive Removal (continued).............................................................................55
Figure 23 - Hard Drive Insulator Flap.........................................................................................55
Figure 24 - Inserting the Hard Drive...........................................................................................56
Figure 25 - Proper Keyboard Flex Cable Position......................................................................56
Figure 26 - IBM and Toshiba Hard Drive Breather Holes (respectively).....................................57
Figure 27 - Removing the Mouse...............................................................................................58
Figure 28 - Keyboard Screws.....................................................................................................60
Figure 29 - Folding the Keyboard Open.....................................................................................60
Figure 30 - Keyboard Flex Cables.............................................................................................61
Figure 31 - Keyboard Flex Cable Placement.............................................................................61
Figure 32 - Bottom Case Screws and Rubber Feet....................................................................62
Figure 33 - Keyboard Support Plate Screws..............................................................................63
Figure 34 - Display Flex Cables.................................................................................................64
Figure 35 - Top Case and Display Removal..............................................................................65
Figure 36 - Intel Inside Sticker Placement.................................................................................66
Figure 37 - Removing the CPU..................................................................................................67
Figure 38 - Heat Transfer Disk and Keyboard Support Insulator................................................68
Figure 39 - CPU Thermal Coupling............................................................................................68
Figure 40 - Logic PCA Removal................................................................................................71
Figure 41 - Grommet and Bushing Placement...........................................................................72
Figure 42 - Paw Active Removal...............................................................................................73 
						

							ivList of Tables
Table 1 - Parts Identification........................................................................................................5
Table 2 - POST Beep Codes.......................................................................................................4
Table 3 - POST Display Codes....................................................................................................5
Table 4 - Diagnotic Command Line Options..............................................................................12
Table 5 - Diagnostic Test Selection Commands........................................................................13
Table 6 - Diagnostic Commands for Toggling Settings..............................................................14
Table 7 - Diagnostic Hidden Commands....................................................................................15
Table 8 - Diagnostic Test Parameters........................................................................................16
Table 9 - System Menu Settings................................................................................................32
Table 10 - System Password Matrix..........................................................................................34
Table 11 - Input/Output Menu Settings......................................................................................35
Table 12 - Power Menu Settings................................................................................................37
Table 13 - Default Menu Settings..............................................................................................38
Table 14 - Exit Menu Settings....................................................................................................39
Table 15 - OmniBook Troubleshooting Tips...............................................................................40
Table 16 - CD-ROM Troubleshooting Tips.................................................................................45
Table 17 - Hard Disk Drive Specifications..................................................................................78
Table 18 - Floppy Disk Drive Specifications...............................................................................79
Table 19 - CD-ROM Drive Specifications..................................................................................79
Table 20 - Interrupts for F1171 - F1175.....................................................................................80
Table 21 - Interrupts for F1360..................................................................................................80
Table 22 - DMA Channels for F1171 - F1175, and F1360..........................................................81
Table 23 - Memory Map for F1171 - F1175...............................................................................81
Table 24 - Memory Map for F1360............................................................................................81
Table 25 - I/O Address for F1171 - F1175.................................................................................82
Table 26 - I/O Addresses for F1360...........................................................................................82
Table 27 - OmniBook F1171 - F1175 BIOS Checksums............................................................86
Table 28 - OmniBook F1360 BIOS Checksums.........................................................................86 
						

							vIntroduction
This document provides reference information for the HP OmniBook 800.  It is intended to be
used by HP-qualified service personnel to help with the installation, servicing, and repair of these
HP OmniBook PCs.
It is a self-paced guide designed to train you to install, configure, and repair the OmniBook
Notebook PC.  You can follow it without having any equipment available.
The following table lists additional sources where supplementary information can be obtained:ResourceNumber/AddressCommentsHP External Webhttp://hpcc998.external.hp.com/mcd/No usage restrictionHP-MCD Internal Webhttp://webmcd.cv.hp.comRestricted to HP internet
access onlyHP MCD Service
[email protected] address for service
related questions and
issues 
						

							Part 1
Product Overview
· What’s New
· Product Features
· Product at a Glance
· Product Comparisons 
						

							2What’s New
This version of the HP OmniBook 800 Service Manual has been updated to include the HP
OmniBook 800 with MMXä
 Technology (F1360A).  The following is a list comparing the
technologies of the various models of the OmniBook 800.FeatureOmniBook 800 with MMX(F1360)OmniBook 800(F1171 - F1175)Processor
Intel Pentiumâ
 166-MHz with
MMX TechnologyIntel Pentium 100- and 133-
MHz processorCache512-KB L2256-KB L2VideoNeoMagic  NM2093 128-bit
accelerated controller with
2MB video RAM and Zoom
VideoNeoMagic NM2070 128-bit
accelerated controller with
1MB RAMPC CardCardBus supportNo CardBus supportDesktop Management
InterfacePre-installed DMI 1.1 softwareNo DMI software installedAdvanced Power
ManagementAPM 1.2APM 1.1