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Service Manual HP OmniBook 300, 425, 430, 530 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 this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett- Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. Hewlett-Packard assume...
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Service Manual

HP OmniBook 300, 425, 430, 530,

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 this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett- Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard. As an ENERGY STAR partner, HP has determined that these 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. This equipment is subject to FCC rules. It will comply with the appropriate FCC rules before final delivery to the buyer. ENERGY STAR is a service mark of the U.S. Environmental Protection Agency. IBM and OS/2 are registered trademarks of International Business Machines Corporation. Pentium and the Intel Inside logo are registered trademarks of Intel Corporation. LapLink Remote Access is a trademark of Traveling Software, Inc. Microsoft, MS-DOS, and Windows are registered trademarks, and the Genuine Microsoft Products logo is a trademark of Microsoft Corporation in the United States of America and in other countries. Hewlett-Packard Company 1996. All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under copyright laws. Printed in U.S.A. 5965-0244,

Table of Contents

Table of Figures ... iv Introduction ...v Product Overview...1 Product Features ...2 OmniBook 300, 425, and 430 ...2 OmniBook 530 ...3 Product Comparisons...4 Product at a Glance ...6 Troubleshooting...9 OmniBook Self-Test...10 Loop Back Connectors...10 Troubleshooting Flowchart ...12 Main Troubleshooting Flowchart ...13 Power Source Problems ...15 Boot-Up Problems ...18 Display Problems ...19 Hard Disk Problems...20 Memory Problems ...23 Power Management Problems...25 Pop-Out Mouse Problems...28 Floppy Drive Problems ...32 Parallel Port Problems...35 Serial Port Problems ...37 PCMCIA Problems ...39 IR Port Problems...43 Hardware Repair ...45 Battery (End User Replaceable)...46 Memory (End User Replaceable) ...48 Hard Disk Drive/Flash Card and System ROM (End User Replaceable)...50 Mouse (End User Replaceable)...52 Small Parts (End User Replaceable) ...53 Battery Door ...53 Battery Door Latch...53 Blank Modem Door...53 Memory Door ...53 I/O Door ...53 Rubber Feet ...53 PCMCIA Card Tray...53 Display (HP Authorized Service Providers Only)...54 Keyboard (HP Authorized Service Providers Only) ...62 Logic PCA Board (HP Authorized Service Providers Only)...63 Paw Carrier (Paw Active) (HP Authorized Service Providers Only) ...65 Other Components (HP Authorized Service Providers Only)...66 Appendix A - Technical and Resource Specifications ...67 Mass Storage Specifications ...67 Card Services and Socket Services Version Matrix...67 Memory Map...68 Upper Memory Block Space...68 DOS Conventional Memory ...68 Appendix B - Power On Self Test Codes ...69 Beep Codes ...69 Display Codes...70 Appendix C - Password Policy...75 ii, Appendix D - Part Numbers...77 iii,

Table of Figures

Figure 1 - OmniBook 300, 425, and 430 Features ...2 Figure 2 - OmniBook 530 Features...3 Figure 3 - Serial Loop Back Connector ...11 Figure 4 - Parallel Loop Back Connector ...11 Figure 5 - OmniBook Memory Modules ...48 Figure 6 - Removing the Memory Module...49 Figure 7 - Removing Card Slot Tray ...51 Figure 8 - Removing the Mouse ...52 Figure 9 - Outer Bottom Case Components ...54 Figure 10 - Backplane Standoffs...55 Figure 11 - Bottom Case Tabs...55 Figure 12 - Bottom Case Prying Locations...56 Figure 13 - I/O Port Prying Location ...56 Figure 14 - Disconnecting Display Cable ...57 Figure 15 - Keyboard Flex Cables ...58 Figure 16 - Display Grounding Eyelets...58 Figure 17 - Display Cable Probe Position ...60 Figure 18 - Reconnecting Display Cable...60 Figure 19 - I/O Port Eyelets (all present)...61 Figure 20 - I/O Port Eyelets (two matched sets)...61 Figure 21 - I/O Port Eyelets (only one matched set)...61 Figure 22 - I/O Port Eyelets (no eyelet in position one) ...61 Figure 23 - Logic Board PCA Removal...63 Figure 24 - Paw Carrier Removal ...65 iv,

Introduction

This document provides reference information for the HP OmniBook 300, HP OmniBook 425, HP OmniBook 430, and HP OmniBook 530. 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: Resource Number/Address Comments HP External Web http://hpcc998.external.hp.com/mcd/ No usage restriction HP-MCD Internal Web http://webmcd.cv.hp.com Restricted to HP internet access only HP MCD Service email is hidden Email address for service Engineer related questions and issues v,

Part 1 Product Overview

• Product Features • Product Comparisons • Product at a Glance,

Product Features OmniBook 300, 425, and 430

Figure 1 - OmniBook 300, 425, and 430 Features 1. Latch 11. AC adapter socket 2. Display 12. Serial port connector 3. Keyboard 13. Parallel port connector 4. Card slot A 14. Infrared port 5. Card-eject levers 15. System slots (C and D) 6. On/Off key 16. Memory-expansion slot 7. Mouse 17. Modem port 8. Mouse-eject button 18. Battery compartment 9. Display contrast buttons 19. Security ring 10. Speaker 20. Reset button,

OmniBook 530

Figure 2 - OmniBook 530 Features 1. Latch 12. Serial port connector 2. Display 13. Parallel port connector 3. Keyboard 14. VGA output connector 4. Card slots 15. System slots 5. Card-eject levers 16. Memory-expansion slot 6. On/Off key 17. Modem port 7. Mouse 18. Battery compartment 8. Mouse-eject button 19. Security ring 9. Display contrast buttons 20. Infrared port 10. Speaker 21. Reset button 11. AC adapter socket,

Product Comparisons OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 Size Closed 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm 16.3 x 28.2 x 3.6 cm

(6.4 x 11.1 x 1.4 in) (6.4 x 11.1 x 1.4 in) (6.4 x 11.1 x 1.4 in) (6.4 x 11.1 x 1.4 in)

Weight 1.31 kg (2.888 lb) 1.31 kg (2.888 lb) 1.36 kg (2.998 lb) 1.36 kg (2.998 lb)

w/flash w/flash 1.36 kg (2.998) w/hdd 1.36 kg (2.998) w/hdd

Processor 386SXLV 486SLC/e 486SLC/e Intel© 486SX Clock Speed 20 MHz 25 MHz 25 MHz 33 MHz Display 640 x 480 VGA 640 x 480 VGA 640 x 480 VGA 640 x 480 VGA

9-inch diagonal LCD 9-inch diagonal LCD 9-inch diagonal LCD 9-inch diagonal LCD 16 shades of gray 16 shades of gray

VGA-out Support none none none 640 x 480, 16 or 256

colors 800 x 600, 16 colors

Battery 4.8 Vdc nickel-metal- 4.8 Vdc nickel-metal- 4.8 Vdc nickel-metal- 4.8 Vdc nickel-metal-

hydride rechargeable hydride rechargeable hydride rechargeable hydride rechargeable 1.5 V alkaline AA (flash 1.5 V alkaline AA (flash 1.5 V lithium AA version only) version only)

Battery Life 5 hours w/hdd 4.5 hours w/hdd 4.5 hours 4 hours

9 hours w/flash 8 hours w/flash

AC Adapter 100 to 240 Vac (50 to 100 to 240 Vac (50 to 100 to 240 Vac (50 to 100 to 240 Vac (50 to

60 Hz) input 60 Hz) input 60 Hz) input 60 Hz) input 12 Vdc output 12 Vdc output 12 Vdc output 12 Vdc output

Recharge Time less than 1.5 hours less than 1.5 hours less than 1.5 hours less than 1.5 hours

w/ac adapter w/ac adapter w/ac adapter w/ac adapter

Operating 0 to 40 C (32 to 104 F) 0 to 40 C (32 to 104 F) 0 to 40 C (32 to 104 F) 0 to 40 C (32 to 104 F) Temperature Storage 0 to 55 C (32 to 131 F) 0 to 55 C (32 to 131 F) 0 to 55 C (32 to 131 F) 0 to 55 C (32 to 131 F) Temperature (with

data retention)

Operating and 90% relative humidity at 90% relative humidity at 90% relative humidity at 90% relative humidity at Storage Humidity 40 C (104 F) maximum 40 C (104 F) maximum 40 C (104 F) maximum 40 C (104 F) maximum Mass Storage 40-MB hard disk 40-MB hard disk 105-MB hard disk 130-MB hard disk Available 10-MB flash disk 10-MB flash disk 40-MB hard disk Memory 2 MB RAM 2 MB RAM 2 MB RAM on 40- 4 MB RAM MB version

4 MB RAM on 105-

MB version Memory 2-MB, 4-MB 2-MB, 4-MB 2-MB, 4-MB 4-MB, 8-MB Expansion Available Input/Output 9-pin, 115K baud, 9-pin, 115K baud, 9-pin, 115K baud, 9-pin, 115K baud, RS-232 port RS-232 port RS-232 port RS-232 port

25-pin parallel port 25-pin parallel port 25-pin parallel port 25-pin parallel port 115K baud, 115K baud, 115K baud, 115K baud, bidirectional infrared bidirectional infrared bidirectional infrared bidirectional infrared port port port port

Communication port Communication port Communication port Communication port

for optional for optional for optional for optional fax/modem fax/modem fax/modem fax/modem

Keyboard and 85 keys 85 keys 85 keys 85 keys Mouse Industry-standard, full- Industry-standard, full- Industry-standard, full- Industry-standard, full-

sized key spacing sized key spacing sized key spacing sized key spacing Embedded numeric Embedded numeric Embedded numeric Embedded numeric keypad keypad keypad keypad 9 Fn keys 12 Fn keys 12 Fn keys 12 Fn keys Built-in pop-up mouse Built-in pop-up mouse Built-in pop-up mouse Built-in pop-up mouse

Expandability PCMCIA, Type II, PCMCIA, Type II, PCMCIA, Type II, Two PCMCIA Type II

Version 2.0 card slots Version 2.0 card slots Version 2.0 card slots slots (one Type III slot) Two slots available with Two slots available with One slot available with Optional floppy disk,

OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530

the flash disk version the flash disk version the hard disk version drive One slot available with One slot available with the hard disk version the hard disk version

Pre-installed MS© Windows 3.1* MS© Windows 3.1* MS© Windows 3.1 MS© Windows 3.11 Software MS DOS

© 5.0* MS DOS© 5.0* MS DOS© 6.2 MS DOS© 6.2 MS Word 2.0* MS Word 2.0* LapLink Remote LapLink Remote MS Excel 4.0* MS Excel 4.0* Access™ Access™ LapLink Remote LapLink Remote Phone Book Phone Book Access™ Access™ Appointment Book Appointment Book Phone Book Phone Book HP Financial Calculator HP Financial Calculator Appointment Book Appointment Book HP Financial Calculator HP Financial Calculator *(Note: All components not included can be installed from a retail copy. License for full Microsoft Word, Microsoft Excel, MS- DOS, and Microsoft Windows is included with purchase.),

Product at a Glance

35 32 11 136192181122115 2 137213222622523 30 4 13 19 6 10 20 8 21 31 34 25, Description Part Number OB300 OB425 OB430 OB530 1 Standoff 0380-4060 2 Screw M2x4.6mm (T6) 0515-2396 3 Mouse 5061-4390 4 Arm Eject Mouse Spring F1030-00016 5 Pivot Door Spring F1030-00026 6 Spring Card Eject F1030-00029 7 Mouse Latch Spring F1030-00030 8 Mylar Mouse Shield F1030-20001 9 Door Battery Door Battery (10 pack) F1030-60912 Door Battery (silver) F1052-40012 10 Pivot Door Pivot Door (PCMCIA) A F1030-40013 Pivot Door (PCMCIA) B F1030-40014 Pivot Door (PCMCIA) Left F1052-40007 11 Door Modem Blank F1030-40016 12 Door RAM F1030-40017 13 Rubber Foot F1030-40018 14 Hinge Cap F1030-40019 15 Mouse Button Latch F1030-40021 16 Battery Door Latch F1030-40025 17 Security Latch F1030-40033 18 Eject Button A F1030-40044 19 Eject Button B F1030-40045 20 Eject Arm Left F1030-40046 21 Eject Arm Right F1030-40047 22 Paw Carrier Srvc Assy F1030-60901 23 Arm Eject Mouse F1030-40050 24 Door I/O F1030-60908 25 Pivot Bracket F1030-60909 26 Bottom Case Bottom Case F1030-60910 Bottom Case (silver) F1052-60908 27 Top Case Top Case F1030-60911 Top Case (silver) F1052-60907 28 LCD Display Assy (new) F1030-60904 29 Keyboard Keyboard USA F1030-80013 Keyboard German F1030-80031 Keyboard Spanish F1030-80032 Keyboard French F1030-80033 Keyboard International English F1030-80057 30 Logic PCA Logic PCA (new) F1030-60907 Logic PCA (new) F1033-60907 Logic PCA (new) F1052-60906 Logic PCA (exchange) F1052-69008 31 System ROM System ROM (ABA) - US English F1033-60908 System ROM (ABB) Int. English F1033-60909 System ROM (ABD) German F1033-60910 System ROM (ABF) French F1033-60911 System ROM (ABE Spanish) F1033-60912 System ROM (ABA) US English F1037-60903 System ROM (ABB) Int. English F1037-60904 System ROM (ABD) German F1037-60905 System ROM (ABE) Spanish F1037-60906 System ROM (ABF) French F1037-60907 32 Battery Pack F1045-60901 33 Hard Drive Tray F1065-60029 34 Flash Tray F1030-60923 35 Mass Storage 5 MB Flash Disk Card F1012-60902 10 MB Flash Disk Card F1013-60901 20 MB Flash Disk Card F1014-60901 40 MB Hard Drive (DOS/Win/PIM) F1035-60901 40 MB Hard Drive (unprogrammed) F1050-60901 105 MB Hard Drive (DOS/Win/PIM) F1037-60908 105 MB Hard Drive (Word/Excel) F1037-60909 105 MB Hard Drive (unprogrammed) F1039-60901 130 MB Hard Drive (unprogrammed) F1057-60901 130 MB Hard Drive (programmed) F1052-60909 Note, this is a partial parts list. For a complete parts list, please refer to Appendix D or the current Product Support Plan.,

Part 2 Troubleshooting

• OmniBook Self Test • Troubleshooting Flowchart,

OmniBook Self-Test

The OmniBook Self-Test provides on-board hardware and firmware diagnostics. To operate the self-test, perform the following steps: 1. Save all files and close all applications: The OmniBook is reset at the end of the self-test. 2. Turn the OmniBook OFF. 3. Press and hold the [Esc] key and press [ON]. You will hear a short three-tone beep. 4. Self Test will initialize and start. 5. To run a test: Highlight the test name and press [ENTER]. Highlight the test name and press [Ctrl][ENTER] to run a longer and more extensive version of a test-not available for all tests. The test runs and its results are reported. 6. To run several tests in a continuous loop: Highlight one or more using [ space bar ] and press [ENTER]. Each test runs and its results are reported. Press [Backspace] to stop the loop. 7. To exit the self-test, press [Esc]. Interpretation of test results A result of “OK” on any test indicates that the test did not find problems while the unit was operating in its current state. A “BAD” result indicates that the test found a problem while the unit was operating in its current state. A “BAD” result should always be confirmed by running the test in a loop for several iterations or running the long version of the test. Further inspection of the unit to rule out configuration or installation conflicts is necessary prior to diagnosing the unit as needing repair. Any test that is halted by [Backspace] is shown as “aborted” and no results are displayed. The OmniBook will not enter sleep mode while the self-test is executing.

Loop Back Connectors

In order to run the RS232 serial port or parallel port self-test, a loop back connector is needed. The loop back may be placed on either the OmniBook port or at the end of the corresponding cable. This feature is also helpful in diagnosing a defective serial or parallel cable. Loop back connectors may be purchased or can easily be constructed. The following illustrations identify the correct pin-out configurations for the serial and parallel loop back connectors., Figure 3 - Serial Loop Back Connector Figure 4 - Parallel Loop Back Connector,

Troubleshooting Flowchart

The following series of flowcharts is intended as a guide for troubleshooting the OmniBook 300, 425, 430, and 530. Each technician should still rely on personal experience and supplemental knowledge when diagnosing a problem. These tips should be kept in mind when referencing the troubleshooting flowcharts: • Use the Main Troubleshooting Flowchart to isolate the problem to a particular area. • Use the additional individual troubleshooting flowcharts to narrow down the problem to a specific component or item. • Always use supplemental information resources, including the Product Support Plan, Service Notes, and the World Wide Web, to aid in diagnosing problem areas.,

Main Troubleshooting Flowchart START

No See Hard See DOS or Disk Windows? Get user flowchart information: Name Yes Telephone number Unit serial number Repair history No Memory OK? (No See memory errors) Memory flowchart Yes Yes Eliminate all No Isolate damage. obvious physical Refer to repair problems? process No Hard disk See Hard operates OK? Disk Yes flowchart No OB unit's power See Power Yes light comes on? Sourceflowchart Unit has at least 1- No See Power 1/2 hours battery Management life? flowchart Yes No See Boot- Single beep Yesup during boot-up? flowchart No Pop-out mouse See Mouse works correctly? flowchart Yes See No something in See Display Yes display? flowchart External floppy No See Floppy drive operates Drive correctly? flowchart Yes

A

,

Main Troubleshooting Flowchart (continued) A

No If you still have Parallel port See Parallel a problem, it's operates correctly? Port flowchart in software or in a part of the unit not covered Yes by these flowcharts. Serial port No See Serial operates Port correctly? flowchart Yes No External VGA See Serial operates correctly? Portflowchart Yes No PCMCIA cards See PCMCIA operate correctly? flowchart No Infrared port See IR operates correctly? flowchart Yes,

Power Source Problems

Start: No power lamp, or low battery life Yes Battery in No Omnibook? Turn Omnibook off Remove and reinsert battery Yes HP ac adapter No and cable? Connect OB to ac adapter, plug adapter into wall socket Done Turn on Omnibook Yes See power No light? Light on continuously (not Try different intermittent)? power socket

B A

,

Power Source Problems (continued)

A B Try different Yes Light on No power socket continuously (not intermittent)? Recheck cables, connections: Yes See power No ac adapter to light? Yes Ambient No temperature within specification? Yes Light still No intermittent? Done: Power source problem Done: Bring Done temperature within specifications Done: Suspect bad Ensure power ac adapter, cable, or coming from connector wall socket Ensure battery installed Go to Power correctly Management Problems flowchart

C

,

Power Source Problems (continued) C

Yes Can you No substitute known good ac adapter? Yes See steady No power light? Yes Can you No substitute known Done: Original ac good OB? adapter or cable bad Yes Ac adapter No warm? Yes See steady No power light? Done: Suspect original OB base Done: Suspect bad unit bad ac adapter or cable,

Boot-Up Problems

Start: Problems during bootup Press Ctrl Alt Del to get a clean boot Hear Multiple beeps single or multiple Single beeps beeps during boot? See Yes Windows or DOS No prompt in display? Done OB Yes support utility No disk available?

OB

Yes support utility No Suspect software disk available? problem: locate OB support utility disk and call back Insert OB support utility disk and reboot Yes See prompt to No Done: Suspect bad Done enter time and Omnibook base unit date?,

Display Problems

Start: Power light on, but no display Physical inspection of display Adjust brightness and contrast controls Yes See anything in No display? Go to Boot-Up Problems Done flowchart,

Hard Disk Problems

Start: Hard disk fails to boot up to DOS or Windows; or other hard disk problems Yes See No anything in drive C:? Yes HP hard No disk? Insert hard disk in C: Yes No Noisy? Done Speech: Need hard disk to boot correctly Yes See "Non- No system disk"? Done: Hard Done disk bad Suspect corrupt files Insert hard disk containing on hard disk system files Boot from OB companion disk in Done drive A: Do SCANDISK C: Yes Soft checking No OK? A B,

Hard Disk Problems (continued)

A B Do hard checking. Do hard checking. Save logs. Save logs. Let SCANDISK repair errors. Let SCANDISK repair errors. Boot from OB companion Yes No disk in drive A: Space available on hard disk within spec? Done: Hard Do SCANDISK C: disk bad Boot from drive C: Do CHKDSK C: Yes No Yes Boots without No Number of bad errors? sectors out of spec? Suspect software problem Done: Hard Boot from OB companion Done disk bad disk in drive A: Do Go to Boot-Up SCANDISK C: /AUTOFIX Problems flowchart

C

,

Hard Disk Problems (continued) C

Remove disk from drive A: Boot from drive C: Yes DOS and Windows No boot OK? Give customer general data Done recovery hints Is Yes customer willing No to reformat hard disk? Boot from drive A: Done: Customer must purchase another hard disk Back up hard disk to A: Reformat hard disk Reload image Done,

Memory Problems

Start: Problem with plug-in memory Yes Intermittent No problem? End current Run short OB session. memory self-test Exit software and turn off OB Yes Memory No self-test OK? Run long OB Remove OB memory self-test battery, disconnect ac adapter Yes Memory No Remove and self-test examine OK? memory module Run different Done: Suspect bad software to memory module eliminate Yes Module No potential appropriate and software compatible? With memory module removed, Yes Memory No replace battery, appears OK attach ac now? adapter Done: Suspect Done: Memory memory module Done inappropriate for problem A this model OB,

Memory Problems (continued) A

Power up OB (memory module removed) Memory Yes problem No disappears? Run short OB Done: Suspect bad memory self-test memory module (without memory module) Yes Memory No self-test OK? Run long OB memory self-test (without memory module) Yes Memory No self-test OK? Done: Suspect Done: Suspect OB memory module bad base unit bad,

Power Management Problems

Start: Low battery life Physical Yes See OB No inspection: power icon? HP battery? Contacts dirty? Done: Suspect Physically OK? software problem Yes Is No Windows Yes Ac adapter No running? attached to OB and wall? Start Windows Attach ac adapter

OB

Yes Power icon in No Control Panel? Yes Has unit No recharged sufficiently? Yes Power Mgmnt No Recharge sufficiently icon in OB Tools? Yes 1-1/2 No hours per charge? Speech: Standard or Off Yes Power on No means during processor recharge? always on; uses Ensure power on more power Done DOS Enable OBYes No or Windows power running? management Start DOS or Windows A Done,

Power Management Problems (continued) A

Yes Does No battery indicator reach full charge? Yes Ambient No Bring ambient temperature in temperature spec? within specification, recharge battery Charging circuitry Yes "Bad/no may be defective No battery" message? Ensure ac adapter plugged Yes PCMCIA cards No into OB and wall installed? 3rd-party Clean boot: Yes Nosoftware Ctrl Alt Del, press installed? F4 during boot Speech: PCMCIA cards can use power even when not on Speech: DOS games, TSR's, "Bad/no other softwareYes battery" No can reduceRemove PCMCIA message? battery lifecards, recharge battery Disable 3rd-party Done: Replace software and battery or use OB on GetYes recharge battery ac power only 1-1/2 hours battery life? No Done

B

,

Power Management Problems (continued) B

Yes Get 1-1/2 hours No battery life? Use MSD to determine what Done TSR's are running Disable TSR's Yes Get 1-1/2 hours No battery life? Done Done: Suspect bad or old battery,

Pop-Out Mouse Problems

Start: OB popout mouse problem Eliminate obvious physical problems Yes See No Windows? Start Windows running Is Yes mouse OB No popout mouse? Disable other mouse Enable OB popout mouse Yes See mouse No pointer? Done: Suspect Yes Does mouse software problem pointer move? (Windows problem) A B,

Pop-Out Mouse Problems (continued) A

Yes Reaches all 4 No corners of screen? Yes Can you No calibrate mouse? Yes Is mouse jittery, No intermittent? Done: Mouse should be OK Suspect bad mouse

C

,

Pop-Out Mouse Problems (continued) B

Suspect software configuration Yes Setup shows No problem correct mouse driver? Check for correct OB mouse driver Configure Setup for correct OB mouse driver Yes Mouse driver No OK? Look at mouse in Yes Mouse No Windows Control moves? Panel Done: Replace with known good version of correct OB mouse driver Yes No Done: MouseSee OB punch OK button? Set Control Panel for OB punch button mouse Suspect bad mouse Yes OB mouse No works OK? Done Exit Windows, run Setup from C DOS command line,

Pop-Out Mouse Problems (continued) C

Yes Can you put No Clean boot: suspect mouse in Ctrl Alt Del, known good OB? press F5 when starting Run OB Yes Suspect mouse No diagnostic works in known program good OB? Put known good Yes Does mouse No OB mouse in pass all tests? suspect base unit Boot normally to Windows Remove mouse from OB base unit, examine Yes Known good No mouse, and mouse works? reinsert Yes OB mouse No operates correctly? Suspect bad Run OB mouse. diagnostic program Replace mouse. Have customer Done: Suspect call back if software problem Does mouse problem not pass all tests? solved.Yes No Done Done: Suspect bad OB base unit Done,

Floppy Drive Problems

Start: External floppy disk drive problem Yes External No FDD is HP device? Yes Cable is No Done correct one? Locate and attach correct Eliminate cable obvious physical problems: Cable OK? Pins not bent? Yes No Cable connected Drive works and solidly in OK? connectors? Done Yes Inserts, ejects No known good disk cleanly? Yes Has drive ever No worked? Done: Suspect badABor damaged drive,

Floppy Drive Problems (continued) A

Clean boot: Ctrl Alt Del, press F5 during boot Yes No Drive works OK? Done Run short self- test twice Can Yes you swap with known No Yes Drive passes No good drive and self-test OK? cable? With original OB turned on, Suspect software connect good problem (proceed drive and cable to B) Done: Suspect bad drive Yes Good drive No works OK? With known good With known good OB turned on, OB turned on, connect original connect original drive and cable drive and cable Yes Original drive No works OK? Yes Original drive No works OK? Suspect software Original drive or Original OB base Suspect software problem cable bad unit bad problem,

Floppy Drive Problems (continued) B

Clean boot: Ctrl Alt Del, press F5 during boot Yes No Disk self-test Run OB disk OK? self-test: Boot from drive Put empty, A: with OB known good companion disk disk, formatted for DOS, in Change diskette, drive. Press run self-test Enter. Yes No again Boots OK? Insert blank, Repeat disk formatted floppy Yes Self-test No self-test disk, do OK? long-term disk self-test Suspect bad Yes No floppy diskette; Long-term replace floppy self-test OK? with known good one Done: If long-term self-test works but floppy drive still has Done: Suspect problem, suspect runtime bad floppy drive environment software problem,

Parallel Port Problems

Start: Problem with parallel port Use PRN command to print a file Yes Problem with No Laplink Remote? Yes Prints file No OK? Troubleshoot Laplink Remote Done: Parallel port OK Yes Other printer No Physical available? inspection: Cable connected? Attach OB and Cable pins OK? use PRN command to print file on different printer Clean boot: Ctrl Alt Del, press F5 during boot Yes Prints file No OK? Yes See No Run OB self-test Windows? Done: Suspect bad diagnostics: printer or cable CDIAG or OBTEST, Exit to DOS depending on unit

A

,

Parallel Port Problems (continued) A

Yes Self-test No OK? Reconfirm: Printer plugged Done: Bad OB in? base unit On? On line? Attach printer to desktop PC Clean boot to DOS on desktop PC: Ctrl Alt Del, press F5 during boot Yes PRN prints No file OK? Done: Suspect Done: Suspect bad original OB bad printer or cable,

Serial Port Problems

Start: Problem with serial port Yes Problem with No Laplink Remote? Troubleshoot Laplink Remote Install loopback connector Physical inspection: Cable connected? Bent pins? Run OB self-test Cable appears procedure OK? Connected to Yes Self-test No what? OK? Modem? Printer? Other? Done: Serial port

OK

Yes Loopback No connector Done: Suspect bad available? serial port in OB base unit A,

Serial Port Problems (continued) A

Ensure proper default serial port configuration Yes Serial port No works OK? Done Can you Yes eliminate all No potential software conflicts? Eliminate software conflicts Yes Serial port No works OK? Done Plug another device and cable into serial ports Yes Serial port No works OK? Done: Suspect Done: Suspect bad original device or OB base unit serial cable bad port,

PCMCIA Problems

Start: PCMCIA card problem Determine type of card Yes Known issue No with this card? Seek additional Yes No information on Has card ever card worked? Remove card Yes Has any software been No (with power on or loaded or modified off) since card worked? Visually inspect card: Connectors bent? Damaged? Wet? Suspect software configuration problem Yes Inspection No reveals problems? Reinsert card Done: Suspect bad PCMCIA card

B A

,

PCMCIA Problems (continued)

A B Clean boot: Ctrl Alt Del, press F5 during boot Press Ctrl Alt Del Run OB self-test Yes See Windows No display? Yes Self-test No OK? Exit to DOS prompt Yes See DOS No Suspect bad card prompt? Exit to DOS Done: Software prompt configuration or setup problem Yes No HP card? Remove card andrun CARDINFO Interpret Done: Return card CARDINFODone: Contact card to HP resultsvendor

C

,

PCMCIA Problems (continued) C

Yes Hardware No problem? Done: Suspect bad Yes Software No OB base unit problem? Check CONFIG.SYS Insert card in top and AUTOEXEC.BAT slot Run CARDINFO Done Insert same card in bottom slot Yes Hardware No problem in both slots? Suspect bad card Run CARDINFO Yes Card is HP No Interpret results device? Done: Contact card vendor Done: Replace card D,

PCMCIA Problems (continued) D

Yes Hardware No problem in one slot only? Done: Suspect bad OB base unit Yes Software No problem in both slots? Yes Software No problem in one slot only? Seek further information - Done: Suspect software consult with configuration problem Done Technical Support,

IR Port Problems

Start: Problem with infrared (IR) port Clean boot: Ctrl Alt Del, Yes Problem with No press F5 during Laplink Remote? boot Troubleshoot Laplink Remote Run OB self-test Physical Run IR self-test inspection: in proper IR port not environment covered? Painted over? Obscured? Yes IR self-test No OK? Ensure operating distance within Move OB to different desk, specification (1 Done: Suspect room meter or less) software problem Run IR self-test Ensure in proper operating environment environment OK: Not next to bright or oscillating light? Yes IR self-test No OK? Done: Suspect no problem or software Done: Suspect bad problem OB base unit,

Part 3 Hardware Repair

• Battery • Memory • Hard Disk Drive/Flash Card and System ROM • Mouse • Small Parts • Display • Keyboard • Logic PCA Board • Paw Carrier • Other Components CAUTION: Always provide proper grounding when performing any of the following repairs. An electrostatic discharge may cause irreparable damage to the OmniBook and its components,

Battery

(End User Replaceable) All of the monochrome OmniBook models use the same HP Nickel-Metal-Hydride (NiMH) Battery Pack, part number F1045A (service replacement part number F1045-60901). However, for some models, 1.5 V AA batteries can be used in place of the NiMH battery pack. The following table lists all of the monochrome OmniBooks and the batteries that can be used safely in each model. OmniBook 300 OmniBook 425 OmniBook 430 OmniBook 530 Flash Disk • NiMH Battery • NiMH Battery not applicable not applicable Version Pack Pack • AA Alkaline • AA Alkaline • AA Lithium • AA Lithium Hard Disk • NiMH Battery • NiMH Battery • NiMH Battery • NiMH Battery Version Pack Pack Pack Pack • AA Lithium • AA Lithium • AA Lithium WARNING: Do not mutilate, puncture, or dispose of batteries in fire. The batteries can burst or explode, releasing hazardous chemicals. A nickel-metal-hydride rechargeable battery pack must be recycled or disposed of properly. Recycle or discard used size-AA batteries according to the manufacturer’s instructions. Required Equipment • none Removal Procedure 1. Release the two latches on the battery cover on the bottom case, then remove the cover. Refer to the below illustration. 2. Do one of the following to remove the battery: • If an OmniBook battery pack is installed, lift it out by its tab. • If AA batteries are installed in place of the OmniBook battery pack, lift each out individually., Replacement Procedure 1. To replace the battery, do one of the following: • To replace the OmniBook battery pack, insert the rounded side of the pack into the compartment first. It is not possible to fully insert the battery pack incorrectly. • To replace AA batteries, orient them as shown by the symbols in the battery compartment. 2. Replace and latch the battery cover.,

Memory

(End User Replaceable) The OmniBook 530 uses a unique memory module that is not compatible with the OmniBook 300, 425, or 430. The table below summarizes the compatibility of the memory modules for each OmniBook model. Memory Accessory Service Replacement OB 300 OB 425 OB 430 OB 530 Module Number 2-MB F1041A F1041-60901 4-MB F1042A F1038-60901 4-MB F1054A F1054-60901 8-MB F1055B F1055-60002 The following illustration provides a visual representation of the physical differences between the memory module for the OmniBook 300, 425, and 430 and the memory module for the OmniBook 530. OmniBook 300, 425, and 430 OmniBook 530 Figure 5 - OmniBook Memory Modules, Required Equipment • Probe (or similar device) for the OmniBook 300, 425, and 430 only CAUTION: To avoid damage due to electrostatic discharge, handle the memory module by the edges only. Removal Procedure 1. Remove the battery and ac adapter from the OmniBook. 2. Slide the memory door off (see below illustration). Figure 6 - Removing the Memory Module 3. Perform the appropriate action for the corresponding OmniBook: • OmniBook 300, 425, or 430 - Use a probe or similar device to pull on the small post located on the front edge of the memory module. • OmniBook 530 - Flip out the plastic tab on the memory module and pull the module out. Replacement Procedure 1. Insert the memory module into the slot. (It is not possible to completely insert the memory if it is upside down.) • OmniBook 300, 425, 430 - the small post on the board faces the bottom surface of the OmniBook. • OmniBook 530 – the plastic tab on the board faces the bottom surface of the OmniBook. 2. Press in the module until it seats fully. 3. Replace the slot cover. 4. Replace the battery and press reset.,

Hard Disk Drive/Flash Card and System ROM

(End User Replaceable) The Hard Disk Drives for the OmniBook 300, 425, 430, and 530 can be reimaged if necessary. If the software is corrupted, or otherwise damaged, on the hard drive, it can be reformatted and the software reloaded. Also, if the hard drive fails and must be replaced, a blank hard drive can be ordered and the appropriate software loaded. The below procedures indicate the proper actions necessary for reloading software on each OmniBook model. For the OmniBook 300 and 425: 1. Place the hard drive into the OmniBook. 2. Reformat the hard drive. 3. Run OBSETUP /F from the System ROM to reload the software onto the hard drive. For the OmniBook 430: 1. Place the hard drive into the OmniBook. 2. Reboot and press Alt then D to boot from the System ROM. 3. Reformat the hard drive. 4. Reload the software image from a set of OmniBook 430 Recovery Disks. The Recovery Disks are available on the HP Internal WW Web at http://webmcd.cv.hp.com/prodsupp/archive/. For the OmniBook 530: 1. Place the hard drive into the OmniBook. 2. Boot from the Companion Disk or other bootable floppy disk. 3. Reformat the hard drive. 4. Reload the software image from a set of OmniBook 530 Recovery Disks. The Recovery Disks are available on the HP Internal WW Web at http://webmcd.cv.hp.com/prodsupp/archive/., Required Equipment • none Removal Procedure 1. Exit all applications, including Windows. 2. Turn the OmniBook off and remove the battery and ac adapter. 3. Turn the OmniBook over, release the two latches on the bottom of the tray, and pull out the tray. See below illustration. Figure 7 - Removing Card Slot Tray 4. Lift the Hard Disk, Flash Card, or System ROM out of the tray. Replacement Procedure 1. Reverse the above steps to replace the Hard Disk, Flash Card, or System ROM. 2. Replace the battery and ac adapter. 3. Press reset.,

Mouse

(End User Replaceable) Required Equipment • none Removal Procedure 1. Press the mouse-eject button to eject the mouse. 2. Pull the mouse firmly away from the OmniBook (see below illustration). The entire mouse assembly will pull free. Figure 8 - Removing the Mouse Replacement Procedure 1. Place the end of the mouse “stick” into the mouse housing. 2. Slide the mouse into the slot and firmly push the mouse until it is completely flush with the side of the OmniBook.,

Small Parts

(End User Replaceable) The following small parts are all end user replaceable.

Battery Door

Push the two battery door latches away from the battery door. Remove the battery door by lifting up at the notch in the bottom case. Place the battery door, tab side first, over the battery compartment. Slide the two battery latches in place to secure the door.

Battery Door Latch

Once the battery door is removed (see above), the battery door latches will slide out of the bottom case. To replace, align the sides of the latches with the groves in the slots. Press firmly into place.

Blank Modem Door

Use a flat-blade screwdriver or similar device to press the small latch on the bottom of the blank modem door. Pull the door free of the bottom case. To replace, simply reinsert the door into the modem slot and press firmly.

Memory Door

Use a flat-blade screwdriver or similar device to pry the memory door from the bottom case. Replace by aligning the edges of the door with the slots on the bottom case. Press firmly into place.

I/O Door

To remove the I/O door, open it fully. Flex the middle of the door until the side pins clear the holes in the back case. Reverse to replace.

Rubber Feet

Place a probe or similar device between the rubber foot and the plastic of the bottom case. Pry upward to pop the foot out. To replace, firmly press the foot into the hole.

PCMCIA Card Tray

Slide the two tray latches toward each other. Pull the tray out of the card slot. If present, remove the PCMCIA card from the tray. To replace the tray, insert into the appropriate card slot. Slide the two latches away from each other to secure the tray.,

Display

(HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • 5mm Hexdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Remove the battery, ac adapter, mass storage, system card (if applicable), memory module (if installed), modem (if installed), mouse, and any installed PCMCIA accessory cards. 2. Remove the four Rubber Feet and seven Screws from the bottom case (see below illustration). Door - Battery Screw M2x4.6mm(T6) (Qty 6) Battery Rubber Foot (Qty 4) Figure 9 - Outer Bottom Case Components, 3. Remove the I/O Door and the four standoffs located on the I/O backplane (see figure below). Figure 10 - Backplane Standoffs 4. Two flat tip screwdrivers, or similar prying devices, are needed to remove the Top Case and Display Assemblies. Four plastic tabs hold the Top Case and Bottom Case together. Two tabs are located in each PCMCIA slot (see below illustration). Note, the screws seen in the PCMCIA slot do not need to be removed. Figure 11 - Bottom Case Tabs, Place a prying device at a tab location between the metal and plastic of the Bottom Case (see figure below, left). Place another prying device in the PCMCIA eject button (see figure below, right). To release the tab, simultaneously twist prying device A while lifting on prying device B. Use caution with this maneuver, as the plastic tabs can break off the Bottom Case. If this occurs, the Bottom Case must be replaced. Prying device “A” Prying device “B” Figure 12 - Bottom Case Prying Locations 5. Perform step four for each of the four tabs. 6. Once the Bottom Case tabs are released, the Bottom Case and Top Case are being held together only by the display cable and the two keyboard cables. Do not allow the Top Case and Bottom Case to separate at this point. The display cable and keyboard cables will be damaged if they are not properly disconnected. 7. Use a prying device to increase the separation of the Top Case and Bottom Case (see figure below). Do not separate the Top Case and Bottom Case more than 1 cm. A separation greater than 1 cm will damage the keyboard flex cables by pulling them out of the zero-force insertion connectors. The intent is to be able to view the display cable, located to the left of the ac adapter socket. Display Cable Figure 13 - I/O Port Prying Location, 8. With the separation increased slightly, the display cable can be disconnected using a probe. Use caution to keep the OmniBook on a level surface. With the Top Case partially separated, small internal parts may dislodge when the OmniBook is tilted at a sharp angle. Place the probe at the base of the display cable connector between the two rows of pins. Use a rocking motion to lift the cable from the connector. See the below illustration for proper placement of the probe. Figure 14 - Disconnecting Display Cable 9. With the display cable removed, the Top Case and Bottom Case can be opened partially to gain access to the keyboard flex cables (see below illustration). Do not open the unit completely as this will damage the keyboard flex cables by pulling them out of the zero-force insertion connectors. Open the zero-force insertion connectors and remove the keyboard flex cables. The Top Case can now be removed completely from the Bottom Case., Figure 15 - Keyboard Flex Cables 10. To separate the Keyboard from the Display, five grounding eyelets must be removed from the display posts (see below illustration). Use caution when removing the grounding eyelets, as they can be broken off easily. If this happens, the assembly must be replaced. To prevent the eyelets from breaking, bend the grounding eyelet tabs at the farthest point from the eyelet. Proper Tab Bend Figure 16 - Display Grounding Eyelets, 11. To remove the Display from the Top Case, the display cable and two grounding cables must be guided through the holes in the Top Case. Replacement Procedure 1. Guide the display posts, display cable and two grounding cables on the Display through the holes in the Top Case. 2. Replace the grounding eyelets over the display posts (see Figure 16). Use caution when replacing the grounding eyelets, as they can be broken off easily. If this happens, the assembly must be replaced. 3. Press the Display and Top Case firmly at each display post to snap the assembly in place. 4. Position the Top Case and Display Assembly over the Bottom Case and insert the two keyboard flex cables into the zero-force insertion connectors. Ensure the connectors are fully closed. Once the keyboard flex cables are secured in the connectors, do not allow them to be pulled out. This will damage the cables., 5. To reconnect the display cable, position a probe in the cable as shown in the below illustration. Figure 17 - Display Cable Probe Position 6. Use the probe to connect the display cable into the connector as shown below. Use caution to keep the OmniBook on a level surface. With the Top Case partially separated, small internal parts may dislodge when the OmniBook is tilted at a sharp angle. Figure 18 - Reconnecting Display Cable 7. With the display cable reconnected, the I/O grounding eyelets must be slid into place. Use caution when positioning the I/O grounding eyelets as they can be broken off easily. It is acceptable to reassemble the OmniBook with certain I/O grounding eyelets broken if there is at least one eyelet in each of the four positions AND at least two matched sets remaining. See Figure 19, Figure 20, Figure 21, and Figure 22 for examples., Acceptable to reassemble All eyelets are present. Figure 19 - I/O Port Eyelets (all present) Acceptable to reassemble There are two matched sets and at least one eyelet in each position. Figure 20 - I/O Port Eyelets (two matched sets) Not acceptable to reassemble There is only one matched set. Figure 21 - I/O Port Eyelets (only one matched set) Not acceptable to reassemble There are two matched set, but no eyelet in position one. Figure 22 - I/O Port Eyelets (no eyelet in position one) 8. Open the display and firmly press the Top Case and Bottom Case together around the entire parameter of the OmniBook. This will lock the tabs of the two cases. 9. Replace the seven screws and four standoffs and the remainder of the components.,

Keyboard

(HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Display Removal Procedure to separate the Display and Top Case from the Bottom Case. 2. Once the Display is removed, the Keyboard must now be separated from the Top Case. Hold the Top Case and Keyboard Assembly exactly as shown in the below illustration. Top Case and Keyboard Assembly (upside down) Keyboard (upside down) Backside of the Top Case icon panel. Figure - Keyboard Removal Hand Placement 3. Apply even upward pressure with the fingers of the left hand. At the same time use the tip of the thumb of the right hand to twist the backside of the Top Case icon panel inward and toward the keyboard. There will be a slight bending in the plastic of the Top Case. This is normal and will not damage the assembly. Replacement Procedure 1. To replace the Keyboard, snap it into the Top Case. Ensure the entire perimeter of the Keyboard is securely snapped into place. 2. Follow the Display Replacement Procedure to replace the Display and remaining components.,

Logic PCA Board

(HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Display Removal Procedure to separate the Display and Top Case Assembly from the Bottom Case. 2. Remove the Eject Arms (both right and left) and Mouse Button Latch and Spring (see below illustration). Note, the Mouse Latch Spring is very small and can be misplaced easily. Eject Arm Screw Right M2x4.6mm(T6) (Qty 5) Mouse Button Latch Eject Arm Left Mouse Logic PCA LatchSpring Paw Carrier Flex Cable Slot Eject Arm Spring Eject Button A Eject Button B Eject Arm Spring Figure 23 - Logic Board PCA Removal, 3. The Eject Buttons and Springs do not need to be removed to gain access to the Logic Board. However, because they can be dislodged easily, setting them aside is recommended. 4. Remove the Paw Carrier Flex Cable from the zero-force insertion slot. 5. Remove the five (5) screws from the Logic Board (see previous illustration). 6. The Logic Board can now be lifted from the Bottom Case. Replacement Procedure 1. To replace the Logic Board, reverse the steps in the Removal Procedure. Ensure the Paw Carrier flex cable is positioned properly – the end of the cable should be folded along the holes in the cable. This folded portion then needs to be placed between the posts and guided on the bottom case. 2. Follow the Display Replacement Procedure to replace the Display and remaining components.,

Paw Carrier (Paw Active)

(HP Authorized Service Providers Only) Required Equipment • Appropriate ESD station • Torx #6 screwdriver • Two small flat tip screwdrivers (or similar prying devices) • Probe Removal Procedure 1. Follow the Logic Board PCA Removal Procedure. 2. Remove the Mylar Mouse Shield. Refer to the below illustration for location of components. 3. The Mouse Eject Arm and Eject Arm Spring may be removed at this point for convenience. 4. Gently bend the Pivot Bracket Tabs upward. Take caution not to break these tabs. If this occurs the Bottom Case must be replaced. 5. Remove the Pivot Bracket. 6. Lift the Paw Carrier from the plastic posts holding it in place. Mylar Mouse Shield Pivot Bracket Paw Carrier Pivot Bracket Tabs (Qty 2) Mouse Eject Arm Eject Arm Bottom Case Spring Figure 24 - Paw Carrier Removal Replacement Procedure 1. To replace the Paw Carrier, reverse the steps in the Removal Procedure. 2. Follow the Logic Board PCA Replacement Procedure to replace the Logic Board and remaining components.,

Other Components

(HP Authorized Service Providers Only) The below table list additional replaceable components and the disassembly procedure(s) necessary to gain access to each. Component Disassembly Equipment Special Notes Procedure(s) Top Case Display Torx #6 screwdriver Keyboard 5mm hexdriver Two flat tip screwdrivers Probe Bottom Case Display Torx #6 screwdriver Logic PCA Board 5mm hexdriver Paw Carrier Two flat tip screwdrivers Probe Mouse Button Latch Display Torx #6 screwdriver Mouse Latch Spring 5mm hexdriver Two flat tip screwdrivers Probe Mylar Mouse Shield Display Torx #6 screwdriver Pivot Bracket Logic PCA Board 5mm hexdriver Two flat tip screwdrivers Probe Eject Buttons (A&B) Display Torx #6 screwdriver Eject Arms (L&R) 5mm hexdriver Eject Arm Spring Two flat tip screwdrivers Probe Pivot Doors (A&B) Display Torx #6 screwdriver Pivot Door Spring 5mm hexdriver Two flat tip screwdrivers Probe Hinge Cap Display Torx #6 screwdriver The Hinge Caps 5mm hexdriver simply slide off of the Two flat tip screwdrivers ends of the Display. Probe Security Latch Display Torx #6 screwdriver Use a probe to 5mm hexdriver remove the Security Two flat tip screwdrivers Latch from the Probe Bottom Case.,

Appendix A - Technical and Resource Specifications Mass Storage Specifications

40MB 105MB 131MB Flash Disk Cards (Typical) Average seek < 19 ms 19 ms 19ms 2-3 ms Track to Track 5 ms 6 ms 6 ms NA seek Average Latency 6.67 ms 6.72 ms 6.72 ms NA Rotational speed 4503 rev/m 4464 rev/m 4464 rev/m NA Data transfer rate 13-21 Mbits /sec 11.4 - 19.2 Mbits/sec 11.4 - 19.2 Mbits/sec 2.5 MBytes/sec Buffer to disc 4.5 Mbytes /sec 4 Mbytes /sec 4 Mbytes/sec 6.0 MBytes/sec Buffer to host Buffer size 32 Kbytes static 31 Kbytes 31 Kbytes NA

RAM

Spindle start 1 sec typical <2 sec maximum <2 sec maximum NA time 3 sec maximum

Card Services and Socket Services Version Matrix

OB300 OB425 OB430 OB530 Card Services Card BIOS 1.0 Card BIOS 1.0 Card BIOS 1.0 2.1 Socket Services 1.01a 1.08 1.14 2.1, Memory Map 300/425 430 430 SYSTEM BIOS F SYSTEM BIOS VGA BIOS

ROM VGA BIOS E DOS UMB SPACE PCMCIA

D PCMCIA UMBSPACE C UMB SPACE B VGA RAM A VGA RAM Upper Memory Block Space OB300/425 OB430 OB530 UMB Space Available 64k 64k + 32k 112k contiguous DOS Conventional Memory OB300 OB425 OB430 OB530 Windows DOS Box 315 KB 315 505 404 (with LapLink Remote) Exit Windows (with out 435 KB 435 533 437 LapLink Remote),

Appendix B - Power On Self Test Codes Beep Codes

Beep Codes are used to identify a Power On Self Test (POST) error that occurs when the screen is not available. Once the screen is operational, diagnostic messages are reported to the screen. There are beep codes for both fatal and nonfatal system board errors. The codes are shown as x-y-z where 2-2-1 represents 2 beeps - pause - 2 beeps - pause - 1 beep. Fatal Errors Non-Fatal Errors 1-1-1 CPU failure 4-2-1 8253 timer tick test 1-1-3 CMOS failure 4-2-2 Shutdown/Restart sequence 1-1-4 BIOS Checksum failure 4-2-3 Gate A20 failure 1-2-1 8253 timer failure 4-2-4 Unexpected virtual mode interrupt 1-2-2 DMA setup failure 4-3-1 RAM test in progress 1-2-3 DMA page register failure 4-3-3 8253 timer channel 2 test 1-3-1 RAM refresh not verified 4-3-4 Time of day clock test 1-3-2 SMI RAM bad 4-4-1 Serial port test 1-3-3 Low 64K RAM failure 4-4-2 Parallel port test 1-3-4 Low 64K RAM even/odd failure 4-4-3 Math coprocessor test 1-4-1 Low 64K RAM address line failure 1-4-2 Low 64K RAM parity error 2-1-1 Low 64K RAM bit 0 error 2-1-2 Low 64K RAM bit 1 error 2-1-3 Low 64K RAM bit 2 error 2-1-4 Low 64K RAM bit 3 error 2-2-1 Low 64K RAM bit 4 error 2-2-2 Low 64K RAM bit 5 error 2-2-3 Low 64K RAM bit 6 error 2-2-4 Low 64K RAM bit 7 error 2-3-1 Low 64K RAM bit 8 error 2-3-2 Low 64K RAM bit 9 error 2-3-3 Low 64K RAM bit 10 error 2-3-4 Low 64K RAM bit 11 error 2-4-1 Low 64K RAM bit 12 error 2-4-2 Low 64K RAM bit 13 error 2-4-3 Low 64K RAM bit 14 error 2-4-4 Low 64K RAM bit 15 error 3-1-1 DMA #2 register error 3-1-2 DMA #1 register error 3-1-3 8259 #1 error 3-1-4 8259 #2 error 3-2-4 8042 KB controller error 3-3-4 Video initialization error 3-4-1 Video retrace failure 3-4-2 Video ROM-scan in progress 3-4-3 Video ROM-scan error,

Display Codes

There are a number of Power On Self Test (POST) tests that are performed after the Beep Code tests. Failure of one or more of these tests will result in a displayed failure code (such as 0240). It is extremely important not to interpret a failure code immediately as a hardware failure. The failure should be confirmed with a clean boot. A clean boot is defined as pressing the reset button after removing all accessories (including memory cards, external floppy drive, modems, PCMCIA cards, and printers) and providing a reliable power source. The following list explains a number of POST Display Codes. Note, not all codes are available on all models of the OmniBook. No Error; Self-Test 0000h test passed Routine Passed 80x86 Microprocessor 000fh MPU failed self test Error BIOS ROM Checksum 0010h errors relating to the BIOS rom Errors checksums 0011h Real Time Clock Errors 0110h 011X where X = bad register 0120h RTC clock tick error CMOS Errors 0240h CMOS power bad 0241h CMOS checksum bad 0280h HP checksum bad 0282h EISA checksum bad error code 0281 was previously used 8041 Errors 0301h did not read 0AAH command 0302h did not respond to 0AAH command 0303h bad Response to 0AAH command 0305h did not respond when setting keyclick volume 0306h did not read 0C0H command 0307h did not respond to 0C0H command 0308h keyboard fuse is open 0311h did not read 060H command 0312h did not read data for 060H command 0341h did not read kbd interface test cmd 0342h did not respond to kbd intrf test 0342h add 1-4 to this to get 00343h kbd clock line stuck low 00344h kbd clock line stuck high 00345h kbd data line stuck low 00346h kbd clock line stuck high 0350h no ACK from kbd test 0351h bad ACK from kbd test, 0352h kbd not connected 0353h no response from kbd test 0354h kbd test failed error codes 0304, 0313-0314, 0321-0323, 0331-033C were previously used AUX Self Test Errors 03E0h send enable-aux cmd to 8042 cmd byte failed 03E1h 8042 failed to accept write-aux- device cmd 03E2h write-aux-device cmd not sent by 03E3h reset-aux cmd not accepted by 8042 03E4h 8042 failed to send aux-interface-test 03E5h no reply for aux-interface-test cmd from 8042 03E6h aux device clock line stuck low 03E7h aux device clock line stuck high 03E8h aux device data line stuck low 03E9h aux device data line stuck high 03EAh no reply for aux-reset cmd from aux 03EBh aux failed to perform reset 03ECh send default cmd to 8042 cmd byte failed Protected-Mode Switch 0401h failed to switch to protected mode Error error code 0500 was previously used Serial and Parallel Test 0503h no serial port Errors 0505h bad serial port 0543h no parallel port Keyboard Device 0600h kbd has keys stuck Errors 06XXh where XX = the scan code of the stuck key System Speed Test 0702h timer failed to interrupt Errors 0703h CPU clock too slow in SLOW speed 0704h CPU clock too fast in SLOW speed 0707h CPU clock too slow in FAST speed 0708h CPU clock too fast in FAST speed error codes 0700-0701, 0705-0706, 0709-070C were previously used Timer Chip Errors 1100h failed timer test 110Xh where X = failed timer # 1200h no refresh tick 1201h refresh signal stuck low EISA Init Errors 13XY X = slot number where error occurred, Y = error type 1300h error code displayed if fdc is not configured properly 1301h error code if board is not ready 1302h error code if cmos says slot is empty but a card is present in the slot 1303h error code if cmos says slot does not have board with readable id but can read board id 1304h error code if cmos id and board id do not match 1305h error code if incomplete configuration bit is set Memory Configuration 2000h bad port or wrong memory board (POST) Errors 2001h bad port or wrong board type 2002h port reports null or no SIMMs 2003h can't mix single and double density SIMM parts 2005h physical SIMM config. invalid 20X5h X = the memory bank the checking routine stopped at - banks are numbered 0, 1, 2, or 3 2006H bad memory controller DMA Errors 21XYh DMA controller errors XY= 0001 bbbb = register bbbb of controller 01 failed write/read test XY= 0010 bbbb = register bbbb of controller 02 failed write/read test 213Xh DMA status register errors X=0 => Controller 1's status register failed X=1 => Controller 2's status register failed 22XYh DMA Page register errors XY= 0001 abbb = channel bbb of page register bad bita0= ISA (0xxh) register 1 = EISA (4xxh) register 0010h DMA page mask error codes 3000-3010 were previously used Real-Mode (0-1Mb) 4000h 4XYZ - the interpretation of this error RAM Errors code is machine dependent error codes 5000-5FFF were previously used RAM Address Line 6100h errors relating to the address Independence, Parity, independence test of ram & IO_CHK Errors XX = xxxx bbbb = address line bbbb is bad (no. 0 to 19) 6200h errors relating to the RAM parity 620X, test (low 640k). x = 64k bank no. with problem (i.e. 6204 = bank 4 is bad = address range 40000h to 4ffffh) 6300h I/O channel check came active during write read test of protected mode ram 63xx = xx = 256k ram bank/block with problem BIOS and Memory 6500h shadow RAM BIOS failed Shadow-RAM Errors 6510h shadow RAM video BIOS failed 6520h shadow RAM option ROM failed 65A0h A000 shadow RAM test failed 65B0h B000 shadow RAM test failed 65C0h C000 shadow RAM test failed 65D0h D000 shadow RAM test failed 65E0h E000 shadow RAM test failed 65F0h F000 shadow RAM test failed 8259 Interrupt 07000h 7XYY where Functionality Errors X = 0 master's mask reg. failed X = 1 slave's mask reg. failed YY = XOR of value read & written to the mask reg 07400h IRQ 0 error 07500h IRQ 8 error error code 7600 was previously used Hard Disk Errors 8310h controller fail 8311h fixed disk fail 8312h drive splitting failure error codes 8001-8002, 8100, 8200, 8300 were previously used Flexible Disk Errors 9X0Z X = drive number (0..3 correspond to drives A:, B:, FDE#1, FDE#2) Z = determined by the following equates 9000H FDC input error 9001H FDC output error 9002H FDC seek error 9003H FDC recall error 9005H FDC reset error 9006H FDC wrong drive 9008H FDC no interrupt 9009h FDC track 0 error error codes 90XX and 98XX were previously used 80x87 Numerical Co- 0a001h there is no 80287 in the system Processor Errors 0a002h problem with the 80287's registers 0a003h problem with the 80287's stack, 0a004h FXCH or FCOMP didn't work 0a005h FADD didn't work 0a006h FMUL didn't work 0a007h FDIV didn't work 0a008h FSQRT didn't work 0a009h FPATAN didn't work 0a00ah invalid operation exception err 0a00bh denormal operand exception error 0a00ch zero divide exception error 0a00dh overflow exception error 0a00eh underflow error Weitek Numerical Co- 0af00h failed to enter protected mode Processor Errors 0af01h there is no Weitek in the system 0af02h error in Weitek data register 0af05h ADD didn't work 0af06h MULT didn't work 0af0Ch Zero Divide exception error Video Errors 0b009h beep if no video card is installed error codes B001-B008, B100, B200, B301-B307, B400- BFFF were previously used Cache Errors 0b308h internal cache error 0b300h P4 cache test failure Protected Mode RAM 0c000h 0CXYZ - the interpretation of this Errors error code is machine dependent error codes D000, D003-D040, D050, D1XX, EXXX, FFXX were previously used,

Appendix C - Password Policy

If the user forgets the system password, there is a master password that will unlock the OmniBook. The user calls Technical Support to determine this master password as follows: 1. Support will tell the user the keys to type at the password entry screen: [alt][shft][f10] 2. The OmniBook generates and displays an encoded master password. This is displayed under the normal password entry area. At this point, this is the only password that will unlock the OmniBook unless the user presses [ESC] to remove the encoded master from the password entry screen. Then the user's stored password can be entered. 3. The user reads the encoded master password to Support. 4. Support runs a program that decodes the encoded password, and reads the decoded password (alphanumeric) to the user. 5. The user types in the decoded password. 6. OmniBook decodes the encoded master password it generated and compares it to the decoded password typed in by the user. 7. If the two passwords match, the OmniBook is unlocked. The forgotten password is automatically erased. Support can then guide the user through the process of entering a new password. 8. If the two passwords do not match, the previous sequence must be repeated until the user correctly enters a master password. The encoded master password is an eight-character alphanumeric sequence that the OmniBook generates at random every time the appropriate keys are pressed in the password entry screen. Because it is generated randomly, a master password can only be used to unlock the OmniBook once. If the user forgets the password at another time, it will require another call to Support. (If the user presses the appropriate keys by mistake, pressing [ESC] will allow entering the stored password.) The password descramble programs for the HP OmniBook PCs are protected as HP Company Private information. They may not be copied, backed-up, printed or distributed. There are only six official copies of each program. In addition to the program being protected, its use is also controlled. Hewlett- Packard and authorized support providers must ensure with written evidence that the OmniBook that is being "descrambled" is actually in the hands of the unit's actual and current owner. This requires a sales receipt showing the unit serial number and owner's name, or a written statement from the owner attesting that he or she is the owner of the unit. The statement can be a FAX copy of the document. The fact that the unit is in the hands of an HP representative on behalf of the customer is not evidence of ownership. In addition, HP will not descramble a unit for any non-owner, even if it involves law enforcement agencies. If you receive such a request, you should notify management and HP Corporate Legal immediately. (These requests may require a court order prior to our participation.), Further, you must log the name, serial number and date of the running of the descramble program, and file the written backup with the log. The log and backup are subject to standard record retention process and review. The final issue relating to descramble of passwords is that HP cannot provide information to users that would assist them in improperly descrambling a password and opening a unit.,

Appendix D - Part Numbers

Part Number Description OB300 OB425 OB430 OB530 0380-4060 Standoff 0515-2396 Screw M2x4.6mm (T6) F1030-00016 Arm Eject Mouse Spring F1030-00026 Pivot Door Spring F1030-00029 Spring Card Eject F1030-00030 Mouse Latch Spring F1030-20001 Mylar Mouse Shield F1030-40013 Pivot Door A F1030-40014 Pivot Door B F1030-40016 Door Modem Blank F1030-40017 Door RAM F1030-40018 Rubber Foot F1030-40019 Hinge Cap F1030-40021 Mouse Button Latch F1030-40025 Battery Door Latch F1030-40033 Security Latch F1030-40044 Eject Button A F1030-40045 Eject Button B F1030-40046 Eject Arm Left F1030-40047 Eject Arm Right F1030-40050 Arm Eject Mouse F1030-60901 Paw Carrier Srvc Assy F1030-60904 LCD Display Assy (new) F1030-60907 Logic PCA (new) F1030-60908 Door I/O F1030-60909 Pivot Bracket F1030-60910 Bottom Case F1030-60911 Top Case F1030-60912 SVC Door Battery (10 pack) F1030-60923 SVC Flash Tray Assy F1030-60924 SVC ID Plate (10 pack) F1030-60925 SVC Short Bar (10 pack) F1030-60926 SVC Bat Jumper (10 pack) F1030-80013 Keyboard USA F1030-80015 Regulatory Label F1030-80018 Icon Label F1030-80019 Logo - Display F1030-80031 Keyboard German F1030-80032 Keyboard Spanish F1030-80033 Keyboard French F1030-80044 Foam Shipping Pouch F1030-80057 Keyboard Int English F1030-80063 FFC - Theta F1033-60901 Regulatory Label (10 pack) F1033-60902 SVC Icon Label 425 (10 pack) F1033-60907 Logic PCA (new) F1033-60908 Sys ROM (ABA) - US English F1033-60909 Sys ROM (ABB) Int. English F1033-60910 System ROM (ABD) German F1033-60911 System ROM (ABF) French, Part Number Description OB300 OB425 OB430 OB530 F1033-60912 System ROM (ABE) Spanish F1037-60901 SVC Icon Label 430 (10 pack) F1037-60902 Custom Icon Kit (10 pack) F1037-60903 Sys ROM (ABA) US English F1037-60904 Sys ROM (ABB) Int. English F1037-60905 System ROM (ABD) German F1037-60906 System ROM (ABE) Spanish F1037-60907 System ROM (ABF) French F1052-40007 PCMCIA Door Left F1052-40012 Door Battery (silver) F1052-60005 Flash Tray Assy w/ plug (qty 1) F1052-60906 SVC Logic PCA (new) F1052-60907 Top Case (silver) F1052-60908 Bottom Case (silver) F1052-60914 Icon Label (10 pack) F1052-60915 Regulatory Label (10 pack) F1052-69008 SVC Logic PCA (exchange) F1065-60029 Hard Drive Tray Accessories 0950-2630 Floppy drive 5061-4390 Mouse 8120-2104 Power Cord Swiss 8120-2956 Power Cord Danish 8120-4211 Power Cord S. Africa 8120-5342 Power Cord Japan 8120-6260 Power Cord US 8120-6261 Power Cord UK 8120-6262 Power Cord Europe 8120-6346 Power Cord Australia 9100-5315 AC Adaptor-worldwide F1045-60901 Battery Pack F1041-60901 2MB RAM Exp F1054-60901 4MB RAM Exp F1055-60002 8MB RAM Exp F1038-60901 4MB RAM Exp F1012-60902 5MB Flash disk card F1013-60901 10MB Flash disk card F1014-60901 20MB Flash disk card F1037-60908 105MB HDD DOS/Win/PIM F1037-60909 105MB HDD Word/Excel F1035-60901 40MB HDD w/ DOS,WIN,PIM F1050-60901 40MB Unprogrammed HDD F1039-60901 105MB Unprogrammed HDD F1052-60909 130MB HDD Programmed F1057-60901 130MB Unprogrammed HDD F1040-60901 F1040A Fax/Modem ABA US F1047-60901 Serial cable F1052-60910 VGA cable F1059-60901 Floppy drive cable-parallel F1030-90085 Ops Manual/QuickStart Guide F1030-90086 Manual-Vol.2-Excel,PIM,Word Note, for the most current parts list, always refer to the latest Product Support Plan., HP Part Number 5965-0244]
15

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