HP OmniBook 300, 425, 430, And 530 PC Service Manual, 5965 0244 300

User Manual: 300

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Page Count: 86

Service Manual

HP OmniBook 300, 425, 430, 530

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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.

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.

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

iii

Appendix D - Part Numbers.......................................................................................................77

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

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

Engineer svc-eng_mcd@om.cv.hp.com Email address for service

other hard disk problems

See

anything in

drive C:?

HP hard

disk?

Noisy?

See "Non-

system disk"?

Suspect corrupt files

on hard disk

Boot from OB

companion disk in

drive A:

SCANDISK C:

Soft checking

OK?

A B

Insert hard disk in C:

Speech: Need hard disk to

boot correctly

Done

Done: Hard

disk bad

Insert hard disk containing

system files

Done

Yes

Hard Disk Problems (continued)

Do hard checking.

Save logs.

Let SCANDISK repair errors.

Do hard checking.

Save logs.

Let SCANDISK repair errors.

A B

Space available on

hard disk within

spec?

Boot from drive C:

Done: Hard

disk bad

Boot from OB companion

disk in drive A:

Do SCANDISK C:

Do CHKDSK C:

Number of bad

sectors out of

spec?

Suspect software problem

Boot from OB companion

disk in drive A:

SCANDISK C: /AUTOFIX

Boots without

errors?

Done

Go to Boot-Up

Problems

flowchart

Done: Hard

disk bad

Yes

Yes Yes

No No

Hard Disk Problems (continued)

Remove disk from

drive A:

Boot from drive C:

Give customer general data

recovery hints

DOS and Windows

boot OK?

customer willing

to reformat hard

disk?

Boot from drive A:

Back up hard disk to A:

Reformat hard disk

Reload image

Done

Done: Customer must

purchase another

hard disk

Done

Yes

Yes No

Memory Problems

Start: Problem with

plug-in memory

Intermittent

problem?

Yes

End current

session.

Run short OB

memory self-test

Exit software

and turn off OB

Remove OB

battery,

disconnect ac

adapter

Remove and

examine

memory module

Module

appropriate and

compatible?

With memory

module

removed,

replace battery,

attach ac

adapter

Done: Memory

inappropriate for

this model OB

Yes

Memory

self-test OK?

Done: Suspect bad

memory module

Run long OB

memory self-test

Memory

self-test

OK?

Run different

software to

eliminate

potential

software

Memory

appears OK

now?

Done: Suspect

memory module

problem Done

Yes

Memory Problems (continued)

Power up OB

(memory module

removed)

Memory

problem

disappears?

Done: Suspect bad

memory module

Run short OB

memory self-test

(without memory

module)

Memory

self-test OK?

Run long OB

memory self-test

(without memory

module)

Memory

self-test OK?

Done: Suspect

memory module bad

Done: Suspect OB

base unit bad

Yes

Power Management Problems

Start: Low

battery life

Physical

inspection:

HP battery?

Contacts dirty?

Physically OK?

Ac adapter

attached to OB

and wall?

Attach ac adapter

Has unit

recharged

sufficiently?

Recharge sufficiently

Power on

during

recharge?

Ensure power on

DOS

or Windows

running?

Start DOS or

Windows

See OB

power icon?

Done: Suspect

software problem

Windows

running?

Start Windows

Power icon in

Control Panel?

Power Mgmnt

icon in OB Tools?

Speech:

Standard or Off

means

processor

always on; uses

more power

Enable OB

power

management

Done

1-1/2

hours per

charge?

Done

Yes

Power Management Problems (continued)

Does

battery indicator

reach full charge?

Ambient

temperature in

spec?

"Bad/no

battery"

message?

PCMCIA cards

installed?

Speech: PCMCIA

cards can use

power even when

not on

Remove PCMCIA

cards, recharge

battery

Get

1-1/2 hours

battery life?

Done

Ensure ac

adapter plugged

into OB and wall

Clean boot:

Ctrl Alt Del, press

F4 during boot

"Bad/no

battery"

message?

Done: Replace

battery or use OB on

ac power only

3rd-party

software

installed?

Speech: DOS

games, TSR's,

other software

can reduce

battery life

Disable 3rd-party

software and

recharge battery

Bring ambient

temperature

within

specification,

recharge battery

Yes

Charging circuitry

may be defective

Power Management Problems (continued)

Use MSD to

determine what

TSR's are

running

Disable TSR's

Get 1-1/2 hours

battery life?

Get 1-1/2 hours

battery life?

Done

Done: Suspect bad

or old battery

Yes

Pop-Out Mouse Problems

Start: OB popout

mouse problem

Eliminate

obvious physical

problems

See

Windows?

Start

Windows

running

mouse OB

popout mouse?

Disable other

mouse

Enable OB

popout mouse

See mouse

pointer?

Does mouse

pointer move?

A B

Done: Suspect

software problem

(Windows problem)

Yes

Pop-Out Mouse Problems (continued)

Reaches all 4

corners of

screen?

Can you

calibrate

mouse?

Is mouse jittery,

intermittent?

Suspect bad

mouse

Done: Mouse

should be OK

Yes

Pop-Out Mouse Problems (continued)

Suspect software

configuration

problem

Check for

correct OB

mouse driver

Mouse driver

OK?

Look at mouse in

Windows Control

Panel

See OB punch

button?

Set Control Panel

for OB punch

button mouse

OB mouse

works OK?

Exit Windows,

run Setup from

DOS command

line

Done

Done: Replace with known

good version of correct

OB mouse driver

Setup shows

correct mouse

driver?

Configure Setup

for correct OB

mouse driver

Mouse

moves?

Suspect bad

mouse

Done: Mouse

Yes

Pop-Out Mouse Problems (continued)

Clean boot:

Ctrl Alt Del,

press F5 when

starting

Run OB

diagnostic

program

Does mouse

pass all tests?

Remove mouse

from OB base

unit, examine

mouse, and

reinsert

Run OB

diagnostic

program

Does mouse

pass all tests?

Boot normally to

Windows

OB mouse

operates

correctly?

Done

Done: Suspect

software problem

Can you put

suspect mouse in

known good OB?

Suspect mouse

works in known

good OB?

Put known good

OB mouse in

suspect base

unit

Known good

mouse works?

Suspect bad

mouse.

Replace mouse.

Have customer

call back if

problem not

solved.

Done

Done: Suspect bad

OB base unit

Yes

Floppy Drive Problems

Start: External

floppy disk drive

problem

Eliminate

obvious physical

problems:

Cable OK?

Pins not bent?

Cable connected

and solidly in

connectors?

External

FDD is HP

device?

Cable is

correct one?

Inserts, ejects

known good disk

cleanly?

Has drive ever

worked?

A B

Done

Locate and

attach correct

cable

Drive works

OK?

Done

Done: Suspect bad

or damaged drive

Yes

Floppy Drive Problems (continued)

Clean boot:

Ctrl Alt Del, press

F5 during boot

Run short self-

test twice

Can

you swap with known

good drive and

cable?

With original OB

turned on,

connect good

drive and cable

Good drive

works OK?

With known good

OB turned on,

connect original

drive and cable

Drive works

OK?

Done

With known good

OB turned on,

connect original

drive and cable

Original drive

works OK?

Original OB base

unit bad

Original drive

works OK?

Original drive or

cable bad

Suspect software

problem

Suspect software

problem

Drive passes

self-test OK?

Done: Suspect

bad drive

Suspect software

problem (proceed

to B)

Yes

Yes Yes

No No

Floppy Drive Problems (continued)

Clean boot:

Ctrl Alt Del,

press F5 during

boot

Run OB disk

self-test:

Put empty,

known good

disk, formatted

for DOS, in

drive. Press

Enter.

Repeat disk

self-test

Disk self-test

OK?

Change diskette,

run self-test

again

Self-test

OK?

Suspect bad

floppy diskette;

replace floppy

with known good

one

Boot from drive

A: with OB

companion disk

Boots OK?

Insert blank,

formatted floppy

disk, do

long-term disk

self-test

Long-term

self-test OK?

Done: If long-term self-test

works but floppy drive still has

problem, suspect runtime

environment software problem

Done: Suspect

bad floppy drive

Yes

Parallel Port Problems

Start: Problem with

parallel port

Problem with

Laplink Remote?

Yes

Physical

inspection:

Cable

connected?

Cable pins OK?

Troubleshoot

Laplink Remote

Clean boot:

Ctrl Alt Del,

press F5 during

boot

See

Windows?

Exit to DOS

Use PRN

command to

print a file

Prints file

OK?

Other printer

available?

Attach OB and

use PRN

command to

print file on

different printer

Prints file

OK?

Done: Suspect bad

printer or cable

Run OB self-test

diagnostics:

CDIAG or

OBTEST,

depending on

unit

Yes

Done: Parallel

port OK

Yes

NoYes

Parallel Port Problems (continued)

Self-test

OK?

Done: Bad OB

base unit

Reconfirm:

Printer plugged

in?

On?

On line?

Attach printer to

desktop PC

Clean boot to

DOS on desktop

PC:

Ctrl Alt Del,

press F5 during

boot

PRN prints

file OK?

Done: Suspect

original OB bad

Done: Suspect bad

printer or cable

Yes

Serial Port Problems

Start: Problem with

serial port

Problem with

Laplink Remote?

Yes

Physical

inspection:

Cable

connected?

Bent pins?

Cable appears

OK?

Troubleshoot

Laplink Remote

Loopback

connector

available?

Connected to

what?

Modem?

Printer?

Other?

Install loopback

connector

Run OB self-test

procedure

Self-test

OK?

Done: Serial port

Done: Suspect bad

serial port in OB

base unit A

Yes No

Serial Port Problems (continued)

Ensure proper

default serial

port

configuration

Serial port

works OK?

Can you

eliminate all

potential software

conflicts?

Eliminate

software

conflicts

Serial port

works OK?

Plug another

device and cable

into serial ports

Serial port

works OK?

Done: Suspect

original device or

cable bad

Done: Suspect bad

OB base unit serial

port

Done

Yes No

Yes

PCMCIA Problems

Start: PCMCIA card

problem

Known issue

with this card?

Has card ever

worked?

Determine type of

card

Seek additional

information on

card

Remove card

(with power on or

off)

Visually inspect

card:

Connectors bent?

Damaged?

Wet?

Inspection

reveals

problems?

Done: Suspect bad

PCMCIA card

Reinsert card

Has any software been

loaded or modified

since card worked?

Suspect software

configuration

problem

Yes

PCMCIA Problems (continued)

Clean boot:

Ctrl Alt Del, press

F5 during boot

Run OB self-test

Self-test

OK?

Suspect bad card

HP card?

Done: Contact card

vendor

Done: Return card

to HP

Press Ctrl Alt Del

See Windows

display?

See DOS

prompt?

Exit to DOS

prompt

Remove card and

run CARDINFO

Exit to DOS

prompt

Interpret

CARDINFO

results

Done: Software

configuration or setup

problem

Yes

PCMCIA Problems (continued)

Hardware

problem?

Done: Suspect bad

OB base unit Software

problem?

Check CONFIG.SYS

and AUTOEXEC.BAT

Done

Insert card in top

slot

Run CARDINFO

Insert same card

in bottom slot

Run CARDINFO

Interpret results

Hardware

problem in both

slots?

Suspect bad card

Card is HP

device?

Done: Contact

card vendor

Done: Replace

card D

Yes

PCMCIA Problems (continued)

Hardware

problem in one

slot only?

Done: Suspect bad

OB base unit Software

problem in both

slots?

Software

problem in one

slot only?

Done: Suspect software

configuration problem Done

Seek further

information -

consult with

Technical

Support

Yes

Yes No

IR Port Problems

Start: Problem with

infrared (IR) port

Problem with

Laplink Remote?

Yes

Physical

inspection:

IR port not

covered?

Painted over?

Obscured?

Troubleshoot

Laplink Remote

Ensure

operating

distance within

specification (1

meter or less)

Ensure

operating

environment OK:

Not next to

bright or

oscillating light?

Clean boot:

Ctrl Alt Del,

press F5 during

boot

Run OB self-test

Run IR self-test

in proper

environment

IR self-test

OK?

Done: Suspect

software problem

Move OB to

different desk,

room

Run IR self-test

in proper

environment

IR self-test

OK?

Done: Suspect bad

OB base unit

Done: Suspect no

problem or software

problem

Yes

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

Version • NiMH Battery

Pack

• AA Alkaline

• AA Lithium

• NiMH Battery

Pack

• AA Alkaline

• AA Lithium

not applicable not applicable

Hard Disk

Version • NiMH Battery

Pack

• AA Lithium

• NiMH Battery

Pack

• AA Lithium

• NiMH Battery

Pack

• AA Lithium

• NiMH Battery

Pack

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

Module Accessory

Number Service Replacement OB 300 OB 425 OB 430 OB 530

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.

Figure 5 - OmniBook Memory Modules

OmniBook 300, 425, and 430 OmniBook 530

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).

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.

Figure 6 - Removing the Memory Module

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.

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.

Figure 7 - Removing Card Slot Tray

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.

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.

Figure 8 - Removing the Mouse

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).

Figure 9 - Outer Bottom Case Components

Screw

M2x4.6mm(T6)

(Qty 6)

Rubber Foot

(Qty 4)

Door - Battery

Battery

3. Remove the I/O Door and the four standoffs located on the I/O backplane (see figure below).

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 10 - Backplane Standoffs

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.

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.

Figure 12 - Bottom Case Prying Locations

Figure 13 - I/O Port Prying Location

Prying device “A”

Prying device “B”

Display Cable

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.

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 14 - Disconnecting Display

Cable

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.

Figure 15 - Keyboard Flex Cables

Figure 16 - Display Grounding Eyelets

Proper Tab Bend

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.

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.

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.

Figure 17 - Display Cable Probe Position

Figure 18 - Reconnecting Display Cable

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.

Figure 19 - I/O Port Eyelets (all present)

Figure 20 - I/O Port Eyelets (two matched sets)

Figure 21 - I/O Port Eyelets (only one matched set)

Figure 22 - I/O Port Eyelets (no eyelet in position one)

Acceptable to reassemble

All eyelets are present.

Acceptable to reassemble

There are two matched sets

and at least one eyelet in

each position.

Not acceptable to

reassemble

There is only one matched set.

Not acceptable to

reassemble

There are two matched set, but

no eyelet in position one.

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.

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.

Figure - Keyboard Removal Hand Placement

Top Case and

Keyboard

Assembly

(upside down)

Backside of the

Top Case icon

panel.

Keyboard

(upside down)

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.

Figure 23 - Logic Board PCA Removal

Mouse

Button

Latch

Eject Arm Left

Eject Arm

Right

Eject Button A

Eject Button B

Eject Arm

Spring

Eject Arm

Spring

Screw

M2x4.6mm(T6)

(Qty 5)

Mouse

Latch

Spring

Paw Carrier

Flex Cable Slot

Logic PCA

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.

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.

Figure 24 - Paw Carrier Removal

Mylar Mouse

Shield

Pivot Bracket

Paw Carrier

Mouse Eject

Arm

Eject Arm

Spring

Bottom Case

Pivot Bracket

Tabs (Qty 2)

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

Procedure(s) Equipment Special Notes

Top Case Display

Keyboard Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Bottom Case Display

Logic PCA Board

Paw Carrier

Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Mouse Button Latch

Mouse Latch Spring Display Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Mylar Mouse Shield

Pivot Bracket Display

Logic PCA Board Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Eject Buttons (A&B)

Eject Arms (L&R)

Eject Arm Spring

Display Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Pivot Doors (A&B)

Pivot Door Spring Display Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Hinge Cap Display Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

The Hinge Caps

simply slide off of the

ends of the Display.

Security Latch Display Torx #6 screwdriver

5mm hexdriver

Two flat tip screwdrivers

Probe

Use a probe to

remove the Security

Latch from the

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

seek 5 ms 6 ms 6 ms NA

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

Buffer to disc

Buffer to host

13-21 Mbits /sec

4.5 Mbytes /sec 11.4 - 19.2 Mbits/sec

4 Mbytes /sec 11.4 - 19.2 Mbits/sec

4 Mbytes/sec 2.5 MBytes/sec

6.0 MBytes/sec

Buffer size 32 Kbytes static

RAM 31 Kbytes 31 Kbytes NA

Spindle start

time 1 sec typical

3 sec maximum <2 sec maximum <2 sec maximum NA

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

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

(with LapLink Remote) 315 KB 315 505 404

Exit Windows (with out

LapLink Remote) 435 KB 435 533 437

300/425 430 430

VGA RAM

PCMCIA

UMB SPACE

UMB

SPACE

ROM

DOS

SYSTEM BIOS

VGA BIOS

SYSTEM BIOS

UMB SPACE PCMCIA

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

1-1-1 CPU failure

1-1-3 CMOS failure

1-1-4 BIOS Checksum failure

1-2-1 8253 timer failure

1-2-2 DMA setup failure

1-2-3 DMA page register failure

1-3-1 RAM refresh not verified

1-3-2 SMI RAM bad

1-3-3 Low 64K RAM failure

1-3-4 Low 64K RAM even/odd failure

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

Non-Fatal Errors

4-2-1 8253 timer tick test

4-2-2 Shutdown/Restart sequence

4-2-3 Gate A20 failure

4-2-4 Unexpected virtual mode interrupt

4-3-1 RAM test in progress

4-3-3 8253 timer channel 2 test

4-3-4 Time of day clock test

4-4-1 Serial port test

4-4-2 Parallel port test

4-4-3 Math coprocessor test

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

Routine Passed 0000h test passed

80x86 Microprocessor

Error 000fh MPU failed self test

BIOS ROM Checksum

Errors 0010h errors relating to the BIOS rom

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

8042

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

Error 0401h failed to switch to protected mode

error code 0500 was previously used

Serial and Parallel Test

Errors 0503h no serial port

0505h bad serial port

0543h no parallel port

Keyboard Device

Errors 0600h kbd has keys stuck

06XXh where XX = the scan code of

the stuck key

System Speed Test

Errors 0702h timer failed to interrupt

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

(POST) Errors 2000h bad port or wrong memory board

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

bit a

0 = ISA (0xxh) register

1 = EISA (4xxh) register

0010h DMA page mask

error codes 3000-3010 were previously used

Real-Mode (0-1Mb)

RAM Errors 4000h 4XYZ - the interpretation of this error

code is machine dependent

error codes 5000-5FFF were previously used

RAM Address Line

Independence, Parity,

& IO_CHK Errors

6100h errors relating to the address

independence test of ram

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

Shadow-RAM Errors 6500h shadow RAM BIOS failed

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

Functionality Errors 07000h 7XYY where

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-

Processor Errors 0a001h there is no 80287 in the system

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-

Processor Errors 0af00h failed to enter protected mode

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

Errors 0c000h 0CXYZ - the interpretation of this

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

HP OmniBook 300, 425, 430, And 530 PC Service Manual, 5965 0244 300

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