HP omnibook 500 schematic

HP Omnibook 500

®

Service Manual

Notice

In a continuing effort to improve the quality of our products, technical and environmental information
in this document is subject to change without notice.

This manual and any examples contained herein are provided “as is” and are subject to change without
notice. Hewlett-Packard Company makes no warranty of any kind with regard to this manual,
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Consumer transactions in Australia and the United Kingdom: The above disclaimers and limitations
shall not apply to Consumer transactions in Australia and the United Kingdom and shall not affect the
statutory rights of Consumers.

© Copyright Hewlett-Packard Company 1998, 1999, 2000, 2001. All rights reserved. Reproduction,
adaptation, or translation of this manual is prohibited without prior written permission of Hewlett­Packard Company, except as allowed under the copyright laws.

The programs that control this product are copyrighted and all rights are reserved. Reproduction,
adaptation, or translation of those programs without prior written permission of Hewlett-Packard Co.
is also prohibited.

Portions of the programs that control this product may also be copyrighted by Microsoft Corporation,
SystemSoft Corp., Phoenix Technologies, Ltd., ATI Technologies Inc., and Adobe Systems
Incorporated. See the individual programs for additional copyright notices.

Microsoft®, MS-DOS®, and Windows® are U.S. registered trademarks of Microsoft Corporation.
Pentium® and the Intel Inside logo are U.S. registered trademarks and Celeron™ and SpeedStep™
are U.S. trademarks of Intel Corporation. TrackPoint™ is a U.S. trademark of International Business
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This product incorporates copyright protection technology that is protected by method claims of
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All certifications may not be completed at product introduction. Check with your HP reseller for
certification status.

This equipment is subject to FCC rules. It will comply with the appropriate FCC rules before final
delivery to the buyer.

Hewlett-Packard Company
Mobile Computing Division
19310 Pruneridge Ave.
Cupertino, CA 95014, U.S.A.

Edition History

Edition 2.............................June 2001

ii

HP Omnibook 500

Contents

Product Information............................................................................................................ 1-1

Features......................................................................................................................................... 1-3

Operation...................................................................................................................................... 1-7

Turning the Computer On and Off ........................................................................................1-7

Checking the Status of the Computer.................................................................................... 1-8

Using Fn Hot Keys................................................................................................................. 1-9

Resetting the Omnibook...................................................................................................... 1-10

Docking and Undocking the Computer............................................................................... 1-11

Connecting a Floppy Disk Drive ......................................................................................... 1-13

Specifications.............................................................................................................................. 1-14

Internal Design............................................................................................................................ 1-19

Removal and Replacement.................................................................................................. 2-1

Disassembly Flowchart.................................................................................................................2-2

Removing the Main Battery (User-Replaceable).......................................................................... 2-4

Removing a Plug-In Module (User-Replaceable).........................................................................2-5

Removing the Hard Disk Drive (User-Replaceable).................................................................... 2-6

Removing the Power Button Panel (User-Replaceable)............................................................... 2-9

Removing the Keyboard (User-Replaceable)............................................................................. 2-10

Removing an SDRAM Module (User-Replaceable).................................................................. 2-12

Removing a System SDRAM Module................................................................................. 2-12

Removing an Expansion SDRAM Module ......................................................................... 2-13

Removing a Mini-PCI Card (certain models only) (User-Replaceable)..................................... 2-14

Removing the Switchboard PCA (User-Replaceable)................................................................ 2-16

Replacing Small Parts (User-Replaceable)................................................................................. 2-17

Removing the Display Assembly (HP Authorized Service Providers Only).............................. 2-18

Removing the Heatsink/Fan (HP Authorized Service Providers Only)...................................... 2-21

Removing the Top Case (HP Authorized Service Providers Only)............................................ 2-23

Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only)............ 2-25

Replacing the Motherboard ................................................................................................. 2-27

Replacing the Bottom Case.................................................................................................. 2-29

Repairing the BIOS IC (HP Authorized Service Providers Only).............................................. 2-32

Removing Omnibook Components (HP Authorized Service Providers Only)........................... 2-34

Troubleshooting and Diagnostics....................................................................................... 3-1

Troubleshooting............................................................................................................................ 3-2

Checking for Customer Abuse............................................................................................... 3-3

Troubleshooting the Problem................................................................................................. 3-3

Verifying the Repair .............................................................................................................. 3-4

Suggestions for Troubleshooting........................................................................................... 3-5

Diagnostic Tools......................................................................................................................... 3-19

e-DiagTools ......................................................................................................................... 3-19

Power-On Self-Test ............................................................................................................. 3-26

Sycard PCCtest 450/460 CardBus Card (Optional)............................................................. 3-29

Desktop and Windows Management Interfaces (DMI/WMI)..............................................3-30

BIOS Setup Utility...............................................................................................................3-31

HP Omnibook 500

iii

Replaceable Parts.................................................................................................................4-1

Reference Information.........................................................................................................5-1

Password Removal Policy.............................................................................................................5-1

Hewlett-Packard Display Quality Statement.................................................................................5-2

Obsolete Parts................................................................................................................................5-4

Figures

Figure 1-1. Omnibook — Front View..................................................................................................1-3

Figure 1-2. Omnibook — Back View..................................................................................................1-4

Figure 1-3. Omnibook — Bottom View...............................................................................................1-4

Figure 1-4. Expansion Base — Front View .........................................................................................1-5

Figure 1-5. Expansion Base — Back View..........................................................................................1-6

Figure 1-6. Resetting the Computer ...................................................................................................1-10

Figure 1-7. Docking the Computer.....................................................................................................1-11

Figure 1-8. Undocking the Computer.................................................................................................1-12

Figure 1-9. Manually Undocking the Computer ................................................................................1-12

Figure 1-10. Connecting a Floppy Disk Drive...................................................................................1-13

Figure 1-11. Replaceable Component Diagram.................................................................................1-19

Figure 2-1. Disassembly Flow..............................................................................................................2-2

Figure 2-2. Removing the Main Battery...............................................................................................2-4

Figure 2-3. Releasing the Module........................................................................................................2-5

Figure 2-4. Removing the Hard Disk Drive.........................................................................................2-6

Figure 2-5. Removing the Hard Disk Tray...........................................................................................2-7

Figure 2-6. Removing the Power Button Panel....................................................................................2-9

Figure 2-7. Removing the Keyboard Screws......................................................................................2-10

Figure 2-8. Removing the Keyboard..................................................................................................2-11

Figure 2-9. Removing the System SDRAM Module..........................................................................2-12

Figure 2-10. Removing an SDRAM Expansion Module ...................................................................2-13

Figure 2-11. Removing the Mini-PCI Card (modem card shown).....................................................2-15

Figure 2-12. Routing the Mini-PCI Cables (LAN/modem card shown) ............................................2-15

Figure 2-13. Removing the Switchboard PCA (wireless model shown)............................................2-16

Figure 2-14. Removing the Display ...................................................................................................2-19

Figure 2-15. Routing the Display Cable.............................................................................................2-19

Figure 2-16. Removing the Heatsink/Fan...........................................................................................2-21

Figure 2-17. Separating the Heatsink and Fan ...................................................................................2-22

Figure 2-18. Removing the Top Case.................................................................................................2-24

Figure 2-19. Removing the Motherboard...........................................................................................2-26

Figure 2-20. Removing Motherboard Components............................................................................2-27

Figure 2-21. Removing Bottom Case Components............................................................................2-30

Figure 2-22. Replacing the Docking Doors........................................................................................2-31

Figure 2-23. Example of Serial Number Label ..................................................................................2-31

Figure 2-24. Boot-Block Jumper........................................................................................................2-33

Figure 3-1. Basic Troubleshooting Steps .............................................................................................3-2

Figure 3-2. e-DiagTools Screens — Basic and Advanced.................................................................3-19

Figure 3-3. Serial and Parallel Loopback Connectors........................................................................3-21

Figure 4-1. Omnibook — Exploded View...........................................................................................4-2

iv

HP Omnibook 500

Tables

Table 1-1. Omnibook 500 Series Models............................................................................................ 1-1

Table 1-2. Product Comparisons......................................................................................................... 1-2

Table 1-3. Activating Power Modes.................................................................................................... 1-7

Table 1-4. Main Status Lights (front of computer).............................................................................. 1-8

Table 1-5. Keyboard Status Lights...................................................................................................... 1-8

Table 1-6. Fn Hot Keys ....................................................................................................................... 1-9

Table 1-7. Omnibook 500 Series Specifications............................................................................... 1-14

Table 1-8. Omnibook 500 Series Accessories................................................................................... 1-17

Table 1-9. Functional Structure......................................................................................................... 1-20

Table 2-1. Removal Cross-Reference.................................................................................................. 2-1

Table 2-2. Required Equipment...........................................................................................................2-3

Table 2-3. Recommended Screw Torques........................................................................................... 2-3

Table 2-4. Hard Disk Drive Replacement Part Numbers.................................................................... 2-6

Table 2-5. SDRAM Module Replacement Part Numbers................................................................. 2-12

Table 2-6. Mini-PCI Card Replacement Part Numbers..................................................................... 2-14

Table 2-7. Replacing Small Parts (User-Replaceable)...................................................................... 2-17

Table 2-8. Removing Omnibook Components.................................................................................. 2-34

Table 3-1. Scope of Diagnostic Tools................................................................................................. 3-5

Table 3-2. Troubleshooting Suggestions.............................................................................................3-6

Table 3-3. e-DiagTools Error Codes................................................................................................. 3-22

Table 3-4. POST Terminal-Error Beep Codes.................................................................................. 3-26

Table 3-5. POST Messages............................................................................................................... 3-27

Table 3-6. Sycard PCCtest Commands ............................................................................................. 3-29

Table 3-7. BIOS Setup Menus and Parameters................................................................................. 3-32

Table 4-1. Replaceable Parts............................................................................................................... 4-3

Table 4-2. Accessory Replaceable Parts.............................................................................................. 4-6

Table 4-3. Part Number Reference......................................................................................................4-7

Table 5-1. Omnibook 500 LCD Guidelines (12.1-in TFT, XGA)....................................................... 5-3

Table 5-2. Obsolete Repair Parts......................................................................................................... 5-4

HP Omnibook 500

v

Introduction

This manual provides reference information for use by HP-authorized service personnel in servicing
and repairing the HP Omnibook 500.

The manual is designed as a self-paced guide that will train you to service, configure, and repair
Omnibook 500 computers. The manual is self-contained, so you can follow it without having
equipment available.

The following table lists other sources of information about the computer and related products.

Source Address or Number Comments

HP Notebook Web Site http://www.hp.com/notebooks

(European mirror:
http://www.europe.hp.com/notebooks)

HP Partnership Web http://partner.americas.hp.com Restricted to Authorized Resellers

only.

HP Asia Pacific Channel
Support Centre for DPSP
Partners

HP/MCD Web Site http://www.mcd.hp.com HP’s internal web site for divisi on

America Online Keyword: HP Call [phone] for membership

CompuServe GO HP Call [phone] for membership

HP Support Assist CD-ROM [phone] U.S. and Canada.

Microsoft Windows manual Information about Windows operating

Microsoft Web http://www.microsoft.com Information and updates for Windows

http://www.hp.com.au Restricted to DPSP Partners only.

information.

within the U.S.

within the U.S.

[phone] Outside U.S. and Canada.

system.

operating systems.

vi

HP Omnibook 500

Product Information

The HP Omnibook 500 provides outstanding performance and expandability, in a conveniently
portable form. Its high-performance components (including the multimedia expansion base) enable it
to perform as a desktop computer or as a portable multimedia presentation tool.

Table 1-1. Omnibook 500 Series Models

Omnibook
Product *

F2157x
F2158x
F2159x

F2160x
F2161x
F2162x

F2163x
F2164x
F2165x

F2166x
F2167x
F2168x

F3476x
F3477x
F3478x

F3479x
F3480x
F3481x

F3482x

F3483x

F3484x
F3485x
F3486x

F3487x

F3488x
This table lists only base product configurations—custom confi gurations are not included.

* For the products listed:

“x” suffix means

** Intel Mobile Pentium III with SpeedStep Technology or Intel Mobile Celeron processor.

CPU ** Display Hard

Drive

Celeron 500 MHz 12.1" TFT XGA 7.5 GB FDD 64 MB None
Celeron 500 MHz 12.1" TFT XGA 7.5 GB FDD 64 MB Modem
Celeron 500 MHz 12.1" TFT XGA 7.5 GB Expansion base,

Pentium III 600 MHz 12.1" TFT XGA 7.5 GB FDD 64 MB None
Pentium III 600 MHz 12.1" TFT XGA 7.5 GB FDD 64 MB Modem
Pentium III 600 MHz 12.1" TFT XGA 7.5 GB Expansion base,

Pentium III 600 MHz 12.1" TFT XGA 10 GB FDD 128 MB None
Pentium III 600 MHz 12.1" TFT XGA 10 GB FDD 128 MB Modem/LAN
Pentium III 600 MHz 12.1" TFT XGA 10 GB Expansion base,

Pentium III 700 MHz 12.1" TFT XGA 20 GB FDD 128 MB None
Pentium III 700 MHz 12.1" TFT XGA 20 GB FDD 128 MB Modem/LAN
Pentium III 700 MHz 12.1" TFT XGA 20 GB Expansion base,

Celeron 600 MHz 12.1" TFT XGA 10 GB FDD 64 MB None
Celeron 600 MHz 12.1" TFT XGA 10 GB FDD 64 MB Modem/LAN
Celeron 600 MHz 12.1" TFT XGA 10 GB Expansion base,

Pentium III 700 MHz 12.1" TFT XGA 20 GB FDD 128 MB None
Pentium III 700 MHz 12.1" TFT XGA 20 GB FDD 128 MB Modem/LAN
Pentium III 700 MHz 12.1" TFT XGA 20 GB FDD 128 MB Modem/LAN/

Pentium III 700 MHz 12.1" TFT XGA 20 GB Expansion base,

Pentium III 700 MHz 12.1" TFT XGA 20 GB Expansion base,

Pentium III 750 MHz 12.1" TFT XGA 30 GB FDD 256 MB None
Pentium III 750 MHz 12.1" TFT XGA 30 GB FDD 256 MB Modem/LAN
Pentium III 750 MHz 12.1" TFT XGA 30 GB FDD 256 MB Modem/LAN/

Pentium III 750 MHz 12.1" TFT XGA 30 GB Expansion base,

Pentium III 750 MHz 12.1" TFT XGA 30 GB Expansion base,

“W”, “WT”, “WG”, or “WU” for Windows 98 installed, or
“K”, “KT”, “KG”, or “KU” for Windows 2000 installed (marketing disti nction only).

Drives Standard

SDRAM

64 MB Modem

FDD, CD-ROM

64 MB Modem

FDD, CD-ROM

128 MB Modem/LAN

FDD, CD-ROM

128 MB Modem/LAN

FDD, CD-ROM

64 MB Modem/ LA N

FDD, CD-ROM

128 MB Modem/LAN

FDD, CD-ROM

128 MB Modem/LAN/

FDD, CD-ROM

256 MB Modem/LAN

FDD, CD-ROM

256 MB Modem/LAN/

FDD, CD-ROM

Communication

802.11 wireless

802.11 wireless

802.11 wireless

802.11 wireless

1

HP Omnibook 500 Product Information 1-1

Table 1-2. Product Comparisons

Omnibook 500 Omnibook 6000 Omnibook 900B

Processor*

Memory

Display

Video

Operating System

HP Toptools
Power Management

Power States

* Intel Mobile Pentium or Mobile Celeron Processor. Dual-speed processors use Intel SpeedStep Technology.

Celeron (500 or 600 MHz) or
Pentium III (600 to 750 MHz).

64, 128, or 256 MB SDRAM in
system slot. Expandable to
512 MB.

12.1-inch TFT XGA display. 15.0- or 14.1-inch TFT XGA

AGP graphics interface.
4 or 8 MB video RAM with 32­or 64-bit graphics interface
and 64-bit graphics controller.
3D and OpenGL graphics
support.
Up to 16M colors (XGA).
Zoomed Video enabled.

Windows 98 or Windows 2000
preinstalled.

HP Toptools 5.0. HP Toptools 4.5 to 5.0. HP Toptools 3.0 to 5.0.
APM 1.2.

ACPI compliant.
On, Standby, Hibernate, Off. On, Display-off, Standby,

Celeron (550 to 650 MHz) or
Pentium III (600 to 850 MHz).

64 or 128 MB SDRAM in
system slot. Expandable to
512 MB.

or 15.0-inch TFT SXGA+
display.

AGP graphics interface.
4 or 8 MB video RAM with 32­or 64-bit graphics interface
and 64-bit graphics controller.
3D and OpenGL graphics
support.
Up to 16M colors (XGA).
Zoomed Video enabled.

Windows 95, Windows 98, or
Windows 2000 preinstalled.

APM 1.2.
ACPI compliant.

Hibernate, Off.

Pentium III (450, 500, 600, or
650 MHz).

64 MB SDRAM on
motherboard. Expandable to
160 or 320 MB.

13.3-inch TFT XGA or 12.1­inch TFT SVGA display.

AGP graphics interface.
4 MB video RAM with 32-bit
graphics interface and 64-bit
graphics controller.
3D and OpenGL graphics
support.
Up to 16M colors (XGA).
Zoomed Video enabled.

Windows 95, Windows 98,
Windows NT, or Windows
2000 preinstalled.

APM 1.2.
ACPI compliant.

On, Display-off, Standby,
Hibernate, Off.

1-2 Product Information HP Omnibook 500

Features

The following three illustrations show the computer’s main external features. For an exploded view of
the computer, see page 4-2.

Figure 1-1. Omnibook — Front View

1. Wireless on-off button and indicator light
(on certain models).

2. Left and right One-Touch buttons (programmable).

3. Sleep button. Suspends and resumes operation.

4. Keyboard status lights: Caps Lock, Num Lock,
Keypad Lock, Scroll Lock.

5. Power slide button. Turns the computer on and
off.

6. Pointing stick (pointing device).

7. Scroll button.

8. Left and right click buttons.

9. Main status lights: power mode, hard disk activity,
main battery charge.

10. Hard disk drive.

11. Audio-off button and audio-off light.

12. Volume control.

13. Audio jacks: audio out (headphones), external
microphone.

14. PC Card slot.

15. PC Card eject button.

16. Built-in microphone.

17. Latch for opening the computer.

HP Omnibook 500 Product Information 1-3

Figure 1-2. Omnibook — Back View

18. Universal serial bus ports (USB).

19. Infrared port (on certain models).

20. External monitor port.

21. Modem port (on certain models).

22. LAN port (on certain models).

23. AC adapter jack.

24. Kensington lock slot (security connector).

25. System-off switch.

Figure 1-3. Omnibook — Bottom View

26. Hard disk drive retaining screw.

27. SDRAM cover.

28. Docking port.

29. Main battery.

30. Main battery latch.

1-4 Product Information HP Omnibook 500

The following two illustrations show the main external features of the expansion base.

Figure 1-4. Expansion Base — Front View

1. Docking connector.

2. Status panel.

3. Status panel button.

4. Speaker (one on each side).

5. Left plug-in module bay. Can contain a CD-ROM
or DVD drive, floppy disk drive, secondary battery,
or other plug-in module.

6. CD status light.

7. CD player power button.

8. CD player controls: previous track, play/pause,
stop, next track, volume.

9. Right plug-in module bay. Used with CD player
controls.

10. Module eject latch (one on each side).

11. Undock switch.

12. Audio jacks: audio out (headphones), external
microphone, audio line in.

13. Kensington lock slot (security connector).

14. Emergency undock latch.

HP Omnibook 500 Product Information 1-5

Figure 1-5. Expansion Base — Back View

15. Universal serial bus ports (USB).

16. S-video (TV out) port.

17. Serial port (COM1).

18. Parallel port (LPT1). Use this port for a parallel
printer or other parallel device.

19. External monitor port.

20. PS/2 mouse port.

21. PS/2 keyboard port.

22. LAN port (works only if the computer has a built-in
LAN port).

23. AC adapter jack.

1-6 Product Information HP Omnibook 500

Operation

This section gives an overview of the operation of the computer and expansion base.

Turning the Computer On and Off

You can start and stop the computer using its blue sleep button. However, at times you may want to
use other methods to start or stop the computer, depending on power considerations, types of active
connections, and start-up time.

Table 1-3. Activating Power Modes

Power mode To enter this mode To turn on again
On mode

Power mode status light is green.

Standby mode

Saves significant power.
Turns off the display and other components.
Maintains current session in SDRAM.
Restarts quickly.
Restores network connections.
Power mode status light is amber.

Hibernate mode

Saves maximum power.
Saves current session to disk, then shuts down.
Restores network connections.
Power mode status light is off.

Shut down (off)

Saves maximum power.
Turns off without saving current session.
At startup, resets everything, starts a new session,
and restores network connections.
Power mode status light is off.

Press the blue sleep button.

Press blue sleep button
–or–
click Start, Shutdown, Standby
–or–
allow timeout.

Press Fn+F12
–or–
Click Start, Hibernate
(Windows 98)
–or–
Click Start, Shut Down, Hibernate
(Windows 2000)
–or–
allow timeout.

Click Start, Shut Down, Shut down
(recommended)
–or–
slide the power button.

Press the blue
sleep button to
display your current
session.

Press the blue
sleep button to
restart and restore
your previous
session.

Press the blue
sleep button to
restart with a new
session.

HP Omnibook 500 Product Information 1-7

Checking the Status of the Computer

The main status lights on the front of the computer report the computer’s power mode and hard drive
activity, and the status of the main battery.

Table 1-4. Main Status Lights (front of computer)

The keyboard status lights indicate the status of the keyboard locks.

Meaning
Power mode

On: the computer is on (even if the display is off).
Blinking: the computer is in Standby mode. (Steady amber light on some models.)
Off: computer is off or in Hibernate mode.

Hard disk drive activity

Blue: the computer is accessing the hard disk drive.

Main battery charge status

Green: the AC adapter is connected and the battery is fully charged.
Amber: the AC adapter is connected and the battery is charging.
Blinking. the AC adapter is connected and the battery is missing or has a fault.

(Steady red light on some models.)
Off: the AC adapter is not connected.

Table 1-5. Keyboard Status Lights

Meaning
Caps Lock

Caps Lock is active.

Num Lock

Num Lock is active (Fn+F9). (The Keypad Lock must also be on to use the
embedded keypad.)

Keypad Lock

The embedded keypad is active (Fn+F8). Num Lock must also be on for the
numeric keys—otherwise, cursor control is active.

Scroll Lock

Scroll Lock is active (Fn+F10).

Battery Status

Every main battery and secondary battery plug-in module has five lights on its back (connector) side
that indicate its charge level. To view these lights, press the pad next to them. The number of lights
that turn on indicates the battery’s charge.

1-8 Product Information HP Omnibook 500

Using Fn Hot Keys

The combination of the Fn key plus another key creates a
various system controls. To use a hot key, press

and hold

hot key

Fn, press the appropriate second key, then

—a shortcut key sequence—for

release both keys.
External PS/2 keyboards support only Fn+F5, Fn+F7, and Fn+F12. To use these, press and hold left

CTRL+left ALT, press the appropriate second key, then release both keys.
External USB keyboards do not support Fn hot keys.

Table 1-6. Fn Hot Keys

Hot Key Effect

Fn+F1 Decreases the display brightness.
Fn+F2 Increases the display brightness.
Fn+F5 Toggles among the built-in display, an external display, and simultaneous display on

both.
Fn+F7 Audio mute.
Fn+F8 Toggles the built-in keypad on and off. Does not affect an external keyboard. If Num

Lock is on, then the numeric functions are active; otherwise, cursor control is active (as

marked on an external keyboard).
Fn+F9 Toggles Num Lock on and off.
Fn+F10 Toggles Scroll Lock on and off.
Fn+F11 Pause.
Fn+F12 Enters Hibernate mode.
Fn+HOME Prints screen.
Fn+UP ARROW* Increases sound volume.
Fn+DOWN ARROW* Decreases sound volume.
* Only if marked on the ARROW keys.

HP Omnibook 500 Product Information 1-9

Resetting the Omnibook

Occasionally, Windows or the computer may stop responding, so that you cannot turn the computer
off. If this happens, try the following in the order listed:

If possible, shut down Windows: press CTRL+ALT+DEL, then click Shut Down. Press the blue

•

sleep button to restart.
Slide and hold the power button for four seconds, until the display shuts down, then press the blue

•

sleep button to restart.
Use a straightened paper clip to press the system-off switch on the left side of the computer. Press

•

the blue sleep button to restart.
Undock the computer if docked, unplug the AC adapter, remove the main battery, then insert a

•

straightened paper clip into the computer’s system-off switch. Press the blue sleep button to
restart.

Figure 1-6. Resetting the Computer

Resetting an Expansion Base

To reset an expansion base—and the computer, if docked (see the following page)—insert a
straightened paper clip into the reset hole on the bottom of the expansion base. You can also reset the
expansion base by undocking the computer and removing all AC and battery power from the base.

Note

To boot from a CD-ROM or DVD drive in the expansion base, insert a bootable CD (such as the

Recovery CD

during reboot, then select the CD-ROM/DVD drive as the temporary boot device.

1-10 Product Information HP Omnibook 500

) into the drive, then restart the computer. Press ESC when the HP logo appears

Docking and Undocking the Computer

You can dock or undock the computer in any power state: on, off, Standby mode, or Hibernate mode.
Make sure, however, that the computer is not entering or resuming from Standby or Hibernate mode
when you dock or undock, or the computer could lock up.

Docking the Computer

By default, the computer automatically turns on when you dock it. If you have trouble inserting the
computer or the docking latches stick, use the emergency undock latch.

1.

Optional:

Insert the back of the computer into the expansion base, then lower the front end into the base and

2.

press down firmly until it clicks into place.

plug the AC adapter into the expansion base.

Figure 1-7. Docking the Computer

HP Omnibook 500 Product Information 1-11

Undocking the Computer

Press the undock switch. (You can use the undock switch when the computer is on, off, or in

1.

Standby or Hibernate mode.)
–or–
Click Start, Eject PC.

Figure 1-8. Undocking the Computer

You may need to wait 10 seconds or more for the computer to undock—the computer may not
respond while it is updating its configuration.

If the computer will not undock using the undock switch or Start menu, use the emergency

2.

undock latch: slide the button down, then move the entire latch forward.

Figure 1-9. Manually Undocking the Computer

1-12 Product Information HP Omnibook 500

Connecting a Floppy Disk Drive

When needed, you can connect the floppy disk drive to one of the computer’s USB ports.

Connect the USB floppy drive cable directly to the floppy drive and to the USB port.

•

You cannot use the USB floppy cable to connect to any other type of drive module, such as a
CD-ROM or DVD drive. The USB cable is for floppy drives only.

Figure 1-10. Connecting a Floppy Disk Drive

HP Omnibook 500 Product Information 1-13

Specifications

The following tables list the specifications for the computer and its accessories. These are subject to
change: for the latest versions, see the HP Notebook web site (www.hp.com/notebooks).

Table 1-7. Omnibook 500 Series Specifications

Physical Attributes Computer:

Size: 278 × 222 × 25 mm (10.9 × 8.7 × 1.0 in).
Weight: 1.5 kg (3.4 lb) minimum, depending on model.
Magnesium casing with rubberized grip surfaces.

Computer docked in expansion base:

Size: 298 × 257 × 45 mm (11.7 × 10.1 × 1.8 in).
Weight: 2.4 kg (5.4 lb) minimum, depending on model.

Processor and
Bus Architecture

Graphics

Power

Mass Storage Computer:

SDRAM

600- to 750-MHz Intel Mobile Pentium III processor with Speed Step technology with
256-KB four-way set-associative L2 cache.
–or–
500- to 600-MHz Intel Celeron processor with 128-KB four-way set-associative L2
cache.

1.35/1.1-V (Pentium III) or 1.35-V (Celeron) core, 2.5-V external, low-power
processor.
32-KB (16-KB instruction, 16-KB data) L1 cache.
32-bit PCI bus.

12.1-inch XGA active-matrix (TFT) display (1024 × 768 × 16M colors).
Zoomed Video support for PC Card slot.
3D and OpenGL graphics support.

Celeron models:

ATI Mobility M graphics accelerator with 4-MB display RAM, 2x AGP graphics
capability.

Pentium III models:

ATI Mobility M1 graphics accelerator with 8-MB display RAM, 2x AGP graphics
capability.

Rechargeable lithium-ion battery (11.1 or 14.8 Vdc) with LED charge-level gauge.
Battery life (single battery): over 4 hours typical (varies with model and usage).
Fast battery recharge: approximately 2 hours.
Low-battery warning.
Suspend/resume capability.
Universal AC adapter: 100–240 Vac (50/60 Hz) input, 19 Vdc output, 60–65 W.
Optional secondary battery available for expansion base module bays.

7.5- to 30-GB removable hard disk drive.

1.44-MB floppy drive module.

Expansion base:

Two bays for plug-in drive modules.
Optional drive modules available.

Two slots for SDRAM expansion (SODIMM, PC100 or higher) up to 512 MB.
64-, 128-, or 256-MB SDRAM installed in system SDRAM slot under keyboard.
100-MHz SDRAM bus.

1-14 Product Information HP Omnibook 500

Audio System Computer:

Built-in speaker.
3D-enhanced PCI bus audio with Zoomed Video support.
Built-in microphone.
Separate audio-off button with indicator light.
Headphone-out and microphone-in.

Expansion base:

CD player (can play with or without computer docked).
Stereo sound via three built-in speakers.
Analog pass-through from the computer.
Headphone-out, microphone-in, and audio line-in.

Keyboard and
Pointing Device

LAN (3Com)

Modem (3Com,
US Robotics)

802.11 Wireless LAN

Input/Output Computer:

Expandability Computer:

84/85/87-key touch-type QWERTY keyboard with 101/102 key emulation.
Embedded numeric keypad.
12 function (Fn) keys.
Two user-programmable One-Touch buttons.
Pointing stick (TrackPoint technology licensed from IBM).
Left and right click buttons, center scroll button.

Ethernet 10Base-T (10 Mbps) and 100Base-TX (100 Mbps) support.
Supports wake-on-LAN, fast IP, DMI, dRMON.
MBA (Managed Boot Agent) support for PXE/BINL, BOOTP, NCP/IPX, DHCP.

Data speed: 56 Kbps (V.90) maximum.
Fax speed: 14.4 Kbps, Class 1 and 2.
Modulation: V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.90, X2, Bell 103,
Bell 212A.
Synchronous transfer: V.80.
Compression: V.42bis, MNP5.
Error correction: V.42, MNP2-4.
Fax: Group 3 fax, Class 1. V.17, V.27ter, V.29, V.21 channel 2.
Local modem adapter provided for non-U.S. regions.

Radio: IEEE 802.11b compliant, ISM frequency band, Direct Sequence Spread
Spectrum.
Operating frequency: within 2.4–2.497 GHz, depending on country (US, Canada,
ETSI, Japan).
Channels: up to 13 channels (22 MHz bandwidth) that can overlap and are
dependent upon the country configuration.
Data rate: 1, 2, 5.5, or 11 Mbps.
RF output: 15 dBm typical (approx. 30 mW), 16 dBm max (approx. 40 mW).
Sensitivity: –84 dBm.
Range: up to 100 m (300 ft) or more, depending on environment and conditions.
On-off button with power indicator.
USB interface.

Two universal serial bus (USB) ports.
15-pin VGA video-out with DDC support. (Resolution up to 1600 × 1200 × 64K or
16M colors. Refresh rate of 60 to 100 Hz, depending on resolution and color depth.
Dual display.)
4-Mbps IrDA-compliant infrared port.

Expansion base:

Two universal serial bus (USB) ports.
9-pin, 115,200-bps serial (16550 UART).
25-pin bi-directional ECP/EPP parallel.
15-pin VGA video-out with DDC support. (Resolution up to 1600 × 1200 × 64K or
16M colors. Refresh rate of 60 to 100 Hz, depending on resolution and color depth.
Dual display.)
S-video (TV out).
PS/2 keyboard and PS/2 mouse.

One Type II 16-/32-bit PC Card slot (3.3 V and 5 V support).
CardBus enabled, Zoomed Video support.

Expansion base:

Two plug-in module bays for accessory modules.

HP Omnibook 500 Product Information 1-15

Security Features

Environmental Limits

Major ICs Computer:

User and administrator passwords.
System, hard drive, and docking passwords.
PC identification displayed at boot.
DMI-accessible electronic serial number.
Kensington MicroSaver lock slot.

Operating temperature: 5 to 35 °C (41 to 95 °F).
Operating humidity: 20 to 90 percent RH, 5 to 35 °C (41 to 95 °F).
Operating altitude: up to 3000 m (10,000 ft) at 25 °C (77 °F).
Storage temperature: –20 to 50 °C (–4 to 122 °F).

CPU: Intel Mobile Pentium III or Celeron processor.
South Bridge: PIIX4M.
Display controller: ATI Mobility M or M1.
Audio controller: ESS Maestro-3E and ESS ES1921.
CardBus controller: TI PCI 1410.
Keyboard/embedded controller: National NS87570.
Super I/O: National NS97338.

Expansion base:

Embedded controller: National NS87570.
PCI IDE controller: CMD PCI-648.
Audio controller: OZ163.

1-16 Product Information HP Omnibook 500

Table 1-8. Omnibook 500 Series Accessories

Accessory Description Omnibook

500

Memory

F1457B 64-MB SDRAM module (PC100)
F1457C 64-MB SDRAM module (PC133)
F1622B 128-MB SDRAM module (PC100)
F1622C 128-MB SDRAM module (PC133)
F1654A 256-MB SDRAM module (PC100)
F1654C 256-MB SDRAM module (PC133)

Hard Drives

0950-4030 7.5-GB hard disk drive
0950-4011 7.5-GB hard disk drive
0950-3934 10-GB hard disk drive
0950-3985 10-GB hard disk drive
0950-3935 20-GB hard disk drive
0950-4162 30-GB hard disk drive

Multimedia Expansion Base

F2096B Multimedia expansion base

Plug-in Modules

F2008A Floppy disk drive cable (parallel)
F2009A Zip drive module
F2013A Floppy disk drive module
F2015A DVD drive module
F2017A CD-ROM drive module
F2018A Second hard drive module with 18-GB hard drive
F2018B Second hard drive module with 20-GB hard drive
F2018C Second hard drive module with 30-GB hard drive
F2022A LS-120 drive module
F2026A CD-RW drive module
F2101A USB floppy disk drive cable
F2107A DVD-ROM/CD-RW drive module

Power Options

F1454A 60W AC adapter
F1455A 75W auto/airline power adapter (12 V)
F1781A 60W Ultraslim AC adapter
F2011A External lithium-ion battery charger for F2014A
F2014A Lithium-ion secondary battery
F2098A Main battery (11.1 V, 6-cell)

•••

•••

•••

•••

•••

•••

•

•

•

•

•

•

•

••

••

••

••

••

••

••

••

••

••

•

••

•••

•••

•••

••

••

•

Compat.

6000

Compat.

900B

HP Omnibook 500 Product Information 1-17

Accessory Description Omnibook

500

8120-6312
8120-6313
8120-6314
8120-6316
8120-6317
8120-8367
8120-8373
8120-8452
8120-8699

PC Cards

F1623A 10/100-Mbps Ethernet + 56-Kbps modem PC

F1625A 56-Kbps global modem PC Card by Xircom
F1626B 10/100-Mbps Ethernet PC Card by 3Com
F1627A 56-Kbps U.S. modem PC Card by Xircom
F1782A 10/100-Mbps Ethernet + 56-Kbps modem PC

F1985A 10/100-Mbps USB-Ethernet adapter by 3Com
F2135B 802.11b wireless LAN access point for use

F2136A 802.11b wireless LAN PC Card
F2138A HP/Sierra Wireless Air Card 300 CDPD PC Card
F2196A Bluetooth PC Card by 3Com

Replacement power cord (Australia)
Replacement power cord (U.S./Canada/Taiwan)
Replacement power cord (Europe)
Replacement power cord (Japan)
Replacement power cord (India/South Africa)
Replacement power cord (Argentina)
Replacement power cord (China)
Replacement power cord (Chile)
Replacement power cord (UK [EPSR]
Hong Kong/Singapore)

Card by Xircom

Card by 3Com

with F2136A

•••

•••

•••

•••

•••

•••

•••

•••

•••

•••

•••

Compat.

6000

Compat.

900B

1-18 Product Information HP Omnibook 500

Internal Design

The motherboard PCA is the central component of the computer’s design, and plays a role in virtually
all system functions. Most components connect directly to the motherboard.

The following figure shows the connections among the replaceable components in the computer and
expansion base. In addition, Table 1-9 on page 1-20 lists the roles that these components play in the
functional subsystems of the computer and expansion base.

Display

Assembly

(1)

Switchboard

PCA

Mini-PCI

Card

Heatsink/fan

Top Case

Expansion

SDRAM

Module

(1) Wireless models only

Battery

Motherboard

Keyboard (with

pointing stick)

System SDRAM

Expansion Base

HDD/LED

Flex Cable

Module

PC Card

Hard Disk Drive

Speaker

Plug-in Module Plug-in Module

Figure 1-11. Replaceable Component Diagram

HP Omnibook 500 Product Information 1-19

Table 1-9. Functional Structure

Function Components Used Component Roles
Bootup

Processor

Memory

Power

Display

Hard disk

Keyboard

Pointer

Audio

Status

Serial

Parallel

Infrared
Wireless

PS/2 ports

USB

Docking

PC Card

Motherboard
Hard disk drive
Removable device

Motherboard Main processor, numeric data processor, L1 and L2 cache, primary system

Motherboard
SDRAM modules

Main battery
Motherboard

Switchboard PCA
Backup battery
CMOS battery
Expansion base
AC adapter

Motherboard
Display assembly

Motherboard
HDD/LED flex cable
Hard disk drive

Motherboard
Keyboard
Switchboard PCA

Motherboard
Keyboard
Top case

Motherboard
Bottom case

Expansion base
Motherboard

Switchboard PCA
HDD/LED flex cable
Top case
Expansion base

Motherboard
Expansion base

Motherboard
Expansion base

Motherboard I/O controller, infrared transmitter/receiver.
Display assembly

Motherboard
Switchboard PCA

Motherboard
Expansion base

Motherboard
Expansion base

Motherboard
Expansion base

Motherboard PC Card controller, PC Card connector.

Main processor, primary system circuitr y.
First source of disk-based startup code.
Second source of disk-based startup code.

circuitry.
Video RAM.

Changeable SDRAM (2 slots).
Power storage.

AC adapter socket, power switch, lid switch, system-off switch, power suppl y,
power control ci rcuitry.
Sleep switch.
Provides short-term power to maintain memory while swapping main battery.
Maintains system data stored in CMOS RAM.
AC adapter socket, system-off switch, power supply, power control circuitr y.
AC-to-DC converter.

PCMCIA/Zoomed Video controller, display drivers, LVDS processing,
display/graphics controller, video RAM.
Display output, backlight, power converter for backlight.

Hard disk controller.
Hard disk signal pass-through.
Hard disk mechanis m .

Keyboard BIOS, keyboard cont roller.
Key switches.
One-Touch switches.

Keyboard BIOS, pointing stick controller (PS/2 output ), keyboard controller.
Pointing stick sensor.
Click buttons , scroll button.

Audio controller, audio decoder, speaker amplifier, Zoomed Video controller,
microphone, external audio jacks, headphone ampl ifier, audio-off switch.
Speaker.
CD player, audio circuitry, speakers.

LED circuitr y, keyboard controller.
Keyboard LEDs.
Main status LEDs.
Audio-off LED.
Status panel.

I/O controll er.
Serial connector .

I/O controll er.
Parallel connector.

Radio PCA, circui try, and antennas, on-off button, and indicator light.
I/O controll er.
Power/signal pass -through.

Keyboard controller .
PS/2 connectors.

Bus controller (South Bridge), USB connectors, overload switch.
USB connectors, over load switch.

Docking logic, docking connector.
Docking connector, undock switch, emergency undock latch.

1-20 Product Information HP Omnibook 500

Removal and Replacement

This chapter tells you how to remove and replace the computer’s removable components and
assemblies. The items marked by

Battery, backup (page 2-34).
Battery, CMOS (page 2-34).
Battery, main (page 2-4).

•

Cable, hard drive/LED flex (page 2-34).
Card, mini-PCI (page 2-14).

•

Case, bottom (page 2-25).
Case, top (page 2-23).
Cover, SDRAM (page 2-17).

•

Covers, display hinge (page 2-17).

•

Covers, display screw (page 2-17).

•

Cover, Trackpoint (page 2-17).

•

Display assembly (page 2-18).
Doors, docking (page 2-31).
Drive, hard disk (page 2-6).

•

in the following table are user-replaceable.

•

Table 2-1. Removal Cross-Reference

Feet, rubber (page 2-17).

•

Guide, hard drive (page 2-34).
Heatsink/fan (page 2-21).
Keyboard (page 2-10).

•

Module, plug-in (page 2-5).

•

Module, SDRAM (page 2-12).

•

Panel, audio/PCMCIA (page 2-35).
Panel, mini-PCI (page 2-35).
Panel, power button (page 2-9).

•

PCA, motherboard (page 2-25).
PCA, switchboard (page 2-16).

•

Plate, EMI (page 2-35).
Speaker (page 2-35).
Tray, hard disk drive (page 2-7).

•

2

Caution

Always provide proper grounding when performing repairs. Without proper
grounding, an electrostatic discharge can damage the computer or
expansion base and their components.

Notes

Reassembly steps are the reverse of the removal/disassembly steps. Reassembly notes are
included at the end of each removal procedure.

Symbols like this throughout this chapter show approximate full-size screw outlines. You
can use these to verify the sizes of screws before you install them. Installing a wrong-size screw
can damage the unit. (The symbol at the left represents an M2.5×5mm T-head screw.)

HP Omnibook 500 Removal and Replacement 2-1

Disassembly Flowchart

‡

The following diagram shows the general “path” you will use in disassembling the computer to access
components.

Start

If removing only

the display

Main battery, AC adapter

Power button panel

Keyboard

Wireless models only:

Switchboard PCA

Display assembly

Top case

Motherboard or

bottom case

• Expansion SDRAM module*

• Hard disk drive*

• Switchboard PCA*

• Mini-PCI card

• Speaker

• System SDRAM module*

• Heatsink/fan*

Hard drive/LED flex cable

•

• Backup battery

• Audio/PCMCIA panel

• Hard drive guide

• Mini-PCI panel

* Also remove these components when removing the motherboard or bottom case.
‡ Also remove this component when replacing the top case.

Figure 2-1. Disassembly Flow

2-2 Removal and Replacement HP Omnibook 500

Table 2-2. Required Equipment

•

#0 Phillips screwdriver, preferably magnetized.

•

Small flat-blade screwdriver.

Table 2-3. Recommended Screw Torques

Screw Thread Size Torque (cm-kgf) Torque (in-lbf)

M2 1.3 – 1.8 1.1 – 1.5
M3 3.0 – 3.5 2.6 – 3.0

Caution

Be careful not to overtighten screws that go directly into magnesium components, or you could
strip the threads in the magnesium.

HP Omnibook 500 Removal and Replacement 2-3

Removing the Main Battery

(User-Replaceable)

One or two plug-in modules can be inserted in the module bays in the expansion base. The computer
itself has no module bays.

Required Equipment

None.

•

Removal Procedure

Slide the battery’s release latch, then lift the battery out of its compartment.

•

Reassembly Note

Insert the front end of the battery into the battery compartment, then press the back end in until it

•

clicks into place.

Figure 2-2. Removing the Main Battery

2-4 Removal and Replacement HP Omnibook 500