HP OmniBook XE4400 User manual

®
HP Omnibook XE4400
Technology Code KD
Service Manual

ii HP Omnibook XE4400
Notice
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Edition History
Edition 1 (KD) ................................ April 2002

HP Omnibook XE4400 iii
Contents
Product Information...................................................................................................... 1-1
Features .........................................................................................................................................1-2
Operation.......................................................................................................................................1-5
Turning the Notebook On and Off .........................................................................................1-5
Checking the Status of the Notebook .....................................................................................1-6
Using Fn Hot Keys .................................................................................................................1-7
Resetting the Notebook ..........................................................................................................1-8
Specifications ................................................................................................................................1-9
Internal Design ............................................................................................................................1-12
Removal and Replacement............................................................................................ 2-1
Disassembly Flowchart..................................................................................................................2-3
Removing the Battery (User-Replaceable)....................................................................................2-4
Removing a SDRAM Module (User-Replaceable).......................................................................2-5
Removing the Wireless LAN Mini-PCI Card (User-Replaceable) ...............................................2-7
Removing the Hard Disk Drive (User-Replaceable).....................................................................2-8
Replacing Small Parts (User-Replaceable) .................................................................................2-10
Removing the Keyboard Cover/Speaker Assembly (User-Replaceable) ....................................2-11
Removing the Keyboard (User-Replaceable)..............................................................................2-13
Removing the Button Cover (User-Replaceable)........................................................................2-15
Removing the CD/DVD Drive (User-Replaceable)....................................................................2-17
Removing the Display Assembly (HP Authorized Service Providers Only) ..............................2-18
Removing the Top Case (HP Authorized Service Providers Only) ............................................2-20
Removing the Floppy Drive (HP Authorized Service Providers Only) ......................................2-22
Removing the Infrared (I/R) PCA (HP Authorized Service Providers Only) .............................2-24
Removing the Audio Control PCA (HP Authorized Service Providers Only) ...........................2-26
Removing the PCMCIA Socket (HP Authorized Service Providers Only) ................................2-28
Removing the ESD Shield (HP Authorized Service Providers Only).........................................2-29
Removing the Heatsink (with Fans) (HP Authorized Service Providers Only) ..........................2-31
Removing the CPU Module (HP Authorized Service Providers Only) ......................................2-33
Removing the Motherboard (HP Authorized Service Providers Only).......................................2-34
Replacing Components on a Bottom Case ..................................................................................2-37
Repairing the BIOS IC (HP Authorized Service Providers Only) ..............................................2-39
Removing Other Components (HP Authorized Service Providers Only) ...................................2-41
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 .........................................................................................................................3-17
e-Diagtools Diagnostic Program ..........................................................................................3-17
Power-On Self-Test ..............................................................................................................3-20
Sycard PCCtest 450/460 PC Card (Optional) ......................................................................3-25
Windows Management Instrumentation (WMI)...................................................................3-26
BIOS Setup Utility................................................................................................................3-27

iv HP Omnibook XE4400
Replaceable Parts........................................................................................................... 4-1
Reference Information................................................................................................... 5-1
Password Removal Policy............................................................................................................. 5-1
Hewlett-Packard Display Quality Statement................................................................................. 5-2
Service Notes and Obsolete Parts ................................................................................................. 5-4

HP Omnibook XE4400 v
Figures
Figure 1-1. Omnibook XE4400— Front View ....................................................................................1-2
Figure 1-2. Omnibook XE4400— Back View.....................................................................................1-3
Figure 1-3. Omnibook XE4400— Bottom View .................................................................................1-4
Figure 1-4. Resetting the Notebook .....................................................................................................1-8
Figure 1-5. Replaceable Module Diagram .........................................................................................1-12
Figure 2-1. Disassembly Flow..............................................................................................................2-3
Figure 2-2. Removing the Battery........................................................................................................2-4
Figure 2-3. Removing an SDRAM Module .........................................................................................2-6
Figure 2-4. Removing the Mini-PCI Card............................................................................................2-7
Figure 2-5. Removing the Hard Disk Drive.........................................................................................2-8
Figure 2-6. Removing the Hard Disk Drive Tray.................................................................................2-9
Figure 2-7. Removing the Keyboard Cover/Speaker Assembly.........................................................2-12
Figure 2-8. Removing the Keyboard ..................................................................................................2-14
Figure 2-9. Removing the Button Cover ............................................................................................2-15
Figure 2-10. Removing the CD/DVD Drive ......................................................................................2-17
Figure 2-11. Removing the Display Assembly ..................................................................................2-19
Figure 2-12. Removing the Top Case ................................................................................................2-21
Figure 2-13. Removing the Floppy Drive ..........................................................................................2-22
Figure 2-14. Removing the I/R PCA..................................................................................................2-25
Figure 2-15. Removing the Audio Control PCA................................................................................2-27
Figure 2-16. Removing the PCMCIA Socket ....................................................................................2-28
Figure 2-17. Removing the ESD Shield.............................................................................................2-30
Figure 2-18. Removing the Heatsink (with Fans) ..............................................................................2-31
Figure 2-19. Removing the CPU Module ..........................................................................................2-33
Figure 2-20. Removing the Motherboard...........................................................................................2-35
Figure 2-21. Example of Serial Number Label ..................................................................................2-37
Figure 2-22. Replacing the Antennas.................................................................................................2-38
Figure 2-23. Removing a PCMCIA Door ..........................................................................................2-38
Figure 2-24. Boot-Block Jumper........................................................................................................2-40
Figure 3-1. Basic Troubleshooting Steps .............................................................................................3-2
Figure 4-1. Exploded View ..................................................................................................................4-2

vi HP Omnibook XE4400
Tables
Table 1-1. Omnibook XE4400 Notebook............................................................................................ 1-1
Table 1-2. Activating Power Modes .................................................................................................... 1-5
Table 1-3. Main Status Lights (front of notebook) ..............................................................................1-6
Table 1-4. Keyboard Status Lights....................................................................................................... 1-6
Table 1-5. Fn Hot Keys........................................................................................................................1-7
Table 1-6. Omnibook XE4400 Specifications .....................................................................................1-9
Table 1-7. Omnibook XE4400 Accessories....................................................................................... 1-11
Table 1-8. Functional Structure Description ...................................................................................... 1-13
Table 2-1. Removal Cross-Reference .................................................................................................. 2-1
Table 2-2. Required Equipment........................................................................................................... 2-2
Table 2-3. Recommended Screw Torque Values................................................................................. 2-2
Table 2-4. Replacing Small Parts (User-Replaceable)....................................................................... 2-10
Table 2-5. Removing Omnibook XE4400 Components .................................................................... 2-41
Table 3-1. Scope of Diagnostic Tools.................................................................................................. 3-5
Table 3-2. Troubleshooting Suggestions ............................................................................................. 3-6
Table 3-3. POST Terminal-Error Beep Codes................................................................................... 3-20
Table 3-4. POST Messages................................................................................................................ 3-23
Table 3-5. Sycard PCCtest Commands..............................................................................................3-25
Table 3-6. BIOS Setup Menus and Parameters.................................................................................. 3-27
Table 4-1. Omnibook Replaceable Parts.............................................................................................. 4-3
Table 4-2. Accessory Replaceable Parts .............................................................................................. 4-5
Table 4-3. Part Number Reference ...................................................................................................... 4-5
Table 5-1. Omnibook XE4400 LCD Guidelines ................................................................................. 5-3

HP Omnibook XE4400 vii
Introduction
This manual provides reference information for servicing an HP Omnibook XE4400 (technology code
KD) notebook computer. It is for use by HP-authorized service personnel while installing, servicing,
and repairing this product.
The manual is designed as a self-paced guide that will train you to install, configure, and repair this
notebook. The manual is self-contained, so you can follow it even without having equipment
available.
The following table lists other sources of information about the notebook computer and related
products.
Source Address or Number Comments
HP Notebook Web Site http://www.hp.com/notebooks
(http://www.europe.hp.com/notebook,
European mirror)
HP Business Support web
Site
www.hp.com/go/bizsupport
HP Partnership Web http://partner.americas.hp.com Restricted to Authorized Resellers
only.
HP Asia Pacific Channel
Support Centre for DPSP
Partners
http://www.hp.com.au Restricted to DPSP Partners only.
HP/MCD web site http://www.mcd.hp.com HP’s internal web site for division
information.
America Online Keyword: HP Call [phone] for membership
within the US.
CompuServe GO HP Call [phone] for membership
within the US.
HP Support Assist CD-ROM [phone] US and Canada.
[phone] Outside US and Canada.
Microsoft Windows manual Information about Windows operating
system.
Microsoft Web http://www.microsoft.com Information and updates for Windows
operating systems.

HP Omnibook XE4400 Product Information 1-1
1
Product Information
The HP Omnibook XE4400 notebook computer provides outstanding performance and expandability
in a conveniently portable form. The notebook’s high-performance components use the latest
technologies to enable it to serve as a desktop computer or a portable multimedia presentation tool.
Note that the following list of products is current at the time of publication but is subject to change.
Table 1-1. Omnibook XE4400 Notebook
Omnibook
Product * CPU Display
Hard
Drive
CD/DVD
Drives
Standard
SDRAM/
Video Mem
Communication Battery
F4666 J/H Pentium 4-DT 1.8 GHz 14.1-in XGA 20 GB DVD 256 MB/32 MB Modem/LAN Li-Ion
F4667 J/H Pentium 4-DT 2.0 GHz 15-in XGA 30 GB CDRW/DVD 256 MB/32 MB Modem/LAN Li-Ion
F4670 J/H Pentium 4-DT 1.8 GHz 14.1-in XGA 20 GB DVD 256 MB/16 MB Modem/LAN Li-Ion
F4671 J/H Pentium 4-DT 2.0 GHz 15-in XGA 30 GB CDRW/DVD 256 MB/16 MB Modem/LAN Li-Ion
F4673 J/H Pentium 4-DT 1.8 GHz 15-in SXGA+ 30 GB CD 256 MB/32 MB Modem/LAN Li-Ion
F4674 J/H Pentium 4-DT 2.0 GHz 15-in SXGA+ 40 GB CDRW/DVD 512 MB/32 MB Modem/LAN Li-Ion
This table lists only base product configurations—custom configurations are not included.
* The J/H suffix indicates the notebook’s OS: J = Windows XP Professional with Windows 2000 Recovery CDs,
H = Windows XP Home.

1-2 Product Information HP Omnibook XE4400
Features
The following three illustrations show the notebook’s main external features. For an exploded view of
the notebook, see page 4-2.
Figure 1-1. Omnibook XE4400— Front View
1. Notebook open/close latch.
2. One-touch buttons.
3. Keyboard status lights.
4. Power button. Turns the notebook on and off.
5. Touch pad, scroll pad, click buttons, plus on-off
button.
6. Main status lights (left to right): power mode,
battery, hard disk activity.
7. Infrared port*.
8. Wireless on-off button and indicator light*.
9. Battery.
10. Volume and mute controls*.
11. Audio jacks (left to right): audio out
(headphones), external microphone.
12. CD-ROM, DVD, or other drive.
13. Universal Serial Bus (USB) port.
* on certain models

HP Omnibook XE4400 Product Information 1-3
Figure 1-2. Omnibook XE4400— Back View
14. AC adapter jack.
15. Two USB ports.
16. LAN port*.
17. PS/2 keyboard or PS/2 mouse port (supports Y
adapter).
18. Parallel port (LPT1). Use this port for a parallel
printer or other parallel device.
19. External monitor.
20. S-video port*.
21. Kensington lock slot (security connector).
22. Modem port*.
23. IEEE 1394 port*.
24. Two PC Card and CardBus slots and buttons.
25. Floppy drive*.
* on certain models

1-4 Product Information HP Omnibook XE4400
Figure 1-3. Omnibook XE4400— Bottom View
26. Hard disk drive.
27. Battery latch.
28. Mini-PCI door (no user parts inside).
29. SDRAM door.
30. Port replicator connector*.
31. Reset button.
* on certain models

HP Omnibook XE4400 Product Information 1-5
Operation
This section gives an overview of the notebook’s operation.
Turning the Notebook On and Off
You can start and stop your notebook using its power button. However, at certain times you might
want to use other methods to start or stop the notebook—depending on power considerations, types of
active connections, and start-up time.
Note
This manual describes the notebook in its original factory configuration, with all settings at their
default values.
Table 1-2. Activating Power Modes
Power mode To enter this mode
On
Power mode status light is on.
Press the power button.
Standby mode
Saves significant power.
Turns off the display and other components.
Maintains current session in RAM.
Restarts quickly.
Restores network connections.
Power mode status light blinks.
Press the power button
–or–
click Start, Turn Off Computer, Stand By (Windows XP)
–or–
click Start, Shut Down, Standby (Windows 2000)
–or–
allow timeout.
Hibernate mode
Saves maximum power.
Saves current session to disk, then shuts down.
Restores network connections.
Power mode status light is off.
Press Fn+F12
–or–
click Start, Shut Down, Hibernate (Windows 2000)
–or–
allow timeout.
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.
Click Start, Turn Off Computer, Turn Off (Windows XP)
–or–
click Start, Shut Down, Shut down (Windows 2000)
–or–
press the power button for 4 seconds (only if the Start
menu procedure doesn’t work).
To turn on: Press the power button to restart, or to resume your session from Standby or Hibernate mode.

1-6 Product Information HP Omnibook XE4400
Checking the Status of the Notebook
The main status lights on the front of the notebook report power status, battery status, and hard disk
activity.
Table 1-3. Main Status Lights (front of notebook)
Meaning
Power status
On: notebook is on (even if the display is off).
Blinking: notebook is in Standby mode.
Off: notebook is off or in Hibernate mode.
Hard disk drive activity
On: notebook is accessing the hard disk drive.
Battery 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.
Off: The AC adapter is not connected.
The keyboard status lights, located above the keyboard, indicate the states of the keyboard locks.
Table 1-4. Keyboard Status Lights
Meaning
Caps Lock
Caps Lock is active.
Num Lock
Num Lock is active. (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 (as marked on an external
keyboard).

HP Omnibook XE4400 Product Information 1-7
Using Fn Hot Keys
The combination of the Fn key plus another key creates a hot key—a shortcut key sequence—for
various system controls. To use a hot key, press and hold Fn, press the appropriate second key, then
release both keys.
Table 1-5. 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+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+F12 Enters Hibernate mode.
Fn+NumLock Toggles Scroll Lock on and off.
Fn+Page Up Increases the audio volume and cancels the mute setting.
Fn+Page Down Decreases the audio volume.
Fn+Backspace Audio mute.

1-8 Product Information HP Omnibook XE4400
Resetting the Notebook
Occasionally, Windows or the notebook might stop responding, so that you cannot turn the notebook
off. If this happens, try the following in the order listed. Press the power button to restart.
•If possible, shut down Windows:
Windows XP: press CTRL+ALT+DEL, and then click Shut Down, Restart.
Windows 2000: press CTRL+ALT+DEL, click Shut Down, and press the power button to restart.
•Press and hold the power button for about four seconds until the display shuts down, and then
press the power button again to restart.
•Use a ballpoint pen or a straightened paper clip to press the reset button on the bottom of the
notebook.
Figure 1-4. Resetting the Notebook
Note
To boot from a CD, insert a bootable CD (such as the Recovery CDs) into the CD/DVD drive, then
restart. Press Esc when the HP logo appears, then select the CD/DVD drive as the temporary
boot device.

HP Omnibook XE4400 Product Information 1-9
Specifications
The following tables list the specifications for the notebook and its accessories. These are subject to
change: for the latest versions, see the HP Notebook web site (www.hp.com/notebooks).
Table 1-6. Omnibook XE4400 Specifications
Physical Attributes Size (14-inch display): 329 × 272 × 44 mm (rear: 48 mm)
(13 × 10.7 × 1.8 in; rear: 1.9 in).
Size (15-inch display): 329 × 272 × 45 mm (rear: 49 mm)
(13 × 10.7 × 1.8 in; rear: 1.9 in).
Weight: 2.9 kg (6.5 lb) minimum, depending on configuration.
Processor and
Bus Architecture
1.8- to 2.0-GHz Intel Pentium 4 processor (SFF or desktop).
512-KB L2 cache.
1.2- to 1.3-V core low-power processor with 400-MHz processor system bus.
Video 14.1-inch XGA (1024 × 768), or 15.0-inch XGA (1024 × 768) or SXGA+
(1400 × 1050) active-matrix (TFT) LCD display.
Hardware 3D acceleration, hardware DVD acceleration.
External monitors up to 1600 × 1200 resolution, 16M colors, and at least 85 Hz
refresh rate (only 60 Hz at 1400 × 1050). Refresh rate and clarity may vary
depending on monitor, resolution, and color depth.
ATI Mobility Radeon graphics accelerator with 32-MB DDR graphics memory,
4x AGP graphics capability.
Dual display capability (depends on operating system support).
Power Rechargeable lithium-ion (14.8 Vdc) or nickel-metal-hydride (9.6 Vdc) battery with
LED charge-level gauge.
Battery life: up to 3 (LiIon) or 2 hours (NiMH) hours typical (varies with model, usage,
and power settings).
Fast battery recharge: 2.5 hours when system is off, 4 hours when system is on.
Low-battery warning.
Suspend/resume capability.
Universal AC adapter: 100–240 Vac (50/60 Hz) input, 19 Vdc output, 90 W.
Mass Storage 20- to 60-GB removable hard drive with Ultra-DMA 100 interface.
1.44-MB floppy drive (certain models).
24x CD-ROM, or 8x DVD, or CD-RW, or CD-RW/DVD drive (or higher).
RAM At least 128 MB SDRAM preinstalled.
Two slots for PC2100 DDR-266 SDRAM modules.
Up to 2 GB (2048 MB) SDRAM using 1 GB modules (when available); otherwise,
up to 1 GB (1024 MB) SDRAM using 512 MB modules.
Audio System Stereo sound via two built-in speakers.
3D-enhanced audio.
Volume and mute buttons (certain models).
Built-in microphone (certain models).
Headphone-out and microphone-in.
Keyboard and
Pointing Device
87/88-key touch-type QWERTY keyboard with 101/102 key emulation.
Embedded numeric keypad.
12 function (Fn) keys.
5 user-programmable One-Touch buttons.
Touch pad with integrated scroll pad, on-off button and indicator.
Left and right click buttons.
LAN
(certain models)
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, NCP/IPX, DHCP.

1-10 Product Information HP Omnibook XE4400
Modem
(certain models)
Software-based modem.
Data speed: 56 Kbps (V.92) 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, V.92, 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.
Wireless LAN
(certain models)
Radio: IEEE 802.11b, WECA Wi-Fi compliant, direct-sequence spread-spectrum.
Operating frequency: 2.5-GHz ISM band, exact frequencies and channels depend on
country.
Raw data rate: 1, 2, 5.5, or 11 Mbps.
Transmitter output: 15 dBm typical (approx. 30 mW), 16 dBm max (approx. 40 mW).
Receiver sensitivity: –84 dBm typical.
Range: up to 100 m (300 ft) or more, depending on environment and conditions.
On-off button and indicator.
Mini-PCI interface.
Input/Output 25-pin bi-directional ECP/EPP parallel.
15-pin VGA video-out with DDC support.
S-video TV out (certain models).
PS/2 keyboard/mouse.
4-Mbps IrDA-compliant infrared port (certain models).
IEEE-1394 (certain models).
Universal serial bus (USB 1.1), three ports.
Expandability One or two 16-/32-bit PC Card slots, Type II or III, CardBus enabled.
Optional port replicator (certain models).
Security Features User and administrator passwords.
System password.
PC identification displayed at boot.
WMI-accessible electronic serial number.
Kensington MicroSaver lock slot.
Environmental Limits Operating temperature: 5 to 35 °C (41 to 95 °F).
Operating humidity: 20 to 90 percent RH (5 to 35 °C).
Operating altitude: up to 3000 m (10,000 ft) at 25 °C (77 °F).
Storage temperature: –20 to 50 °C (–4 to 122 °F).
Major ICs CPU: Intel Pentium 4 processor (SFF or desktop).
Core logic: ALI 1671 / 1535+ chipset.
Display controller: ATI Mobility Radeon M6-C/P.
Audio/Modem controller: Conexant Smart AMC CX20468-21.
CardBus controller: TI PC1520.
Keyboard/embedded controller: National PC87570.
Super I/O: integrated in core logic.
IEEE 1394: TI TSB43AB22.
LAN: National NS83815.
802.11b wireless LAN: Ambit with Intersil Prism 2.5 chipset.

HP Omnibook XE4400 Product Information 1-11
Table 1-7. Omnibook XE4400 Accessories
Accessory Description
Memory
F4694A 128-MB SDRAM module (DDR266)
F4695A 256-MB SDRAM module (DDR266)
F4696A 512-MB SDRAM module (DDR266)
Hard Drive
F4810A 40-GB hard disk drive module
Power Options
F4813A/
F5104A
90-watt AC adapter
F4809A/
F4812A
8-cell Lithium-ion battery
8120-6312 Replacement power cord (Australia)
8120-6313 Replacement power cord (U.S., Canada, Taiwan)
8120-6314 Replacement power cord (Europe)
8120-6316 Replacement power cord (Japan)
8121-0702 Replacement power cord (India)
8120-6317 Replacement power cord (South Africa)
8120-8367 Replacement power cord (Argentina)
8120-8373 Replacement power cord (People’s Rep. of China)
8120-8441 Replacement power cord (S. Korea)
8120-8452 Replacement power cord (Chile)
8120-8699 Replacement power cord (Hong Kong, Singapore)
Adapters
F1469A PS/2 Y adapter
PC Cards
F2136B 802.11b wireless comm PC card (128-bit)
F2196A 3Com bluetooth PC card
Docking
F4808A/
F4811A
Simple port replicator
Other
F2100A USB optical travel mouse
P1534A External amplified speakers
P1977A USE compact flash reader (Type II)
F1645A Kensington lock
P1978B USB web camera

1-12 Product Information HP Omnibook XE4400
Internal Design
The motherboard PCA is the central component of the notebook’s design. It plays a role in virtually
all system functions. The CPU module and most other subsystems connect to the motherboard.
The following figure shows the connections among the notebook’s replaceable electronic modules.
Table 1-8 on page 1-13 lists the roles that these modules play in the notebook’s functional subsystems.
Figure 1-5. Replaceable Module Diagram