HP Omnibook Xe4500 Service Manual

							HP Omnibook XE4100/XE4500 Product Information 1-3
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 XE4100/XE4500— 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.  Microphone option (not available).
8. Infrared port*.
9.  W ireless on-off button and indicator light*.
10. Battery.
11. CD-ROM, DVD, or other drive.
12. PS/2 keyboard or PS/2 mouse port (supports Y
adapter).
* on certain models 
						

							1-4 Product Information HP Omnibook XE4100/XE4500
 
  Figure 1-2. Omnibook XE4100/XE4500— Back View
13. AC adapter jack.
14. Two universal serial bus (USB) ports.
15. LAN  port*.
16. S-video  port*.
17. Parallel port (LPT1). Use this port for a
parallel printer or other parallel device.
18. Serial port (COM1). Use this port for a serial
mouse, modem, printer, or other serial
device.
19. External monitor port.
20. Kensington lock slot (security connector).21. Modem  port*.
22. PCMCIA card and CardBus slot and button (XE4100)
PCMCIA card and CardBus slots and buttons (XE4500).
23. IEEE 1394 port*.
24. Audio jacks (left to right): external microphone, audio
out (headphones).
25. Volume  control*.
26. Audio mute button and audio mute light*.
27. Floppy  drive*.
* on certain models
  
						

							HP Omnibook XE4100/XE4500 Product Information 1-5
  Figure 1-3. Omnibook XE4100/XE4500— Bottom View
28. Hard disk drive.
29.  Battery latch.
30. SDRAM  door.31. Reset  button.
32. Port replicator connector*.
33. Mini-PCI door (no user parts inside).
* on certain models 
						

							1-6 Product Information HP Omnibook XE4100/XE4500
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 1-3. Activating Power Modes
Power modeTo 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 (W indows
XP)
–or–
click Start, Shut Down, Standby (W indows 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 (W indows 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 (W indows
XP)
–or–
click Start, Shut Down, Shut down (W indows 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. 
						

							HP Omnibook XE4100/XE4500 Product Information 1-7
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 1-4. 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 1-5. 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). 
						

							1-8 Product Information HP Omnibook XE4100/XE4500
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 1-6. Fn Hot Keys
Hot KeyEffect
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. 
						

							HP Omnibook XE4100/XE4500 Product Information 1-9
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 ball-point 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. 
						

							1-10 Product Information HP Omnibook XE4100/XE4500
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 1-7. Omnibook X4100 and XE4500 Specifications
Physical AttributesSize (14-inch display): 328 × 272 × 33 mm (12.9 × 10.7 × 1.3 in).
Size (15-inch display): 328 × 272 × 35 mm (12.9 × 10.7 × 1.4 in).
W eight: 2.9 kg (6.5 lb) minimum, depending on configuration.
Processor and
Bus ArchitectureOmnibook XE4500:
1.6- to 1.7-GHz Intel Mobile Pentium 4 processor-M with Intel Speed Step
technology.
512-KB L2 cache.
1.2- to 1.3-V core low-power processor with 400-MHz processor system bus.
Omnibook XE4100:
1.13- to 1.20-GHz Intel Mobile Celeron processor.
256-KB L2 cache.
1.45-V core low-power processor with 133-MHz processor system bus.
Video14.1-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.
Omnibook XE4500:
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 16- or 32-MB DDR graphics memory,
4x AGP graphics capability.
Dual display capability (depends on operating system support).
Omnibook XE4100:
External monitors up to 1600 × 1200 resolution with 16K colors at 60 Hz refresh rate
or other resolutions at 64M colors and up to 85 Hz refresh rate. Refresh rate and
clarity may vary depending on monitor, resolution, and color depth.
VIA graphics with up to 32 MB dynamically allocated video RAM [16 MB (default)
video RAM shared with system RAM].
PowerRechargeable 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 hours when system is off, 3 hours when system is on.
Low-battery warning.
Suspend/resume capability.
Omnibook XE4500:
Universal AC adapter: 100–240 Vac (50/60 Hz) input, 19 Vdc output, 75 W .
Omnibook XE4100:
Universal AC adapter: 100–240 Vac (50/60 Hz) input, 19 Vdc output, 60 W  (3.16 A)
Mass Storage20- to 40-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). 
						

							HP Omnibook XE4100/XE4500 Product Information 1-11
RAMAt least 128 MB SDRAM preinstalled.
Omnibook XE4500
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.
Omnibook XE4100
Two slots for PC-133 SDRAM modules.
Up to 1 GB (1024 MB) SDRAM.
Audio SystemStereo sound via two built-in speakers.
3D-enhanced audio.
Volume and mute buttons (certain models).
Headphone-out and microphone-in.
Keyboard and
Pointing Device87/88-key touch-type QW ERTY 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.
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, W ECA W i-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/Output9-pin, 115,200-bps serial.
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), two ports.
ExpandabilityOne or two 16-/32-bit PC Card slots, Type II or III, CardBus enabled.
Optional port replicator (certain models).
Security FeaturesUser and administrator passwords.
System password.
PC identification displayed at boot.
W MI-accessible electronic serial number.
Kensington MicroSaver lock slot. 
						

							1-12 Product Information HP Omnibook XE4100/XE4500
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 Omnibook XE4500:
CPU: Intel Mobile Pentium 4 processor-M.
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.
Omnibook XE4100:
CPU: Intel Mobile Celeron processor.
Core logic: VIA Twister-T + VT8231 chipset.
Display controller: S3 Savage Pro integrated in core logic.
Audio/Modem controller: Conexant Smart AMC CX20468-21.
CardBus controller: O2Micro 6912.
Keyboard/embedded controller: National PC87570.
Super I/O: integrated in core logic.
LAN: VIA Phy, MAC integrated in core logic.
802.11b wireless LAN: Ambit with Intersil Prism 2.5 chipset.