HP Omnibook Xe3 Service Manual

HP OmniBook XE3 Product Information 1-13
Keyboard and
Pointing DeviceKeyboard:
– 87-/88-/90-key touch-type QWERTY keyboard with 101/102 key emulation.
– Embedded numeric keypad, 12 function (Fn) keys.
– Spill-resistant.
– NS 87570 keyboard controller.
Pointing device: touch pad with on/off and scroll up/down buttons.
Audio SystemESS Allegro (1988):
– Integrated AC’97 CODEC.
– HSP modem interface via MC’97 link.
– Support wake-up on ring.
Modem CODEC ESS 2828 on mini-PCI slot.
Stereo sound via two...

1-14 Product Information HP OmniBook XE3
Mechanical FeaturesKensington MicroSaver lock slot.
Continuously variable-speed fan.
StandardsPC99, ACPI.
Environmental Limits
Operating temperature: 0 to 40 °C (32 to 104 °F).
Operating humidity: 10 to 90 percent RH without condensation.
Operating altitude: up to 3050 m (10,000 ft).
Storage temperature: –20 to 65 °C (–4 to 149 °F).
Storage altitude: up to 12,200 m (40,000 ft).
Mean time between failure: 20,000 hours.
Software Specifications
 Table 1-1. XE3 Series...

HP OmniBook XE3 Product Information 1-15
System Resources
The following tables list the default values for the notebook’s system resources. Use the BIOS Setup
utility (see page 3-29) to view all available port and audio device configurations in the System
Devices menu.
The tables in this section show typical resource usage as set up by the notebook’s BIOS. Plug-and-
play operating systems, drivers, and BIOS Setup settings may change some of the entries.
 Table 1-1. System Interrupts
0 System timer
1...

1-16 Product Information HP OmniBook XE3
 Table 1-3. System Input/Output Addresses (100-3FF)
170–177 Internal CD-ROM drive (secondary IDE controller)
1F0–1F7 Internal hard disk drive (primary IDE controller)
220–22F DOS games (FM decoding)
376 Internal CD-ROM drive (secondary IDE controller)
378–37F LPT1 (printer port)
388–38B DOS games (FM decoding)
3B0–3BB VGA adapter
3C0–3DF VGA adapter
3E0–3E1 PCMCIA controller
3F0–3F5 Floppy disk drive controller
3F6 Internal hard disk drive (primary IDE...

HP OmniBook XE3 Product Information 1-17
 Table 1-5. XE3 Series Accessories
AccessoryDescription
Memory
F1456B 32-MB SDRAM PC-100 expansion module
F1457B 64-MB SDRAM PC-100 expansion module
F1622B 128-MB SDRAM PC-100 expansion module
Power Options
F1454A AC adapter (60-watt)
F1781A Ultra Slimline AC adapter (60-watt)
F1455A Auto/airline AC adapter (75-watt)
F2024A LiIon battery (9 cell)
Adapters
F1469APS/2 “Y” adapter
PC Cards
F1623A 10/100-Mbps Ethernet +56-Kbps modem PC Card by Xircom
F1625A 56-Kbps...

1-18 Product Information HP OmniBook XE3
Internal Design
The motherboard PCA is the central component of the notebook’s design, and 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. In
addition, the table on page 1-18 lists the roles that the replaceable modules play in each of the
notebook’s functional subsystems.
 
 Figure 1-8. Replaceable...

HP OmniBook XE3 Product Information 1-19
 Table 1-1. Functional Structure
Function Components Used Component Roles
BootupCPU module
Motherboard
Floppy disk module
Hard disk driveMain processor.
Primary system circuitry.
First source of disk-based startup code.
Second source of disk-based startup code.
ProcessorCPU module
MotherboardMain processor, numeric data processor, L1 and L2 cache.
Primary system circuitry.
MemoryMotherboard
SDRAM module
Video PCANo onboard RAM.
Changeable RAM (2 slots).
Video...

HP OmniBook XE3 Removal and Replacement 2-1
This chapter tells you how to remove and replace the notebook’s removable components and
assemblies. The items marked by 
· in the following table are user-replaceable.
  Table 2-1. Removal Cross-Reference
 
 · Battery (page 2-3).
 · Carrier, hard disk drive (page 2-14).
Case, bottom (page 2-34).
Case, top (page 2-20).
 · Cover, keyboard (page 2-9).
 · Cover, mini-PCI (page 2-16).
 · Cover, SDRAM (page 2-16).
 · Covers, screw (page 2-16).
Display assembly (page...

2-2 Removal and Replacement HP OmniBook XE3
Disassembly Flowchart
The following diagram shows the general “path” you will use in disassembling the notebook to access
any particular component.
 Figure 2-1. Disassembly Flow
Start
Battery, AC adapter,
SDRAM modules, mini-PCI card
Keyboard cover
Keyboard
Hard disk drive assembl
y
Display assembly
Top case assembly
Hinge saddle set
• CD-ROM/DVD drive assembly
• Video PCA
• Floppy disk drive assembly
• Headphone PCA
Heatsink assembly (with fan)
CPU module...