HP book XE2 manual Functional Structure, Docking port

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Bootup

Processor

Memory

Power

Display

Hard disk drive

Floppy disk drive

Keyboard

Pointer

Audio

Status

Serial

Parallel

Infrared

PS/2 port

USB

Docking port

PCMCIA

CPU module Motherboard

BIOS IC

Floppy disk module Hard disk drive

CPU module

Motherboard

RAM board

Battery

Motherboard

AC adapter

Motherboard

LCD module

Inverter PCA

Motherboard Hard disk drive

Motherboard Floppy disk module

Motherboard

BIOS IC

Keyboard

Motherboard

Touch pad

Motherboard

LED PCA

Speakers

Motherboard

LED PCA

Motherboard

Modem PCA

Motherboard

Modem PCA

Motherboard

LED PCA

Motherboard

LED PCA

Motherboard

LED PCA

Motherboard

Motherboard PCMCIA socket

Table 1-10. Functional Structure

Main processor (MMO).

Primary system circuitry.

Code for basic system functions.

First source of disk-based startup code.

Second source of disk-based startup code.

Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry.

Optional, additional RAM.

Power storage.

AC adapter socket, power switch, lid switch, system-off switch, power supply.

AC-to-DC converter.

PCMCIA/zoomed video controller.

Display output, backlight.

Power converter for backlight.

Hard disk controller.

Hard disk mechanism.

Floppy disk controller.

Floppy disk mechanism.

Keyboard controller.

Keyboard BIOS.

Key switches.

Keyboard controller.

Touch pad sensor, controller (PS/2 output).

Audio controller, speaker amplifier, headphone amplifier, zoomed video controller, mute switch.

External audio jacks. Speakers.

Keyboard controller.

Power LEDs.

I/O controller.

Serial connector.

I/O controller

Parallel connector.

I/O controller.

Infrared transmitter/receiver.

Keyboard controller, PS/2 processor

PS/2 connector.

Bus controller (South Bridge)

USB connector.

Docking logic, docking connector.

PCMCIA controller.

PCMCIA connectors.

HP OmniBook XE2

Product Information 1-13

Image 19

Contents Page Edition History Contents Tables FiguresHP OmniBook XE2 Address or Number IntroductionSources of OmniBook Information SourceOmniBook XE2 OmniBook Front View Features and OperationOmniBook Bottom View OmniBook Status Lights Turning the OmniBook On and OffActivating Power Modes Status Lights LED PCA Checking the Status of the OmniBookHot Key Using Fn Hot KeysResetting the OmniBook Fn Hot Keys00000 9FFFF A0000 Bffff C0000 Cffff D0000 Dbfff System ResourcesSystem Interrupts System MemoryDMA Channels System Input/Output Addresses 100-3FF OmniBook XE2 Specifications SpecificationsSoftware Security Features Environmental Limits Major ICs Internal Design Replaceable Module DiagramDocking port 10. Functional StructurePage Removal Cross-Reference Screw Thread Size Recommended Screw TorquesTorque kgfcm Torque lbfin Removal Procedure Removing the BatteryRequired Equipment Product Number RAM Board Replacement Part NumbersRemoving a RAM Board DescriptionReleasing the RAM Module Latches Reassembly Notes Exchange Part Number Hard Disk Drive Replacement Part NumberRemoving the Hard Disk Drive Part NumberPart Feet RAM Module Cover Replacement ProcedureReplacing Small Parts Replacing Small Parts User-ReplaceableRemoving the Fan HP Authorized Service Providers OnlyRemoving the Keyboard Cover and Screws Removing the KeyboardInstalling the Keyboard Reassembly Notes Removing the Display Assembly Reassembly Notes Removing the Display AssemblyRemoving the LCD Module Removing the LCD Module Reassembly Notes Removing the Top Case Removing the Top Case10. Detaching the Bottom Case Technology Code DD Removing the CPU and Motherboard11. Removing the CPU and Motherboard Storing the Serial Number Electronically Installing a New Serial Number Label Removing Bottom Case Components Removing Other ComponentsRemoving Display Components Removing Top Case ComponentsLED PCA Modem PCA Motherboard RAM Board Removal ProceduresHP OmniBook XE2 Troubleshooting and Diagnostics Troubleshooting the Problem TroubleshootingVerifying the Repair Bios Setup Suggestions for TroubleshootingScope of Diagnostic Tools Power-On DMI/TopTools Self-Test If installedSymptom Troubleshooting SuggestionsStartup Repair Center Comments Power/BatteryCall Center Suggestions Repair Center Likely CausesTouch pad Floppy drive Call Center SuggestionsSerial/Parallel Miscellaneous Accessories OmniBook Diagnostic Program Diagnostic ToolsCreating a Diagnostic Floppy Disk Enter Running the Diagnostic TestCode Suggestions System Tests OmniBook Diagnostic Error CodesHard Disk Tests SMBus Tests IR Tests FIR enabled, undocked Power-On Self-TestPost Description Post Terminal-Error Beep CodesPost Messages Beep Codes02B0 Diskette drive a error 02B1 Diskette drive B error Message Description Press F1 to resume, F2 to Setup, F3 for previousDesktop Management Interface DMI Installing the DMI PackageUninstalling the DMI Package Using the DMI InterfaceContents of the DMI Package Running the Bios Setup Utility Bios Setup UtilityBios Setup Menus and Parameters Security Menu Power APM MenuExit Menu Boot MenuPage Exploded View Except Display Components Exploded View Display Components Exploded View Motherboard Components Technology Code OmniBook XE Replaceable Parts HP Part NumberHP Exchange Part Number DescriptionLCD CVR, ADI 12 TFT LCD CVR, CPT 14 TFT DC/DD PCA, NO-MODEM Layer Accessory Replaceable Parts Order From Cover, Label ProtectQuanta Part Number Order From Quanta Description Part Number Order From Quanta Part Number Reference LCD BKT, CPT 14 TFT DC/DD/DE DOOR, RAM Quanta Part NumberLCD CVR, CPT 14 TFT LCD Bezel Password Removal Policy OmniBook XE LCD Guidelines TFT Hewlett-Packard Display Quality StatementImperfections Not Allowed Type of Imperfection Mechanical Imperfections Details OmniBook XE Technology CodesPart Number P F1753-90004