HP Book 900 manual Functional Structure, Docking port

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Bootup

Processor

Memory

Power

Display

Hard disk

Floppy 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

Motherboard

RAM board

Battery

Motherboard

AC adapter

Motherboard

LCD module

Motherboard Hard disk drive

Motherboard Floppy disk module

Motherboard

BIOS IC

Keyboard

Motherboard

BIOS IC

Keyboard

Top case

Motherboard

Speaker

Motherboard

Motherboard

Motherboard

Motherboard

Motherboard

Motherboard

Motherboard

Motherboard PCMCIA socket

Table 1-13. Functional Structure

Main processor.

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.

First 32 MB of RAM, video RAM.

Changeable RAM.

Power storage.

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

AC-to-DC converter.

Display/graphics controller, PCMCIA/zoomed video controller, video RAM, power converter for backlight.

Display output, backlight.

Hard disk controller.

Hard disk mechanism.

Floppy disk controller.

Floppy disk mechanism.

Keyboard controller.

Keyboard BIOS.

Key switches.

Keyboard controller, pointing stick controller (PS/2 output). Keyboard BIOS.

Pointing stick sensor.

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

Audio controller, audio decoder, speaker amplifier, headphone amplifier, zoomed video controller, external audio jacks, microphone.

Speaker (mixed left and right channels).

Keyboard controller, main LEDs, keyboard 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.

1-14 Product Information

HP OmniBook 900

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Contents HP OmniBook Edition History Contents Figures TablesHP OmniBook Introduction Sources of OmniBook InformationSource Address or NumberOmniBook 900 Models Memory Display Product ComparisonsProcessor OmniBook Features and Operation OmniBook Front ViewActivating Power Modes Turning the OmniBook On and OffKeyboard Status Lights Motherboard Checking the Status of the OmniBookMain Status Lights Motherboard Using Fn Hot Keys Resetting the OmniBookFn Hot Keys Hot KeySystem Memory System ResourcesSystem Interrupts System Input/Output Addresses 100-3FF 10. DMA ChannelsSpecifications 11. OmniBook 900 SpecificationsOnline Reference Guide 12. OmniBook 900 Accessories 900B 900† 4150 2100/7100 Accessory Description OmniBook CompatibilityDocks Replaceable Module Diagram Internal Design13. Functional Structure Docking portRemoval and Replacement Removal Cross-ReferenceRequired Equipment Recommended Screw TorquesScrew Thread Size M1.4 Torque kgfcm Torque lbfinRemoving the Battery Removal ProcedureReassembly Notes Installing a Battery PanelRAM Board Replacement Part Numbers Removing a RAM BoardPart Number Exchange Part NumberExchange Information Hard Disk Drive Replacement Part NumbersRemoving the Hard Disk Drive Removing the Hard Disk Drive Creating a Hibernate Partition Replacement Procedure Replacing Small PartsReplacing Small Parts User-Replaceable Cover, keyboard screw Door, hard disk FootRemoving the LCD Module Display Component CompatibilityRemoving the LCD Module Removing the Keyboard Removing the Keyboard Reassembly Notes Removing the CPU Module Removing the CPU Module Reassembly Notes Removing the Display Assembly Removing the Display Assembly Reassembly Notes Removing the Top Case 10. Removing the Top Case Reassembly Notes Removing the Motherboard or Bottom Case 11. Removing the Motherboard Reassembly Notes Installing a New Serial Number Label Removing the Bios IC 13. Example of Serial Number Label14. Removing the Bios IC Reassembly Notes Removing Other Components Cable, display power Case, display Hinge Latch, display LCD module Removal ProceduresRemoving Display Components Component Bezel, display Cable, display flexRemoving Top Case Components 10. Removing Bottom Case ComponentsSupport, hinge left Removal Procedures Component HeatsinkComponent Support, hinge right Removal Procedures Troubleshooting and Diagnostics Troubleshooting Troubleshooting the ProblemVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsStartup Troubleshooting SuggestionsSymptom Power/Battery Call Center SuggestionsRepair Center Likely Causes Repair Center CommentsWhite display Erratic display Symptom Keyboard Pointing stick Call Center SuggestionsSerial/Parallel AC adapter MiscellaneousAccessories Creating a Diagnostic Floppy Disk Diagnostic ToolsOmniBook Diagnostic Program Running the Diagnostic Test Serial number Audio deviceOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests Video Tests Acpi Tests Post Messages Power-On Self-TestPost Terminal-Error Beep Codes System battery is dead Replace and run Setup Message DescriptionEntering Setup Sycard PCCtest 450 CardBus Card Optional Lower slot PCT450 -b69 -0Installing the DMI Package Uninstalling the DMI PackageUsing the DMI Interface Desktop Management Interface DMIContents of the DMI Package Bios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultSystem Devices Menu Default Security Menu DefaultPower Menu Boot Menu DefaultOB 900B On OB 900† Off Exit MenuReplaceable Parts Exploded View OmniBook Replaceable Parts IC, Bios Exchange User Part Number ReplExchange Part Number User Repl OmniBook 900B 900† Display Components Assembly-Component Breakdown Accessory Replaceable PartsReplaceable Parts HP OmniBook Description User OmniBook Repl 900B 900† Part Number ReferencePart Number Exchange Yes HP OmniBook Replaceable Parts Replaceable Parts HP OmniBook Part Number Exchange Description User OmniBook Repl B 900†Page Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Reference Information HP OmniBookOmniBook 900 LCD Guidelines TFT Type of ImperfectionElectrical Imperfections Mechanical ImperfectionsReference Information HP OmniBook Obsolete New Description Part Number Obsolete Repair PartsObsolete Parts Page Page Part Number F1770-90001