HP book XE2 manual System Input/Output Addresses 100-3FF, DMA Channels

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Table 1-7. System Input/Output Addresses (100-3FF)

170-177

1F0-1F7

220-22F

376

378-37F

388-38B

3B0-3BB

3C0-3DF

3E0-3E1

3F0-3F5

3F6

3F7

3F8-3FF

0

1

2

3

4

5

6

7

Internal CD-ROM drive (secondary IDE controller)

Internal hard disk drive (primary IDE controller)

DOS games (FM decoding)

Internal CD-ROM drive (secondary IDE controller)

LPT1 (printer port)

DOS games (FM decoding)

VGA adapter

VGA adapter

PCMCIA controller

Floppy disk drive controller

Internal hard disk drive (primary IDE controller)

Floppy disk drive controller

COM1 (serial port)

Table 1-8. DMA Channels

Free

LPT1 (ECP parallel port)

Floppy disk drive

Fast IR (if enabled)

Cascade from secondary PMA controller

Free

Free

Free

HP OmniBook XE2

Product Information

1-9

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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 100-3FFOmniBook XE2 Specifications SpecificationsSoftware Security Features Environmental Limits Major ICs Internal Design Replaceable Module DiagramDocking port 10. Functional StructurePage Removal Cross-Reference Recommended Screw Torques Screw Thread SizeTorque kgfcm Torque lbfin Removing the Battery Removal ProcedureRequired 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 installedTroubleshooting Suggestions SymptomStartup Repair Center Comments Power/BatteryCall Center Suggestions Repair Center Likely CausesTouch pad Floppy drive Call Center SuggestionsSerial/Parallel Miscellaneous Accessories Diagnostic Tools OmniBook Diagnostic ProgramCreating 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 Bios Setup Utility Running the 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 Hewlett-Packard Display Quality Statement OmniBook XE LCD Guidelines TFTImperfections Not Allowed Type of Imperfection Mechanical Imperfections Details OmniBook XE Technology CodesPart Number P F1753-90004