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HP 900 manual Software System Resources, System Interrupts

Models: 900

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Specifications and Regulatory Information

Software System Resources

Software System Resources

The tables in this section show typical default resource usage as set up by the OmniBook BIOS. Plug-and-play operating systems, drivers, and BIOS Setup settings may change some of the entries.

To see other, non-default possibilities, refer to the BIOS Setup utility, which lists port and audio device configurations in the Input/Output menu.

System Interrupts

0System timer

1Keyboard

2Cascade IRQ 9

3Free (or COM2 infrared port, if enabled)

4COM1 (serial port)

5Audio

6Floppy drive

7LPT1 (ECP parallel port)

8Real-time clock

9Video Controller (unmarked models*) Free (“900 B” models*)

10

USB and CardBus - assigned by Windows driver Video Controller (“900 B” models*)

11Free

12Pointing device

13Numeric data processor

14Internal hard disk (primary IDE controller)

15Internal CD-ROM drive (secondary IDE controller)

*Unmarked models have no “900” after the serial number, “900 B” models have “900 B” after the serial number.

Reference Guide 131

Image 131

HP 900 manual Software System Resources, System Interrupts

Contents

HP OmniBook Reference Guide Reference Guide HP Software Product License Agreement Edition History Contents Expanding the OmniBook Managing Battery PowerSupport and Service Configuring the OmniBookTroubleshooting Index Specifications and Regulatory Information 127Introducing the OmniBook Description and Location Getting More InformationSource Included in the OmniBook box Taking InventoryTo buy OmniBook accessories OmniBook-Front View OmniBook FeaturesOmniBook-Side View OmniBook-External Module Bay OmniBook-Back ViewWarranty. Refer to the warranty statement for your product Setting Up for the First TimeTo set up the OmniBook and Windows Windows NT Year To connect the floppy disk drive Operating the OmniBook To start and stop the OmniBook Starting and Stopping the OmniBookHint To reset the OmniBookChecking the Status of the OmniBook To check power status and drive activityTo check the keyboard status Using the OmniBook Pointing Devices Windows To use the built-in pointing devicesTo activate full touch pad capabilities Disable the pointing stickInstall touch pad support To activate full pointing stick capabilities To configure pointing devicesEnable the pointing stick Install pointing stick supportTo disable the touch pad or pointing stick To extend the life of the display Using the OmniBook DisplayTo adjust the display brightness To suspend the OmniBook when closing the display Windows Adjusting the Audio SystemTo adjust the volume On the KeyboardThese keys Do this Using the OmniBook KeyboardTo use the Fn hot keys OmniBook LibraryTo use the embedded keypad To use the Windows keysTo use the ALT GR key About Repetitive Strain Injury What is RSI?Working in Comfort What if I experience discomfort? What causes RSI?What can I do to avoid RSI? Your Chair Preparing Your Work EnvironmentYour Work Posture Your Work SurfaceYour HP Monitor Setting Up Your HP Computing EquipmentWorking in Comfort Your HP Keyboard Monitor Use SpecificationsDocument Holders Mice and Other Input Devices Working in Comfort General Comfort and Safety ChecklistHeadphones and Speakers Overall Preparing Your Mobile Work Environment Using Your Mobile ComputerYour HP OmniBook Computer Working in Comfort Protect your work Taking Care of Your OmniBookProtect your OmniBook from damage Protect your hard disk drive from damageManaging Battery Power How Power is Managed To install APM for Windows NT Monitoring Battery PowerFrom Windows Control Panel To check the battery statusOn the Battery From the Windows TaskbarTo recharge a battery To respond to a low-battery warningOptimum Charging Battery lifeCharging time Adapter To replace the batterySafety on To save battery power Conserving Battery PowerWindows 95, 98, or NT To set power time-outsTo get the most from your battery Page Expanding the OmniBook Action, you could lose data Using the External Module BayTo install hot-swap support Otherwise, you could lose data To remove or install the bay or moduleInstalling To connect the floppy disk drive to the parallel port To identify connectors for external devices Connecting External DevicesTo connect an external monitor To enable the built-in and external displaysTo change display settings in the Bios Setup utility To use an external monitor To connect a printer To connect an external keyboard or PS/2 mouseFor Windows 95, 98, or NT To connect a serial deviceTo connect a serial mouse To connect USB devicesTo connect audio devices Printing to an Infrared Printer To make an infrared connectionWindows NT 4.0 does not support infrared communication Transferring Files with an Infrared Connection To insert and remove a PC Card Using PC CardsUsing PC Cards To install a docking tray Using Docking ProductsTo dock the OmniBook To undock the OmniBook To replace the hard disk drive Installing a Hard Disk DriveTo replace the hard disk drive holder Installing a RAM Expansion Module Steps Forward onto the front of the caseTo remove a RAM expansion module Page Configuring the OmniBook To run the Bios Setup utility Using Bios SetupDescription SettingDefault Main MenuSystem Devices Menu Security Menu Power Menu Exit Menu Boot MenuTo get more information about TopTools Using TopToolsTo install TopTools To run TopToolsTo set or change an OmniBook password Configuring Security OptionsTo install the VirusScan utility To delete an OmniBook passwordTo set PC identification To attach a security cableDisk drive To enable hard disk drive lockTroubleshooting If a port on a dock isn’t working Solving ProblemsAccessory Problems If you can’t boot from a CD in a CD-ROM driveIf a DVD drive locks up the computer in Windows If the OmniBook redocks after undockingIf sound doesn’t record Audio ProblemsIf sound is not audible If an external monitor doesn’t work Display ProblemsIf the OmniBook is on, but the screen is blank If the screen is difficult to readIf DVD images don’t play smoothly Hard Disk Drive ProblemsIf multiple display support doesn’t work in Windows If a DVD image doesn’t appear on an external monitorIf files are corrupted If you have problems with infrared communicationsIf the hard disk makes buzzing or whining noise If the touch pad or pointing stick doesn’t work Keyboard and Pointing Device ProblemsIf the pointer is difficult to control If an external mouse doesn’t work If a special feature on the PS/2 mouse doesn’t workIf you can’t type the euro symbol If the embedded numeric keypad doesn’t workIf a message says you are out of memory Memory ProblemsSpecial pointing stick features stop working after docking If the OmniBook doesn’t recognize a PC Card PC Card Pcmcia ProblemsIf memory doesn’t increase after adding RAM If the OmniBook pauses or runs sluggishly Performance ProblemsIf an I/O card stops communicating properly If the OmniBook gets hotIf the OmniBook keeps beeping Power and Battery ProblemsIf the OmniBook shuts down slowly If the OmniBook turns off immediately after it turns onIf the OmniBook doesn’t suspend as expected If the battery doesn’t chargeIf the OmniBook stops responding If an infrared printer doesn’t print Printing ProblemsIf the OmniBook doesn’t automatically hibernate as expected If a serial or parallel printer doesn’t printIf the serial or parallel port is not working Serial, Parallel, and USB ProblemsIf the left edge of printed output is missing If the serial mouse doesn’t workIf the USB port is not working Startup ProblemsIf the OmniBook doesn’t boot from battery power If a serial modem doesn’t work properlyIf the OmniBook doesn’t boot from the floppy disk drive To run the diagnostic test Testing the OperationSpace To create a diagnostic floppy diskRecovering Software To recover the factory installation of Windows To create a Support Utility Disk Except for the PC Identification and Password To update the OmniBook BiosTo replace a damaged Recovery CD Support and Service Provider Type Type of Assistance Electronic Support ServicesGetting HP OmniBook Assistance Support AssistanceHP will not be able to help with questions about Repair AssistanceCustomer Support Centers Africa/Middle East North AmericaCentral/South America EuropeHewlett-Packard Limited Warranty Statement Hewlett-Packard Limited Warranty Statement Specifications and Regulatory Information Models with 900 B after serial number Hardware SpecificationsModels with 13-inch display Models without 900 after serial numberRAM Security Features Environmental Limits Major ICs System Interrupts Software System ResourcesSystem Input/Output Addresses 100-3FF System MemoryDMA Channels Rated Voltage and Current Safety InformationPower Cords CountryErgonomics Battery SafetyLED Safety Connections to Peripheral Devices Regulatory InformationDeclaration of Conformity CanadaJapan Options SafetyInternational AddressPage APM IndexReference Guide Reference Guide Tattooing, 95 temperature limits Reference Guide