Software System Resources, System Interrupts | HP 900 instruction

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

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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 Power Support and Service Configuring the OmniBookTroubleshooting Index Specifications and Regulatory Information 127 Introducing the OmniBook Description and Location Getting More InformationSource Included in the OmniBook box Taking Inventory To buy OmniBook accessories OmniBook-Front View OmniBook Features OmniBook-Side View OmniBook-External Module Bay OmniBook-Back View Warranty. 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 OmniBook Hint To reset the OmniBook Checking the Status of the OmniBook To check power status and drive activity To check the keyboard status Using the OmniBook Pointing Devices Windows To use the built-in pointing devices To 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 support To 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 Keyboard These keys Do this Using the OmniBook KeyboardTo use the Fn hot keys OmniBook Library To use the embedded keypad To use the Windows keys To 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 Environment Your Work Posture Your Work Surface Your HP Monitor Setting Up Your HP Computing Equipment Working 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 damage Managing Battery Power How Power is Managed To install APM for Windows NT Monitoring Battery Power From Windows Control Panel To check the battery statusOn the Battery From the Windows Taskbar To recharge a battery To respond to a low-battery warning Optimum Charging Battery lifeCharging time Adapter To replace the battery Safety on To save battery power Conserving Battery Power Windows 95, 98, or NT To set power time-outs To 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 module Installing To connect the floppy disk drive to the parallel port To identify connectors for external devices Connecting External Devices To 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 mouse For Windows 95, 98, or NT To connect a serial deviceTo connect a serial mouse To connect USB devices To 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 Cards Using PC Cards To install a docking tray Using Docking Products To dock the OmniBook To undock the OmniBook To replace the hard disk drive Installing a Hard Disk Drive To replace the hard disk drive holder Installing a RAM Expansion Module Steps Forward onto the front of the case To remove a RAM expansion module Page Configuring the OmniBook To run the Bios Setup utility Using Bios Setup Description SettingDefault Main Menu System Devices Menu Security Menu Power Menu Exit Menu Boot Menu To get more information about TopTools Using TopToolsTo install TopTools To run TopTools To set or change an OmniBook password Configuring Security Options To install the VirusScan utility To delete an OmniBook password To set PC identification To attach a security cable Disk drive To enable hard disk drive lock Troubleshooting If a port on a dock isn’t working Solving ProblemsAccessory Problems If you can’t boot from a CD in a CD-ROM drive If a DVD drive locks up the computer in Windows If the OmniBook redocks after undocking If 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 read If 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 monitor If 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 work If 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 hot If the OmniBook keeps beeping Power and Battery ProblemsIf the OmniBook shuts down slowly If the OmniBook turns off immediately after it turns on If 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 print If 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 work If the USB port is not working Startup ProblemsIf the OmniBook doesn’t boot from battery power If a serial modem doesn’t work properly If the OmniBook doesn’t boot from the floppy disk drive To run the diagnostic test Testing the Operation Space To create a diagnostic floppy disk Recovering 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 Assistance HP will not be able to help with questions about Repair AssistanceCustomer Support Centers Africa/Middle East North AmericaCentral/South America Europe Hewlett-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 number RAM Security Features Environmental Limits Major ICs System Interrupts Software System Resources System Input/Output Addresses 100-3FF System Memory DMA Channels Rated Voltage and Current Safety InformationPower Cords Country Ergonomics Battery Safety LED Safety Connections to Peripheral Devices Regulatory Information Declaration of Conformity CanadaJapan Options SafetyInternational AddressPage APM Index Reference Guide Reference Guide Tattooing, 95 temperature limits Reference Guide