DMA Channels | HP 900 specs

Specifications and Regulatory Information

Software System Resources

DMA Channels

0

1

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7

Sound Record* (unmarked models*) Free (“900 B” models)

Sound playback

Floppy drive

LPT1 (ECP parallel port)

Cascade

Free

Free

Free

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

Reference Guide 133

Image 133

HP 900 manual DMA Channels

Contents

HP OmniBook Reference Guide Reference Guide HP Software Product License Agreement Edition History Contents Expanding the OmniBook Managing Battery Power Troubleshooting Configuring the OmniBookSupport and Service Index Specifications and Regulatory Information 127 Introducing the OmniBook Source Getting More InformationDescription and Location 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 To set up the OmniBook and Windows Setting Up for the First TimeWarranty. Refer to the warranty statement for your product 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 Install touch pad support Disable the pointing stickTo activate full touch pad capabilities Enable the pointing stick To configure pointing devicesInstall pointing stick support To activate full pointing stick capabilities To disable the touch pad or pointing stick To adjust the display brightness Using the OmniBook DisplayTo extend the life of the display To suspend the OmniBook when closing the display To adjust the volume Adjusting the Audio SystemOn the Keyboard Windows To use the Fn hot keys Using the OmniBook KeyboardOmniBook Library These keys Do this To use the embedded keypad To use the Windows keys To use the ALT GR key Working in Comfort What is RSI?About Repetitive Strain Injury What can I do to avoid RSI? What causes RSI?What if I experience discomfort? Your Chair Preparing Your Work Environment Your Work Posture Your Work Surface Your HP Monitor Setting Up Your HP Computing Equipment Working in Comfort Document Holders Monitor Use SpecificationsYour HP Keyboard Mice and Other Input Devices Working in Comfort Headphones and Speakers Comfort and Safety ChecklistGeneral Overall Your HP OmniBook Computer Using Your Mobile ComputerPreparing Your Mobile Work Environment Working in Comfort Protect your OmniBook from damage Taking Care of Your OmniBookProtect your hard disk drive from damage Protect your work Managing Battery Power How Power is Managed To install APM for Windows NT Monitoring Battery Power On the Battery To check the battery statusFrom the Windows Taskbar From Windows Control Panel To recharge a battery To respond to a low-battery warning Charging time Battery lifeOptimum Charging 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 To install hot-swap support Using the External Module BayAction, you could lose data 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 change display settings in the Bios Setup utility To enable the built-in and external displaysTo connect an external monitor To use an external monitor To connect a printer To connect an external keyboard or PS/2 mouse To connect a serial mouse To connect a serial deviceTo connect USB devices For Windows 95, 98, or NT To connect audio devices Windows NT 4.0 does not support infrared communication To make an infrared connectionPrinting to an Infrared Printer 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 Default SettingMain Menu Description System Devices Menu Security Menu Power Menu Exit Menu Boot Menu To install TopTools Using TopToolsTo run TopTools To get more information about 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 Accessory Problems Solving ProblemsIf you can’t boot from a CD in a CD-ROM drive If a port on a dock isn’t working If a DVD drive locks up the computer in Windows If the OmniBook redocks after undocking If sound is not audible Audio ProblemsIf sound doesn’t record If the OmniBook is on, but the screen is blank Display ProblemsIf the screen is difficult to read If an external monitor doesn’t work If multiple display support doesn’t work in Windows Hard Disk Drive ProblemsIf a DVD image doesn’t appear on an external monitor If DVD images don’t play smoothly If the hard disk makes buzzing or whining noise If you have problems with infrared communicationsIf files are corrupted If the pointer is difficult to control Keyboard and Pointing Device ProblemsIf the touch pad or pointing stick doesn’t work If you can’t type the euro symbol If a special feature on the PS/2 mouse doesn’t workIf the embedded numeric keypad doesn’t work If an external mouse doesn’t work Special pointing stick features stop working after docking Memory ProblemsIf a message says you are out of memory If memory doesn’t increase after adding RAM PC Card Pcmcia ProblemsIf the OmniBook doesn’t recognize a PC Card If an I/O card stops communicating properly Performance ProblemsIf the OmniBook gets hot If the OmniBook pauses or runs sluggishly If the OmniBook shuts down slowly Power and Battery ProblemsIf the OmniBook turns off immediately after it turns on If the OmniBook keeps beeping If the OmniBook stops responding If the battery doesn’t chargeIf the OmniBook doesn’t suspend as expected If the OmniBook doesn’t automatically hibernate as expected Printing ProblemsIf a serial or parallel printer doesn’t print If an infrared printer doesn’t print If the left edge of printed output is missing Serial, Parallel, and USB ProblemsIf the serial mouse doesn’t work If the serial or parallel port is not working If the OmniBook doesn’t boot from battery power Startup ProblemsIf a serial modem doesn’t work properly If the USB port is not working 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 To replace a damaged Recovery CD To update the OmniBook BiosExcept for the PC Identification and Password Support and Service Getting HP OmniBook Assistance Electronic Support ServicesSupport Assistance Provider Type Type of Assistance Customer Support Centers Repair AssistanceHP will not be able to help with questions about Central/South America North AmericaEurope Africa/Middle East Hewlett-Packard Limited Warranty Statement Hewlett-Packard Limited Warranty Statement Specifications and Regulatory Information Models with 13-inch display Hardware SpecificationsModels without 900 after serial number Models with 900 B 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 Power Cords Safety InformationCountry Rated Voltage and Current Ergonomics Battery Safety LED Safety Connections to Peripheral Devices Regulatory Information Japan CanadaDeclaration of Conformity International SafetyAddress OptionsPage APM Index Reference Guide Reference Guide Tattooing, 95 temperature limits Reference Guide