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HP Book manual System Resources, System Interrupts, System Memory

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System Resources

Below are default values for system resources. To see other, non-default possibilities, use the System Configuration Utility, which lists port and audio device configurations in the Input/Output menu.

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

System Interrupts

0	System timer
1	Keyboard
2	Redirect IRQ 9
3	COM2 and COM4 (undocked) / Free (docked)
4	COM1 and COM3 (serial port)
5	Crystal sound
6	Floppy drive
7	LPT1 (parallel port)
8	Real-time clock
9	MIDI
10	PCI-type interrupt: CardBus, and SCSI (docked)
11	Free
12	Mouse
13	Coprocessor
14	Internal hard disk (primary IDE controller)
15	Internal CD-ROM (secondary IDE controller)

System Memory

C0000 - CAFFF CB000 - CBFFF CC000 - E7FFF E8000 - FFFFF

Chips & Technologies video BIOS Enhanced parallel port BIOS Free (see below)

Plug-and play, PCI, and system BIOS

Valid uses for memory addresses CC000-E7FFF:

∙Upper memory blocks (UMBs) in the range CC000-E7FFF.

∙PC card and ISA/PCI card memory windows in the range CC000-DFFFF.

∙ISA/PCI card boot ROM in the range CE000-DFFFF.

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HP Book manual System Resources, System Interrupts, System Memory

Contents

HP OmniBook 2000/5700 User’s Guide WindowsManaging Battery Power Changing the Configuration Finding More Information Using This Online ManualHP OmniBook 2000/5700 User’s Guide Page Getting Comfortable Identifying Parts of the OmniBookPage Hint Adjusting the DisplayTo adjust the display To use the pointing device Using the Pointing DeviceTo clean the pointing device Page To connect a microphone, speakers, or headphones Using SoundTo adjust the speaker volume To record and play sound Using the OmniBook Keyboard To use special features of the OmniBook keyboardTo tilt the keyboard Fn combination keysALT GR key Learning About Windows To learn about WindowsOperating the OmniBook Checking the Status of the OmniBookReminds you that the state To stop the OmniBook Starting and Stopping the OmniBookTo start the OmniBook Automatically turns off when you shut down Windows To reset and restart the OmniBook Hint Using Storage Devices To install the floppy driveTo remove the CD-ROM or floppy drive To install the CD-ROM drive To insert and eject a floppy diskTo insert and remove a CD To insert a PC cardAbout RAM Cards Start popupEnd popup To remove a PC card To get the battery status Managing Battery PowerMonitoring Battery Power To recharge the battery or run on ac power Recharging and Replacing BatteriesTo replace the battery To install a second battery Controlling Battery Power To respond to a low-battery warningTo save battery power To change how power is managedPage To attach a security cable Protecting Your OmniBookAttaching a Security Cable To record your name or other PC identification Setting Up Password ProtectionTo set up password security Hint To delete a password Type of Protection StepsTo delete a set of OmniBook files To repair and clean up a diskProtecting Your Data Using the Personal Information Applications To view your appointments Managing Your Time with Appointment BookTo start Appointment Book To add a new event To change to a different day, month, or yearTo add a new appointment To delete an appointment or event To run a program automaticallyTo add a person to the list Listing People in Phone BookTo start Phone Book Hints To search for a personTo perform a math function on one number Getting Answers from HP Financial CalculatorTo start HP Calculator To do simple arithmetic Page Changing the Configuration Other Using HP User Tools SetupTo run HP User Tools InformationAdvanced Using the System Configuration Utility To run the SCU during rebootTo run the SCU without rebooting System menuDisks menu Power menu Input/Output menuExit menu System Memory System ResourcesSystem Interrupts System Input/Output Addresses 100-3FF DMA ChannelsTroubleshooting Solving ProblemsPrinting Problems Hint If a serial printer doesn’t printMemory Problems Pointing Device and Mouse ProblemsFile, Drive, and PC Card Problems If the OmniBook doesn’t reboot successfully from drive aIf drive C has problems If a PC card doesn’t work properly in a card slotSerial and Infrared Communications Problems Sound ProblemsDisplay Problems Power ProblemsIf the OmniBook doesn’t turn on with a fresh battery If the OmniBook reboots every time you turn it onIf the battery pack doesn’t charge or stops charging If your OmniBook password doesn’t workLockup Problems If the OmniBook stops responding during startupIf an application stops responding If a screen saver causes lockupPage Page Page Page Volume