System Memory Map, Specifications B-7 | NEC Versa Series specification

Memory Map

The system supports system and video shadowing, both controlled through complementary metal oxide semiconductor (CMOS). The system supports BIOS as a cacheable area with write protection. The following table shows the system's memory map.

System Memory Map

Memory Space		Size	Function
FFFE 0000H-FFFF FFFFH		128K	Upper ROM, System and Video
			BIOS
FFFC 0000H-FFFD FFFFH		128K	Lower ROM, Power Management
			BIOS
FFFA 0000H-FFFB FFFFH		128K	New Extended Area
FFF8 0000H-FFF9 FFFFH		128K
FFF0 0000H-FFF7 FFFFH		512K	1MB Extended, BIOS 512KB
0A00	0000H-0BFF FFFFH	Up to 176MB	Extended Memory
000F 0000H-000F FFFFH		64K	System BIOS, 128K
000E	0000H-000E FFFFH	64K
000A	0000H-000B FFFFH	128K	Video Buffer Ram
000C 0000H-000D FFFFH		128K	Available for Applications
0000 0000H-0009 FFFFH		640K	System/Application Memory

Specifications B-7

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NEC Versa Series manual System Memory Map, Specifications B-7, Memory Space Size Function

Contents

Page Proprietary Notice and Liability Disclaimer Contents Iv Contents Using Peripheral Devices Solving System Problems Vi Contents Using This Guide Using This Guide Related Documents Text SetupViii Using This Guide Enter Introducing Your NEC Versa Before You Begin Introducing Your NEC Versa NEC Versa notebook computer About Your NEC Versa NotebookAround the Front of the System LCD panel and base unit LCD PanelBase Unit Operating Status LEDs Caps Lock Num Lock Operating status LEDsHard Disk Drive Function Keys Keyboard PanelKeyboard Numeric Keys Control Keys Windows keys Fn-Pause break Battery Charging LED Front FeaturesFeatures on the front of the system IR Port Around the Left Side of the System Left-side featuresAround the Back of the System Right-side features Around the Right Side of the System Power Button Bottom features Around the Bottom of the System Getting Started Getting Started NEC VersaGlide TouchpadVersaGlide Touchpad Right Button Left Primary Button AC Adapter Power Sources for Your NEC Versa NotebookMaking VersaGlide Adjustments VersaGlide Tips Connecting the AC Adapter AC adapter Connecting the AC adapter Powering On Your System Primary Battery PackSecondary Battery Pack Secondary Lithium-Ion battery Determining Battery Status Low Battery Status Battery Handling Returning the Battery to its Normal StateExtending Battery Life Replacing the Battery Locating the battery bay release latch Removing the battery Inserting the battery Charging the Battery Battery Precautions Optional Battery Precautions for Recharging the BatteryCmos Battery System Batteries Precautions for System Use System Care Routine Cleaning Storage Requirements Using the Bios Setup Utility Using the Bios Setup Utility Introducing Bios SetupEntering Bios Setup Main Setup Menu Bios Setup Main MenuHow to Use Setup Setup Key Functions Key Function Main Menu Items Menu Item Settings default is boldMain Menu Main Menu Items Internal HDD Submenu Items Advanced Menu PIO4/DMA2 Advanced Menu Security Menu Security Menu Items Exit Menu Items Boot Menu SettingsExit Menu Managing System Power Windows 2000 Power Options Properties Parameter Default Setting Alternate Settings Windows 2000 Power SchemesPower Schemes Alarms Windows 2000 AlarmsWindows 2000 Power Meter Advanced Windows 2000 AdvancedWindows 2000 Hibernate Windows 2000 Power Management Behavior Windows 2000 Power Management StatesRecognizing the Windows 2000 Power Management States Updating the Bios Obtaining the Bios Update Preparing the Bios Update Diskette Performing the Bios Update Memory module bay cover and screw Configuring the Switch SettingsAccessing the DIP Switch Identifying the Switch Settings Default switch settings Using the Bios Setup Utility Using the Operating System and Utilities Windows Using the Operating System and UtilitiesMicrosoft Windows Introduction Taskbar Icons LongRun utility status bar Setting LongRun PropertiesTransmeta LongRun Utility Current Speed Product Recovery CD Options Product Recovery CDGuidelines for Using the Product Recovery CD Full Disk Drive Restore Partition Only Restore Using the Operating System and Utilities Using the Operating System and Utilities Using the System Drives and Bays External Floppy Diskette Drive Using the System Drives and BaysEject Button USB Port Connector External floppy diskette drive and cable Connecting the external floppy diskette drive Connecting the External Floppy Diskette DriveDisconnecting the External Floppy Diskette Drive External Variable-Speed CD-ROM Drive External CD-ROM drive, left and front External CD-ROM drive, right and rear CD-ROM drive cable Using the CD-ROM Drive with your NEC Versa Notebook Connecting the CD-ROM drive Opening the CD-ROM drive cover Inserting a CD Disconnecting the CD-ROM Drive CD Care Hard Disk Drive Memory Modules Removing the screw and bay cover Installing a Memory ModuleLocating the memory module bay Memory Module Bay Cover Screw Connectors Memory module featuresInstalling a memory module Removing an installed memory module Communicating with Your NEC Versa Type II Extended Cards PC CardsType II Cards Communication Cards PC Card Slots Storage CardsOther Cards Inserting a PC Card Inserting a PC CardRemoving a PC Card Mini PCI LAN Connecting the Mini PCI LANConnecting the Mini PCI LAN Internal Modem Connecting the Internal ModemConnecting the RJ-11 telephone cable Internet Connections IR Port Using the IR Port Enabling/Disabling the IR Port in Windows Traveling Tips Traveling Tips Preparing for TravelPacking for Travel Using Power Connections Getting Through Customs Connecting Using a LAN Connecting to the InternetConnecting Using a Modem Traveling Tips Using Peripheral Devices External Monitor Connecting a monitorUsing External Devices External Audio Options Audio ports USB Devices Connecting USB devicesUSB Connector USB Port Using Multimedia Recording Using MultimediaAudio Playing Back MicrophoneMixing Video Using Animation Files Multimedia Applications Solving System Problems Solving System Problems Problem ChecklistTroubleshooting ProblemResolution Start-Up Problems Problem Resolution Message Resolution Post Error MessagesPost Error Messages Post Error Messages Beep Codes Number Beeps Error DescriptionBeep Codes If You Need Assistance Getting Service and Support Service Contact Information Service and Support Contact InformationGetting Service and Support Http//support.neccomp.com Web SiteFTP Site Tech-support@nec-computers.com Support ServicesEmail/Fax to Support Services Setting Up a Healthy Work Environment Setting Up a Healthy Work Environment Making Your Computer Work for You Setting Up a Healthy Work Environment A-3 Adjust Your ChairAdjust Your Input Devices Arrange Your Equipment Adjust Your Screen or Monitor Pre-Existing Conditions Psychosocial Factors Setting Up a Healthy Work Environment A-5Vary Your Workday Setting Up a Healthy Work Environment Specifications Specifications System Components Specifications B-3 Input/Output I/O Facilities Keyboard Specifications B-5 24X-Maximum/10x Minimum Variable Speed CD-ROM Drive Dimensions System Memory Map Specifications B-7Memory Map Memory Space Size Function Interrupt Controllers Priority Name Device Frequently Asked Questions Display Frequently Asked QuestionsExternal Mouse Frequently Asked Questions C-3 Diskette Drive What happens if I leave a diskette in my diskette drive? Frequently Asked Questions C-5 BootingPower Management How do I bring my system out of Standby mode? Frequently Asked Questions C-7 Miscellaneous How do I find help in a Windows application? Im having a problem using the IR port. What can I do? Frequently Asked Questions C-9 Glossary Glossary Board BootBits per second Bus Digital audio Cold bootCursor Digital sound Function key Extended RAMFM synthesis Hard disk Interrupt InfraredInterface Kilobyte Modem MicroprocessorMode Multimedia Parallel printer PasswordParallel interface Parameter Read ResetPrompt RS-232C Software Standby modeSerial printer System board Volatile memory Warm bootVersaGlide Warm swap Zoomed Video Index Index-1 Index-2 Index-3 USB Index-4 Canadian Department of Communications Compliance Statement Regulatory StatementsFCC Statement for United States Only Regulatory Statements European Community Directive Conformance Statement Battery ReplacementBattery and LCD Panel Disposal Mini-PCI FCC Registration Numbers Declaration of Conformity