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NEC VERSA VX Service And Reference Manual
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NEC VERSA VX Service And Reference Manual

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NEC Versa Notebook Computer
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R E F E R E N C E M A N U A L

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Summary of Contents for NEC VERSA VX

  • Page 1 NEC Versa Notebook Computer N E C V ® E R S A S E R V I C E A N D R E F E R E N C E M A N U A L...
  • Page 2 The NEC CSD product(s) discussed in this document are warranted in accordance with the terms of the Warranty Statement accompanying each product. However, actual performance of each such product is dependent upon factors such as system configuration, customer data, and operator control.

  • Page 3: Table Of Contents

    Contents Preface ..............................vii Abbreviations............................ix 1 System Overview Getting to Know the NEC Versa......................1-2 Around the Front of the System ......................1-3 LCD Panel............................. 1-3 Control Panel..........................1-4 Status Icons ........................1-5 Keyboard Panel and Base Unit...................... 1-5 Around the Back of the System......................1-9 Around the Left Side of the System ....................
  • Page 4 Preparing the BIOS Update Diskette ................... 2-19 Performing the BIOS Update....................... 2-19 NEC Utilities ............................. 2-20 NEC Customize Utility........................ 2-20 Using the NEC Customize Utility ..................2-20 HDPREPEZ Utility........................2-21 Using the HDPREPEZ Utility..................2-21 Application and Driver CD ....................... 2-21 Launching the Application and Driver CD..................
  • Page 5 Quick Troubleshooting ........................7-2 Helpful Questions ..........................7-5 8 Getting Services and Support Services and Support Contact Information ..................8-2 NEC CSD Web Site ..........................8-2 NEC CSD FTP Site..........................8-3 Email/Fax to Support Services......................8-3 NEC CSD Bulletin Board ........................8-3 NEC CSD Support Services........................

  • Page 6: Preface

    Chapter 6, Preventive Maintenance, lists general notebook preventive maintenance procedures. Chapter 7, Troubleshooting, lists troubleshooting procedures as well as helpful servicing hints. Chapter 8, Getting Services and Support, provides information as to how to contact NEC CSD for service information, technical support, and product information.

  • Page 7: Abbreviations

    Abbreviations ampere error checking and correction alternating current enhanced capabilities port Advanced Graphics Port extended data output advanced technology Enhanced Graphics Adapter (IBM PC) enhanced parallel port Bulletin Board Service EPROM erasable and programmable binary-coded decimal BIOS Customized Utility EVGA Enhanced Video Graphics Array BIOS...
  • Page 8 pound slave light-emitting diode SCSI Small Computer System Interface liquid crystal display SDRAM synchronous dynamic least-significant bit random-access memory large-scale integration signal ground mega SIMM single inline memory module milliamps standard page mode maximum Sound Retrieval System megabyte SVGA Super Video Graphics Array Monochrome Display Adapter switch modified frequency modulation...

  • Page 9: System Overview

    System Overview Getting to Know the NEC Versa Around the Front of the System Around the Back of the System Around the Left Side of the System Around the Right Side of the System Around the Bottom of the System...
  • Page 10 Most models are equipped with a 24X CD-ROM drive, or a DVD-ROM drive. and a V.90-compliant 56 kilobits per second (Kbps) modem. As a multimedia system, your NEC Versa VX provides the tools needed to create and present impressive images using video clips and sound.

  • Page 11: Lcd Panel

    Around the Front of the System The NEC Versa is compact with features on every side. First, look at the front of the system. The following sections describe front features, beginning with the liquid crystal display (LCD) panel. LCD Panel The NEC Versa VX comes with a color LCD panel that you can adjust for a comfortable viewing position.

  • Page 12: Control Panel

    Control Panel The NEC Versa VX control panel provides the features shown in the following figure. The control panel features are described after the figure. Control panel A – CD Control Buttons or Password Buttons D – Internet Button B – Status LEDs E –...

  • Page 13: Status Icons

    Hard Drive Access — lights when the NEC Versa VX accesses the hard disk drive, CD-ROM drive or DVD-ROM drive. Diskette Drive Access — lights when the NEC Versa VX writes data to or retrieves data from the diskette drive.
  • Page 14 Function Keys — Twelve function keys, through , are available on the NEC Versa VX keyboard. These keys work together with the key to activate special functions. Eight keys (printed in blue) are preprogrammed with dual functions. 1-6 System Overview...
  • Page 15 Function keys are application-driven. See the specific application’s user guide for information about how each function key works within the application you are using. The following function key combinations are pre-programmed for the NEC Versa VX. Fn-Left Ctrl — Simulates pressing the right control key to support IBM 327X connections.
  • Page 16 Speakers — provides stereo sound for your multimedia presentations or listening pleasure. IR Port — allows you to transfer files between you NEC Versa and an IR-equipped desktop or notebook computer. Microphone — allows you to record monophonic sound directly into your notebook computer.

  • Page 17: Around The Back Of The System

    Y-adapter cable, you can connect up to two of these devices at the same time. AC Power Port — Lets you attach the NEC Versa VX to the AC power source using the AC adapter that comes with your system. Keep the system connected to AC power whenever possible to keep the battery pack and internal CMOS battery charged.

  • Page 18: Around The Left Side Of The System

    Hard Disk Drive — An internal hard disk drive comes installed in the NEC Versa. The disk drive is upgradeable. Around the Right Side of the System The right side of the NEC Versa VX offers the features shown in the following figure. The right side features are described after the figure. Right side features A –...

  • Page 19: Around The Bottom Of The System

    TV Out — Allows you to connect to a television. Around the Bottom of the System The bottom of the NEC Versa VX offers the following features. The features are described after the figure. Bottom features A –...

  • Page 20: Diskette Drive

    The NEC Versa VX ships with a 3.5-inch, 1.44 MB diskette drive. CD-ROM/DVD-ROM Drive A 24X CD-ROM drive or a DVD-ROM drive comes installed in the NEC Versa VX system. Hard Disk Drive A standard 2.5-inch, 9.5 mm hard disk drive ships with the system.

  • Page 21: System Configuration And Setup

    System Configuration and Setup Power Sources for Your NEC Versa BIOS Setup Updating the BIOS NEC Utilities Application and Driver CD...

  • Page 22: Using The Ac Adapter

    Read the following sections for specific information about using the NEC power sources. Using the AC Adapter Use the AC adapter and power cable that came with your NEC Versa to run your computer on alternating current (AC) power, or to recharge the battery pack. Use the AC adapter whenever a wall outlet is nearby.

  • Page 23: Powering The System On And Off

    Do not cover or place objects on the AC adapter. Keeping the adapter clear of objects lets the adapter cool properly during use. Only use the AC adapter that comes with your NEC Versa VX. Although other adapters look similar, using them can damage your system.

  • Page 24: Low Battery Power

    NEC Versa and fully recharge the battery (to 100%). Extending Battery Life The NEC Versa VX NiMH or Li-Ion battery life is effected by the following conditions: When it is new and fully charged. When no peripherals are connected to your NEC Versa VX.
  • Page 25 Replace the battery pack installed in your NEC Versa system as follows. Note Use the batteries in the NEC Versa computer for which they are designed. Installing another manufacturer’s battery, or using a combination of very old and new batteries can deteriorate battery and equipment performance.

  • Page 26: Charging The Battery

    Insert the new battery as follows: Locate the alignment groove on the edge of the battery. Locate the alignment groove inside the battery bay. Align the grooves on the battery with the grooves in the bay. Slide the battery into the bay until securely locked into place. Installing the battery Turn over the system.

  • Page 27: Battery Precautions

    Read the instructions that came with the battery charger before charging the battery. System Batteries The Nickel Metal-Hydride or Lithium-Ion battery is the main power source in your NEC Versa VX computer. Chapter 9 lists battery specifications. In addition to the main battery, the CMOS battery provides power to maintain system configuration settings.

  • Page 28: Cmos Battery

    BIOS Setup Your NEC Versa VX computer comes with a hardware program called BIOS Setup that allows you to view and set system parameters. BIOS Setup also allows you to set password features that protect your system from unauthorized use.

  • Page 29: Looking At Screens

    Use the up and down arrow keys (located on the lower right corner of the keyboard) to toggle through the BIOS Setup menu items. Looking at Screens BIOS setup screens have three areas as shown next. Advanced CMOS Setup Parameters — The left side of the screen. This area lists parameters and their current settings.

  • Page 30: Checking/Setting System Parameters

    Boot Sector Virus Disabled Enabled Protection Date — Sets your NEC Versa’s calendar month, day and year. The calendar clock is year 2000-compliant. These settings remain in memory even after you turn off system power. To set the date use the or arrow keys to move from field to field.

  • Page 31: Advanced Cmos Setup

    Time — Sets the time, enter the current hour, minute, and second in hr:/min:/sec, 24- hour format. To set the time use the or arrow keys to move from field to field. Use the PgUp PgDn key to change the numbers within each field. Diskette Drive —...

  • Page 32: System Security Setup

    Internal HDD Password — Enables or disables the HDD password. Password Protection Your NEC Versa supports a password for system security on several levels. Your system is not protected until you set a user password. Keep in mind that you must set the supervisor password before the BIOS Setup utility allows you to set a user password.

  • Page 33: Hard Disk Drive Passwords

    Hard disk drive (HDD) password protection restricts access to the drive, if the drive is removed from your NEC Versa and installed in another system. You are not required to enter your hard disk drive passwords while the drive remains in your current system.

  • Page 34: Moving The Hard Disk Drive

    Moving the Hard Disk Drive When a password protected HDD is moved from its original system and installed in another system, error messages appear indicating that the drive is locked. Next, the Security Setup screen appears requiring the user to enter the master password to unlock the drive. Highlight the HDD password line and enter the master password, when prompted.
  • Page 35 Power Management Using AC Power — Specifies whether to enable power management features when AC power is in use. When AC power is connected to your NEC Versa system, power management is usually disabled. If you enable this parameter, the system automatically activates the power management profile you set, even when AC power is used.

  • Page 36: Boot Device Setup

    Quick Boot — Specifies whether or not the system performs all tests during system boot. Silent Boot — Specifies whether or not to display the NEC logo during the system boot. Boot Display Device — Specifies the display device(s) for system boot messages.

  • Page 37: Peripheral Setup

    Once refreshed, your battery is conditioned to recharge to its full capacity. To recharge the battery, connect your NEC Versa to AC power. This process may take up to four hours to complete. Auto Configuration with Defaults — Loads default settings.

  • Page 38: Updating The Bios

    Perform the BIOS Update Obtaining the BIOS Update If you are informed that the default BIOS needs an update contact the NEC CSD Support Services at (800) 632-4525, Fax (801) 981-3133, or access the web site, www.nec-computers.com to obtain a copy of the BIOS update.

  • Page 39: Preparing The Bios Update Diskette

    The NEC BIOS Update Utility should not be used to modify the BIOS in a Versa system which is docked. If your Versa is docked, please exit the BIOS Update Utility, power down, and undock your Versa before running the utility.

  • Page 40: Nec Utilities

    NEC Utilities NEC CSD provides several programs and routines designed to make your NEC Versa run more efficiently. The NEC utilities include: NEC Customize utility HDPREPEZ utility NEC Customize Utility In Windows 98 systems, Windows 95 systems, and Windows NT systems, the NEC Customize utility gives you the option to install or launch: NEC custom wallpaper (Windows 95, only)—...

  • Page 41: Hdprepez Utility

    NEC Info Center. Launching the Application and Driver CD Follow these procedures to launch the Application and Driver CD using NEC Customize. Windows 98 and Windows 95 Environments Insert the Application and Driver CD into the CD-ROM drive.

  • Page 42: Installing The Software

    Selection Tabs — Located just below the title bar, each tab represents a software category. The selection tabs include applications, drivers, utilities, Internet browsers, and the NEC Online Documentation. Description — Located in the bottom portion of the dialog box, the text describes the selected or highlighted software category or application, driver, etc.

  • Page 43: Disassembly And Reassembly

    Disassembly and Reassembly Required Tools and Equipment Disassembly Reassembly...

  • Page 44: Battery

    Required Tools and Equipment All NEC Versa VX corrective maintenance procedures can be performed using the following tools: Tweezers Small flat-head screwdriver Small Phillips screwdrivers (# 1 and # 0) needle-nose pliers CPU insertion/extraction tool 3/16-inch nut driver Right-angled dentist style probe.

  • Page 45: Memory Module And Switch Settings

    Remove the battery as follows: Locate the battery release latch. Slide the battery release latch towards the back of the system and hold firmly. Continue to hold the battery release latch as you slide the battery out of the system. Removing the battery A –...

  • Page 46: Switch Settings

    Switch 1, Password override — The default setting is “OFF.” If you forget your password and cannot access the data on your NEC Versa, change the setting to “ON” and your current password is erased. Switch 2 — Keyboard select; Default is “ON” for U.S. 85 key keyboard.

  • Page 47: Hard Disk Drive

    Hard Disk Drive To remove the hard disk drive, follow these steps. Locate the drive access panel on the left side of the system. Open the panel using the notch. Opening the panel A – Drive Access Panel B – Notch Remove the screw that secures the hard disk in the system.

  • Page 48: Led/Button Assembly

    Slide the hard disk drive out of the system. Removing the disk drive LED/Button Assembly Follow these steps to remove the LED/Button assembly. Open the LCD panel. Locate the LCD hinge covers. Locate and remove the screw caps and screws on the hinge covers.

  • Page 49: Lcd Panel

    Slide each hinge cover toward the outside edge of the system and remove. Removing the hinge covers A – Hinge Cover Slide the LED/button assembly slightly to the right and lift away from the system. Removing the LED/button assembly A – LED/Button Assembly LCD Panel Use the following steps to remove the LCD panel.
  • Page 50 Locate and remove the two bottom screws securing the LCD panel to the system. Removing the screws A – Screws Turn the system over and open the LCD panel. Locate and remove the left and right hinge screws. Removing the hinge screws A –...

  • Page 51: Keyboard And Heat Plate

    Locate and remove the two screws securing the LCD panel connector to the main board. Removing the LCD panel screws A – Screws Pull the LCD panel up and away from the system. Keyboard and Heat Plate Follow these steps to remove the keyboard and heat plate. Remove the LCD panel from the system.

  • Page 52: Top Cover

    Lay the keyboard key side down over the back of the system. Locate and completely loosen the four screws securing the heat plate to the system. Do not attempt to remove the screws. Loosening the heat plate screws A – Screws B –...
  • Page 53 Remove the ten screws on the bottom that secure the top cover to the system. Removing the bottom screws A – Screw Turn the system over. Locate and remove the one screw inside the hard disk drive bay that secures the top cover. Removing the drive bay screw A –...
  • Page 54 Locate and remove the one screw on the top that secures the top cover. Removing the top screw A – Screw Locate and remove the screw securing the LED board. Remove the board from the system. Removing the LED board A –...

  • Page 55: Versaglide

    Locate and remove the screw securing the CD control board (if installed). Remove the board from the system. Removing the CD control board A – Screw B – CD Control Board Partially lift the top cover. Disconnect the VersaGlide cable from connector P8 on the I/O board.

  • Page 56: Cd-Rom Drive

    Turn the top cover over and locate the three screws securing the VersaGlide. Remove the screws. Removing the VersaGlide screws A – VersaGlide B – Screws Slide the VersaGlide assembly away from the top cover tabs and remove the VersaGlide from the top cover.

  • Page 57: Audio Board

    Audio Board Follow these steps to remove the audio board. Remove the LCD panel, keyboard, heat plate, and top cover from the system. Carefully disconnect the audio board from connector P7 on the main board by lifting the audio board. Disconnecting the audio board A –...

  • Page 58: Dc/Dc Board

    DC/DC Board Use the following steps to remove the DC/DC board. Remove the LCD panel, keyboard, heat plate, and top cover from the system. Carefully disconnect and remove the DC/DC board from connectors P9 and P10 on the main board by lifting the DC/DC board. Disconnecting the DC/DC board A –...

  • Page 59: I/O Board

    I/O Board Follow these steps to remove the I/O board. Remove the LCD panel, keyboard, heat plate, top cover, and audio board from the system. Disconnect the diskette drive cable from connector P6 on the I/O board. Disconnect the CMOS battery from connector P1 of the I/O board. Carefully disconnect and remove the I/O board from connector P12 on the main board by lifting the I/O board.

  • Page 60: Cmos Battery

    CMOS Battery Follow these steps to remove the CMOS battery. Remove the LCD panel, keyboard, heat plate, top cover, audio board, and I/O board from the system. Remove the CMOS battery from the front of the base assembly. It is secured with two-sided tape.

  • Page 61: Diskette Drive

    Diskette Drive Use the following steps to remove the diskette drive. Remove the LCD panel, keyboard, heat plate, top cover, audio board, and I/O board from the system. Locate and remove the two screws securing the diskette drive to the base assembly. Removing the diskette drive screws A –...

  • Page 62: Speakers

    Speakers Follow these steps to remove the speakers. Remove the LCD panel, keyboard, heat plate, top cover, audio board, and I/O board from the system. Slide the speaker up and out of the front of the base assembly. There are two speakers. Removing the speaker A –...

  • Page 63: Main Board

    Main Board Follow these steps to remove the main board. Remove the LCD panel, keyboard, heat plate, top cover, audio board, I/O board, diskette drive, and Kensington lock latch from the system. Locate and remove the four screws that secure the main board to the base assembly. Use the needle-nose pliers to remove the three hex screws.
  • Page 64 Locate the CPU. Locate and remove two of the CPU standoffs. Removing the CPU standoffs A – Standoffs Locate pin 1 on the CPU (identified by the white triangle on the board). Align and place the actuation block of the insertion/extraction tool over pin 1 and the pin diagonally opposite pin 1.

  • Page 65: Pentium Iii Removal

    Place the push rod into the hole closest to pin 1 of the CPU. To release the CPU, push the rod toward pin 1 until you feel the mechanism unlock. Releasing the CPU Lift the actuation block and the CPU out the system. Only touch the CPU on the sides.

  • Page 66: Pc Card Assembly

    Only touch the CPU on the sides. Do not touch the top of the die. PC Card Assembly Follow these steps to remove the PC card assembly. Remove the LCD panel, keyboard, heat plate, top cover, audio board, I/O board, diskette drive, Kensington lock latch, and main board from the system.

  • Page 67: System Board Layout

    System Board Layout Audio Board DC/DC Board I/O Board Main Board...
  • Page 68 This following figures show the system boards and connector locations. Audio Board A – Connector P5 DC/DC Board A – Connector P1 B – Connector P2 4-2 System Board Layout...

  • Page 69: I/O Board

    I/O Board A – Connector P5 D – Connector P2 B – Connector P3 (back side) E – Connector P1 C – Connector P6 F – Connector P8 Main Board A – Connector P17 F – Connector P5 B – Connector P15 G –...

  • Page 70: Illustrated Parts Breakdown

    Illustrated Parts Breakdown Illustrated Parts Breakdown Parts List...
  • Page 71 Illustrated Parts Breakdown 5-2 Illustrated Parts Breakdown...

  • Page 72: Parts List

    Parts List The following table contains a listing of the field-replaceable parts and corresponding part numbers. Field-Replaceable Parts List Item Description Part Number LCD Base Sub Assembly 12.1-inch/13.3-inch 136-245542-001A 14.1-inch 136-245544-001A Keyboard 808-897373-101A Hinge Cover (Right) 136-648954-001A Top Cover Sub Assembly 136-245662-001A VersaGlide Sub Assembly 136-275691-010A...
  • Page 73 Field-Replaceable Parts List Item Description Part Number IR Lens 136-648951-001A Diskette Drive Bracket Assembly 136-245557-A Diskette Drive Interface Cable 808-130515-401A Hard Disk Drive Frame Assembly 136-245568-001A Hard Disk Drive Connector 808-130515-511A Hard Disk Drive Plate Assembly 136-245569-001A CD-ROM Drive Bracket 136-649155-A 400-MHz Celeron 802-143383-505A...

  • Page 74: Preventive Maintenance

    Preventive Maintenance Cleaning the Notebook Exterior Cleaning the Notebook Interior Protecting the Disk Drive Handling the Battery Pack Maintaining the LCD Quality...
  • Page 75 Preventive maintenance is limited to cleaning the plastic case, the keyboard, the display screen, and the diskette drive heads, as required. Note Remove the battery and disconnect the AC adapter before performing any maintenance. Voltage is present inside the system unit and LCD even after the system is turned off.
  • Page 76 Use hard disk maintenance program like DEFRAG under DOS, or acquire Norton Utilities SPEEDISK programs. These programs reorganize your hard disk by eliminating fragmentation and improve the hard disk access time. Handling the Battery Pack The battery pack furnished with the computer requires reasonable care and handling to ensure efficient operation and maximum life.

  • Page 77: Troubleshooting

    Troubleshooting Quick Troubleshooting Helpful Questions...
  • Page 78 Quick Troubleshooting This section summarizes problems that may develop during system operation and lists suggested corrective actions. Quick Troubleshooting Problem or Symptoms Corrective Actions No power Check that the AC adapter is plugged into the power port of the notebook. Also, check that the AC adapter is plugged into a properly grounded AC power outlet.
  • Page 79 Quick Troubleshooting Problem or Symptoms Corrective Actions Diskette drive does not work Check if the diskette drive option is not installed in BIOS Setup. Check if the diskette drive cable is connected properly. Check that the diskette is not faulty. Replace the diskette drive.
  • Page 80 Quick Troubleshooting Problem or Symptoms Corrective Actions Serial device does not work Check if the serial port is set to “Auto” in BIOS Setup. Check if the serial device is connected properly. Check if the mouse driver is installed properly. Replace the serial device.
  • Page 81 Helpful Questions Here are some helpful questions to ask when troubleshooting the notebook: Is there any external power source connected to the computer? Is the battery fully charged? Is the computer turned on and the Power LED activated? Is the LCD display switched to the external monitor? Are all cables and devices connected properly and securely? Are all needed device drivers installed properly? Is the Suspend Mode activated? Press any key or press the Power/Sleep button to...

  • Page 82: Getting Services And Support

    Getting Services and Support Services and Support Contact Information NEC CSD Web Site NEC CSD FTP Site Email/Fax to Support Services NEC CSD Bulletin Board NEC CSD Support Services NEC CSD Customer Assistance Center...
  • Page 83 NEC CSD Web Site If you have a modem or a network board, you can access the NEC CSD web site. You can do this through a commercial online service or through your Internet account. The NEC CSD web site contains general information about NEC CSD and its products, an online store, press releases, reviews, and service and support information.
  • Page 84 You will receive a response to your questions within one business day. NEC CSD Bulletin Board If you have access to a modem, you can use the NEC CSD Bulletin Board System (BBS) to get the latest information on hardware and software. The BBS allows you to download files (video drivers, printer drivers, BIOS updates, etc.) to a diskette for system enhancements and upgrades.
  • Page 85 Services is for U.S. and Canadian customers only; international customers should contact the local NEC office or dealer for the support and service available in your country.) Direct assistance is available 24 hours a day, 7 days a week. Call the NEC CSD Support Services, toll free, at 1-800-632-4525 (U.S.
  • Page 86 Please have available your system’s name, model number, serial number, and as much information as possible about your system’s problem before calling. For outside the U.S. or Canada, please contact your local NEC office or dealer for the support and service available in your country.

  • Page 87: Specifications

    Specifications System Components Connector Locations Memory Map Interrupt Controllers...
  • Page 88 System Components The following system component specifications are standard except where noted. System Processor Depending on the model: Intel Celeron 400 MHz, 433 MHz, or 466 MHz Intel Pentium II 366 MHz Intel Pentium III 450 MHz or 500 MHz Random Access Memory (RAM) Standard Main Memory —...
  • Page 89 Main Battery Types:  Nickel-Metal-Hydride, (NiMH), eight cell – Output Voltage – 9.6v – Capacity – 3,800 mAh  Lithium-Ion (Li-Ion), eight cell – Output Voltage – 14.4v – Capacity – 3,600 mAh Recharging Time  Nickel-Metal-Hydride, (NiMH): Approximately 3 hours when system is not in use; approximately 3 hours when system is in use.
  • Page 90 Diskette Drive Standard 1.44 MB Size — 3.5 inch Capacity — 1.44 MB (formatted), 2 MB (unformatted) Hard Disk Drives Internal, 2.5 inch, IDE Capacity (depending on the model) 6.0-GB, 12-GB, or larger hard disk drive CD-ROM Drive Thin-type CD-ROM Pack Access Time —...
  • Page 91 Wake-on-LAN support Auto-sensing Low power features AC Adapter Input Voltage  100 to 240 volts (V) AC, 50 watt (max.) Output Voltage  19 volts DC, 2.6A Dimensions System Width — 12 in. (307 mm) Depth — 9.9 in. (252 mm) Height —...
  • Page 92 Connector Locations The following table shows the system’s connector locations. Connector Locations Connector Location Audio Board Audio Board I/O Board I/O Board I/O Board I/O Board Main Board Main Board Main Board Main Board Main Board Main Board 9-6 Specifications...
  • Page 93 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 00000000h-0009FFFFh...
  • Page 94 Interrupt Controllers The following table shows default interrupt level assignments 0 through 15. Interrupts IRQ# Device IRQ00 Internal Timer IRQ01 Keyboard IRQ02 Cascade IRQ03 IRQ04 Serial Port IRQ05 CardBus/Mini-PCI/Sound/Video* IRQ06 Diskette Drive IRQ07 Parallel Port IRQ08 Real-time Clock IRQ09 IRQ10 Video IRQ11 Available...

  • Page 95: Glossary

    Software designed to perform specific functions, like solving business or mathematical problems. AC Adapter A device that connects an NEC Versa portable computer and an AC wall outlet to provide AC power for running the system or recharging the battery. base RAM Area of system memory between 0 and 640 kilobytes available to the user for operating system and application programs.
  • Page 96 Electronic timer used to synchronize computer operations. CMOS Complementary Metal Oxide Semiconductor. A chip that contains nonvolatile memory in the NEC Versa. CMOS is backed up by an internal lithium battery that preserves clock/calendar data and system configuration parameters stored in CMOS. cold boot Process of starting up the computer by turning on the power.
  • Page 97 (KB) 1024 bytes. Local Area Network. Liquid Crystal Display. An LCD consists of a thin sandwich of two glass plates with sealed edges, containing nematic liquid-crystal material that forms the screen image. The NEC Versa displays are LCD type. load To copy a program into the computer's memory from a storage device.
  • Page 98 Usually contained on a single chip that includes an arithmetic logic unit, control logic, and control-memory unit. mode A method of operation; for example, the NEC Versa operates in either normal or power- saving modes. modem MOdulator-DEModulator. A device that links computers over a telephone line.
  • Page 99 parameter A characteristic of a device or system. password A string of characters that the user must enter before the system allows access or system privileges. PCMCIA A credit card sized peripheral interface standard for portable devices. Types of PCMCIA cards currently offered by major vendors include fax/modems, LAN, storage cards, and wireless communications devices.
  • Page 100 The main printed circuit board inside the system unit into which other boards and major chip components, such as the system microprocessor, are connected. Thin Film Transistor. A type of NEC Versa LCD color screen that supports 256 colors and provides exceptional screen display.
  • Page 101 warm boot Process of resetting the computer without turning off the power through keyboard input (pressing Ctrl, Alt, and Del keys simultaneously) or the reset button. The system returns to an initial or arbitrarily selected condition. write To record or store information to a storage device. Glossary 7...
  • Page 102 Index Establishing passwords, 2-12 AC adapter specifications, 9-5 Function key combinations, 1-7 using, 2-2 Function Keys, 1-6 Application and Driver CD installing, 2-22 Handling battery pack, 6-3 launching, 2-21 Hard disk using, 2-21 removing, 3-5 Hard disk drive, 1-12 Backup system disk, 6-2 moving, 2-14 Battery specifications, 9-4...
  • Page 103 2-15 NEC customize utility switch settings, 3-3 using, 2-20 Switch settings, 3-4 NEC utilities, 2-20 System NEC Versa disassembly sequence, 3-2 date, 2-10 Numeric keys, 1-8 switch, 2-15 System dimensions, 9-5 System Processor, 9-2 Operating environment, 9-5 System RAM, 9-2...
  • Page 104 This product is in conformity with the protection requirements of EC Council Directive 89/336/EEC on the approximation of laws of the Member States relating to electro-magnetic compatibility. This product satisfied the Class B limits of EN 55022. NEC Computer Systems Division 6000 Florin-Perkins Road Sacramento, CA 95828-1037...
  • Page 105 A lithium battery in some computers maintains system configuration information. In the event that the battery fails to maintain system configuration information, NEC CSD recommends that you replace the battery. For battery replacement information, call your NEC CSD dealer or the NEC CSD Customer Assistance Center.
  • Page 106 819-200610-000 NEC Computer Systems Division 6000 Florin-Perkins Road 11/99 Sacramento, CA 95828-1037 www.nec-computers.com...

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