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NEC Versa LXi Series Service And Reference Manual

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NEC Versa
LXi Series Notebook Computers
V
L X
E R S A
I
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

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  Summary of Contents for NEC Versa LXi Series

  • Page 1 ® NEC Versa LXi Series Notebook Computers 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: Preface

    LXi notebook computer. The manual also provides hardware and interface information for users who need an overview of the system design. The manual is written for NEC-trained customer engineers, system analysts, service centre personnel, and dealers. The manual is organized as follows: Chapter 1, “System Overview,”...
  • Page 3: 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 EVGA Enhanced Video Graphics BIOS Customized Utility Array BIOS...
  • Page 4 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 5: 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 Base Unit ..........................1-3 Operating Status LEDs ......................1-4 Power Button ........................1-4 Keyboard ..........................1-5 Front Features ..........................1-7 Around the Back of the System ......................1-8 Around the Left Side of the System ....................1-9...
  • Page 6 Advanced CMOS Setup ......................2-14 System Security Setup......................2-15 Establishing System Passwords ....................2-15 Hard Disk Drive Passwords ....................2-16 Establishing Hard Disk Drive Passwords ..............2-16 Changing Hard Disk Drive Passwords ................. 2-16 Using Hard Disk Drive Password Protection ..............2-17 Moving the Hard Disk Drive..................
  • Page 7 4 System Board Layout LED Status Board ..........................4-2 Audio Board ..........................4-2 Connector Board..........................4-2 Main Board............................4-2 5 Preventive Maintenance Cleaning the Notebook Exterior .....................6-2 Cleaning the Notebook Interior ......................6-2 Protecting the Disk Drive .......................6-2 Handling the Battery Pack......................6-3 Maintaining the LCD Quality ......................6-3 6 Troubleshooting Quick Troubleshooting ........................6-2 Helpful Questions ..........................6-4...
  • Page 8: System Overview

    System Overview Getting to Know the NEC Versa LXi 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 9: Getting To Know The Nec Versa

    LAN, or combination internal mini-PCI LAN/modem. As a multimedia system, your NEC Versa also provides the tools needed to create and present impressive images using video clips and sound.
  • Page 10: Around The Front Of The System

    Around the Front of the System The NEC Versa is compact with features on every side. First, look at the front of the NEC Versa. The following sections describe front features, beginning with the liquid crystal display (LCD) panel. LCD Panel Your NEC Versa LXi comes with a 1024x768, 64K colour LCD panel that you can adjust for a comfortable viewing position.
  • Page 11: Operating Status Leds

    G – Power Button D – Scroll Lock IDE/VBIII devices — lights when the NEC Versa writes data to or retrieves data from the internal hard disk drive, a SuperDisk drive in the file bay, or a device in the VersaBay III.
  • Page 12: Power Button

    (powers off the system). Only use this option if you cannot power off your system using Start, Shutdown. Keyboard The NEC Versa keyboard offers the following features, which are described after the figure. Keyboard A – Function Keys D – Windows Keys B –...
  • Page 13 The following function key combinations are pre-programmed for the NEC Versa LXi computer. Fn-F3 — Toggles between four video modes; LCD, CRT, both (LCD and CRT) or TV out. — Sets standby power management mode on, in Windows 95. Fn-F4 ...
  • Page 14: Front Features

    B – Power Status LED D – LCD Lid Latch NEC VersaBay III™ — A 24X CD-ROM drive, a SuperDisk drive, or a 6X DVD-ROM drive comes installed in the NEC VersaBay III on the front of your system. The VersaBay III lets you add options, including an optional second Li-Ion battery, or an additional hard disk drive.
  • Page 15: Around The Back Of The System

    NEC Versa Dock is specially designed to allow for proper system cooling. AC Power Port — Use the power jack to attach the NEC Versa to a DC power source, such as the AC adapter or the optional DC auto adapter.
  • Page 16: Around The Left Side Of The System

    Around the Left Side of the System The left side of your NEC Versa offers the following features, which are described after the figure. Left side features A – TV Out (S-video) E – LAN Port (optional) B – TV Out (RCA) F –...
  • Page 17: Around The Right Side Of The System

    Plugging in an external microphone disables the built-in microphone. IR Port — Use this infrared (IR) port to transfer files between your NEC Versa and an IR-equipped desktop or notebook computer or to print to an IR-capable printer.
  • Page 18: Around The Bottom Of The System

    Around the Bottom of the System The bottom of the NEC Versa offers the following features, which are described after the figure. Bottom features A – Height Adjustment Feet E – NEC VersaBay III B – Memory Module Bay F – NEC VersaBay III Release Latch C –...
  • Page 19: Internal Components

    The NEC Versa LXi ships with a 3.5-inch, 1.44 MB diskette drive or the SuperDisk drive installed in the file bay. VersaBay III A 24X CD-ROM drive or a DVD-ROM drive comes installed in the NEC VersaBay III on the front of the system. CPU Board The CPU board is a rectangular-shaped board located above the main board.
  • Page 20: Chipset

    ChipSet The following table provides information on the system chipset. System Chipset Chip Manufacturer Description Intel Pentium III 450-MHz, 500-MHz; Intel 450 or 500 MHz CPU with AGP Mobil Triton II and 82371MB PIIX4M Intel System Controller PC97338VJG National Semiconductor Super I/O Savage/MX Video...
  • Page 21: System Configuration And Setup

    System Configuration and Setup Power Sources for Your NEC Versa LXi BIOS Setup Updating the BIOS...
  • Page 22: Power Sources For Your Nec Versa

    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

    “Shut Down” is selected from the Start menu. That is, you do not need to press the Power button to switch off the computer. Using the Battery The NEC Versa comes with a rechargeable Lithium-Ion (Li-Ion) battery pack that’s easy to install and remove. To prevent accidental battery ignition or explosion, adhere to the following: n Keep the battery away from extreme heat.
  • Page 24: Determining Battery Status

    Determining Battery Status Your NEC Versa system provides tools to help you keep track of the main (and an optional) battery's power level. If your system is configured (default setting) to display the power icon on the taskbar in the Windows 98 and Windows 95 environments, an electrical plug appears when the system is connected to an AC power source.
  • Page 25: Battery Gauge Leds

    Power off the system, remove the battery pack and replace it with a fully charged battery. Leave the battery pack in the system and connect your NEC Versa to the AC adapter and a wall outlet. If you connect the system to AC power and keep the system within standard operating temperatures, the battery recharges in approximately 2–3 hours...
  • Page 26: Replacing The Battery

    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 27 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. Inserting the battery Turn over the system.
  • Page 28: Battery Precautions

    Read the instructions that came with the battery charger before charging the battery. System Batteries Your NEC Versa is equipped with a main, Lithium-Ion battery and two backup batteries that help to prevent data loss. In addition, your system provides the option to install a second Lithium-Ion battery in the VersaBay III, extending battery life when away from an AC power source.
  • Page 29: Main Battery

    The CMOS battery charges when your NEC Versa is connected to AC power. The CMOS battery may discharge completely if the NEC Versa notebook remains unused for an extended period of time.
  • Page 30: Bios Setup Main Menu

    If the system detects an error during POST, it prompts you with a double beep and a message: “Press <F1> to resume.” If you press , the system enters BIOS Setup automatically. If you want to fix the error, carefully read the error message that appears above the prompt (taking notes if you want), and press .
  • Page 31: Using Keys

    Parameters — The left side of the screen. This area lists parameters and their current settings. Available Options and Help — The right side of the screen. This area lists alternate settings and Help text for each parameter. Key Legend — The bottom right corner of the screen. These lines display the keys that move the cursor and select parameters.
  • Page 32: Resetting System Parameters

    SuperDisk, Not installed These setup items are only visible when system is docked 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.
  • Page 33: Advanced Cmos Setup

    Docking Station Drives — Enables or disables the drives installed in a docking station. (These options are only available when the NEC Versa is docked.) Advanced CMOS Setup Use the Advanced CMOS Setup to set the following functions.
  • Page 34: System Security Setup

    System Security Setup Use the System Security Setup to establish system passwords. System Security Setup Parameter Default Setting Alternate Setting(s) Security Mode Password Assign Supervisor Press Enter Password Assign User Password Press Enter Boot Password Required Resume Password Required Assign HDD Password Press Enter Internal HDD password Disabled...
  • Page 35: Hard Disk Drive Passwords

    Control Panel, Power Management Properties, Advanced. Hard Disk Drive Passwords Your NEC Versa allows you to establish password protection for the internal hard disk drive and for an optional hard disk drive installed in the NEC VersaBay III. 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.
  • Page 36: Using Hard Disk Drive Password Protection

    Using Hard Disk Drive Password Protection To facilitate the transfer of one or more HDDs between system, establish a single master password (and document the password in a secure place). Establish different user passwords to limit access to specific systems. 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.
  • Page 37 Power Management Under AC — 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 38 Custom Timeout Options Option Definition CPU Speed Control Sets CPU performance at one of four levels. Hard Disk Timeout Sets the time delay before your hard disk powers down. Video Timeout Sets the time delay before your video powers off. Peripheral Timeout Sets the time delay before your peripherals are controlled by power management.
  • Page 39: 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 40: 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 41: Updating The Bios

    Note You only need to update the BIOS if NEC CSD makes significant improvements or fixes to the current system BIOS. Your authorized NEC CSD dealer or NEC CSD Support Services representative can help you determine this. To update the system BIOS you must:...
  • Page 42: Lifting The Keyboard

    Follow these steps to enable the BIOS flash switch. Make sure the system is powered off and that no peripheral devices are attached. Open the LCD panel. Locate the two keyboard retainers, press on and slide each one towards the outside edge of the system, and remove them.
  • Page 43: Performing The Bios Update

    Never use a pencil to change switch settings. Residue from the pencil can damage the system. BIOS flash switch enabled Dip switches 2, 3, 4, and 5 set to “On.” Reassemble the system as follows: Lift up the keyboard and align the tabs on the front of it with the grooves in the system. Reseat the keyboard in its original position.
  • Page 44 A message similar to the following appears: 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 45: Disassembly And Reassembly

    Disassembly and Reassembly Required Tools and Equipment Disassembly Reassembly...
  • Page 46: Required Tools And Equipment

    Remove the battery pack installed in the NEC Versa LXi system as follows. Note Use the batteries in the NEC Versa computer for which they are designed. Also, installing another manufacturer’s battery, or using a combination of very old and new batteries can deteriorate battery and equipment performance.
  • Page 47 Slide the battery release latch toward the back of the system and hold firmly. Locating the battery bay release latch A – Battery Release Latch Continue to hold the battery release latch as you slide the battery out of the system. Removing the battery Disassembly and Reassembly 3-3...
  • Page 48: Versabay Iii Device

    Use the following steps to remove a device from the NEC VersaBay III. Close the LCD panel and turn the system over. Locate the NEC VersaBay III release lock and release latch on the bottom of the unit. NEC VersaBay III release lock and latch A –...
  • Page 49: Memory Modules

    Pull the device out of the system. Note If you release the latch before completely removing the device, the device casing catches on the inside of the latch. Releasing the device Memory Modules Use the following steps to remove a memory module from the system. Close the LCD panel and turn over the system.
  • Page 50: Hard Disk Drive

    Remove the screw and bay cover. Removing the screw and bay cover Remove the SO-DIMM as follows: Press the locking tabs away from the sides of the SO-DIMM and hold while gently lifting on the edge of the SO-DIMM. When the edge of the SO-DIMM pops up and is at approximately a 60 degree angle, pull the SO-DIMM from the socket.
  • Page 51: Disconnecting The Drive

    Remove the disk drive as follows: Remove the screw that secures the hard disk drive. Place your finger in the centre notch of the hard drive lever and pull up the lever. Be sure that both sides of the lever are raised. If you encounter any resistance when lifting the lever, carefully loosen both sides of the lever before lifting.
  • Page 52: File Bay Device

    Once the drive is disconnected, use the lever to lift the drive out of the system. Once removed, only handle the drive by its sides. Lifting the drive out of the bay File Bay Device Use the following steps to remove a device from the file bay. Close the LCD panel and turn the system over.
  • Page 53: Keyboard And Switch Settings

    Keyboard and Switch Settings Use the following steps to remove the keyboard and access the switch settings. Turn the system over and open the LCD panel. Locate the two keyboard retainers, press on and slide each one towards the outside edge of the system, and remove them.
  • Page 54: Switch Settings

    Switch 1, Password Override Switch — 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.
  • Page 55 Locate and remove the six bottom screws securing the front cover. Removing the bottom screws Turn the system over and open the LCD panel. Carefully separate and partially lift the front cover from the bottom assembly. Disconnect the VersaGlide cable from connector P8 of the main board. Disconnect the speaker assembly cable from connector P5 from the main board.
  • Page 56: Speaker Assembly

    Speaker Assembly Use the following steps to remove the speaker assembly from the system. Remove the keyboard and front cover from the system. Locate and remove the six screws securing the speaker assembly. Removing the speaker screws Remove the speaker assembly. VersaGlide Assembly Use the following procedure to remove the VersaGlide assembly from the system.
  • Page 57: Led Status Board

    LED Status Board Use the following steps to remove the LED status board from the system. Remove the keyboard and front cover from the system. Locate the LED status board and the securing tabs. Locating the board and tabs Slide the LED status board out from under the securing tabs and remove the board. PC Card Assembly Use the following procedure to remove the PC card assembly from the system.
  • Page 58: Mini-Pci Lan/Modem

    Mini-PCI LAN/Modem Use the following steps to remove the optional Mini-PCI LAN/modem from the system. Remove the keyboard and front cover from the system. Partially lift the Mini-PCI LAN/modem up and away from the main board and disconnect it from connector P9. Lifting the Mini-PCI LAN/modem Disconnect the cables from connectors P10 and P11 of the main board.
  • Page 59: Buzzer

    The battery is secured with two-sided tape. Carefully pry the CMOS battery up and remove it from the system. Removing the CMOS battery Buzzer Use the following steps to remove the system buzzer from the system. Remove the keyboard, front cover, PC card assembly, and Mini-PCI LAN/modem (if present) from the system.
  • Page 60: Top Cover And Lcd Panel

    Top Cover and LCD Panel Use the following procedure to remove the top cover and LCD panel from the system. Remove the keyboard and front cover from the system. Close the LCD panel and turn the system over. Locate and remove the three screws securing the top cover to the system. Removing the bottom top cover screws Turn the system over and open the LCD panel.
  • Page 61 Locate and remove the two screws securing the top cover to the system. Removing the top cover screws Locate and remove the four screws securing the LCD panel hinges. Removing the LCD panel screws Disconnect the LCD cable from connector P2 on the main board. Partially lift the top cover.
  • Page 62: Audio Board

    Audio Board Use the following steps to remove the audio board from the system. Remove the keyboard, front cover, top cover, and LCD panel from the system. Locate and remove the two screws securing the audio board to the system. Removing the audio board screws Lift the audio board up and away from the main board to disconnect it from connector P54.
  • Page 63: Bridge Battery

    Locate and remove the three screws securing the main board to the system. Removing the main board screws Disconnect the hard disk drive cable from connector P3 on the main board. Disconnect the diskette drive cable from connector P4 on the main board. Disconnect the bridge battery cable from connector P1 on the main board.
  • Page 64: Fan Assembly

    Fan Assembly Use the following procedure to remove the fan assembly. Remove the keyboard, front cover, top cover, LCD panel, audio board, and main board from the system. Locate and remove the two screws securing the fan assembly to the main board. Removing the fan assembly screws Disconnect the fan cable from connector P12 on the main board.
  • Page 65: Connector Board

    Lift the CPU assembly up and away from the main sub-board to disconnect it from connector P8. Remove the CPU board assembly. Connector Board Use the following procedure to remove the connector board from the system. Remove the keyboard, front cover, top cover, LCD panel, Mini-PCI LAN/modem (if present), audio board, and main board from the system.
  • Page 66: Reassembly

    Reassembly Reassembly is the reverse of the disassembly process. Use care to insure that all cables and screws are returned to their proper positions. 3-22 Disassembly and Reassembly...
  • Page 67: System Board Layout

    System Board Layout LED Status Board Audio Board Connector Board Main Board...
  • Page 68 LED Status Board Audio Board Connector Board Main Board 4-2 System Board Layout...
  • Page 69: Preventive Maintenance

    Preventive Maintenance Cleaning the Notebook Exterior Cleaning the Notebook Interior Protecting Disk Drive Handling the Battery Pack Maintaining the LCD Quality...
  • Page 70: Cleaning The Notebook Exterior

    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 71: Handling The Battery Pack

    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 72: Troubleshooting

    Troubleshooting Quick Troubleshooting Helpful Questions...
  • Page 73: Quick Troubleshooting

    Quick Troubleshooting This section summarizes problems that may develop during system operation and lists suggested corrective actions. Quick Troubleshooting Problem Corrective Action No power Check that the AC adapter is plugged into the power connector of the system. Also, check that the AC adapter is plugged into a properly grounded AC power outlet.
  • Page 74 If the PC card is a Type II card, install it in the system’s other PC card slot. Replace the PC card. Replace the main board. NEC VersaGlide does not work Check if PS/2 or Alps mouse driver is properly installed. Check VersaGlide cable inside the system if it is inserted properly.
  • Page 75: Helpful Questions

    Quick Troubleshooting Problem Corrective Action Parallel device does not work Check all connections. Check if external device is turned on. Check the device drive installation for any IRQ or I/O address conflict. Test another parallel device. Check I/O controller chip on the main board for any cold or loosed soldering.
  • Page 76: Specifications

    Specifications System Components Connector Locations Memory Map Interrupt Controllers...
  • Page 77: System Components

    VGA — 1 port, 15-pin high-density D-sub External Keyboard/External Mouse — 1 port, PS/2, 6-pin MiniDin; exclusionary use or both supported with optional Y-cable adapter Expansion — 1 port, 240-pin for optional NEC Versa Dock and optional NEC Versa PortBar Microphone — 1 port, Mini Jack Stereo Headphones —...
  • Page 78 TV Out  1 port; RCA Jack  1 port, 7-pin S-Video Jack DC In — 1 port, for AC adapter cable USB port — 1 port, 6 pin— LAN port — RJ-45 interface (optional) Modem port — RJ-11 interface (optional) Speakers Two built-in, 1.4 watts (W) each with a maximum 3W output 16-bit stereo, 48 kHz...
  • Page 79 Height — 9.5 mm Pitch — 19 mm Diskette Drive Size — 3.5-inch Capacity — 1.44 MB (formatted), 2 MB (unformatted) Transfer Rate — 250 to 500 K/bps Interleave 1:1 Controller — NS PC97338VJG SuperDisk™ Drive Formatted Capacity:  Optical diskette — 120 MB ...
  • Page 80 Media data rates — 88.0 bit/sec – 118.0 bit/sec Mean Time Between Errors (MTBF) — 300,000 hours 24X-speed CD-ROM Drive Type — 5-inch CD-ROM Pack Average Data Transfer Rates  2550 KB/second (mode 1)  2907 KB/ second (mode2) Read Rate — 3600 KB/sec max, 2550 KB/sec avg Burst Transfer Rate —...
  • Page 81 V.90 compliant Enhanced AT command set Class 1 and 2 Fax protocols Built-in speaker with software controllable volume Mini-PCI LAN 10Base-T and 100Base-TX Alert on LAN system management Advanced Power Management (APM) support System Management Interrupt (SMI) support Power-on reset Software support for management server Mini-PCI LAN/Modem Modem...
  • Page 82 Bridge Battery When fully charged, backs up memory contents and system status when in Suspend (Windows 95) or Standby (Windows 98) mode, giving you time to install a fully charged main battery. Dimensions System with 14.1-inch LCD panel Width — 317 mm (12.4 in.) Depth —...
  • Page 83: Connector Locations

    Connector Locations The following table shows the system’s connector locations. Connector Locations Connector Location Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Board Main Sub-Board...
  • Page 84: Memory Map

    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 000000-0002FFh...
  • Page 85: Interrupt Controllers

    Real-time Clock Slave IRQ09 USB Port Slave IRQ10 PC CardBus Controller/Video Slave IRQ11 VersaBay in Versa Dock Slave IRQ12 PS/2 Mouse/NEC VersaGlide Slave IRQ13 Math Coprocessor (built into CPU) Slave IRQ14 Hard Disk Controller 1 Slave IRQ15 VersaBay III Master IRQ03...
  • Page 86: Glossary

    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. Advanced Graphics Port is an interface specification designed for the throughput demands of 3D graphics.
  • Page 87 Electronic timer used to synchronize computer operations. CMOS Complementary Metal Oxide Semiconductor. A chip that contains non-volatile 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 88 (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 89 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 90 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 91 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 colour screen that supports 256 colours and provides exceptional screen display.
  • Page 92 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 93 Index system security, 2-15 using keys, 2-12 AC adapter Boot password, 2-15 connecting, 2-2 Boot sector virus protection, 2-14 using, 2-2 Bridge battery, 1-12, 2-10 AC Power port, 1-8 ACPI, 2-17 Advanced Configuration and Power Interface, CD-ROM drive, 1-12 2-17 Cleaning Application and driver CD, 2-27 internal components, 6-2...
  • Page 94 Removing the speaker assembly, 3-12 Mouse port, 1-8 Removing the top cover/LCD panel, 3-16 Removing the VersaGlide assembly, 3-12 Replacing the battery pack, 2-6, 3-2 NEC VersaBay III, 1-7, 1-11 Resume password, 2-15 release latch, 1-11 RJ-45 port, 1-9 release lock, 1-11...
  • Page 95 Read-only memory, 9-2 speakers, 9-3 SuperDisk drive, 9-4 system processor, 9-2 Standard CMOS setup, 2-13 Stereo speakers, 1-3 SuperDisk drive, 1-10 Supervisor password, 2-15 Suspend mode, 2-19 Suspend warning tone, 2-19 Switch settings, 3-10 System batteries, 2-9 System date, 2-13 System dimensions, 9-7 System features back, 1-8...