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1-12 System Overview

Internal Components

Review the following sections for a description of the system’s internal hardware.

Hard Disk Drive

A standard 2.5-inch, 9.5 mm or 12.7 mm hard disk drive ships with the system.

File Bay

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. The CPU board is
part of a subassembly, which includes a heat sink and the CPU board.

Audio Board

The audio board provides the NEC Versa system with its audio I/O capabilities via a line-in
jack, headphone and microphone jacks. It is situated on top of the main board.

Main Battery

The twelve-cell Lithium-Ion (Li-Ion) battery provides the main power source in your NEC
Versa LXi computer. See Chapter 9 for a list of battery specifications. In addition to this battery,
the CMOS battery and bridge battery also provide system power.

CMOS Battery

This lithium battery provides battery backup and prevents data loss in the system's
complementary metal oxide semiconductor (CMOS) RAM. This memory area contains
information on the system's configuration, for example, date, time, drives, and memory. 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.

Bridge Battery

The bridge battery saves your system status in Suspend (Windows 95) or Standby (Windows 98)
mode, giving you time to install a fully charged battery or plug in AC power when your battery
charge becomes low.

Connect your NEC Versa system to AC power for a full 24 hours before

using it on battery power for the first time. Doing so insures that the bridge battery is fully charged
and that no data is lost during a battery change.

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Содержание Versa LXi Series

Страница 1: ...NEC Versa LXi Series Notebook Computers VE R S A LXI 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 ...

Страница 2: ...e hardware and interface components Chapter 2 System Configuration and Setup provides information on setup and how to operate the notebook Chapter 3 Disassembly and Reassembly provides detailed instructions on how to disassembly the notebook Chapter 4 System Board Layout shows the system boards and the board connectors Chapter 5 Preventive Maintenance lists general notebook preventive maintenance ...

Страница 3: ...bit DMA direct memory access DMAC DMA controller DOS disk operating system DRAM dynamic RAM DVD digital video disk ECC error checking and correction ECP enhanced capabilities port EDO extended data output EGA Enhanced Graphics Adapter EPP enhanced parallel port EPROM erasable and programmable ROM EVGA Enhanced Video Graphics Array F Fahrenheit FAX facsimile transmission FCC Federal Communications ...

Страница 4: ...PPI programmable peripheral interface PROM programmable ROM QFP quad flat pack RAM random access memory RAMDAC RAM digital to analogue converter RAS row address strobe RGB red green blue RGBI red green blue intensity ROM read only memory rpm revolutions per minute R read RTC real time clock R W read write S slave SCSI Small Computer System Interface SDRAM synchronous dynamic random access memory S...

Страница 5: ...ttery 1 12 ChipSet 1 13 2 System Configuration and Setup Power Sources for Your NEC Versa 2 2 Using the AC Adapter 2 2 Connecting the AC Adapter 2 2 Powering the System On and Off 2 3 Using the Battery 2 3 Determining Battery Status 2 4 Battery Gauge LEDs 2 5 Low Battery Status 2 5 Returning the Battery to its normal state 2 5 Extending Battery Life 2 5 Battery Handling 2 6 Replacing the Battery 2...

Страница 6: ...paring the BIOS Update Diskette 2 22 Enabling the BIOS Flash Switch 2 23 Performing the BIOS Update 2 25 3 Disassembly and Reassembly Required Tools and Equipment 3 2 Disassembly 3 2 Battery 3 2 VersaBay III Device 3 4 Memory Modules 3 5 Hard Disk Drive 3 6 File Bay Device 3 8 Keyboard and Switch Settings 3 9 Switch Settings 3 10 Front Cover 3 10 Speaker Assembly 3 12 VersaGlide Assembly 3 12 LED ...

Страница 7: ... 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 7 Specifications System Components 7 2 Connector Locations 7 8 Memory Map 7 9 Interrupt Controllers 7 10 Glossary Index ...

Страница 8: ...o Know the NEC Versa LXi n Around the Front of the System n Around the Back of the System n Around the Left Side of the System n Around the Right Side of the System n Around the Bottom of the System n Internal Components n Chipset ...

Страница 9: ...es high resolution display for sharp effective visuals In addition your system provides a high performance hard disk drive a diskette drive or SuperDisk drive PC card support and a 24X CD ROM drive or a 6X DVD ROM drive To optimize your connectivity options some models ship with an internal mini PCI modem internal mini PCI LAN or combination internal mini PCI LAN modem As a multimedia system your ...

Страница 10: ...l To adjust the LCD panel brightness press the Fn F8 and Fn F9 functions keys For more details about using the system s function keys see the section Keyboard later in this chapter Base Unit The base unit of your NEC Versa offers the following features which are described after the figure LCD panel and base unit A Stereo Speakers D Operating Status LEDs B Keyboard E Power Button C LCD Panel F NEC ...

Страница 11: ...aGlide to select menu items Operating Status LEDs Operating status LEDs A IDE VBIII Devices E Num Lock B Diskette Drive F Microphone C Caps Lock G Power Button D Scroll Lock n 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 n Diskette Drive lights when the NEC Versa acce...

Страница 12: ...ower button in the following ways Press the Power button to power on Press the Power button to resume from Suspend Windows 95 or Standby Windows 98 mode and proceed with normal operation Hold the Power button in place for 4 or more seconds to initiate power override powers off the system Only use this option if you cannot power off your system using Start Shutdown Keyboard The NEC Versa keyboard o...

Страница 13: ...10 Toggles zoom in and zoom out Fn F12 Toggles the scroll lock off and on Fn ESC Initiates a Save to Ram only in Windows 95 when the BIOS System Switch is set to Sleep Saves your working environment to memory Fn Power Initiates a save to file on demand only in Windows 95 when the BIOS Suspend option is set to STF Saves your working environment to a reserved area on the hard drive An additional pre...

Страница 14: ...eatures A NEC VersaBay III C Battery Charging LED B Power Status LED D LCD Lid Latch n 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 n Power Status LED lights green when the system is und...

Страница 15: ... style keyboard to the system With an optional Y cable adapter you can connect both a mouse and a keyboard at the same time n Serial Port Connects an external modem or other serial device n Parallel Port Connects a parallel printer or other parallel device The port is an Enhanced Capabilities Port ECP The ECP standard provides you with a greater processing speed than the conventional parallel port...

Страница 16: ... TV Out ports do not support the SECAM signal used in some countries n Fan Allows your system to cool properly and maintain a safe operating temperature Always keep the fan vents unobstructed to allow proper system cooling n Modem Port Uses an RJ 11 cable to connect your internal modem to an analogue telephone line Available if optional mini PCI modem or mini PCI LAN modem combo installed n LAN Po...

Страница 17: ...t source Use a cable to connect to the Line Out port on the other audio system to record or play in stereo External Microphone MIC Connects an external microphone for monophonic recording or amplification through the unit Plugging in an external microphone disables the built in microphone n IR Port Use this infrared IR port to transfer files between your NEC Versa and an IR equipped desktop or not...

Страница 18: ...m s memory modules n Battery Bay Release Latch Releases and removes the system s main battery n NEC VersaBay III Release Lock Unlocks the VersaBay III for device removal n 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 NEC VersaBay III lets you add options including an optional second Li Ion batter...

Страница 19: ...the main power source in your NEC Versa LXi computer See Chapter 9 for a list of battery specifications In addition to this battery the CMOS battery and bridge battery also provide system power CMOS Battery This lithium battery provides battery backup and prevents data loss in the system s complementary metal oxide semiconductor CMOS RAM This memory area contains information on the system s config...

Страница 20: ...facturer Description Intel Pentium III 450 MHz 500 MHz with AGP Intel 450 or 500 MHz CPU Mobil Triton II and 82371MB PIIX4M Intel System Controller PC97338VJG National Semiconductor Super I O Savage MX S3 Video ES1921 ESS Audio M38813E4 Mitsubishi Keyboard Controller TIPC11450 Texas Instruments PCI CardBus Controller ...

Страница 21: ...2 System Configuration and Setup n Power Sources for Your NEC Versa LXi n BIOS Setup n Updating the BIOS ...

Страница 22: ...ernating current AC power or to recharge the battery pack Use the AC adapter whenever a wall outlet is nearby Keep the adapter connected whenever possible The AC adapter charges the battery when it is connected whether the NEC Versa is powered on or off AC Adapter A AC Adapter C Power Cable B AC Adapter Cable Do not attempt to disassemble the AC adapter The AC adapter has no user replaceable or se...

Страница 23: ...he Power button on the right hand side above the keyboard and press it To power off the system press the Power button In Windows the computer automatically shuts down when 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 inst...

Страница 24: ... over the power icon on the taskbar to display the remaining battery power for the system s main battery n Right click the power icon on the taskbar to open the power meter or to adjust power properties n Double click the power icon on the taskbar to display the remaining power for both the main and optional if attached battery n Go to Start Settings Control Panel and double click the Power Manage...

Страница 25: ...standard operating temperatures the battery recharges in approximately 2 3 hours whether or not you use your system Returning the Battery to its normal state To return the battery to its normal state try the following n remove and then reinstall the battery n reinstall the battery in your NEC Versa and fully recharge the battery to 100 Extending Battery Life While on the road it is important to be...

Страница 26: ...te 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 1 Save your files exit Windows and put your system into Suspend mode Windows 95 Standby mode Windows 98 or turn off system power 2 Close the LCD and turn the system over 3 Slide th...

Страница 27: ...ate the alignment groove on the edge of the battery n Locate the alignment groove inside the battery bay n Align the grooves on the battery with the grooves in the bay n Slide the battery into the bay until securely locked into place Inserting the battery 6 Turn over the system ...

Страница 28: ...ontact with the terminals can cause a short circuit and damage If the battery leaks n If the battery leaks onto skin or clothing wash the area immediately with clean water Battery fluid can cause a skin rash and damage fabric n If battery fluid gets into eyes DO NOT rub rinse with clear water immediately and consult a doctor n Take extra precautions to keep a leaking battery away from fire There i...

Страница 29: ...s low Connect your NEC Versa system to AC power for a full 24 hours before using it on battery power for the first time Doing so insures that the bridge battery is fully charged and that no data is lost during a battery change Optional Battery The NEC VersaBay III Battery Pack provides an optional second Lithium Ion Li Ion battery to use in your NEC Versa computer Inserting a second fully charged ...

Страница 30: ... taking notes if you want and press F2 You will see this message if your CMOS battery becomes fully discharged BIOS Setup Main Menu After you press F2 the system displays the BIOS Setup Main Menu screen similar to the following BIOS Setup Main Menu Use the up and down arrow keys located on the lower right corner of the keyboard to toggle through the BIOS Setup menu items Press Enter to activate a ...

Страница 31: ...cursor between the subfields Also moves the cursor to the next line or selection For example for System Time Tab moves the cursor from hour to minute to second Enter Activates a selection ESC Exits the current screen and returns to the Main Menu screen From the Main Menu screen displays the prompt Quit without saving F3 F4 Changes the screen colour F10 Saves and exits the BIOS Setup Utility Checki...

Страница 32: ...tection Disabled Enabled DS VersaBay 1 Auto User defined CDROM SuperDisk Not installed Docking Station IDE 1 Auto User defined CDROM SuperDisk Not installed 1 These setup items are only visible when system is docked n 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 ...

Страница 33: ...Panel View Expansion On Off PS 2 Port Warm Swap Enabled Disabled Internal Mouse Enabled Disabled Graphics Aperture Size 256 MB 4 8 16 32 64 128 MB n Video Out Type Specifies the signal type used by the video device connected to the TV Out Port n LCD Panel View Expansion Specifies whether the panel view is reduced off or expanded on n PS 2 Port Warm Swap Specifies whether or not you can swap a PS 2...

Страница 34: ...assword is required during system boot n Resume Password required Indicates whether or not a password is required during system resume Boot Password must be defined to activate this parameter n Assign HDD Password Allows you to assign a password to allow or restrict access to the hard disk drive contents n Internal HDD Password Enables or disables the HDD password n VersaBay HDD password Enables o...

Страница 35: ... these steps to establish HDD passwords and to enable HDD password protection 1 Enter the BIOS setup highlight and select the System Security Setup 2 Highlight Assign HDD Password and press Enter The system prompts you to enter a master password 3 Enter a master HDD password and press Enter The system prompts you to enter the password again to verify 4 Enter the master password and press Enter The...

Страница 36: ...termine if the system has HDD password check the System Security Setup in the BIOS setup to see if there are provisions for establishing HDD passwords Power Management Setup If your Versa LXi system ships with the Windows 98 operating system the Advanced Configuration and Power Interface ACPI controls most power management functions through the Power Management Properties screen in Windows The BIO...

Страница 37: ...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 n Power Savings Level Specifies one of four levels of power management High Performance provides good battery life and best performance with only minimal power conservation ...

Страница 38: ...ement mode n Automatic STF Enables the system after 30 minutes in Suspend mode to save the current working environment to a special file on the hard disk and to power down the system If Auto Save to File is set to Off and the save to file area is present on your hard drive pressing the Fn Power key combination puts the system into Save to File mode Windows 95 only n Panel Brightness Selects the LC...

Страница 39: ...Bay DS Internal DS VersaBay 3 rd IDE Hard Drive DS Internal Internal VersaBay DS VersaBay 4 th IDE Hard Drive DS VersaBay Internal VersaBay DS Internal 1 These setup items are only visible when system is docked 2 Bootable device when set to IDE hard drive Only one IDE device is bootable n Quick Boot Specifies whether or not the system performs all tests during system boot n Silent Boot Specifies w...

Страница 40: ...tting other than Disabled in Peripheral Setup Peripheral Setup allows you to define the following functions n USB Controller Enables or disables the USB controller n Internal Hard Drive Selects which IDE controller is enabled n Serial Port Disables the port or changes its IRQ address assignment n Parallel Port Parallel Mode Disables or reassigns the parallel port and select a parallel port mode n ...

Страница 41: ...lt BIOS needs an update contact the access the support web site to obtain a copy of the BIOS update Preparing the BIOS Update Diskette Before using the BIOS update diskette you must make the diskette BIOS flash ready Refer to the readme txt file on the diskette before using the diskette Follow these instructions to prepare the BIOS Update Diskette 1 Scan your hard drive for any computer viruses 2 ...

Страница 42: ... the keyboard retainers 4 Gently lift up the edge of the keyboard nearest the LCD and slide the keyboard toward the LCD screen to release the tabs that secure it Lifting the keyboard Be careful not to disconnect the keyboard or keyboard cable entirely from the system 5 Gently rest the keyboard on top of the base unit to view and access the dip switch block Be careful not to twist or disconnect the...

Страница 43: ...ves in the system n Reseat the keyboard in its original position n Slide the keyboard retainers back onto the system Reassembling the system 8 Follow the instructions later in this chapter Performing the BIOS Update Performing the BIOS Update Follow these steps to perform the BIOS update Before you begin be sure to n Connect the computer to AC power undock and power off the computer n Configure th...

Страница 44: ...the Display BIOS Version option on the Main Menu Use this option to check the currently installed BIOS version and the version of the new replacement BIOS Press any key to return to the Main menu 5 Highlight the Install New BIOS option and press Enter 6 Press Y and then press Enter After a brief pause a message appears telling you to remove the diskette from the file bay drive 7 Remove the diskett...

Страница 45: ...3 Disassembly and Reassembly n Required Tools and Equipment n Disassembly n Reassembly ...

Страница 46: ...ystem follow the disassembly instructions that follow When disassembling the system unit follow these general rules n Turn off the system and disconnect all power and all options including the AC adapter if connected and battery packs see the procedures that follow n Do not disassemble the system into parts that are smaller than those specified in the procedure n Label all removed connectors Note ...

Страница 47: ...he battery release latch toward the back of the system and hold firmly Locating the battery bay release latch A Battery Release Latch 3 Continue to hold the battery release latch as you slide the battery out of the system Removing the battery ...

Страница 48: ...el and turn the system over 2 Locate the NEC VersaBay III release lock and release latch on the bottom of the unit NEC VersaBay III release lock and latch A NEC VersaBay III Release Lock B NEC VersaBay III Release Latch 3 Slide the lock to the unlocked position before releasing the latch 4 Slide the latch toward the battery bay and hold it ...

Страница 49: ... 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 1 Close the LCD panel and turn over the system Locate the memory module bay Locating the memory module bay A Screw B Memory Module Bay Cover ...

Страница 50: ...IMM and hold while gently lifting on the edge of the SO DIMM n When the edge of the SO DIMM pops up and is at approximately a 60 degree angle pull the SO DIMM from the socket Removing an installed SO DIMM Hard Disk Drive Use the following procedure to remove the hard disk drive This procedure assumes the battery has been removed from the system 1 Close the LCD and turn over the system ...

Страница 51: ...re raised If you encounter any resistance when lifting the lever carefully loosen both sides of the lever before lifting Hard disk drive in the bay A Screw C Hard Disk Drive B Hard Disk Drive Lever n With the lever raised place your fingers on the inside edge of the lever and on each side of the centre notch Pull the drive toward the open side of the battery bay Do not apply pressure to the drive ...

Страница 52: ...emoved 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 1 Close the LCD panel and turn the system over 2 Locate and remove the securing screws on the bottom of the unit Removing the screw 3 Slide the device out of the file bay ...

Страница 53: ... the two keyboard retainers press on and slide each one towards the outside edge of the system and remove them Removing the keyboard retainers 3 Gently lift up the edge of the keyboard nearest the LCD and slide the keyboard toward the LCD screen to release the tabs that secure it Lifting the keyboard 4 Disconnect the keyboard cable from connector P6 on the main board and remove the keyboard ...

Страница 54: ...erased n Switch 2 Keyboard select Default is ON for U S 85 key keyboard n Switch 3 Reserved for factory use Default is ON n Switch 4 Keyboard select Default is ON for U S 85 key keyboard n Switch 5 BIOS flash enable Default is OFF disable Before updating your BIOS change the setting to ON n Switch 6 Logo select Default is OFF for U S Default switch settings Dip switches 2 3 and 4 set to On Front C...

Страница 55: ...s 4 Turn the system over and open the LCD panel 5 Carefully separate and partially lift the front cover from the bottom assembly 6 Disconnect the VersaGlide cable from connector P8 of the main board 7 Disconnect the speaker assembly cable from connector P5 from the main board 8 Remove the front cover Removing the front cover ...

Страница 56: ... the speaker screws 3 Remove the speaker assembly VersaGlide Assembly Use the following procedure to remove the VersaGlide assembly from the system 1 Remove the keyboard and front cover from the system 2 Turn the front cover over 3 Locate and remove the two screws securing the VersaGlide assembly to the front cover Removing the VersaGlide screws 4 Disconnect the VersaGlide assembly cable from the ...

Страница 57: ... 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 1 Remove the keyboard and front cover from the system 2 Locate and remove the three screws securing the PC card assembly Removing the PC card assembly screws 3 Lift the PC card assembly up and away from the main board and disc...

Страница 58: ...nnect it from connector P9 Lifting the Mini PCI LAN modem 3 Disconnect the cables from connectors P10 and P11 of the main board 4 Pull the LAN modem towards the front of the system to release it from the securing tabs CMOS Battery Use the following procedure to remove the CMOS battery from the system 1 Remove the keyboard front cover PC card assembly and Mini PCI LAN modem if present from the syst...

Страница 59: ...tery Buzzer Use the following steps to remove the system buzzer from the system 1 Remove the keyboard front cover PC card assembly and Mini PCI LAN modem if present from the system 2 Disconnect the buzzer from connector P20 of the main board 3 The buzzer is secured with two sided tape Carefully pry the buzzer up and remove it from the system Removing the buzzer ...

Страница 60: ... top cover and LCD panel from the system 1 Remove the keyboard and front cover from the system 2 Close the LCD panel and turn the system over 3 Locate and remove the three screws securing the top cover to the system Removing the bottom top cover screws 4 Turn the system over and open the LCD panel ...

Страница 61: ... remove the four screws securing the LCD panel hinges Removing the LCD panel screws 7 Disconnect the LCD cable from connector P2 on the main board 8 Partially lift the top cover Disconnect the control panel cable from connector P52 on the main board 9 Disconnect the cable from connector P2 on the audio board 10 Remove the top cover and LCD panel ...

Страница 62: ...2 Locate and remove the two screws securing the audio board to the system Removing the audio board screws 3 Lift the audio board up and away from the main board to disconnect it from connector P54 Remove the audio board Main Board Use the following procedure to remove the main board from the system 1 Remove the keyboard front cover top cover LCD panel and audio board from the system ...

Страница 63: ...tor P4 on the main board 5 Disconnect the bridge battery cable from connector P1 on the main board 6 Remove the main board from the system Bridge Battery Use the following steps to remove the bridge battery from the system 1 Remove the keyboard front cover top cover and LCD panel from the system 2 Disconnect the bridge battery cable from connector P1 on the main board Carefully pry the bridge batt...

Страница 64: ...the fan assembly screws 3 Disconnect the fan cable from connector P12 on the main board 4 Remove the fan assembly from the main board CPU Board Assembly Use the following steps to remove the CPU board assembly 1 Remove the keyboard front cover top cover LCD panel audio board and main board from the system 2 Turn the main board over 3 Locate and remove the three screws securing the CPU board assemb...

Страница 65: ...e keyboard front cover top cover LCD panel Mini PCI LAN modem if present audio board and main board from the system 2 Locate and remove the two screws securing the PC card assembly bracket Remove the bracket Removing the PC card bracket screws 3 Locate and remove one screw securing the diskette drive bracket Removing the diskette drive bracket screw 4 Disconnect the cable from connector P4 on the ...

Страница 66: ...3 22 Disassembly and 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 ...

Страница 67: ...4 System Board Layout n LED Status Board n Audio Board n Connector Board n Main Board ...

Страница 68: ...4 2 System Board Layout LED Status Board Audio Board Connector Board Main Board ...

Страница 69: ...5 Preventive Maintenance n Cleaning the Notebook Exterior n Cleaning the Notebook Interior n Protecting Disk Drive n Handling the Battery Pack n Maintaining the LCD Quality ...

Страница 70: ...hen servicing the inside of the notebook remove dust and other foreign particles from inside the system unit as follows 1 Remove the top cover and keyboard using the disassembly procedures discussed in the section Disassembly and Reassembly in Chapter 3 2 Dust or vacuum with a rubber tipped nozzle the inside of the system particularly the main board surface Use care to avoid damaging or dislodging...

Страница 71: ...shock and vibration n Do not expose the battery pack to direct sunlight moisture chemical compounds or extreme heat n Do not disassemble the battery pack n Do not use the battery pack to power other devices n Do not short the battery leads or connect the battery with reversed polarity n Never attempt to charge the battery pack in any way other than as described in this manual and the user s guide ...

Страница 72: ...6 Troubleshooting n Quick Troubleshooting n Helpful Questions ...

Страница 73: ... Panel View Expansion for DOS mode Check if installed VGA driver is correct Check the VGA controller chip on the main board for any loose soldering Replace the main board Battery power does not last long Make sure that the power management features are enabled Recharge the battery pack for 2 hours or up to 100 before using again Replace the battery pack System halts during boot sequence Check cond...

Страница 74: ... not work Check if device driver is installed properly Check if serial device is connected properly Check the device drive installation for any IRQ or I O address conflict Replace serial device Check the I O controller chip on the main board for any cold or loose soldering PC card does not work Check the PC card driver installation for any IRQ or I O address conflict Check if the PC card is insert...

Страница 75: ...ng Replace the main board Helpful Questions Here are some helpful questions to ask when troubleshooting the notebook n Is there any external power source connected to the computer n Is the battery fully charged n Is the computer turned on and the Power LED activated n Is the LCD display switched to the external monitor n Are all cables and devices connected properly and securely n Are all needed d...

Страница 76: ...7 Specifications n System Components n Connector Locations n Memory Map n Interrupt Controllers ...

Страница 77: ...ite Back data n L2 Cache RAM 256 KB On die TAG RAM 32K x 8 bit Speed 15ns Read Only Memory 512 KB x 8 bit Flash ROM Calendar Clock Year month day hour minute second maintained by internal back up battery Input Output I O Facilities Integrated industry standard interfaces n Parallel 1 port 25 pin D sub ECP and EPP support n Serial 1 port 9 pin D sub n Infrared 1 port IrDA 1 compatible n VGA 1 port ...

Страница 78: ...ype III PC card 5 V or 3 3 V interface n 32 bit CardBus support LCD Panel The LCD panel varies depending on the model n 14 1 inch or high resolution active matrix Thin Film Transistor TFT Extended Graphics Array XGA colour display Resolution 1024 x 768 Colours 16 Million max n 15 0 inch high resolution active matrix Thin Film Transistor TFT Extended Graphics Array XGA colour display Resolution 102...

Страница 79: ...nsity floppy diskette 720 KB n Data Transfer Rate 120 MB 680 KB S max 1 44 MB 150 KB S max 720 KB 75 KB S max n Track to track seek rate 120 MB 20ms typ 1 44 MB 720 KB 25ms typ Hard Disk Drive Specifications vary depending upon model n Ultra DMA 33 support n Capacity Internal 6 x 12 x or 18 x GB n Drive height 9 5 mm n Read write track to track seek rate 3 ms 4 5 ms n Average seek time 12 ms 14 ms...

Страница 80: ...CD Video CD CD 1 CD I Ready CD G CD Plus CD DA CD EXTRN and CD ROM XA 6X DVD ROM Drive n Dimensions 12 7 mm h 128 0 mm w 127 0 mm d n Burst Transfer Rate 16 67 MB sec PIO Multiword DMA n Read Rate CD 3600 KB sec max DVD 8115 KB sec max n Average Access Time DVD 270 ms Random 480 ms Full Stroke CD 180 ms Random 270 ms Full Stroke n Data Buffer 512 KB n Interface IDE ATAPI n CD Compatibility CD Audi...

Страница 81: ...PCI LAN Modem Modem n K56 Flex compatible n V 34 protocol n V 90 compliant n Class 1 Fax protocol LAN n 10 100 Ethernet n Full duplex support n Wake on LAN support n Auto sensing n Low power features Power AC Adapter n Input Voltage 100 to 240 volts V AC 50 or 60 Hz 1 5 A n Output Voltage 15 0 V DC 60 Watt n Australia Europe and Asia use an AC power cable specific to each country s standards Batte...

Страница 82: ... 49 mm 1 9 in System with 15 0 inch LCD panel n Width 327 mm 12 8 in n Depth 268 5 mm 10 5 in n Height 50 mm 1 96 in Base of system with 15 0 inch LCD panel n Width 317 mm 12 4 in n Depth 259 mm 10 1 in Weight n With 14 1 inch LCD panel 3 78 kg 8 33 lb n With 15 0 inch LCD panel 3 93 kg 8 67 lb Recommended Environment Operation n Temperature 5 C to 35 C 41 F to 95 F n Relative Humidity 20 to 80 No...

Страница 83: ...ctor Locations Connector Location P1 Main Board P2 Main Board P3 Main Board P4 Main Board P5 Main Board P6 Main Board P8 Main Board P9 Main Board P10 Main Board P11 Main Board P12 Main Board P19 Main Board P20 Main Board P52 Main Board P54 Main Board P8 Main Sub Board P2 Audio Board P4 Connector Board ...

Страница 84: ...tions Memory used by the OS device drivers TSRs and all DOS applications 0A0000 0AFFFFh 64 KB Video Buffer EGA and VGA 0B0000 0B7FFFh 32 KB Video Buffer monochrome CGA colour VGA monochrome 0B8000 0BFFFFh 32 KB Video Buffer CGA EGA colour and VGA colour 0C0000 0CBFFFh 64 KB Video ROM EGA and VGA 0D0000 0DFFFFh 64 KB Used by Adapter ROMs i e network controllers hard disk controllers SCSI host adapt...

Страница 85: ...em Interrupt Controllers Controller Master Slave Priority Name Device Master 0 IRQ00 SystemTimer 1 Master 1 IRQ01 Keyboard Master 2 IRQ02 Programmable Controller Slave 3 IRQ08 Real time Clock Slave 4 IRQ09 USB Port Slave 5 IRQ10 PC CardBus Controller Video Slave 6 IRQ11 VersaBay in Versa Dock Slave 7 IRQ12 PS 2 Mouse NEC VersaGlide Slave 8 IRQ13 Math Coprocessor built into CPU Slave 9 IRQ14 Hard D...

Страница 86: ...Bps B base RAM Area of system memory between 0 and 640 kilobytes available to the user for operating system and application programs BIOS Basic Input Output System A collection of primitive computer routines usually burnt into ROM that controls the real time clock keyboard disk drives video display and other peripheral devices bit Binary digit The smallest unit of computer data bits per second bps...

Страница 87: ...een image using tiny dots called pixels See also LCD cursor A movable image on the display screen that indicates where the next entered data appears D diskette A thin flexible platter coated with a magnetic material for storing information diskette drive A magnetic drive that writes on and retrieves data from a diskette DSTN Double Scan Super Twisted Nematic A type of technology used in some NEC V...

Страница 88: ...t Drive Electronics A hard disk drive type that has controller electronics built into the drive and delivers high throughput interface A connection that enables two devices to communicate interrupt A special control signal from an I O device that diverts the attention of the microprocessor from the program to a special address K kilobyte KB 1024 bytes L LAN Local Area Network LCD Liquid Crystal Di...

Страница 89: ...ine N non volatile memory Storage media that retains its data when system power is turned off Non volatile memory in the NEC Versa is a complementary metal oxide semiconductor CMOS chip which is backed up by an internal battery The backup battery preserves the clock calendar data and system configuration parameters stored in CMOS See volatile memory O operating system Set of programs that manage t...

Страница 90: ...ed into the port to attach the device to the computer processor In a computer a functional unit that interprets and executes instructions prompt A special symbol indicating the beginning of an input line Also a message that appears on the screen indicating that the user must take a certain action Q QWERTY The QWERTY keyboard designed in the 1800s for mechanical typewriters refers to the first six ...

Страница 91: ...ution of 1024x 768 with up to 256 colours displayed simultaneously system board The main printed circuit board inside the system unit into which other boards and major chip components such as the system microprocessor are connected T TFT Thin Film Transistor A type of NEC Versa LCD colour screen that supports 256 colours and provides exceptional screen display V VersaGlide A small touch sensitive ...

Страница 92: ...omputer 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 ...

Страница 93: ...roducing 2 10 main menu 2 11 other options 2 21 peripheral 2 21 screens 2 11 standard CMOS 2 13 system security 2 15 using keys 2 12 Boot password 2 15 Boot sector virus protection 2 14 Bridge battery 1 12 2 10 C CD ROM drive 1 12 Cleaning internal components 6 2 outer surface 6 2 CMOS battery 1 12 2 10 Connecting the AC adapter 2 2 Connector locations 9 8 Control keys 1 7 Cursor control keys 1 6 ...

Страница 94: ...Ds 1 7 Power on self test POST 2 10 Preparing BIOS update disk 2 22 PS 2 Hot Swap 2 14 Q Quick troubleshooting 7 2 R Recharging the battery 2 5 Recommended operating environment 9 7 Remote power on 2 19 Removing a memory module 3 5 Removing the audio board 3 18 Removing the bridge battery 3 19 Removing the buzzer 3 15 Removing the CMOS battery 3 14 Removing the connector board 3 21 Removing the CP...

Страница 95: ...nsions 9 7 System features back 1 8 bottom 1 11 front 1 3 1 7 left 1 9 right 1 10 System memory 2 13 System parameters 2 12 resetting 2 13 System switch 2 18 System time 2 13 System weight 9 7 T Troubleshooting helpful questions 7 4 TV out RCA 1 9 S video 1 9 U Updating the BIOS 2 22 USB ports 1 9 User password 2 15 Using the AC adapter 2 2 V Vents 1 11 VersaBay HDD password 2 15 Video out type 2 ...

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