NEC 300i User Manual

Best Value to Meet Basic Computing Needs

Preface xiPrefaceThis manual contains technical information for servicing and repairing the NECPowerMate® VT 300i Series computers manufactured by NE

System Board 4-19I/O Address MapAddress (Hex) I/O Device Name0070, bit 7 PIIX4 - enable NMI0070, bits 6 through 0 PIIX4 - real time clock, address00

4-20 System BoardI/O Address MapAddress (Hex) I/O Device Name03CE-03CF Video (VGA)03D4-03D5 Video (VGA)03DA Video (VGA)03E8-03EF COM303F0-03F5 Flopp

System Board 4-21DMA SettingsThe system’s DMA settings are given in the following table.DMA SettingsDMA Setting Device0 Audio1 Audio/parallel port2

5Illustrated Parts Breakdown Ordering Parts Field Replaceable Unit List Illustrated Parts Breakdown

5-2 Illustrated Parts BreakdownThis section contains the illustrated parts breakdown (IPB) and NEC CSD partdescriptions for the PowerMate VT 300i Se

Illustrated Parts Breakdown 5-3Field Replaceable Unit ListThe following table lists the field replaceable units (FRUs) for the PowerMateVT 300i Seri

5-4 Illustrated Parts BreakdownPowerMate VT 300i Series System FRU ListItem Description16c GVC 10/100 Network Board17 Chassis Cover, Left Side18 Cha

Illustrated Parts Breakdown 5-5Illustrated Parts BreakdownThe following figure shows the illustrated parts breakdown (IPB) for thePowerMate VT 300i

6Preventive Maintenance System Cleaning Keyboard Cleaning Mouse Cleaning

6-2 Preventive MaintenanceThis section contains general information for cleaning and checking the system,keyboard, and monitor.The system unit, keyb

Abbreviations xiii Aampere AC alternating current ACK acknowledge AGP accelerated graphics port ASIC application-specificintegrated circuit AT advan

Preventive Maintenance 6-33. Clean the enclosure and keys with a damp cloth. A small, soft-bristle brushmay be used to clean between the keys.Do not

7Troubleshooting Checklist Diagnostics

7-2 TroubleshootingThis section provides information to help isolate and repair system malfunctionsat the field level. The system has a built-in pro

Troubleshooting 7-3 System emits continuous beeps.Turn the system off, wait at least five seconds, and turn the system on. Ifthe beeps continue, cal

7-4 TroubleshootingDiskette Drive ProblemsCheck the following to see the possible cause and solution. Diskette won’t load.Check that the diskette is

Troubleshooting 7-5Check that the video refresh rate and video driver are correct.Click the right mouse button anywhere on the Windows desktop and a

7-6 Troubleshooting The CD-ROM drive plays music CDs but the sound is not heard.However, .WAV and .MIDI sounds can be heard when played.Check that t

Troubleshooting 7-7Problems and SolutionsProblem Symptom SolutionNo power (cont’d) 4. Check +5 and +12 power supplyvoltages. Measure voltages with s

7-8 TroubleshootingProblems and SolutionsProblem Symptom SolutionDiskette drive doesnot workLamp on drive panel does not lightwhen diskette is loade

Troubleshooting 7-9Problems and SolutionsProblem Symptom SolutionMonitor malfunction Unable to synchronize display. 1. Adjust the monitor’s synchron

xiv Abbreviations GB gigabyte GND ground HEX hexadecimal HGA Hercules Graphics Adapter Hz hertz IC integrated circuit ID identification IDE intellige

7-10 TroubleshootingProblems and SolutionsProblem Symptom SolutionCD-ROM drivemalfunction (cont”d)No sound from CDs. 1. Check that speaker power is

8NEC CSD Information Services Service Telephone Numbers Technical Support Product Information

8-2 NEC CSD Information ServicesThis section contains the following NEC CSD service and support information: service and support telephone numbers

NEC CSD Information Services 8-3 BIOS updates, drivers, and setup disk files to download contact information, including telephone numbers for Techn

8-4 NEC CSD Information ServicesDirect assistance is available 24 hours a day, 7 days a week. Call the NEC CSDTechnical Support Center, toll free, a

NEC CSD Information Services 8-5!CAUTIONNEC CSD recommends that you download files from theBulletin Board Service to a diskette and not to your hard

8-6 NEC CSD Information Services Follow the prompts to select a file for downloading.!CAUTIONExecutable files automatically format your diskette whe

9Specifications System Board Keyboard Mouse Speakers System Unit Diskette Drive Hard Drives Power Supply Fax/Modem Board Graphics Boards CD-ROM Drives

9-2 SpecificationsThis section contains the specifications for the various components comprisingthe PowerMate VT 300i Series systems. The following

Specifications 9-3System Board SpecificationsThe specifications for the system board are included in the following table.System Board Specifications

Abbreviations xv rms root mean square ROM read-only memory rpm revolutions per minute RTC real-time clock R/W read/write Sslave SCSI Small Computer

9-4 SpecificationsMouse SpecificationsThe specifications for the mouse are included in the following table.Mouse SpecificationsFeature Specification

Specifications 9-5System Unit SpecificationsThe specifications for the system unit are included in the following table.System Unit SpecificationsFea

9-6 SpecificationsDiskette Drive SpecificationsFeature SpecificationData Transfer Rate High density mode: 500/250 Kbit/secNormal density mode

Specifications 9-74.3-GB Maxtor Hard Drive SpecificationsThe specifications for the 4.3-GB Maxtor DiamondMax™ hard drive areincluded in the followin

9-8 Specifications8.4-GB Fujitsu Hard Drive SpecificationsThe specifications for the 8.4-GB Fujitsu hard drive are included in thefollowing table.8.

Specifications 9-98.4-GB Maxtor Hard Drive SpecificationsThe specifications for the 8.4-GB Maxtor hard drive are included in thefollowing table.8.4-

9-10 Specifications12.9-GB Maxtor Hard Drive SpecificationsThe specifications for the 12.9-GB Maxtor hard drive are included in thefollowing table.1

Specifications 9-11Fax/Modem Board SpecificationsThe specifications for the fax/modem boards are included in the following table.Fax/Modem Board Spe

9-12 SpecificationsATI Minden AGP Board SpecificationsThe specifications for the ATI Minden (Rage IIC) 4 MB AGP board areincluded in the following t

Specifications 9-13Diamond Viper V550 AGP BoardSpecificationsThe specifications for the Diamond Viper V550 AGP 2D/3D graphics board areincluded in t

1System Overview Configurations Features Components

9-14 SpecificationsLite-On 32X and 40X CD-ROM Drive SpecificationsFeature SpecificationTemperatureOperating: 5° to 45°Non-operating: -20° to 60°Humi

Specifications 9-15Hitachi 4X DVD-ROM Drive SpecificationsThe specifications for the Hitachi 4X DVD-ROM drive are included in thefollowing table.Hit

9-16 SpecificationsPC Adapter Device SpecificationsFeature SpecificationSoftware SwapFit Flash Filing system driver enabling full floppy disk orhard

Specifications 9-17Tape Backup Unit SpecificationsFeature SpecificationTemperatureOperating: 5° to 45°Non-operating: -40° to 65°Humidity Operating:

9-18 SpecificationsEnvironmental and Safety SpecificationsThe system environmental and safety specifications are included in thefollowing table.Spec

ARelease Notes General Notes SCSI Drive Limitations LS-120 SuperDisk Copy Utility NEC OS Restore CD PIIX4 Limitations New System Board Jumper Settings

A-2 NEC PowerMate VT 300i Series Release NotesThe PowerMate VT 300i Series Release Notes provide up-to-date informationon installing the application

NEC PowerMate VT 300i Series Release Notes A-3 Once Internet Explorer is installed, other applications can be installedduring the same installation

A-4 NEC PowerMate VT 300i Series Release Notes2. Double click the Network icon in the Control Panel window.3. Click the Protocols tab. In the Prot

NEC PowerMate VT 300i Series Release Notes A-5Installing LapLink Application Not SupportedThe LapLink application included on the NEC Application an

1-2 System OverviewThis section provides an overview of the NEC PowerMate VT 300i Seriesmicrotower computer system configurations. The section high

A-6 NEC PowerMate VT 300i Series Release NotesInstalling Internet Explorer 4.01 Add-On Components from theNEC Driver CDChoosing the Installing Inter

NEC PowerMate VT 300i Series Release Notes A-7Using the NEC OS Restore CD with a SCSI DriveIf a situation arises in which a full operating system re

A-8 NEC PowerMate VT 300i Series Release NotesNEC OS Restore CDThe following sections provide information about the “Fix OS” Restore optionon the NE

NEC PowerMate VT 300i Series Release Notes A-9This completes the OS Restore (or “Fix OS”) procedure. The system is now in astate where data can be b

A-10 NEC PowerMate VT 300i Series Release NotesWhen users install their own version of Windows 95, ULTRA DMA/33 doesnot function without the additio

NEC PowerMate VT 300i Series Release Notes A-11

A-12 NEC PowerMate VT 300i Series Release NotesIntel Processor Serial Number Control UtilityThe Intel® Processor Serial Number Control utility is a

NEC PowerMate VT 300i Series Release Notes A-13The processor serial number is analogous to a conventional serial number, withthese important differe

A-14 NEC PowerMate VT 300i Series Release NotesWhich programs and/or websites currently use the processor serialnumber?You can find a complete list

NEC PowerMate VT 300i Series Release Notes A-15Restoring Software with a US Robotics 56K V.90 Modem InstalledIf your system has a US Robotics 56K V.

System Overview 1-3The following table lists the PowerMate VT 300i series system configuration. PowerMate VT 300i Series System ConfigurationCompon

A-16 NEC PowerMate VT 300i Series Release NotesFinding No Network Neighborhood Icon on the DesktopThe Windows 98 desktop does not display a Network

NEC PowerMate VT 300i Series Release Notes A-172. Configure BootMagic. If you want to use BootMagic:Click the ENABLE BOOTMAGIC button. The BootMag

A-18 NEC PowerMate VT 300i Series Release Notes5. Select SAVE/EXIT in the BootMagic Configuration box. Either choice, toenable BootMagic or to not

Glossary 1GlossaryA access timeThe time period between the supply of an access signal and the output oracceptance of the data by the addressed syste

2 GlossaryAPIApplication Programming Interface. An API is a series of functions that programscan use to make the operating system do routine or repet

Glossary 3audioRelating to or capable of producing sound. Multimedia computers make extensiveuse of audio.AVIA digital movie format created by Micro

4 Glossarybit Binary digit. The smallest unit of computer data. A single digital piece ofinformation, generally represented by the numeral 0 or 1. Us

Glossary 5boot sectorThe part of the boot block that contains the operating system loader, a program thatstarts by itself and loads the operating sy

6 GlossarychassisThe metal frame to which the electronic components of the computer (such as thesystem board, power supply, and drive bays) are attac

Glossary 7DIMMDual Inline Memory Module. Circuit board with pins connecting to differentmemory chips on both sides of the board, which allows for wi

1-4 System OverviewPowerMate VT 300i Series System ConfigurationComponent DescriptionTape Backup Drive** Seagate Travan 4/8-GB Tape Backup DeviceLS-

8 GlossaryEIDEExtended Integrated Drive Electronics. The EIDE specification is an enhancedversion of IDE that allows for faster transfer rates and su

Glossary 9Hhertz (Hz) A unit of frequency equal to one cycle per second.hexadecimalA number system that uses 16 as the base. (Place value indicates

10 GlossaryIRQ Interrupt Request. A signal that, when received by the CPU, makes it stop what it isgoing to do something else. An interrupt is a way

Glossary 11memory Electronic storage area in a computer that retains information and programs. Acomputer has two types of memory: read-only memory (

12 Glossaryoverwrite Storing information at a location where information is already stored, thusdestroying the original information.Ppage A type of

Glossary 13port Any connection by which data can enter or leave a computer or peripheral.Provides the means for an interface between the microproces

14 Glossaryserial printer A printer with a serial interface.SGRAMSynchronous Graphic Random Access Memory. A type of DRAM usedincreasingly on video

Glossary 15system board The main printed circuit board inside the system unit into which other boards andmajor chip components, such as the system m

16 GlossaryVRAMVideo RAM. VRAM is special-purpose memory used by video adapters. Unlikeconventional RAM, VRAM can be accessed by two different devic

Index-1AAddressesparallel port, 2-3Advanced menu (BIOS), 2-13AGP board, 1-11features, 4-16removal, 3-9Application and Driver CDusing, 2-26Audiofeature

System Overview 1-5 Diskette drive — copy data files to and from a diskette or as a bootabledrive for loading and starting programs from a diskette

Index-2Diskette drive, 1-10removal, 3-20specifications, 9-5DMA settingsfunctions, 4-21Documentation, onlineNEC Help Center, 2-27DVD-ROM drivesHitachi

Index-3Maxtor hard drive12.9-GB hard drive specifications, 9-104.3-GB hard drive specifications, 9-78.4-GB hard drive specifications, 9-9Memorycheckin

Index-4Right side coverdisassembly, 3-6replacing, 3-7SSeagate IDE hard drive4.3-GB drive specifications, 9-6Securityfeatures, 1-8locking tab, 1-8Secur

Index-5USB interfacefeatures, 4-15UtilitiesCheyenne Backup, 2-28WWake-On Lansetting jumper JWOL, 4-7Website, 8-2Windows network security, 1-8ZZip driv

Regulatory Statements FCC Statement Note for Canada Battery Replacement Battery Disposal

Regulatory Statements-2The following regulatory statements provide information about use of thePowerMate VT 300i Series computer: FCC Statement (For U

Regulatory Statements-3FCC Statement (For United States Use Only)WARNING: Changes or modifications to this unit not expressly approved bythe party re

Regulatory Statements-4Note for CanadaThis Class B digital apparatus meets all requirements of the CanadianInterference-Causing Equipment Regulations.

Regulatory Statements-5Battery ReplacementA lithium battery in some computers maintains system configurationinformation. In the event that the battery

Regulatory Statements-6Battery DisposalDo not place used batteries in your regular trash.The nickel-cadmium or nickel metal-hydride batteries must be

1-6 System OverviewPowerMate VT 300i Series System Rear ViewA – Power Socket I – Line In JackB – Voltage Selector Switch J – Microphone In JackC – M

NEC Computer Systems DivisionPackard Bell NEC, Inc.1 Packard Bell WaySacramento, CA 95828-0903www.nec-computers.com 456-00050-000SRV5/99

First Printing — May 1999Copyright 1999NEC Computer Systems DivisionPackard Bell NEC, Inc.1 Packard Bell WaySacramento, CA 95828-0903All Rights Reser

System Overview 1-7 Serial ports — Serial port 1 (COM1) and serial port 2 (COM2) allow theconnection of serial devices with 9-pin connectors. The d

1-8 System OverviewThe inside of the system has the following features: system board with connectors for the Celeron or Pentium processor singleedg

System Overview 1-9ComponentsThe major system components are listed in the following table, along with thepage number where each component is briefl

1-10 System OverviewDiskette DriveA single diskette drive is supported in the system. The installed 1.44-MB3 1/2-inch diskette drive is connected by

System Overview 1-11MouseThe system ships with a Microsoft IntelliMouse PS/2-compatible mouse or aLogitech PS/2-compatible mouse as standard equi

1-12 System OverviewFax/Modem BoardSome systems come with a fax/modem board preinstalled. The board operates asa fax system and data modem according

System Overview 1-13The tape backup unit installs in a 5 1/4-inch accessible slot. The installed tapebackup unit is connected to an IDE cable that c

2System Configuration Interrupt Requests Jumper Settings BIOS Setup Video Modes Utilities

2-2 System ConfigurationThis section provides information for configuring the system. The sectionincludes: system interrupt request (IRQ) assignment

System Configuration 2-3Interrupt Level Assignments*Interrupt Priority Interrupt DeviceNMI I/O Channel CheckIRQ00 System TimerIRQ01 KeyboardIRQ02 Pr

Contents iiiContentsPreface...

2-4 System ConfigurationSerial Port InterruptsThe interrupts for serial port 1 and serial port 2 are given in the following table.Any interrupts use

System Configuration 2-5System Board Jumper SettingsThe system board has four jumper blocks: Processor/Bus Speed jumper blockSW1, Power On Mode jump

2-6 System ConfigurationPower On Mode jumper JP1 is a two-pin block for setting how the systempowers up. Depending on the jumper setting, the system

System Configuration 2-7Maxtor IDE Hard Drive Jumper SettingsThe factory settings for the jumpers on the Maxtor IDE hard drive are shown inthe follo

2-8 System ConfigurationLite-On 32X CD-ROM Drive Jumper SettingsThe factory settings for the jumpers on the Lite-On 32X CD-ROM drive areshown in the

System Configuration 2-9BIOS Setup UtilityThe AMI BIOS Setup utility program is used to configure the main componentsof the computer.The computer sh

2-10 System ConfigurationHow to Use BIOS SetupUse the keys shown on the bottom of the Main menu to make your selections orexit the current menu. The

System Configuration 2-11Main Menu ItemsMenu Item Settings (default is bold)Cache RAM This field is read-only and cannot be changed from the BIOS Se

2-12 System ConfigurationMain Menu ItemsMenu Item Settings (default is bold)Type None, CD-ROM, IDE Removable, User,ATAPI Removable, AutoDefaults to

System Configuration 2-13Advanced MenuThe Advanced Menu is a top-level menu in the BIOS Setup utility. Choose theAdvanced Menu by selecting Advanced

iv ContentsIntroducing OS Restore Options ...2-19Choosing a Restore Progr

2-14 System ConfigurationAdvanced Menu - Advanced CMOS SetupMenu Item Settings (default is bold)Quiet Boot Enabled, DisabledWhen Enabled, displays t

System Configuration 2-15Advanced Menu - Power Management SetupMenu Item Settings (default is bold)Suspend Time Out(Minutes)Disabled, 1, 2, 4, 8, 10

2-16 System ConfigurationAdvanced Menu - PCI/Plug and Play SetupMenu Item Settings (default is bold)Plug and PlayAware O/SNo for Win NT, Yes for Win

System Configuration 2-17Advanced Menu - Peripheral SetupMenu Item Settings (default is bold)Parallel Port IRQ Parallel port 7Setting depends on set

2-18 System ConfigurationExit MenuThe Exit Menu is a top-level menu in the BIOS Setup utility. Choose the ExitMenu by selecting Exit in the legend b

System Configuration 2-19 Press Enter.5. At the message EPROM programming is ready to start, type Y (withoutparenthesis) to continue. After the upg

2-20 System ConfigurationThe operating system and factory-shipped drivers are always restored regardlessof which program was chosen.See “NEC Applica

System Configuration 2-21See one of the following sections to continue with the restore. “Auto Rebuild and Restore” “Custom Rebuild and Restore”

2-22 System Configuration5. Click Continue. The following steps should take place. System performs FDISK. System reboots. Partitions are formatt

System Configuration 2-23 Click Full to do a full hard drive format. Click Exit to terminate the restore process.4. After you select the type of ha

Contents vSetting Wake-On LAN... 4-7Upgrade Sockets ...

2-24 System Configuration Partitions are formatted. OS and drivers load from the CD.The “Operating System Restore Completed” screen appears when al

System Configuration 2-25This completes the OS Restore (or “Fix OS”) procedure. The system is now in astate where data can be backed up. System sett

2-26 System ConfigurationLaunching the Application and Driver CDUse the Application and Driver CD to install applications, drivers, utilities,Intern

System Configuration 2-273. Click Install to install the selection.Follow the on-screen instructions to install the selection.4. Click Exit to clo

2-28 System ConfigurationResolutions for NEC VistaScan USB MonitorsThe following table lists the supported resolutions for NEC PowerMate Seriessyste

System Configuration 2-29Intel Processor Serial Number Control UtilityThe Intel Processor Serial Number Control utility is a Windows program thatena

2-30 System ConfigurationProcessor Serial NumberThe Intel processor serial number, a new feature of the Pentium III processor, isan identifier for t

System Configuration 2-31Does Intel track serial numbers?Generally not, other than related to the manufacturing process. Intel does not, inthe absen

3Disassembly and Reassembly System Unit Cover Removal Expansion Board Removal AGP Board Removal Front Panel Removal Blank Panel and Metal Shield Remov

3-2 Disassembly and ReassemblyThis section contains step-by-step disassembly procedures for the system unit. Asimplified disassembly illustration is

vi ContentsTechnical Support Services ...8-3Product Information

Disassembly and Reassembly 3-3!CAUTIONBefore handling boards or chips, ground yourself to releasestatic.System Unit Cover RemovalThe following subse

3-4 Disassembly and ReassemblyRemoving the Left Side CoverA – Left Side Cover C – HandleB – Thumb Screws D – Lock TabReplacing the Left Side CoverRe

Disassembly and Reassembly 3-5Replacing the Left Side CoverA – Tab Slots C – Chassis RailB – Left Side Cover D – Lock Tab6. Replace the two thumb sc

3-6 Disassembly and ReassemblyRemoving the Right Side CoverRemove the right side cover as follows.!WARNINGBefore removing the right side cover, turn

Disassembly and Reassembly 3-7Replacing the Right Side CoverReplace the right side cover as follows.1. Position the right side cover over the chass

3-8 Disassembly and ReassemblyExpansion Board RemovalRemove any installed expansion board(s) as follows.1. Remove the left side cover (see “Removin

Disassembly and Reassembly 3-9AGP Board RemovalRemove the AGP board as follows.1. Remove the left side cover (see “Removing the Left Side Cover” ea

3-10 Disassembly and ReassemblyBlank Panel and Metal Shield RemovalRemove the blank panel from the front panel and the metal shield covering theacce

Disassembly and Reassembly 3-11DIMM Module RemovalRemove a DIMM module from the system board as follows.1. Remove the left side cover (see “Removin

3-12 Disassembly and ReassemblyRemoving the Celeron or Pentium III Processor CartridgeRemove the Celeron processor cartridge or the Pentium III proc

Contents viiDetermining IDE Device Compatibility...A-10New System Board Jumper Settin

Disassembly and Reassembly 3-13Removing the Celeron or Pentium III Processor CartridgeA – Locking Lever C – Processor CartridgeB – Universal Retenti

3-14 Disassembly and Reassembly2. Align the replacement cartridge with the top of the retention mechanism sothat the notch in the cartridge connect

Disassembly and Reassembly 3-15Removing the Pentium II Processor CartridgeRemove the Pentium II processor cartridge from its Slot 1 socket and unive

3-16 Disassembly and ReassemblyRemoving the Pentium II Processor CartridgeA – Locking Lever D – Retention MechanismB – Processor Cartridge E – Syste

Disassembly and Reassembly 3-17!CAUTIONUsing the wrong heat sink or no heat sink can damage theprocessor, system board, or both. Ensure that therepl

3-18 Disassembly and Reassembly5. For systems using the top bar, install it as follows.!CAUTIONUse caution when inserting the top bar to prevent da

Disassembly and Reassembly 3-19Removing a 5 1/4-Inch DeviceA – Screws B – Device3 1/2-Inch Hard Drive RemovalRemove a 3 1/2-inch hard drive as follo

3-20 Disassembly and ReassemblyRemoving the Hard DriveA – Screws B – Top Bracket3 1/2-Inch Diskette Drive RemovalRemove the 3 1/2-inch diskette driv

Disassembly and Reassembly 3-21Power Supply RemovalRemove the power supply as follows.!WARNINGBefore removing the system unit covers, turn off the p

3-22 Disassembly and ReassemblySystem Board RemovalRemove the system board as follows.1. Ensure that all external cables are disconnected from the

viii ContentsList of FiguresPowerMate VT 300i Series System Components...

Disassembly and Reassembly 3-23CMOS Battery RemovalRemove the 3-volt lithium battery from the system board as follows.1. Turn off and unplug the sy

3-24 Disassembly and Reassembly4. Press down on the battery clip to release the battery from its socket.Removing the BatteryA – BatteryB – Clip5.

4System Board Connectors, Jumpers, and Sockets Components Resources

4-2 System BoardThis section describes the locations of connectors, jumpers, and sockets on thesystem board, including external cable connectors, in

System Board 4-3Internal Connectors and SocketsLocations of the internal connectors and sockets on the system board are shownin the following figure

4-4 System BoardLocating System Board JumpersA – Power On Mode Jumper JP1 C – Clear CMOS Jumper JBAT1B – Processor/Bus Speed Jumpers SW1 D – Wake-On

System Board 4-5Processor Jumper Settings5. Replace the left side cover (see “Replacing the Left Side Cover” inSection 3).6. Connect system power

4-6 System Board4. Set jumper JP1 as follows. Set the jumper on pins 1 and 2 to allow system boot up when the powerbutton is pressed. Remove the j

System Board 4-78. Connect system power cables and external options.9. Power on the system.10. Run the BIOS Setup utility to check the configurati

4-8 System BoardUpgrade SocketsThe system board has the following upgrade sockets: processor socket DIMM sockets.See the following paragraphs for so

Contents ixResolutions for 15 and 17 Inch NEC VistaScan USB Monitors...2-28PowerMate VT 300i

System Board 4-9Supported DIMMsDIMM Size Non-ECC Configuration16 MB 2 Mbit x 6432 MB 4 Mbit x 6464 MB 8 Mbit x 64128 MB 16 Mbit x 64Sample DIMM Upgr

4-10 System BoardComponentsThe system board has the following features: Intel 82443ZX AGPset used for AGP, PCI/ISA, memory, and peripheralcontrol W

System Board 4-11The following table lists the major components on the system board.System Board ComponentsComponent FunctionProcessor (mounted in a

4-12 System BoardProcessor and Secondary CacheThe system uses an Intel Celeron, Pentium II, or Pentium III processor with aninternal clock speed of

System Board 4-13The Flash ROM allows the system and video BIOS to be upgraded with theBIOS Update utility, without having to physically remove the

4-14 System BoardPCI/IDE PortsThe system board supports two high-performance PCI/IDE ports: a primary portand a secondary port on the system board.

System Board 4-15Serial InterfaceThe system has two 16C550 UART compatible serial ports (COM1 and COM2)integrated on the I/O controller. The serial

4-16 System BoardThe following graphics boards are available from NEC CSD: ATI Minden (Rage IIC) 4-MB AGP boardThis board contains 4 MB of SDRAM. A

System Board 4-17Integrated AudioTo support the increasing number of multimedia applications, a CreativeES1373 PCI audio chip is integrated on the s

4-18 System BoardMemory MapThe system memory map is shown in the following table.System Memory MapMemory Space Size Function100000-18000000 383 MB E