NEC versa 6000 schematic

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PROPRIETARY NOTICE AND LIABILITY DISCLAIMER

The information disclosed in this document, including all designs and related materials, is the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights to this docu ment, including all design, manufacturing, reproduction, use, and sales rights thereto, except to the extent said rights are expressly granted to others.

The NEC product(s) discussed in this document are warranted in accordance with the terms of the Warranty Statement accompanying each product. However, actual performance of each such product is dependent upon factors such as system configuration, customer data, and operator control. Since implementation by customers of each product may vary, the suitability of specific product configurations and applications must be determined by the customer and is not warranted by NEC.

To allow for design and specification improvements, the information in this document is subject to change a t any time, without notice. Reproduction of this document or portions thereof without prior written approval of NEC is prohibited.

FastFacts, and NEC SVGA, are U.S. trademarks of NEC Technologies, Inc. All other product, brand, or trade names used in this publication are the trademarks or registered

trademarks of their respective trademark owners.

First Printing — June 1996

NEC Technologies, Inc. NEC Corporation

1414 Massachusetts Avenue 7-1 Shiba 5-Chome, Minato-Ku

Boxborough, MA 01719 Tokyo 108-01, Japan

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Preface

This service and reference manual contains the technical information necessary to set up, and maintain the NEC Versa® 6000 Series notebook computer. It also provides hardware and interface information for users who need an overview of the system’s design. The manual is written for NEC-trained customer engineers, system analysts, service center personnel, and dealers.

The manual is organized as follows: Section 1  Technical Information, provides an overview of the hardware and interface

components. System specifications are listed including computer dimensions, weight, environment, safety compliance, power consumption, and system memory specifications.

Section 2   Setup and Operation, takes the authorized service technician or dealer from unpacking to setup and operation. The section includes a description of operating controls, setting parameters and accessing the NEC bulletin board system (BBS).

Section 3   Troubleshooting and Repair, includes troubleshooting procedures. Section 4   Field Service Guidelines, provides disassembly and assembly procedures,

and an exploded-view diagram of the NEC Versa 6000 series system with part numbers. Appendix A   Connector Locations and Pin Assignments, provides a list of the main

board internal connector pin assignments and a list of external pin assignments. Appendix B   Video Modes, lists NEC Versa 6000 supported video modes. An Index is included for convenience.

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Contents

Preface........................................................................................................................ xi

Abbreviations .............................................................................................................. xiii

Section 1 Technical Information

Hardware Overview—Front ........................................................................................1-2

Liquid Crystal Display (LCD)............................................................................... 1-2

Power Button....................................................................................................... 1-3

Status Bar and Power Indicator............................................................................ 1-4

Status Icons................................................................................................... 1-4

Keyboard.............................................................................................................. 1-5

NEC VersaGlide................................................................................................... 1-6

iii

Diskette Drive and the NEC VersaBay II..............................................................1-7

Infrared (IR) Front Assembly................................................................................1-7

Hardware Overview—Right Side.................................................................................1-9

Hardware Overview—Left Side................................................................................... 1-10

PC Card Slots....................................................................................................... 1-10

Battery Compartment ........................................................................................... 1-11

Hardware Overview—Rear Side.................................................................................. 1-11

Keyboard/Mouse Port .......................................................................................... 1-11

Parallel Port (LPT1)............................................................................................. 1-11

Rear Infrared Port ................................................................................................ 1-12

Expansion Port..................................................................................................... 1-12

Monitor (Video) Port ........................................................................................... 1-12

Serial Port (COM 1)............................................................................................. 1-12

Hardware Overview—Internal Components.................................................................1-12

Battery Pack.........................................................................................................1-12

Hard Disk Drive ................................................................................................... 1-12

Diskette Drive ......................................................................................................1-13

6x CD-ROM Reader............................................................................................. 1-13

CPU Board...........................................................................................................1-13

Sound Board........................................................................................................ 1-14

I/O Board............................................................................................................. 1-15

Modem Board ......................................................................................................1-15

CMOS Battery ..................................................................................................... 1-16

Bridge Battery...................................................................................................... 1-16

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iv Contents

System Memory .......................................................................................................... 1-16

Memory Map........................................................................................................1-17

System Video..............................................................................................................1-17

Parallel Interface.......................................................................................................... 1-17

Serial Interface............................................................................................................ 1-18

NEC Versa 6000 Series Chip Set................................................................................. 1-18

Intel Pentium P54LM or P54CSLM...................................................................... 1-19

M-Triton System Controller ................................................................................. 1-19

256K X Flash ROM.............................................................................................. 1-19

ROM BIOS................................................................................................... 1-19

VGA Controller.................................................................................................... 1-20

Parallel Interface................................................................................................... 1-20

Keyboard Controller............................................................................................. 1-20

PCMCIA Controller............................................................................................. 1-20

Sound Integrated Circuit....................................................................................... 1-21

Interrupt Controllers............................................................................................. 1-21

Power Management Overview..................................................................................... 1-22

System Power Management..................................................................................1-23

Local Power Management.................................................................................... 1-23

Plug and Play...............................................................................................................1-24

Specifications ..............................................................................................................1-25

Section 2 Setup and Operation

Unpacking the System................................................................................................. 2-1

Hardware Setup .......................................................................................................... 2-1

Cable Connections................................................................................................ 2-2

Power Sources ............................................................................................................2-3

Using the AC Adapter .......................................................................................... 2-4

Using the Main Battery Pack ................................................................................2-4

Determining Battery Status............................................................................2-5

When to Change the Battery.......................................................................... 2-6

Battery Handling ...........................................................................................2-6

Replacing the Battery Pack............................................................................2-6

Battery Precautions ....................................................................................... 2-9

Recharging Battery Precautions.....................................................................2-9

NEC VersaBay II Battery and Adapter Kit .................................................... 2-10

Extending Battery Life................................................................................... 2-10

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Using the DC Car Adapter.................................................................................... 2-10

Operating Controls...................................................................................................... 2-11

Status Bar ............................................................................................................ 2-13

Status Icons................................................................................................... 2-13

Function Keys (Fn Keys) ...................................................................................... 2-14

Smart Power Switch............................................................................................. 2-14

Dip Switch ........................................................................................................... 2-14

Updating the System BIOS............................................................................ 2-15

Power-On Self-Test (POST)........................................................................................ 2-17

POST Errors ........................................................................................................2-18

Setup Utility................................................................................................................2-19

Accessing Setup ................................................................................................... 2-19

With an Error at POST.................................................................................. 2-19

Contents v

With No Errors at POST ...............................................................................2-19

Setup Screen ........................................................................................................2-20

Setup Keys.................................................................................................... 2-21

Changing/Setting Parameter Settings........................................................................... 2-21

Parameter Options.......................................................................................................2-22

Parameter Descriptions......................................................................................... 2-24

Time/Date ..................................................................................................... 2-24

Drives............................................................................................................ 2-24

Peripherals..................................................................................................... 2-25

Power Savings...............................................................................................2-25

Security.........................................................................................................2-26

Security Options..........................................................................................................2-26

Setting an Initial Password.................................................................................... 2-26

Using the System Password........................................................................... 2-27

Keyboard Lock..................................................................................................... 2-27

PowerPanel Overview ................................................................................................. 2-27

Automatic Power-Saving Features...............................................................................2-28

Section 3 Troubleshooting and Repair

Quick Troubleshooting................................................................................................ 3-1

Helpful Questions........................................................................................................ 3-4

Informational Messages............................................................................................... 3-4

Beep Codes................................................................................................................. 3-5

Explanation of Test Terms for Beep Code Table...................................................3-5

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vi Contents

Beep Codes for System Board Errors ................................................................... 3-5

Section 4 Field Service Guidelines

Preventive Maintenance...............................................................................................4-1

Cleaning the Notebook’s Exterior.........................................................................4-1

Cleaning the Notebook’s Interior..........................................................................4-2

Protecting the Disk Drives.................................................................................... 4-2

Handling the Battery Packs................................................................................... 4-3

Maintaining the LCD Quality................................................................................ 4-3

Required Tools and Equipment.................................................................................... 4-3

Disassembly and Reassembly ....................................................................................... 4-4

Hard Disk Drive ................................................................................................... 4-5

Diskette Drive ......................................................................................................4-7

Main Battery Pack (Li-Ion Type)..........................................................................4-8

LCD and Top Cover............................................................................................. 4-10

Power Button, IR Board, Keyboard...................................................................... 4-12

LCD Status Bar, VersaGlide Assembly, Metal Keyboard Support......................... 4-14

Bridge Battery, CMOS Battery, Buzzer................................................................ 4-15

CPU Board, Modem Board ..................................................................................4-16

Heat Shield, Sound Board, Microphone Assembly................................................ 4-17

I/O Board............................................................................................................. 4-18

Illustrated Parts Breakdown......................................................................................... 4-19

Service Information.....................................................................................................4-23

Technical Support ....................................................................................................... 4-23

Product Information.................................................................................................... 4-24

Ordering Information from FastFacts.......................................................................... 4-24

Appendix A Connector Locations and Pin Assignments

Appendix B Video Modes

List of Figures

1-1 NEC Versa 6000 Series Notebook................................................................. 1-1

1-2 LCD Panel..................................................................................................... 1-2

1-3 Power Button Location ................................................................................. 1-3

1-4 LCD Status Bar............................................................................................. 1-4

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1-5 Keyboard Layout........................................................................................... 1-5

1-6 VersaGlide Location...................................................................................... 1-6

1-7 NEC VersaBay II Location............................................................................ 1-7

1-8 Front I/R Assembly Location......................................................................... 1-8

1-9 Rear I/R Assembly Location .......................................................................... 1-9

1-10 Right Side Features........................................................................................ 1-10

1-11 Left Side Features.......................................................................................... 1-11

1-12 Rear Features ................................................................................................ 1-12

1-13 CPU Board Layout........................................................................................ 1-13

1-14 Sound Board Layout ..................................................................................... 1-14

1-15 I/O Board Layout.......................................................................................... 1-15

2-1 Connecting the AC Adapter........................................................................... 2-1

Contents vii

2-2 Powering on the System ................................................................................ 2-2

2-3 Power and I/O Connector Locations.............................................................. 2-3

2-4 NEC Versa 6000 AC Adapter........................................................................ 2-4

2-5 Removing the Cover...................................................................................... 2-7

2-6 Removing the Battery.................................................................................... 2-7

2-7 Inserting the Battery Pack.............................................................................. 2-8

2-8 Replacing the Cover ...................................................................................... 2-8

2-9 Connecting the Car DC Adapter .................................................................... 2-10

2-10 Keyboard Panel LEDs and Controls............................................................... 2-11

2-11 Right Side Panel Controls/Ports..................................................................... 2-11

2-12 Status Bar Location....................................................................................... 2-13

2-13 Locating the Switch Settings.......................................................................... 2-16

4-1 Removing the Drive Bay Cover ..................................................................... 4-5

4-2 Removing the Hard Disk Drive...................................................................... 4-6

4-3 VersaBay II Release Latches.......................................................................... 4-7

4-4 Removing the Standard Diskette Drive .......................................................... 4-8

4-5 Removing the Battery Compartment Cover.................................................... 4-9

4-6 Removing the Battery.................................................................................... 4-9

4-7 Removing the Bottom Base Screws............................................................... 4-10

4-8 Disconnecting the LCD Connectors............................................................... 4-11

4-9 Removing the Power Button, IR Board ......................................................... 4-12

4-10 Disconnecting the Keyboard Cables............................................................... 4-13

4-11 LCD Status Bar, VersaGlide Assembly, Metal Keyboard Support.................. 4-14

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viii Contents

4-12 Removing Bridge Battery, CMOS Battery and Buzzer................................... 4-15

4-13 Removing the CPU Board ............................................................................. 4-16

4-14 Heat Shield, Sound Board, Microphone Assembly......................................... 4-18

4-15 Removing the I/O Board................................................................................ 4-19

4-16 NEC Versa 6000 Illustrated Parts Breakdown ............................................... 4-20

A-1 CPU Board Layout........................................................................................ A-1

List of Tables

1-1 Model Configurations.................................................................................... 1-1

1-2 Memory Map................................................................................................. 1-17

1-3 NEC Versa 6000 Series Chip Types and Technologies................................... 1-18

1-4 Interrupt Controllers...................................................................................... 1-21

1-5 Automatic Power-Saving Features................................................................. 1-22

1-6 Maximum Performance Default Settings ........................................................ 1-24

1-7 Specifications ................................................................................................ 1-25

2-1 I/O Connector Descriptions ........................................................................... 2-3

2-2 Control and Switch Functions........................................................................ 2-12

2-3 FnKey Operations.......................................................................................... 2-14

2-4 POST Error Messages................................................................................... 2-18

2-5 Setup Key Functions...................................................................................... 2-21

2-6 Setup Parameters........................................................................................... 2-22

2-7 Automatic Power-Saving Features................................................................. 2-28

3-1 Quick Troubleshooting .................................................................................. 3-1

3-2 BIOS Informational Messages ....................................................................... 3-4

3-3 BIOS Beep Codes ......................................................................................... 3-6

4-1 NEC Versa 6000 Series Disassembly Sequence.............................................. 4-4

4-2 NEC Versa 6000 Series Field-Replaceable Parts............................................ 4-21

4-3 NEC Service and Information Telephone Numbers ........................................ 4-23

A-1 CPU Board Connectors................................................................................. A-2

A-2 Keyboard/Mouse Connectors......................................................................... A-2

A-3 Serial Port Connector Pin Assignments.......................................................... A-3

A-4 CRT Connector Pin Assignments................................................................... A-3

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A-5 Parallel Printer Pin Assignments..................................................................... A-4

A-6 Power Connector........................................................................................... A-4

A-7 Hard Disk Drive Connector ........................................................................... A-5

B-1 LCD Display Mode Setting (800x600 TFT Color LCD

& Simultaneous CRT Display ........................................................................ B-1

B-2 CRT Display Mode (CRT Only) .................................................................... B-3

B-3 Panning Video Mode (800x600 TFT Color LCD and

Simultaneous CRT Display............................................................................ B-4

Contents ix

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Abbreviations

xiii

A ampere AC alternating current AT advanced technology

(IBM PC) BBS Bulletin Board System BCD binary-coded decimal BCU BIOS Customized Utility BIOS basic input/output system bit binary digit b pi bits per inch b ps bits per second BUU BIOS Upgrade Utility C centigrade Cache high-speed buffer storage CA M constantly addressable memory CAS column address strobe CD-ROM compact disk-ROM CGA Color Graphics Adapter CGB Color Graphics Board CH channel clk clock cm centimeter CMOS complementary metal oxide

semiconductor COM communication CONT contrast CPGA ceramic pin grid array CPU central processing unit CRT cathode-ray tube DAC digital-to-analog converter DACK DMA acknowledge DC direct current DIP dual in-line package DLAB Divisor Latch Address bit DMA direct memory access DMAC DMA controller

DOS disk operating system DRAM dynamic RAM DTE data terminal equipment ECC error checking and correction EDS error detecting system EGA Enhanced Graphics Adapter EMS Expanded Memory

Specification EPP enhanced parallel port EPROM erasable and programmable

ROM EVGA Enhanced Video Graphics

Array F Fahrenheit FAX facsimile transmission FCC Federal Communications

Commission FG frame ground FM frequency modulation Fn Function FRU field-replaceable unit GB gigabyte GND ground HDD hard diskdrive HEX hexadecimal HGA Hercules Graphics Adapter Hz hertz IC integrated circuit ID identification IDE intelligent device electronics IDTR interrupt descriptor table

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xiv Abbreviations

IRR Interrupt Request register ISA Industry Standard Architecture ISR In Service register I/O input/output IPC integrated peripheral controller i ps inches per second IRQ interrupt request K kilo (1024) k kilo (1000) KB kilobyte kg kilogram kHz kilohertz kV kilovolt lb pound LDTR local descriptor table register LED light-emitting diode LSB least-significant bit LSI large-scale integration M mega mA milliamps max maximum MB megabyte MDA Monochrome Display Adapter MFM modified frequency modulation Mhz megahertz mm millimeter ms millisecond MSB most-significant bit NASC National Authorized Service

Center NC not connected NDP numeric data processor NMI Non-maskable Interrupt ns nanosecond NSRC National Service Response

Center PAL programmable array logic PC personal computer

PCB printed circuit board PFP plastic flat package PIO parallel input/output pixel picture element PJQFP plastic J-lead quad flat pack PLCC plastic lead chip carrier PL L phase lock loop p-p peak-to-peak PPI programmable peripheral

interface PROM programmable ROM QFP quad flat pack RAM random-access memory RAMDAC RAM digital-to-analog 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 SDLC Synchronous Data Link

Control SG signal ground SIMM single inline memory module SOIC small outline integrated circuit SQFP silver quad flat package SVGA Super Video Graphics Array SW switch TAC Technical Assistance Center TCP Thin chip package TQFP Thin-quad flat package TSC Technical Support Center TTL transistor/transistor logic

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tpi tracks per inch UART universal asynchronous

receiver/transmitter V volt Vdc volts, direct current VESA video electronics standards

association VFO variable frequency oscillator VGA Video Graphics Array VLSI very large-scale integration VRAM virtual RAM W watt µf microfarad

Abbreviations xv

µPD microprocessor µs microsecond Ω ohm

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Section 1

Technical Information

The NEC Versa 6000 Series notebook computers are lightweight, compact, and fully IBM compatible. This section focuses on system features. Refer to the NEC Versa 6000 Series User’s Guide for additional user information.

The NEC Versa 6000 Series notebook computers are available in the following models:

Table 1-1 Model Configurations

Configuration NEC Versa 6000H NEC Versa 6030H NEC Versa 6030X CPU Pentium

P54LM,100 MHz

On-Board DRAM

Video Memory

Hard Disk Drive

Color LCD

16 MB 16 MB 16 MB

2 MB 2 MB 2 MB

1.08 GB 1.35 GB 1.44 GB

11.3” SVGA TFT Color Display

Pentium P54CSLM,133 MHz

12.1” SVGA TFT Color Display

Pentium P54CSLM,133 MHz

12.1” XGA TFT Color Display

Figure 1-1 NEC Versa 6000 Series Notebook

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1-2 Technical Information

HARDWARE OVERVIEW—FRONT

Take a moment to become familiar with the location and function of controls located on the front of the system.

Liquid Crystal Display (LCD)

The LCD operates with the Chips & Technologies 65550 VGA controller. The controller supports Super VGA, uses a 64 bit accelerator and a PCI interface. The LCD also supports VESA timing.

Additional LCD panel features include built-in stereo speakers and a slide switch that adjusts screen brightness.

Figure 1-2 LCD Panel

The NEC Versa 6000 series computer features the following LCD types.

■ 11.3-inch SVGA TFT — active matrix Thin Film Transistor (TFT), Cold Cathode

Flourescent Tube (CCFT), Super VGA (SVGA) backlit color LCD, 0.29 mm dot pitch, 18-bit digital interface, 800 x 600 resolution and 256,000 colors.

■ 12.1-inch SVGA TFT — high resolution active matrix TFT, CCFT, SVGA,

backlit color LCD, 0.306 mm dot pitch, 18-bit digital interface, 800 x 600 resolution, 256,000 colors.

■ 12.1-inch Extended Graphics Array (XGA) TFT — high resolution active matrix

XGA color LCD, 0.24 mm dot pitch, 18-bit digital interface, 1024 x 768 resolution, 256,000 colors.

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In addition, the CRT port on the system's rear panel allows the user to connect an optional monochrome or color external display to the system. The computer supports the LCD and external display simultaneously.

Power-saving features for controlling the LCD's backlighting include the ROM-based hot key Fn F5, and Auto Setup power management settings. See Section 2, Setup and Operation, for information on using these settings. In addition, the automatic LCD status sense feature conserves the backlight. When the LCD is closed the backlight shuts off, saving battery power.

Power Button

Slide the power button to the right to power on and power off the computer. The power button is a “smart” switch, meaning that it recognizes when the system is in Suspend mode. If in Suspend mode, you cannot power off until you press the suspend button again to bring it out of Suspend mode.

Technical Information 1-3

Figure 1-3 Power Button Location

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1-4 Technical Information

Status Bar and Power Indicator

The status bar is situated right below the LCD. It provides an easy way to detect system status. Different graphic icons will appear on the LCD bar indicating that a device is accessed, an operation performed, or a power mode is activated. The graphic icons displayed on the LCD bar resembles either their physical characteristics or their primary function.

Also found just on the upper rightmost of the LCD Status Bar is the Power LED Indicator which activates (green color) whenever the computer’s power is on.

Figure 1-4 LCD Status Bar

Status Icons

The following list defines the status icons displayed in the system status bar.

■ Suspend — appears when the system is in Suspend mode. Suspend mode con-

serves system power by shutting down devices in the system while retaining data and system status.

■ Power Management — shows the current power management mode in use, in-

cluding Off, Low, High or Custom.

■ Diskette — appears when the NEC Versa writes data to or retrieves data from a

diskette.

■ Hard Disk — shows when the NEC Versa writes data to or retrieves data.

■ Caps Lock — appears when caps lock is in effect.

■ Scroll Lock — shows that scroll lock is in effect.

■ Num Lock — appears when Num Lock mode is active.

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■ Battery Status — displays the percentage of battery power available.

 Battery 1 appears when you have one or more batteries installed.  Battery 2 appears when you have an optional battery installed in the VersaBay

II.

Keyboard

The built-in, 83-key keyboard (U.S) or 79-key keyboard (UK and Germany) uses the standard QWERTY format. The keyboard provides 12 function keys and 8 cursor control keys, with an Fn key for ROM-based key functions. The numeric keypad is embedded in the standard key layout.

Technical Information 1-5

Figure 1-5 Keyboard Layout

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1-6 Technical Information

NEC VersaGlide

The NEC VersaGlide is a built-in mechanism that functions as the system’s mouse. It controls the on-screen pointer (cursor). To use the VersaGlide, move your finger across the NEC VersaGlide pad, and the cursor follows. The buttons on either side of the NEC VersaGlide allow the user to select or deselect menu items. Tap and double-tap are supported on the VersaGlide pad.

The NEC VersaGlide is the system's default pointing device unless a PS/2 mouse is installed. If an external mouse is installed, then the NEC VersaGlide is deactivated. A serial mouse is not supported.

Figure 1-6 VersaGlide Location

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Diskette Drive and the NEC VersaBay II

A standard 1.44-MB diskette drive comes installed in the VersaBay II slot on the front of the system. The VersaBay II expansion slot allows the user to replace the standard diskette drive with a number of different NEC options including a CD-ROM reader, a second battery pack, or an additional hard disk drive using the release latches on the bottom of the unit.

Technical Information 1-7

Figure 1-7 NEC VersaBay II Location

Infrared (IR) Front Assembly

The front IR assembly is connected to the I/O board via connectors P7. The rear IR assembly is discussed later in this section.

The front IR assembly consists of a small board with infrared LEDs. The board allows the NEC Versa 6000 series computer to communicate with other infrared-ready computers. For example, the infrared ports allow the user to transfer files between the NEC Versa and an IR-equipped desktop, or print to an IR-equipped printer without using cables.

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1-8 Technical Information

The computer ships with the rear IR assembly selected in Setup. If you need to use the front IR assembly, go into Setup to change the default setting to the front IR assembly. When the NEC Versa 6000 is docked to the optional NEC Versa Docking Station 6000, the rear IR assembly is automatically disabled, and the front enabled.

Figure 1-8 Front IR Assembly Location

Figure 1-9 Rear IR Assembly Location

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HARDWARE OVERVIEW—RIGHT SIDE

Review the following section for a description of the hardware on the right side of the NEC Versa 6000.

Technical Information 1-9

Figure 1-10 Right Side Features

■ Modem — NEC includes a 28.8 Kbps fax/voice/data modem with speakerphone

and answering machine support. Modem specifications are provided in the Specifications table at the end of this section.

■ Hard Disk Drive Bay and Cover Release Latch — The hard disk drive bay con-

tains the removable hard disk drive. Depending on the model, the system contains a 1-gigabyte (GB), 1.3-GB or 1.44-GB hard disk drive.

To access the hard disk drive, simply turn the system over and lift up the hard disk drive bay cover release latch while pushing the cover away from the system.

■ Kensington Lock — Gives the user the option to add an optional Kensington

Lock.

■ Volume Control — Controls speaker volume.

■ Headphones — Connects external headphones or speakers to the NEC Versa

6000. Plugging in headphones disables the built-in system speakers.

■ Line-Out — Lets the NEC Versa 6000 act as an input source for another audio

system. Connect this port to a Line-In port on another audio system to play or record.

■ Line-In — Use a cable to connect to the Line-Out port on the other audio system

to record or play.

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1-10 Technical Information

■ Microphone (MIC) — Connects an external microphone for monophonic record-

ing or amplification through the unit. Plugging in an external microphone disables the built-in microphone.

■ 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 car adapter.

HARDWARE OVERVIEW—LEFT SIDE

Review the following section for a description of the hardware on the left side of the NEC Versa 6000.

Figure 1-11 Left Side Features

PC Card Slots

The PCMCIA slot compartment houses two card slots that support two PCMCIA Type II devices or one Type III device. For Type III cards, insert into the upper slot. Insert the card with the pin sockets facing towards the drive and the label facing up. To remove the PCMCIA card, push on the eject button to release the pin connections and slowly pull out the card.

The NEC Versa 6000 Series also comes with DOS/Windows PCMCIA drivers for supporting various PCMCIA cards like modem cards, network cards.

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Battery Compartment

The battery compartment houses the rechargeable Lithium Ion (Li-Ion) battery pack. The battery pack instantly charges whenever you connect the AC adapter to the notebook. It is very important to always have the battery installed in the notebook to insure that it is continuously charged. If the battery pack is uninstalled for a long period of time, the battery cells are drained, causing battery pack to deteriorate.

HARDWARE OVERVIEW—REAR SIDE

Review the following section for a description of the hardware on the rear of the NEC Versa 6000.

Technical Information 1-11

Figure 1-12 Rear Features

Keyboard/Mouse Port

Use the standard PS/2 port to connect an external PS/2-style mouse or a PS/2-style keyboard to the system. With an optional Y-cable adapter, you can connect both a mouse and a keyboard at the same time.

Parallel Port (LPT1)

The 25-pin printer port provides a parallel interface to which you can connect a parallel printer or pocket network adapter. Use this port to connect a parallel printer or other parallel device. The port is an Enhanced Parallel Port (EPP). The EPP standard provides you with a greater processing speed than the conventional parallel port. It also supports bidirectional and uni-directional protocols.

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1-12 Technical Information

Rear Infrared Port

This port lets you transfer files between your NEC Versa and an IR-equipped desktop or notebook computer. You can also print to an IR-equipped printer without using cables.

Expansion Port

This port provides a connection for NEC Versa 6000 options including the NEC PortBar 6000 and NEC Versa Docking Station 6000.

Monitor (Video) Port

Use this 15-pin port to attach an external monitor to your NEC Versa. You can run the LCD display and the external monitor simultaneously or run either alone.

Serial Port (COM 1)

The 9-pin serial port provides a serial interface to which you can connect an RS-232C device such as external serial pointing device or modem.

HARDWARE OVERVIEW—INTERNAL COMPONENTS

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

Battery Pack

The system uses a rechargeable lithium-ion (Li-Ion) battery as its transient power source. The battery pack installs in the compartment next to the standard diskette drive on the bottom of the Versa 6000. The battery uses 14.4 volts with a 2600 mAh capacity.

The battery pack powers the NEC Versa 6000 for approximately 2 to 4 hours. In addition, the user detects how much battery power is available via the percentage displayed on the status bar.

When battery power is getting low, connect the AC adapter to a wall outlet and recharge the battery. It takes 2.5 to 7 hours to recharge the battery.

Hard Disk Drive

A standard 2.5-inch 1 GB, 1.35 GB or 1.44 GB hard disk drive ships with the system, (depending on the model). The drive is user-upgradeable to 1.44 GB. Or, using the VersaBay II slot, the system is upgradeable to 2.88 GB.

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Diskette Drive

The interchangeable 3.5-inch 1.44 MB diskette drive installs in the front of the system in the VersaBay II slot.

6x CD-ROM Reader

The interchangeable six-speed CD-ROM reader features the latest in CD-ROM technology. It installs in the front of the system in the VersaBay II slot. The CD-ROM reader is assigned to the next available drive letter. The CD-ROM reader operates at different speeds depending on whether the CD in use contains data or music. This improves video and sound quality.

CPU Board

The (100 MHz or 133 MHz) CPU board (G8UUR, G8UURB) is an L-shaped board situated next to the audio ports. In addition to the CPU, this board houses the front and rear IR assemblies. It controls important functions including power management.

Technical Information 1-13

Figure 1-13 CPU Board Layout

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1-14 Technical Information

Sound Board

The sound board (G8UUT) provides the NEC Versa 6000 series system with its audio capabilities via line-in/line-out jacks, and headphone/microphone jacks. It is situated on top of the I/O board.

Figure 1-14 Sound Board Layout

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I/O Board

The I/O board (G8WKP) contains peripheral subsystems including serial, parallel and video ports. It is located underneath the sound board.

Technical Information 1-15

Figure 1-15 I/O Board layout

Modem Board

The 28.8 kilobytes per second (Kbps) data/fax/voice modem board attaches to the bottom of the CPU board via connectors P1 and P2. The internal modem transmits data at a rate of 28,000 bits-per-second, integrating built-in error control.

The modem provides one standard phone connector, and one cellular phone connector for transforming the notebook into a speakerphone. NEC provides two analog phone cables (one is a spare) for convenience.

The built-in modem is also cellular-capable. To use the computer’s cellular phone connector, the user needs to purchase a cellular phone cable from a computer store. Supported cellular phones include:

■ NEC P100 Series

■ NEC P700 Series

■ Motorola MicroTAC

■ AT&T 3610.

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1-16 Technical Information

CMOS Battery

The lithium battery (3.0 Volts, 280 mAh capacity) is attached to P13 on the CPU board. It 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 like date, time, drives, and memory. The CMOS battery lasts approximately two years.

Bridge Battery

The bridge battery saves the memory contents and system status for up to 5 minutes while in Suspend mode. It is connected to the CPU board via connector P15. The AC adapter maintains voltage in the bridge battery when the system is powered on or off. The bridge battery provides 6 Volts, 60 mAH.

System Memory

The system board provides 16-MB of standard random access memory (RAM).

Optional memory boards with a value of 8-, 16-, 32- or 64MB can be added to increase system memory up to a maximum of 80-MB (70 ns Fast Page access). In addition, 256 KB of read-only memory (ROM), 1 x 28F020, enables the system BIOS to be flashed.

The system provides 2 MB of video RAM (60 ns HyperPage mode, self-refresh).

Cache RAM is available with L1 write-back access support providing 8 KB for code, 8 KB for data. L2 write-back access support providing 256 KB.

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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. Table 1-2 lists the system's memory map.

Table 1-2 Memory Map

Memory Space Size Function

00000000h-0009FFFFh 640 KB Base Memory 000A0000h-000AFFFFh 64 KB Video Memory (graphics) 000B0000h-000B7FFFh 32 KB Upper Memory Block (UMB) 000B8000h-000BFFFFh 32 KB Video Memory (text) 000C0000h-000C9FFFh 40 KB Video BIOS

Technical Information 1-17

000CA000h-000CFFFFh 24 KB Upper Memory Block (UMB) 000D0000h-000DFFFFh 64 KB PCMCIA Window (available as UMB in Windows '95) 000E0000h-000E7FFFh 32 KB Upper Memory Block (option cards or UMB) 000E8000h-000EFFFFh 32 KB Upper Memory Block (UMB only) 000F0000h-000FFFFFh 64 KB System BIOS ROM 00100000h-02FFFFFFh 47 MB Extended Memory

SYSTEM VIDEO

The system's LCD operates using the Chips and Technologies 65550 VGA Controller. Video signals travel from the controller through the system's 15-pin D-SUB connector using 5 volts.

System video integrates a PCI-bus interface. The system ships with 2 MB Video RAM (VRAM). It also supports video modes up to 1024 x 768 with 256 colors in CRT mode.

See Appendix B for a list of Video modes.

PARALLEL INTERFACE

The system's parallel interface integrates National Semiconductor’s PC87338 chip. It uses a 25-pin D-subconnector. The port is located on the system's rear panel.

The modes of operation available for a PC87338 chip are

■ compatibility mode

■ nibble mode

■ byte mode

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1-18 Technical Information

■ Enhanced Capabilitied Port (ECP)

■ Enhanced Parallel Port (EPP).

The user selects between three parallel interface modes using Auto Setup. These include unidirectional, bidirectional or enhanced. Unidirectional mode sends data output from the standard ISA port only. Bidirectional mode sends data using the standard ISA port or PS/2 technology. Enhanced mode enables high speed data transmission to occur using either the unidirectional or bidirectional modes.

The parallel port address is 378h and the interrupt level is IRQ07. Pin locations for the parallel interface are listed in Appendix A.

SERIAL INTERFACE

The RS-232C serial port is a 9-pin connector on the system’s rear panel. The serial port consists of a 16550 compatible serial port controller with a programmable baud rate up to 115,200 bps. The serial port connects an RS-232C device or an external modem. The serial port address is 3F8h and the interrupt level is IRQ04.

NEC VERSA 6000 SERIES CHIP SET

Refer to Table 1-3 for a quick summary of the chip types used in the system. See the Abbreviations section at the beginning of this manual for a translation of chip technologies.

Table 1-3

Chip Manufacturer Description Technology

Intel Pentium P54LM Intel 100-MHz CPU 320-pin TCP Intel Pentium P54CSLM Intel 133 MHz CPU 320-pin TCP 82438MX (MTDP) Intel M-Triton Data Path

82437MX (MTSC) Intel M-Triton System Controller 208-pin SQFP 82371MX (MPIIX) Intel M-PCI IDE ISA Xcelerator 176-pin TQFP N28F020-150 Intel 256k x 8 Flash ROM 32-pin PLCC C&T 65550 Chips &

PC87338VLJ National

NEC Versa 6000 Series Chip Types and Technologies

100-pin QFP

Controller

VGA Controller 208-pin FQFP

Technologies

Semiconductor

Diskette Controller, IDE, Parallel Interface

100-pin QFP

M38813E4HP Mitsubishi Keyboard Controller 64-pin TQFP PCI1130 Texas Instruments PCMCIA Controller 208-pin VQFP

ViBRA 16S CT2504TCQ

Creative Technology

Sound Integrated Circuit 100-pin PQFP

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