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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 Computer Systems Division, Packard Bell NEC, Inc. (NECCSD, PBNEC) and/or its licensors. NECCSD and/or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights to this document, including all design, manufacturing, reproduction, use, and sales rights thereto, except to the extent said rights are expressly granted to others. The NECCSD 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 NECCSD. To allow for design and specification improvements, the information in this document is subject to change at any time, without notice. Reproduction of this document or portions thereof without prior written approval of NECCSD is prohibited.
FaxFlash is a service mark of NEC Computer Systems Division (NECCSD), Packard Bell NEC, Inc. NEC is a registered trademark, Versa is a U.S. registered trademark, MiniDock, VersaBay, VersaGlide, and PortBar are trademarks, and UltraCare is a U.S. registered service mark of NEC Corporation, used under license. All other product, brand, or trade names used in this publication are the property of their respective owners.
First Printing -- September 1997 Copyright 1997 NEC Computer Systems Division, Packard Bell NEC, Inc. 1414 Massachusetts Avenue Boxborough, MA 01719 All Rights Reserved
xi
Preface
This service and reference manual contains the technical information necessary to set up and maintain the NEC Versa® 6060 notebook computer. The manual also provides hardware and interface information for users who need an overview of the system design. The manual is written for NEC-trained customer engineers, system analysts, service 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 NECCSD bulletin board system (BBS). Section 3 Troubleshooting, lists troubleshooting procedures as well as helpful servicing hints. Section 4 Field Service Guidelines, provides disassembly and assembly procedures, and an exploded-view diagram of the NEC Versa 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 supported video modes. An Index is included for convenience.
xiii
Abbreviations
ampere alternating current advanced control power interface APM advanced power management 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 bpi bits per inch bps bits per second BUD BIOS Upgrade Diskette C Celsius or centigrade Cache high-speed buffer storage CAM constantly addressable memory CAS column address strobe CCFT cold cathode CD-ROM compact disk ROM CGA Color Graphics Adapter CGB Color Graphics Board CH channel clk clock cm centimeter CMOS complementary metal oxide semiconductor codec compressor/decompressor 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 A AC ACPI DC DIMM DIP DLAB DMA DMAC DOS DRAM DTE ECC ECP EDO EDS EGA EMS EPP EPROM EVGA F FAX FCC FDD FG FIR FM Fn FPU FRU GB GND GUI HDD direct current dual-inline memory module dual in-line package Divisor Latch Address bit direct memory access DMA controller disk operating system dynamic RAM data terminal equipment error checking and correction extended capabilities port enhanced date out error detecting system Enhanced Graphics Adapter Expanded Memory Specification enhanced parallel port erasable and programmable ROM Enhanced Video Graphics Array Fahrenheit facsimile transmission Federal Communications Commission floppy disk drive frame ground fast infrared frequency modulation function floating-point unit field-replaceable unit gigabyte ground graphical user interface hard disk drive
xiv
Abbreviations
HEX HGA Hz IC ID IDE IDTR IMR in. INTA IPB IR IRR ISA ISR I/O IPC ips IRQ K k KB kg kHz kV lb LCD LDTR LED LSB LSI M mA max MB MDA
hexadecimal Hercules Graphics Adapter hertz integrated circuit identification intelligent device electronics interrupt descriptor table register Interrupt Mask register inch interrupt acknowledge illustrated parts breakdown infrared Interrupt Request register Industry Standard Architecture In Service register input/output integrated peripheral controller inches per second interrupt request kilo (1024) kilo (1000) kilobyte kilogram kilohertz kilovolt pound liquid crystal display local descriptor table register light-emitting diode least-significant bit large-scale integration mega milliamps maximum megabyte Monochrome Display Adapter
modified frequency modulation megahertz millimeter millisecond most-significant bit National Authorized Service Center NC not connected NDP numeric data processor NMI Non-maskable Interrupt ns nanosecond NSRC National Service Response Center NTFS NT file allocation PAL programmable array logic PC personal computer PCB printed circuit board PCI peripheral component interconnect PFP plastic flat package PIO parallel input/output pixel picture element PJQFP plastic J-lead quad flat pack PLCC plastic lead chip carrier PLL phase lock loop p-p peak-to-peak PnP Plug and Play 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
MFM Mhz mm ms MSB NASC
Abbreviations
xv
R RTC R/W S SCSI SDLC SG SIMM SIR SOIC SQFP SVGA SW TCP TFT TQFP TSC TTL tpi UART USB V Vdc VESA VFO VGA VLSI VRAM W µf µPD µs
read real-time clock read/write slave Small Computer System Interface Synchronous Data Link Control signal ground single inline memory module serial infrared small outline integrated circuit silver quad flat package Super Video Graphics Array switch thin chip package thin film transistor thin-quad flat package Technical Support Center transistor/transistor logic tracks per inch universal asynchronous receiver/transmitter Universal Serial Bus volt volts, direct current Video Electronics Standards Association variable frequency oscillator Video Graphics Array very large-scale integration virtual RAM watt microfarad microprocessor microsecond ohm
iii
Contents
Preface......................................................................................................................... xi Abbreviation ................................................................................................................ xiii
Section 1 Technical Information
Hardware Overview--Front.........................................................................................1-2 Liquid Crystal Display (LCD)................................................................................1-2 Power Button .......................................................................................................1-3 LCD Status Bar and Power Indicator ....................................................................1-4 Status Icons ...................................................................................................1-5 Keyboard ..............................................................................................................1-5 NEC VersaGlide ...................................................................................................1-6 Diskette Drive and the NEC VersaBay II ..............................................................1-7 Infrared (IR) Assembly..........................................................................................1-7 Hardware Overview--Right Side .................................................................................1-8 Hardware Overview--Left Side ...................................................................................1-9 PC Card Slots .......................................................................................................1-9 Battery Bay Cover Release....................................................................................1-9 Hardware Overview--Rear Side ..................................................................................1-10 Keyboard/Mouse Port ...........................................................................................1-10 Parallel Port (LPT1)..............................................................................................1-10 Expansion Port .....................................................................................................1-11 External Monitor (Video) Port ..............................................................................1-11 Serial Port (COM1) ..............................................................................................1-11 Hardware Overview--Internal Components .................................................................1-11 Battery Pack .........................................................................................................1-11 Hard Disk Drive....................................................................................................1-11 Diskette Drive.......................................................................................................1-12 Versa Bay II SuperDisk LS-120 Drive ..................................................................1-12 20X CD-ROM Reader ..........................................................................................1-12 CPU Board ...........................................................................................................1-12 Audio Board .........................................................................................................1-13 AMP Board ..........................................................................................................1-14 I/O Board .............................................................................................................1-14 CMOS Battery......................................................................................................1-14 Bridge Battery ......................................................................................................1-14
iv
Contents
System Memory...........................................................................................................1-14 Memory Map ........................................................................................................1-14 System Video...............................................................................................................1-15 Parallel Interface ..........................................................................................................1-15 Serial Interface.............................................................................................................1-16 NEC Versa Chip Set ....................................................................................................1-16 Intel Pentium P55CLM Microprocessor ................................................................1-17 M-Triton System Controllers ................................................................................1-17 256K X Flash ROM ..............................................................................................1-17 ROM BIOS....................................................................................................1-17 VGA Controller ....................................................................................................1-18 Parallel Interface ...................................................................................................1-18 Keyboard Controller .............................................................................................1-18 PC CardBus Controller .........................................................................................1-19 Sound Integrated Circuit .......................................................................................1-19 Interrupt Controllers .............................................................................................1-20 Power Management Overview .....................................................................................1-21 System Power Management ..................................................................................1-22 Local Power Management.....................................................................................1-22 Plug and Play...............................................................................................................1-23 Specifications...............................................................................................................1-24
Section 2 Setup and Operation
Unpacking the System..................................................................................................2-1 Hardware Setup ...........................................................................................................2-1 Cable Connections ................................................................................................2-3 Power Sources.............................................................................................................2-4 Using the AC Adapter...........................................................................................2-4 Using the Main Battery Pack.................................................................................2-5 Checking Battery Power Levels......................................................................2-5 What to Do When Battery Power Gets Low...................................................2-5 Returning the Battery to Full Operation..........................................................2-6 When to Change the Battery ..........................................................................2-6 Battery Handling ............................................................................................2-6 Replacing the Battery Pack ............................................................................2-7 Battery Precautions........................................................................................2-10 Recharging Battery Precautions......................................................................2-10
Contents
v
NEC VersaBay II Battery and Adapter Kit (Optional) ...........................................2-11 Extending Battery Life ..........................................................................................2-11 Using the DC Car Adapter ....................................................................................2-11 Operating Controls ......................................................................................................2-12 Status Bar .............................................................................................................2-13 Status Icons ...................................................................................................2-13 Function Keys (Fn Keys).......................................................................................2-14 Smart Power Switch .............................................................................................2-14 Dip Switch............................................................................................................2-15 Updating the System BIOS ............................................................................2-15 Customizing BIOS Message...........................................................................2-17 Power-on Self-Test (POST).........................................................................................2-17 POST Errors.........................................................................................................2-18 Setup Utility ................................................................................................................2-19 Accessing Setup....................................................................................................2-20 With an Error at POST ..................................................................................2-20 With No Errors at POST................................................................................2-20 Setup Utility Main Menu.......................................................................................2-20 How to Use Setup..........................................................................................2-21 Looking at Screens ........................................................................................2-21 Using Keys.....................................................................................................2-22 Checking/Setting System Parameters..............................................................2-22 Setup Menus.........................................................................................................2-25 Standard CMOS Setup...................................................................................2-27 Advanced CMOS Setup .................................................................................2-26 Power Management Setup Power Management Setup ....................................2-26 Peripherals Setup ...........................................................................................2-28 Change User Password...................................................................................2-28 Change Supervisor .........................................................................................2-28 Auto Configuration with Defaults...................................................................2-28 Save Setting and Exit .....................................................................................2-28 Exit Without Saving.......................................................................................2-29 Using Setup to Set Power Management ................................................................2-29 Using the Save to File (STF) Feature..............................................................2-29 STF Benefits ..................................................................................................2-30 Automatic Power-Saving Features ........................................................................2-31
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Contents
Section 3
Troubleshooting
Quick Troubleshooting ................................................................................................3-1 Helpful Questions ........................................................................................................3-4
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, Microphone Assembly, Keyboard ..................................................4-12 LCD Status Bar, VersaGlide Assembly, Metal Keyboard Supports........................4-14 Bridge Battery, CMOS Battery, Buzzer ................................................................4-15 CPU Board ...........................................................................................................4-16 AMP Board ..........................................................................................................4-17 I/O Board .............................................................................................................4-17 Illustrated Parts Breakdown.........................................................................................4-18 Service Information......................................................................................................4-22 Technical Support ........................................................................................................4-22 Product Information.....................................................................................................4-23 Ordering Information from FaxFlash ............................................................................4-24
Appendix A Connector Locations and Pin Assignments
Appendix B Video Modes
Index
Contents
vii
List of Figures 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 1-11 1-12 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 2-13 2-14 4-1 4-2 4-3 4-4 4-5 4-6 4-7 4-8 NEC Versa 6060 Notebook ........................................................................... LCD Panel ..................................................................................................... Power Button Location.................................................................................. System Status Bar .......................................................................................... Keyboard Layout ........................................................................................... VersaGlide Location ...................................................................................... NEC VersaBay II Location ............................................................................ Right Side Features ........................................................................................ Left Side Features .......................................................................................... Rear Features................................................................................................. CPU Board Layout ........................................................................................ Audio Board Layout ...................................................................................... Connecting the AC Adapter ........................................................................... Powering on the System................................................................................. Power and I/O Connector Locations .............................................................. NEC Versa AC Adapter................................................................................. Removing the Cover ...................................................................................... Removing the Battery .................................................................................... Inserting the Battery Pack .............................................................................. Replacing the Cover....................................................................................... Connecting the Car DC Adapter..................................................................... Keyboard Panel LEDs and Controls ............................................................... Status Bar Location ....................................................................................... Dip Switch Location ...................................................................................... Setup Main Menu........................................................................................... Advanced CMOS Setup Menu ....................................................................... Removing the Drive Bay Cover...................................................................... Removing the Hard Disk Drive ...................................................................... VersaBay II Release Latches .......................................................................... Removing the Standard Diskette Drive........................................................... Removing the Battery Compartment Cover .................................................... Removing the Battery .................................................................................... Removing the Bottom Base Screws................................................................ Disconnecting the LCD Connectors ............................................................... 1-1 1-3 1-4 1-4 1-6 1-6 1-7 1-8 1-9 1-10 1-12 1-13 2-1 2-2 2-3 2-4 2-8 2-8 2-9 2-9 2-11 2-12 2-13 2-16 2-21 2-22 4-5 4-6 4-7 4-8 4-9 4-9 4-10 4-11
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Contents
4-9 4-10 4-11 4-12 4-13 4-14 4-15 A-1 A-2
Removing the Power Button, Microphone Assembly, Keyboard ..................... Disconnecting Keyboard Cables ..................................................................... LCD Status Bar, VersaGlide Assembly, Metal Keyboard Supports................. Bridge Battery, CMOS Battery, Buzzer ......................................................... Removing the CPU Board.............................................................................. Removing the I/O Board ................................................................................ NEC Versa Model 6060 Illustrated Parts Breakdown.....................................
4-12 4-13 4-14 4-15 4-16 4-18 4-26
CPU Board Layout ........................................................................................ A-1 I/O Board Layout........................................................................................... A-2
List of Tables 1-1 1-2 1-3 1-4 1-5 1-6 1-7 2-1 2-2 2-3 2-4 2-5 2-6 3-1 4-1 4-2 4-3 A-1 A-2 A-3 A-4 Model Configurations .................................................................................... Memory Map ................................................................................................. NEC Versa Series Chip Types and Technologies............................................ Interrupt Controllers ...................................................................................... Automatic Power-Saving Features ................................................................. Maximum Performance Default Settings......................................................... Specifications................................................................................................. I/O Connector Descriptions............................................................................ Control and Switch Functions ........................................................................ Fn Key Operations ......................................................................................... POST Error Messages.................................................................................... Setup Key Functions ...................................................................................... Setup Parameters ........................................................................................... 1-2 1-15 1-16 1-20 1-21 1-23 1-24 2-3 2-12 2-14 2-18 2-22 2-22
Quick Troubleshooting................................................................................... 3-1 NEC Versa 6060 Series Disassembly Sequence .............................................. 4-4 NEC Versa 6060 Series Field-Replaceable Parts............................................. 4-20 NEC Service and Information Telephone Numbers......................................... 4-22 CPU Board Connectors.................................................................................. I/O Board Connectors.................................................................................... Keyboard/Mouse Connectors ......................................................................... Serial Port Connector Pin Assignments .......................................................... A-2 A-2 A-3 A-3
Contents
ix
A-5 A-6 A-7 A-8 B-1 B-2 B-3 B-4 B-5
CRT Connector Pin Assignments ................................................................... Parallel Printer Pin Assignments ..................................................................... Power Connector ........................................................................................... Hard Disk Drive Connector............................................................................ LCD Display Mode Setting (800x600 TFT Color LCD and Simultaneous CRT Display) ....................................................................... LCD Display Extended Video Mode .............................................................. CRT Display Mode (CRT only)...................................................................... CRT Display Extended Video Mode .............................................................. Panning Video Mode (800x 600 TFT Color LCD and Simultaneous CRT Display) .......................................................................
A-4 A-4 A-5 A-5
B-1 B-2 B-3 B-4 B-4
Section 1
Technical Information
The NEC Versa 6060 notebook computer is lightweight, compact, and fully IBM compatible. This is the latest addition to the NEC Versa family.
This service manual covers only the NEC Versa 6060 model. All figures in this manual reflect this model.
NOTE
Figure 1-1
NEC Versa 6060 Notebook
This section of the manual provides system configuration information, including an overview of hardware and interface components. See the following table for a systems specific breakdown of hardware.
1-2
Technical Information
Table 1-1
FEATURE CPU
Model Configurations
NEC Versa 6060 Intel Pentium® with MMX Technology P55CLM/166 MHz 16-MB 2-MB included in video chip 2.1 GB or 3.2 GB 20X CD ROM Reader 3 ½" 1.44MB 120MB 12.1" CCFT Super VGA(SVGA),TFT Color Display
On-Board DRAM Video Memory Hard Disk Drive CD-ROM Reader FDD or SuperDisk LS-120 Color LCD
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 NeoMagic NMG4 VGA controller. The controller supports XGA, uses a 64-bit accelerator with a Peripheral Component Interconnect (PCI) interface. The NEC Versa 6060 LCD features the following:
T 12.1-inch Thin Film Transistor (TFT) CCFT Super VGA (SVGA) single-backlite
color
T 0.306 mm dot pitch T 16-bit digital interface T 800 x 600 resolution T 64K colors.
Additional LCD panel features: T Power LED that indicates the current power status. This LED is visible with the LCD panel opened or closed.
T Slide switch that adjusts screen brightness.
Technical Information
1-3
Figure 1-2
LCD Panel
Another video feature includes a CRT port on the system's rear panel that allows the user to connect an optional monochrome or color external display to the system. The computer can support the LCD and external display simultaneously. Power-saving features for controlling the LCD's backlighting include the ROM-based hot key combination 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 feature conserves the backlight. When the LCD is closed the backlight shuts off automatically, 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 the system out of Suspend mode.
1-4
Technical Information
Figure 1-3
Power Button Location
LCD Status Bar and Power Indicator
The LCD status bar is situated right below the LCD screen. It provides an easy way to detect system status. Different graphic icons appear on the LCD bar indicating that a device is accessed, an operation performed, or a power mode activated. The graphic icons displayed on the LCD bar resemble either their physical characteristics or their primary function. See the LCD Status Bar figure shown next, and the descriptions that follow for the specific meaning of each icon. The power indicator is located just above and to the right of the status bar. The power indicator lights green when computer power is on, blinks green when in Suspend mode and blinks amber to indicate that the battery power is low.
Figure 1-4
System Status Bar
Technical Information
1-5
Status Icons
The following list defines the status icons displayed in the system status bar.
T Suspend -- appears when the system is in Suspend mode. Suspend mode conserves system power by shutting down devices in the system while retaining data and system status.
T Power Management -- shows the current power management mode in use, including Off, Custom, High Performance or Longest Life.
T Diskette or Versa Bay II SuperDiskTM LS-120 drive -- appears when the NEC
Versa writes data to or retrieves data from a diskette.
T Hard Disk -- shows when the NEC Versa writes data to or retrieves data from
the hard disk.
T Caps Lock -- appears when Caps Lock is in effect. T Scroll Lock -- shows that Scroll Lock is in effect. T Num Lock -- appears when Num Lock is in effect. Num Lock lets the user enter
numbers for calculations via the numeric keypad.
T Battery Status -- displays the total percentage of battery power available.
Battery 1 appears when you have the main battery installed in the battery bay. 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 7 cursor control keys, with an Fn key for ROM-based key functions. The numeric keypad is embedded in the standard key layout.
1-6
Technical Information
Figure 1-5
Keyboard Layout
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 below the NEC VersaGlide allow the user to select or deselect menu items. Tap and double-tap are supported on the VersaGlide pad. If an external mouse is installed, the NEC VersaGlide is deactivated. A serial mouse is not supported.
Figure 1-6
VersaGlide Location
Technical Information
1-7
Diskette Drive, CD-ROM Reader and the NEC VersaBay II
A standard 1.44-MB diskette drive or Versa Bay II SuperDiskTM LS-120 drive comes installed in the VersaBay II slot on the front of the computer. The VersaBay II expansion slot lets the user replace the standard diskette drive with the 20X CD-ROM reader that also ships with the system. In addition to the CD-ROM reader, the VersaBay II accepts NEC options including a second battery pack, or an additional hard disk.
Figure 1-7
NEC VersaBay II Location
Infrared (IR) Assembly
The IR assembly consists of a small board with one infrared LED and one pin photo diode, attached to the CPU board. The board allows the NEC Versa computer to communicate with other infrared-ready computers. For example, the infrared port allows the user to transfer files between the NEC Versa and an IR-equipped computer, or print to an IRequipped printer without using cables.
Do not use the IR port directly under fluorescent or incandescent light.
NOTE
1-8
Technical Information
HARDWARE OVERVIEW--RIGHT SIDE
Review the following section for a description of the hardware on the right side of the NEC Versa.
Figure 1-8
Right Side Features
T Volume Control -- Allows you to control the speaker volume. T Headphones/Line-Out -- Lets you connect external headphones, speakers or
audio system to your NEC Versa system. Using this port disables the built-in system speakers.
T Line-In -- Lets you use another audio system, like a home stereo, as an input
source. Use a the cable to connect to the Line-Out port on the other audio system to record or play.
T Microphone (MIC) -- Allows you to connect an external microphone for
monophonic recording or amplification through the unit. Plugging in an external microphone disables the built-in microphone.
T Hard Disk Drive Bay Cover -- The hard disk drive bay contains the removable
hard disk drive. Depending on your NEC Versa's configuration, it contains a 2.1-GB hard disk drive or 3.2-GB hard disk drive.
T Kensington Lock Connection -- Lets you provide added security by installing
an optional Kensington Lock.
T USB Port -- The Universal Serial Bus (USB) allows the connection of up to
127 peripheral devices (printers, monitors, scanners, etc.) to your NEC Versa.
T Fan Exhaust Port -- This port provides air flow from the interior of the computer to assist in keeping the system running at optimal performance.
Technical Information
1-9
!
CAUTION
Always keep the fan vents clear to allow proper system cooling.
T 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.
Figure 1-9
Left Side Features
PC Card Slots
The PC card slot compartment houses two Type II devices, or one Type III device. For Type III cards, insert the PC card into the lower slot. Insert the card with the pin sockets facing towards the drive and the label facing up. To remove the PC card, push on the eject button to release the pin connections and slowly pull out the card.
Battery Bay Cover Release
The battery compartment houses the rechargeable Lithium Ion (Li-Ion) battery pack. The battery pack instantly start to charge 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 the battery pack to deteriorate.
1-10
Technical Information
The battery bay contains an eight-cell Lithium Ion (Li-Ion) battery that lets you run your system on DC power.
HARDWARE OVERVIEW--REAR SIDE
Review the following section for a description of the hardware on the rear of the NEC Versa.
Figure 1-10
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. A serial mouse is not supported.
Parallel Port (LPT1)
The 25-pin printer port provides a parallel interface to which you can connect a parallel printer, pocket network adapter or storage devices. Use this port to connect a parallel printer or other parallel device. The port is IEEE 1284 compatible. It supports bi-directional (AT) mode, Enhanced Capabilities Port (ECP) mode, Enhanced Parallel Port (EPP) mode, (365SL-compatible), nibble mode, and byte mode (PS/2). The parallel port default is Extended Capabilities Port (ECP) mode. Use Setup to change the default to one of the following.
T Uni-directional T Bi-directional T EPP T ECP
Technical Information
1-11
Expansion Port
This port provides a connection for NEC Versa options including the NEC PortBar 6000, NEC Versa Docking Station 6000 Plus, NEC Versa MiniDock 6000 and the NEC Floppy Disk Drive (FFD) Connector.
External 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 (COM1)
The 9-pin serial port provides a serial interface to which you can connect an RS-232C device such as an external serial printer or modem. A serial mouse is not supported.
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 VersaBay II on the bottom of the NEC Versa. The battery stores 14.4 volts with a 2600 mAh capacity. The battery pack powers the NEC Versa for approximately 2 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 approximately 2 hours to recharge the battery whether or not the system is in use. When battery power is very low, the power LED flashes amber.
Hard Disk Drive
A standard 2.5-inch 2.1-GB or 3.1-GB hard disk drive ships with the system. The 2.1-GB hard disk drive specifications are listed next.
T T T T T
Track-to-track seek rate Average seek time Revolutions per minute Data transfer rate Internal data rates
4 ms 13 ms (read) 14 ms (write) 4000 16.6 MB/sec 39.1~61.6 Mbit/sec
1-12
Technical Information
Increase the system hard disk space by installing another hard disk drive in the VersaBay II slot in the front of the computer using the optional hard disk drive adapter kit.
Diskette Drive
The interchangeable 3.5-inch 1.44 MB diskette drive installs in the front of the system in the VersaBay II slot.
Versa Bay II SuperDiskTM LS-120 Drive
The interchangeable SuperDisk LS-120 drive is a downward compatible diskette drive that can be used with either a 120 MB floptical disk or the a standard 1.44 MB 3.5-inch diskette.
20X CD-ROM Reader
A 20X CD-ROM reader ships with the NEC Versa 6060. The interchangeable twenty-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 CPU board (G8YJKB) is a L-shaped board located above the I/O board. The CPU board also has a fan that exhausts on the right side of the notebook. The NEC Versa 6060 models ship with Intel's P55CLM/166 MMX installed on the CPU board. The board uses the industry standard PCI interface, with a 66 MHz bus speed.
Figure 1-11
CPU Board Layout
Technical Information
1-13
Audio Board
The audio board (G8YZK) provides the NEC Versa system with its audio capabilities via line-in jack, and headphone/microphone jacks. It is situated on top of the CPU board. The audio board integrates the following features:
T ESS Technology Plug and Play support
ES1869S Integrated Music Synthesis, ESFMTM and Stereo Digital to Analog Converter (DAC) FM Synthesizer 16 bit Stereo with ESFM 4.0KHz to 44.1KHz Sampling Rate Sound Blaster Pro compatible 7 Channel Mixer Integrated Spatializer® 3D stereo sound.
Figure 1-12
Audio Board Layout
1-14
Technical Information
AMP Board
The system Graph board (G8YAN) houses a variety of connectors and controls, including the DIMM connectors. These are identified in the diagram shown in Appendix A.
I/O Board
The system I/O board (G8YKA) contains peripheral subsystems including serial, parallel and video ports, and charger. It is located underneath the CPU board. Refer to Appendix A for a list of connectors.
CMOS Battery
The lithium battery (3 Volts, 280 mAh capacity) is attached to P8 on the I/O 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 three years.
Bridge Battery
The bridge battery saves the memory contents and system status for at least up to 5 minutes while in Suspend mode. It is connected to the I/O board via connector P9. The AC adapter maintains voltage in the bridge battery when the system is powered on or off. The bridge battery stores 7.2 Volts, 70 mAH.
SYSTEM MEMORY
The Graph board provides 16 MB (5 V EDO) of standard RAM. Optional memory with a value of 16-, 32-, or 64-MB can be added to increase system memory up to a maximum of 80-MB (60 ns 3.3V EDO 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. The following Cache RAM is provided:
T L1: 16 KB (Internal Pentium) T L2: 256 KB write back (External).
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.
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Table 1-2
MEMORY SPACE 000000-0003FFh 000400-0004FFh 000500-09FFFFh 0A0000-0AFFFFh 0B0000-0B7FFFh 0B8000-0BFFFFh 0C0000-0CBFFFh 0CC000-0CFFFFh 0D0000-0DFFFFh 0E0000-0EFFFFh 0F0000h-0FFFFFh 100000h-1FFFFFF 2000000-5FFFFFF SIZE 768 bytes 256 bytes 640 KB 64 KB 32 KB 32 KB 48 KB 16 KB 64 KB 64 KB 64 KB 32 MB 64 MB
Memory Map
FUNCTION BIOS Interrupt Vector Table BIOS Data Area Applications Memory (used by the OS, device drivers, TSRs, and all DOS applications) Video Buffer (EGA and VGA) Video buffer (monochrome, CGA color, VGA monochrome) Video Buffer (CGA, EGA color, and VGA color) Video ROM (EGA and VGA) Unused, (Reserved for adapter ROMs and other devices requiring ROMs) Used by Adapter ROMs (i.e., network controllers, hard disk controllers, SCSI host adapters) Used by System ROM adapters (i.e., network controllers with boot capability) System AMIBIOS (includes Setup and hard disk drive utilities) Built-in Extended Memory Extended Memory
SYSTEM VIDEO
The system's LCD operates using the NeoMagic NMG4 Controller. Video signals travel from the controller through the system's 15-pin D-SUB connector. System video integrates a PCI-bus interface. The system ships with 2 MB Video RAM (VRAM). It supports video modes up to 1024 x 768 with 64K colors in LCD mode. See Appendix B for a list of video modes.
PARALLEL INTERFACE
The system' s parallel interface integrates National Semiconductor's PC87338 chip with 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:
T compatibility mode T nibble mode
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T byte mode T Extended Capabilities Port (ECP) T Enhanced Parallel Port (EPP).
The user selects between four parallel interface modes using Auto Setup. These include unidirectional, bidirectional, extended 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 default 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 D-sub connector on the system's rear panel. The serial port consists of a 16550A and 16450 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 default serial port address is 3F8h (COM1) and the interrupt level is IRQ04.
NEC VERSA CHIP SET
Refer to Table 1-3 for a quick summary of 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
NEC Versa Series Chip Types and Technologies
DESCRIPTION 166 MHz CPU M-Triton System Controller M-PCI IDE ISA Xcelerator VGA Controller Diskette Controller, IDE, Parallel Interface Keyboard Controller PC Card Controller Sound Controller TECHNOLOGY 320-pin TCP 324-pin BGA 324-pin TQFP 176-pin FQFP 100-pin TQFP 64-pin TQFP 208-pin QFP 100-pin PQFP
MANUFACTURER
Intel Pentium P55CLM Intel 82439TX (MTXC) 82371AB (PIIX4) NM2160 PC87338 M38813E PC1131 ES1869A Intel Intel NeoMagic National Semiconductor Mitsubishi Texas Instruments ESS Technologies
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Intel Pentium P55CLM Microprocessor
The 166 MHz Intel Pentium microprocessor with MMX technology used in the NEC Versa series computer is built on Intel's advanced 2.5V BiCMOS silicon technology. The CPU has on-chip dual-processing, a local multiprocessor interrupt controller, and power management features. NEC adopted the chip specifically for its pipelined Floating Point Unit (FPU), and local interrupt management.
M-Triton System Controllers
NEC implements Intel's Mobile Triton technology (MTDP 8249TX and MTSC 82371TX) for several of the notebook's subsystems including the DRAM controller, Second Level Cache Controller and PCI Bus interface. The Mobile Triton PCI set features include:
T direct mapped organization write-back policy T fully synchronous 33 MHz PCI bus interface.
256K X Flash ROM
The N28F020 flash ROM is a 32-pin, plastic lead chip carrier (PLCC). The chip allows easy updates to the system's BIOS if needed. More specifically, the ROM is flashed electronically, installing the latest BIOS revisions to the system. It is possible to reprogram the BIOS up to 100,000 times. See Section 2, Setup and Operation, for BIOS update procedures. The N28F020 provides the system upgrade capability as well as the following: T 256 KB memory
T T T T
Quick-Pulse Programming Algorithm 150 nanoseconds (ns) maximum access time ETOX Nonvolatile flash technology CMOS low power consumption
ROM BIOS
The system uses a Flash ROM known as the system's ROM BIOS to store machine language programs. The BIOS size is 256 KB, consisting of the system utility (for the Auto Setup), system BIOS, video BIOS, and Power Management. The BIOS programs execute the power-on self-test (POST), initialize CPU controllers, and interact with the LCD indicator panel, diskette drive, hard drive, communication devices and peripherals. The system BIOS also contains Auto Setup and provides VGA controller support. The ROM BIOS is copied into RAM (shadowing) for optimum performance. The ROM BIOS contains both the system and video BIOS. The system BIOS is located in the upper portion of the device; video BIOS is located in the lower portion. System BIOS is located between F0000h-FFFFFh.
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The BIOS often changes after the product release to provide enhanced features or bug fixes. To acquire the latest BIOS release, the ROM is flashed electronically allowing the BIOS update to occur without removing the ROM. See Section 2, Setup and Operation, for BIOS upgrade procedures.
VGA Controller
The NeoMagic NM2160 is a PCI 64-bit Graphics Accelerator. The integrated programmable linear address feature accelerates the graphics user interface (GUI) performance. The controller also supports Hardware Multimedia and VESA interface standards. The controller provides advanced power management that helps to minimize power usage in the following modes:
T normal operation T Standby (sleep) mode T panel off power saving modes.
Parallel Interface
The PC87338VJG chip is a 100-pin Thin Quad Flat Plastic (TQFP) chip. The controller changes 8-bit parallel data into serial data and writes the data to the diskette. Conversely, the serial data is transmitted from the diskette into parallel data, where it remains until the read operation takes place. Additional PC87338VJG chip operations include: T ISA compatibility
T low-power CMOS with enhanced power-down mode
Keyboard Controller
The keyboard controller (M38813E) supports a PS/2-style keyboard, mouse and password security feature. Refer to Appendix A for keyboard interface connector pin assignments. When data is written to the output buffer, the controller generates an interrupt, and requests the CPU to receive the data. The controller automatically adds an even parity bit to the data sent and waits for a response. The device must acknowledge that the data was successfully received by sending a response to the controller for each byte of data received.
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PC CardBus Controller
The Texas Instruments PC1131 controller interfaces with the PCI bus, PC CardBus socket and configuration registers to provide:
T compliant with PCI 2.1 and 1995 PC card standards T CardBus slots with hot insertion and removal T independent Read and Write buffers for each direction T burst transfers to maximize data throughput on the PCI CardBus bus.
Sound Integrated Circuit
The ESS Technologies chip (ES1869S Audio Drive) provides dynamic audio circuitry with the following:
T Audio digital processor T Plug and Play support T High-performance 16-bit Stereo Codec T Full-duplex operation for simultaneous record and playback T Analog joystick quad timer and digital joystick support.
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Interrupt Controllers
Using interrupts, it is possible to change the system's code sequence. To change the sequence, reassign the interrupt-levels. Fifteen interrupts can be used with a cascade connection of two 82C59 interrupt controllers. Interrupt-level assignments 0 through 15 are listed in Table 1-4, in order of decreasing priority.
Table 1-4
CONTROLELR (MASTER/SLAVE) Master Master Master Slave Slave Slave Slave Slave Slave Slave Slave Master Master Master Master Master PRIORITY 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Interrupt Controllers
NAME IRQ00 IRQ01 IRQ02 IRQ08 IRQ09 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 IRQ03 IRQ04 IRQ05 IRQ06 IRQ07 DEVICE System Timer Keyboard Programmable Interrupt Controller Real-time Clock Infrared Port USB Port PC Card, Video PS/2 Mouse Math Coprocessor (built into CPU) Hard Disk Controller IDE DS/MD6000 or PC card in MD6000 PC Card Serial Port Sound Diskette Drive Parallel Port
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POWER MANAGEMENT OVERVIEW
Power Management in the NEC Versa lets you conserve energy, save battery power, extend the life of your LCD backlight, and protect against data loss due to low battery power. Set some features to function automatically or activate them manually with the keyboard or a button. It is wise to keep Power Management features enabled, even when using AC power. The system ships with many power-saving features already enabled. See the following table.
Table 1-5
DEVICE Video
Automatic Power-Saving Features
COMMENT Video turns off after there is no keyboard or VersaGlide input for the specified timeout. Hard disk motor stops when hard disk is not accessed for specified timeout. System enters Standby mode after total system inactivity.
DEFAULT TIMEOUT 2 minutes
Hard Disk Standby
2 minute 4 minute
You can change the timeout period for any of the devices using Setup. See Section 2 for Setup utility procedures. Use the Fn + F7 key combination to set the power management level. The faucet icon changes when the power management setting changes. You can toggle between Highest Performance, Longest Battery Life, Custom Power Management, and Off. Default values change depending on the type of power management you use.
Some power management features are not available when connected to a docking station. For example, the Suspend and Save to File features do not work. The system enters Standby mode if Suspend or Save to File is activated.
NOTE
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System Power Management
NEC Versa system power management consists of the following operation modes. These modes are:
T Active Mode In active mode, the system uses maximum power. It operates
with the default clock speed. The system continues to run at this speed unless overwritten by the power management features.
T Standby Mode The system switches automatically to Standby mode. This
eliminates unnecessary power consumption when you operate the system on battery power or AC. Standby mode shuts down the LCD panel, providing privacy as well as power savings.
T Suspend Mode Suspend mode causes the CPU power down, local devices to
shut down, and register values to be stored in RAM. System RAM is put into a slow refresh state. A moon icon in the LCD Status Bar indicates that Suspend mode is in effect. The system resumes Active mode when you press the Suspend button, or the system is set to resume at a certain time of day. Suspend mode lets you save power without first saving the working data. Press the Suspend button to enter Suspend mode when you need to be away from the system for a short period of time and want to return to where you left off. In addition, to quickly activate the Save to File feature, press the Fn and Suspend button simultaneously. This shuts down the system, and saves the current working data to a file.
Local Power Management
Use Auto Setup to select one of four power management settings for local devices. These include Longest Battery Life, High Performance, Custom, and Power Management Off. The power management levels are also available during AC operation. The NEC Versa computer ships with Longest Battery Life as the default power management setting. See Section 2 for specific procedures on using Auto Setup to select the power management settings. When set to Longest Battery Life, CMOS will set local device timeout values, a local standby timeout value, and a suspend timeout value to ensure the longest battery life. The High Performance setting selects CMOS values that will provide minimal energy savings and a shorter battery life. The custom settings enable end-users to set the timeout values of their choice. The Power Management Off selection terminates all power management timers.
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Local device timers in the system control power consumption in the LCD and Hard Disk Drive. Table 1-6 shows NEC Versa Series Maximum Performance default power management timers.
Table 1-6
POWER MANAGEMENT MODE Longest Battery Life High Performance Custom
Maximum Performance Default Settings
AUTOMATIC SUSPEND 10 minutes 30 minutes 10 minutes HARD DISK TIMER 2 minutes 10 minutes 2 minutes VIDEO TIMEOUT 2 minutes 10 minutes 2 minutes
PLUG AND PLAY
The NEC Versa features a Plug and Play functionality. Plug and Play is the ability of the BIOS and/or Windows 95 operating system to dynamically assign system resources to a newly installed device without user intervention. For example, you can suspend the system, add an external keyboard, mouse, or monitor, and when you resume working, the NEC Versa recognizes the devices that have been connected to it. Similarly, you can remove external devices in Suspend mode and the NEC Versa detects the status when resumed.
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SPECIFICATIONS
Table 1-7 provides a complete list of NEC Versa Series system specifications.
Table 1-7
Item Chassis Configuration Size
Specifications
Specification Width: 11.69 in. (297 mm) Depth: 9.51 in. (241 mm) Height: 2.17 in. (55 mm) Weight: 7.1 lb (3.22 kg), Exact weight depends on options
Keyboard
PS/2 compatible, 83-key (U.S.) 79-key (International) with QWERTY-key layout (International keyboards are countryspecific) Two PC Card slots that support up to two optional cardsoriented one on top of the other. Bottom slot is compatible with Zoomed Video. One 3 1/2-inch x 0.75-inch high slot, front access, for standard 1.44 diskette drive or SuperDisk LS-120, 20X CD-ROM reader optional hard disk drive or Li-Ion battery.
Device Slots
Power
100 to 240 Volts AC at 50 or 60 Hz Output Voltage -- 18.5 V DC, 2.45 A (45.5 W)
Battery Pack
Weight 1.16 lb (527.6g) Voltage 14.4 V Capacity 2600 mAH Battery Life Approximately 2 to 4 hours (depending on model and power management settings) Recharging Time Approximately 2 hours when the system is on or off Bridge Battery Backs up memory contents for at least up to 5 minutes in Suspend mode
Front Panel Controls
Power Button Suspend Button Brightness Control
LEDs
Power LED Battery Status LEDs
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Table 1-7
Item System Board CPU
Specifications
Specification Intel Pentium MMX166 MHz/150 MHz with 32 KB L1 cache and built-in numeric coprocessor L2 Cache Memory = 256K
Clock Speed CPU Bus Speed Flash ROM Connector Support
166 MHz /150 MHz 66 MHz /60 MHz 256 KB: 28F020 Parallel --1 port, 25-pin D-sub Serial -- 1 port, 9-pin D-sub Infrared -- 1 on front of system VGA -- 1 port, 15-pin high-density D-sub External Keyboard/External Mouse -- 1 port, PS/2, 6-pin MiniDin; exclusionary use or both supported with optional Y-adapter Expansion -- 1 port, for optional NEC Docking Station 6000 Plus, optional PortBar 6000 optional MiniDock 6000, or optional FDD Connector Kit. Mono MIC IN -- 1 port, 3-pin, Mini Pin Jack Stereo Headphones/Stereo Line-Out -- 1 port, 3-pin, Mini Pin Jack, .5 watts per channel Stereo Line-In -- 1 port, 3-pin, Mini Pin Jack USB -- 1 port; 4-pin DC In -- 1 port, for AC adapter cable
Memory System Memory Optional
16 MB high-speed EDO access, 60 ns Two memory module connectors (for expansion memory) under the internal hard drive. Expandable in 8-MB, 16-MB, 32-MB, 64-MB increments Maximum 80-MB (by adding a 64-MB expansion Memory card)
Video RAM Video Interface (VGA) LCD
2-MB built into VGA
12.1-inch active matrix thin Film Transistor (TFT) CCFT Super VGA (SVGA) color display, 800 x 600 pixels, 0.306 mm dot pitch, 256,000 colors, XGA at 1024 x 768 x 64K
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Table 1-7
Item Internal Device Support Diskette Drive Hard Disk Drives SuperDisk LS-120 Drive 20X CD-ROM Reader External Device Support CRT Mouse Keyboard
Specifications
Specification User-removable 3 1/2-inch, 1.44-MB, installs in VersaBay II slot IDE interface (built-in), 2 1/2-inch x 1/2-inch high (thin-height) System ships with a 2.1-GB or 3.26-GB hard disk drive User-removable 3 1/2-inch, 120-MB, installs in VersaBay II slot User-removable twenty-speed (20X) CD-ROM reader, installs in VersaBay II slot
Displays up to 1280 x 1024 resolution x 256 colors PS/2-compatible mouse Built-in 83 key keyboard with 12 programmable function keys, embedded numeric keypad and special function control keys, dedicated screen control keys, and inverted "T" cursor keys / IBM enhanced 101/102-key compatible keyboard Varies on Operating System Windows® for Workgroups version 3.11, Window 95, Windows NT McAfee VirusScanTM McAfee WebScanTM LapLink® Traveling Software CompuServe® America Online® MediaMatics ArcadeTM MPEG Player Xing MPEG Player
Software Standard
Recommended Environment Operation
Temperature: 41° to 95°F (5° to 35°C) Relative Humidity: 20% to 80% (No condensation)
Storage
Temperature: -4° to 104°F (-20° to 40°C) Relative Humidity: 20% to 80% (No condensation)
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Table 1-7
Item Administrative Compliance
Specifications
Specification U.S.: FCC, UL Canada: CSA, DOC Germany: VDE, TUV, CE Australia: AS for AC adapter only
Other Compliance
PC97 Compliance PC95a Compliance Energy Star VESA & PnP VESA PnP ISA
Section 2
Setup and Operation
This section provides setup and operation information for the NEC Versa series system (including cabling, power-on verification and using the Setup utility, from this point on referred to as "Setup" only).
UNPACKING THE SYSTEM
Find an area away from devices that generate strong magnetic fields (electric motors, transformers, etc.). Place the shipping carton on a sturdy surface and carefully unpack the system. The carton contents include the system, CD-ROM reader, AC adapter, AC power cord, battery, software CDs, and user documentation.
HARDWARE SETUP
When connecting power and signal cables, do the following.
Always plug the AC adapter cord into an easily accessible outlet.
1. Connect the AC adapter cable to the power port on right side of the NEC Versa. 2. Plug one end of the AC power cable into