NEC VERSA 6200MX Service Manual
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NEC VERSA 6200MX Service Manual

NEC VERSA 6200MX Service Manual

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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, re-
serve all patent, copyright and other proprietary rights to this document, including all de-
sign, 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.
NEC is a registered trademark of NEC Corporation;
Versa is a U.S. registered trademark of NEC Technologies, Inc.;
all are used under license by NEC Computer Systems Division (NECCSD), Packard Bell NEC, 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 — April 1997
Copyright 1997
NEC Computer Systems Division, Packard Bell NEC, Inc.
1414 Massachusetts Avenue
Boxborough, MA 01719
All Rights Reserved

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  • Page 1 Versa is a U.S. registered trademark of NEC Technologies, Inc.; all are used under license by NEC Computer Systems Division (NECCSD), Packard Bell NEC, Inc. All other product, brand, or trade names used in this publication are the trademarks or registered trademarks of their respective trademark owners.

  • Page 2: Preface

    6200MX notebook computer. The manual also provides hardware and interface information for users who need an over- view of the system design. The manual is written for NEC-trained customer engineers, sys- tem analysts, service center personnel, and dealers. The manual is organized as follows:...
  • Page 3 xiii Abbreviations ampere DMAC DMA controller alternating current disk operating system advanced technology DRAM dynamic RAM (IBM PC) data terminal equipment Bulletin Board System error checking and correction binary-coded decimal extended capabilities port BIOS Customized Utility enhanced date out BIOS basic input/output system error detecting system binary digit...
  • Page 4 Abbreviations inch nanosecond INTA interrupt acknowledge NSRC National Service Response Center illustrated parts breakdown programmable array logic infrared personal computer Interrupt Request register printed circuit board Industry Standard Architecture peripheral component In Service register interconnect input/output plastic flat package integrated peripheral controller parallel input/output inches per second pixel...
  • Page 5 Abbreviations SQFP silver quad flat package SVGA Super Video Graphics Array switch Thin chip package TQFP Thin-quad flat package Technical Support Center transistor/transistor logic tracks per inch UART universal asynchronous receiver/transmitter volt volts, direct current VESA Video Electronics Standards Association variable frequency oscillator Video Graphics Array VLSI...

  • Page 6: Table Of Contents

    Power Button .......................1-3 LCD Status Bar and Power Indicator ..............1-4 Status Icons ....................1-5 Keyboard ......................1-6 NEC VersaGlide ....................1-6 Diskette Drive and the NEC VersaBay II ..............1-7 Infrared (IR) Assembly..................1-8 Hardware Overview—Right Side .................1-8 Hardware Overview—Left Side ...................1-9 PC Card Slots .......................1-10 Battery Compartment....................1-10...
  • Page 7 Contents System Memory......................1-16 Memory Map ......................1-16 System Video.......................1-17 Parallel Interface ......................1-18 Serial Interface......................1-18 NEC Versa Chip Set ....................1-18 Intel Pentium P55CLM Microprocessor ..............1-19 M-Triton System Controllers ................1-19 256K X Flash ROM ....................1-20 ROM BIOS....................1-20 VGA Controller ....................1-20 Parallel Interface ....................1-21 Keyboard Controller .....................1-21...
  • Page 8 Contents NEC VersaBay II Battery and Adapter Kit ............2-11 Extending Battery Life ..................2-11 Using the DC Car Adapter ..................2-11 Operating Controls ......................2-12 LCD Status Bar ....................2-13 Status Icons ....................2-13 Function Keys (Fn Keys)..................2-14 Smart Power Switch .....................2-14 Setting Switches ....................2-15 Updating the System BIOS ................2-16...
  • Page 9 Contents 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...
  • Page 10 Contents List of Figures NEC Versa 6200MX Notebook ..............1-1 LCD Panel ..................... 1-3 Power Button Location.................. 1-4 System Status Bar ..................1-5 Keyboard Layout ................... 1-6 VersaGlide Location ..................1-7 NEC VersaBay II Location ................1-7 Right Side Features ..................1-8 Left Side Features ..................
  • Page 11 Removing the CPU Board from the Graph Board........... 4-24 4-22 Removing the I/O Board ................4-25 4-23 NEC Versa Model 6200MX Illustrated Parts Breakdown....... 4-26 Graph Board Layout ..................A-1 I/O Board Layout................... A-2 List of Tables Model Configurations ..................1-2 Memory Map ....................
  • Page 12 Setup Parameters ................... 2-28 Quick Troubleshooting................... 3-1 NEC Versa 6200MX Series Disassembly Sequence........4-4 System RAM Expansion ................4-12 NEC Versa 6200MX Series Field-Replaceable Parts ........4-26 NEC Service and Information Telephone Numbers......... 4-29 Graph Board Connectors................A-2 I/O Board Connectors..................A-3 Keyboard/Mouse Connectors .................

  • Page 13: Section 1 Technical Information

    Section 1 Technical Information The NEC Versa 6200MX notebook computer is lightweight, compact, and fully IBM com- patible. The latest addition to the NEC Versa family includes the NEC Versa 6200MX. NOTE This service manual covers only the NEC Versa 6200MX model. All figures in this manual reflect this model.

  • Page 14: Hardware Overview-Front

    XGA, uses a 64-bit accelerator with a Peripheral Component Interconnect (PCI) interface. The LCD also supports VESA timing. The NEC Versa 6200MX LCD features the following: 13.3-inch Extended Graphics Array (XGA) TFT high resolution active matrix XGA color display 0.264 mm dot pitch...

  • Page 15: Power Button

    Technical Information 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.

  • Page 16: Lcd Status Bar And Power Indicator

    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 de- tect system status. Different graphic icons appear on the LCD bar indicating that a device is accessed, an operation performed, or a power mode activated.

  • Page 17: Status Icons

    Diskette Drive — 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 from the hard disk. Caps Lock — appears when Caps Lock is in effect.

  • Page 18: Keyboard

    Figure 1-5 Keyboard Layout NEC VersaGlide The NEC VersaGlide is a built-in mechanism that functions as the system’s mouse. It con- trols 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 al- low the user to select or deselect menu items.

  • Page 19: Diskette Drive And The Nec Versabay Ii

    The VersaBay II expansion slot lets the user replace the standard diskette drive with the 10X 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.

  • Page 20: Infrared (Ir) Assembly

    Do not use the IR port directly under fluo- rescent incandescent light. 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 Kensington Lock — Gives the user the option to add an optional Kensington Lock.

  • Page 21: Hardware Overview-Left Side

    SECAM signal used in some countries. For proper display, set the video mode to 640 x 480. 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.

  • Page 22: Pc Card Slots

    To remove the PC card, push on the eject button to release the pin connections and slowly pull out the card. The NEC Versa also comes with DOS/Windows PC card drivers for supporting various PC cards like modem and network cards.

  • Page 23: Hardware Overview-Rear Side

    Technical Information 1-11 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 key- board to the system.

  • Page 24: Expansion Port

    NEC Versa Docking Station 6000 Plus 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.

  • Page 25: Diskette Drive

    VersaBay II slot. 10X CD-ROM Reader A 10X CD-ROM reader ships with the NEC Versa 6200MX. The interchangeable ten- 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.

  • Page 26: Sound Board

    1-14 Technical Information Sound Board The sound board (G8YAQ) provides the NEC Versa system with its audio capabilities via line-in/line-out jacks, and headphone/microphone jacks. It is situated on top of the main board. The sound board integrates the following features:...

  • Page 27: Graph Board

    Technical Information 1-15 Graph 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. Figure 1-13 Graph Board Layout I/O Board The system I/O board (G8YAP) contains peripheral subsystems including serial, parallel and video ports, and charger.

  • Page 28: Cmos Battery

    1-16 Technical Information CMOS Battery The lithium battery (3 Volts, 280 mAh capacity) is attached to P13 on the Graph 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.

  • Page 29: System Video

    Technical Information 1-17 Table 1-2 Memory Map MEMORY SPACE SIZE FUNCTION 000000-0002FFh 768 bytes BIOS Interrupt Vector Table 000300-0003FFh 256 bytes BIOS Stack Area 000400-0004FFh 256 bytes BIOS Data Area 000500-09FFFFh 640 KB Applications Memory (used by the OS, device drivers, TSRs, and all DOS applications) 0A0000-0AFFFFh 64 KB...

  • Page 30: Parallel Interface

    115,200 bps. The serial port connects an RS-232C device or an external modem. The default serial port address is 3F8h 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 Abbrevia-...

  • Page 31: Intel Pentium P55Clm Microprocessor

    28-pin SSOP 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 man- agement features.

  • Page 32: 256K X Flash Rom

    1-20 Technical Information 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 electroni- cally, installing the latest BIOS revisions to the system. It is possible to reprogram the BIOS up to 100,000 times.

  • Page 33: Parallel Interface

    Technical Information 1-21 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.

  • Page 34: Interrupt Controllers

    IRQ09 Infrared Port Slave IRQ10 Reserved (CardBus controller) Slave IRQ11 Reserved (CardBus controller) Slave IRQ12 NEC VersaGlide Mouse Slave IRQ13 Math Coprocessor (built into CPU) Slave IRQ14 Hard Disk Controller 1 Slave IRQ15 Reserved (2nd IDE on Docking Station or...

  • Page 35: Power Management Overview

    1-23 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.

  • Page 36: System Power Management

    Use Auto Setup to select one of four power management settings for local devices. These include Longest Life, Highest Performance, Custom Setup, and Power Management Battery Off. The power management levels are also available during AC operation. The NEC Versa computer ships with Longest Life as the default power management setting. See Battery Section 2 for specific procedures on using Auto Setup to select the power management settings.

  • Page 37: Plug And Play

    30 seconds 30 seconds PLUG AND PLAY The NEC Versa features a Plug and Play functionality. Plug and Play is the ability of the BIOS and/or operating system to dynamically assign system resources to a newly installed device without user intervention.

  • Page 38: Specifications

    1-26 Technical Information SPECIFICATIONS Table 1-7 provides a complete list of NEC Versa series system specifications. Table 1-7 Specifications ITEM SPECIFICATION Chassis Configuration Size Width: 11.69 in. (297 mm) Depth: 9.88 in. (251 mm) Height: 2.3 in. (58.5 mm) Weight: 7.94 lb (3.61 kg), Exact weight depends on options Keyboard PS/2 compatible, 85-key (both U.S.
  • Page 39 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, or optional FDD Connector Kit. Mono MIC IN — 1 port, 3-pin, Mini Pin Jack Stereo Headphones —...
  • Page 40 1-28 Technical Information Table 1-7 Specifications ITEM SPECIFICATION Internal Device Support Diskette Drive User-removable 3 1/2-inch, 1.44-MB, installs in VersaBay II slot Hard Disk Drives IDE interface (built-in), 2 1/2-inch x 1/2-inch high (thin-height) System ships with a 2.1-GB hard disk drive 10x CD-ROM Reader User-removable ten-speed (10X) CD-ROM reader, installs in VersaBay II slot...
  • Page 41 Technical Information 1-29 Table 1-7 Specifications ITEM SPECIFICATION Administrative Compliance U.S.: FCC, UL Canada: CSA, DOC Germany: VDE, TUV, CE Australia: AS for AC adapter only Other Compliance PC95 Compliance Energy Star VESA & PnP VESA PnP ISA...

  • Page 42: Section 2 Setup And Operation

    Slide the switch right to turn it on, slide the switch again to turn it off. NOTE Always plug the AC adapter cord into an easily accessible outlet. Connect the AC adapter cable to the power port on right side of the NEC Versa. Figure 2-1 Connecting the AC Adapter...

  • Page 43: Powering On The System

    2-2 Setup and Operation Plug one end of the AC power cable into the AC adapter and the other end into a properly grounded 120- or 240-volt wall outlet. NOTE Do not cover or place objects on the AC adapter. This will allow heat to dissipate properly.

  • Page 44: Cable Connections

    Table 2-1 I/O Connector Descriptions I/O CONNECTOR FUNCTION IR Port The infrared port allows the user to transfer files between the NEC Versa and an IR-equipped computer, or print to an IR-equipped printer without using cables. Keyboard/Mouse Port Connects to a PS/2-style mouse, or a 101-key, external PS/2-style keyboard.

  • Page 45: Power Sources

    The following sections summarize the power sources. Using the AC Adapter Use the AC adapter and power cable that came with the NEC Versa to run the computer on alternating current (AC) power, or to recharge the battery pack. Use the AC adapter when- ever a wall outlet is nearby.

  • Page 46: Using The Main Battery Pack

    The battery pack is easy to install and remove. Checking Battery Power Levels The NEC Versa system integrates two tools to help the user keep track of the main (or an optional) battery's power level. These include the battery icon located in the tray on the taskbar, and the PowerGauge utility for Windows for Workgroups and Windows 95 and PowerProfiler for Windows NT.

  • Page 47: What To Do When Battery Power Gets Low

    Li-Ion battery. Leave the battery pack in the system and connect your NEC Versa to the AC adapter and a wall outlet. If you connect the system to AC power and continue to use it, the battery recharges in approximately 2 hours.

  • Page 48: Replacing The Battery Pack

    T Make sure the battery is properly installed in the battery bay. Replacing the Battery Pack Replace the battery pack installed in your NEC Versa system as follows. NOTE Use Li-Ion batteries in the NEC Versa computer for which they are designed. Also, in- stalling another manufacturer’s battery, or using...

  • Page 49: Removing The Cover

    2-8 Setup and Operation Save your files, exit Windows, and press the Suspend button or turn off system power. Close the LCD and turn the system over. Release the battery cover latch and slide the battery bay cover away from the system.

  • Page 50: Inserting The Battery Pack

    Setup and Operation Insert the new battery as follows: Locate the alignment groove on the end of the battery opposite the terminals. Locate the alignment tab inside the battery bay at the end opposite the termi- nals. Fit the battery alignment groove over the tab inside the bay. Lower the battery into the battery compartment, pressing gently to secure the terminal connections.

  • Page 51: Battery Precautions

    Adhere to the following precautions when recharging the Li-Ion battery. Read the instructions that came with the battery charger before charging the bat- tery. Use only the NEC battery charger designed for your NEC Versa battery type. Different NEC Versa models require different batteries and battery chargers.

  • Page 52: Nec Versabay Ii Battery And Adapter Kit

    . Or, slide the backlight control to a dimmer level. Using the DC Car Adapter Another way to power the NEC Versa is via car battery power using the optional DC car adapter. Connect the system to the optional DC car adapter as follows.

  • Page 53: Operating Controls

    Enables the user to add an optional Kensington Lock to prevent unauthorized use of the computer. Volume Control Controls the speaker or headphone volume. Headphones Connects external headphones or speakers to the NEC Versa. Plugging in headphones disables the built-in system speakers.

  • Page 54: Lcd Status Bar

    Use the power jack to attach the NEC Versa to an AC or DC power source. LCD Status Bar The NEC Versa status bar is located in the upper center of the keyboard panel. Figure 2-11 shows the status bar. Figure 2-11 Status Bar Location Status Icons The NEC Versa uses ten icons to let the user determine system status, as follows.

  • Page 55: Function Keys (Fn Keys)

    2-14 Setup and Operation Hard Disk — shows when the NEC Versa writes data to, or retrieves data from the hard disk drive. Caps Lock — appears when Caps Lock is used. Scroll Lock — indicates that Scroll Lock is used.

  • Page 56: Setting Switches

    (or BIOS) flash memory. See “Updating the System BIOS,” to complete this procedure. Switch 2, Password Override Switch — The default setting is “OFF.” For exam- ple, if you forget your password and cannot access the data on your NEC Versa, change the setting to “ON” and your current password dissolves.

  • Page 57: Updating The System Bios

    Switch 6 — Reserved for factory use. Updating the System BIOS Use the following steps to update your NEC Versa 6200MX system BIOS with the BIOS Update Diskette (BUD). Specifically, the BIOS is the code transmitted onto your system’s microprocessor, or central processing unit (CPU).

  • Page 58: Changing Switch Settings

    Locate and remove the two Phillips-head screws on the bottom of the Versa 6200MX that secure the speaker caps. Put the screws in a safe place for reassembly. Figure 2-13 Locating the Speaker Cap Screws Turn the NEC Versa 6200MX over and open the LCD panel. Figure 2-14 Removing the Speaker Caps...

  • Page 59: Lifting The Keyboard

    2-18 Setup and Operation Locate the two speaker caps, slide each one towards the outside edge of the sys- tem, and remove them. Gently lift up the edge of the keyboard nearest the LCD and slide the keyboard towards the LCD screen to release the tabs that secure it. CAUTION Be careful not to disconnect the keyboard or keyboard cable entirely from the system.

  • Page 60: Dip Switches

    Setup and Operation 2-19 Carefully turn over the keyboard and place it face down on the VersaGlide. Be careful not to twist or disconnect the keyboard cable. Locate the dip switch block. Using a fine tipped object, change the Dip Switch 1 setting to Off.

  • Page 61: Performing The Bios Update

    2-20 Setup and Operation Figure 2-18 Reassembling the System Slide the speaker caps back onto the system. Close the LCD panel and turn the system upside down. Replace the speaker cap screws. Your system is now ready for the BIOS update. Continue to the next section to update the BIOS.

  • Page 62: Power-On Self-Test (Post)

    Enter Power off your computer and remove the diskette. Now power on your com- puter, you will now have the latest NEC Versa 6200MX computer BIOS revision level. When the update is complete, follow the instructions in the previous section and reset dip switch 1 back to the ON position.

  • Page 63: Post Errors

    Real time clock Set time and date using Setup. Exit and save to failure update the parameters. CMOS Battery state Have an authorized NEC dealer replace the CMOS battery.
  • Page 64 Setup and Operation 2-23 Table 2-4 POST Error Messages MESSAGE WHAT TO DO CMOS date and time Set the time and date using Setup. Exit and not set save Setup changes to update the parameters. CMOS memory size Run Setup to reset the amount of memory mismatch defined on the motherboard.
  • Page 65 2-24 Setup and Operation Fatal errors that occur during POST are communicated through a series of beeps that are repeated continuously. All beep code errors, except beep code 8, are fatal errors and do not allow the system to continue to boot. If beep codes occur during POST, check the items in the Problem Checklist (at the start of this chapter), verify that all the hardware is set up properly and securely connected, and try rebooting.

  • Page 66: Setup Utility

    Setup and Operation 2-25 SETUP UTILITY The Setup utility is a ROM-based program. It is functional when enabled (factory default). Setup automatically detects current system parameters during the power-on self-test (POST), described in the previous section. It also provides the following functions: sets date and time signals any hardware discrepancies during POST via error messages verifies that any optional memory that you installed was installed correctly...

  • Page 67: How To Use Setup

    2-26 Setup and Operation Use the up and down arrow keys (located on the lower right corner of the keyboard) to toggle through the Setup menu items. How to Use Setup The following sections describe how to use Setup, including these topics: Looking at screens Using keys Checking and setting system parameters.

  • Page 68: Using Keys

    Setup and Operation 2-27 Using Keys The following table lists Setup keys and their functions. Table 2-6 Setup Key Functions WHAT IT DOES Moves the cursor between the displayed parameters. PgUp/PgDn Modifies the current parameter settings. For some parameter settings, moves the cursor between the subfields.

  • Page 69: Advanced Cmos Setup

    2-28 Setup and Operation Table 2-7 Setup Parameters DEFAULT ALTERNATE PARAMETER SETTINGS SETTING(S) Standard CMOS Setup System Date MO/DAY/YEAR HR:MIN:SEC System Time 1.44 MB, 3.5" Not installed, 1.2 MB/ 5.25" or Diskette Drive A 1.44 MB/ 3.5” Not Installed Diskette Drive B* Enabled Disabled Internal Hard Drive...
  • Page 70 Setup and Operation 2-29 Table 2-7 Setup Parameters (Cont’d) DEFAULT ALTERNATE PARAMETER SETTINGS SETTING(S) Power Management Setup Power Management under AC Power Savings Level Longest Life High Perform/Custom /Off Hard Disk Timeout 2 min. 5/30/45 sec; 1/4/6/8/10/15 min.; Off Video Timeout** 2 min.
  • Page 71 When you select the Standard CMOS Setup screen you will see System Time and System Date parameters as well as drive parameters. Date — This field lets you set your NEC Versa’s calendar month, day and year. The calendar clock is year 2000-compliant. These settings remain in memory even after you turn off system power.

  • Page 72: Power Management Setup Power Management Setup

    Power Management Under AC — Specifies whether to enable power manage- ment features when AC power is in use. When AC power is connected to your NEC Versa system, power management is usually disabled. If you enable this pa- rameter, the system automatically activates the power management profile you set even when AC power is used.
  • Page 73 In Suspend, after a specified amount of in- activity, your NEC Versa shuts down all devices as you specified in Setup or ap- plies default timeouts. All your data is automatically recovered from where you left off when you Resume.

  • Page 74: Peripherals Setup

    Setup and Operation 2-33 Wake Up from Suspend Alarm/Resume Alarm Time — Lets you set a resume time from Suspend mode. Peripherals Setup The Peripherals Setup menu displays the connection locations between the system and the Input/Output (I/O) ports. This menu also lets you specify different port assignments as needed.

  • Page 75: Using Setup To Set Power Management

    There are two ways to set your NEC Versa’s STF feature. One method is via the Setup utility. Select Power Management from the Setup Main Menu. Move the cursor down and highlight Suspend Mode.

  • Page 76: Section 3 Troubleshooting

    Section 3 Troubleshooting This section focuses on providing you with some information on basic troubleshooting as well as how to translate some system error messages. QUICK TROUBLESHOOTING This section summarizes problems that may develop during system operation and lists sug- gested corrective actions.
  • Page 77 Troubleshooting Table 3-1 Quick Troubleshooting (Cont’d) PROBLEM CORRECTIVE ACTIONS Battery power does not last long Make sure that the power management features are enabled. Recharge the battery pack for 1½ hours before using again. Replace the battery pack. System halts during boot sequence Check condition of selected boot device (diskette, hard disk or CD-ROM) for bad boot track or incorrect OS files.
  • Page 78 If the PC card is a Type II card, install it in the system’s other PC card slot. Replace the PC card. Replace the Graph board. NEC VersaGlide doesn’t work Check if PS/2 mouse driver is properly installed. Check VersaGlide cable inside the system if it is inserted properly.

  • Page 79: Helpful Questions

    Troubleshooting HELPFUL QUESTIONS Here are some helpful questions to ask when troubleshooting the notebook: Is there any external power source connected to the computer? Is the battery fully charged? Is the computer turned on and the Power LED activated? Are the LCD display controls set to the minimum level? Is the LCD display switched to the external monitor? Are all cables and devices connected properly and securely? Are all needed device drivers installed properly?

  • Page 80: Section 4 Field Service Guidelines

    Section 4 Field Service Guidelines This section contains preventive and corrective maintenance procedures for the NEC Versa 6200MX notebook computer. The first part of the section describes cleaning procedures and preferred handling proce- dures for sensitive components (for example disk drives, batteries).

  • Page 81: Cleaning The Notebook's Interior

    2 Field Service Guidelines Cleaning the Notebook’s Interior When servicing the inside of the notebook, remove dust and other foreign particles from in- side the system unit as follows. Remove the top cover and keyboard using the disassembly procedures discussed later in this section.

  • Page 82: Handling The Battery Packs

    Make sure to leave the computer's cover open for about ten minutes while the heat disperses, before closing the LCD. REQUIRED TOOLS AND EQUIPMENT All NEC Versa corrective maintenance procedures can be performed using the following tools: Tweezers Small flat-head screwdriver...

  • Page 83: Disassembly And Reassembly

    For complete disassembly of the system unit, follow the disassembly order listed in Table 4-1. To reassemble, follow the table in reverse order. Table 4-1 NEC Versa 6200MX Series Disassembly Sequence SEQUENCE PART...

  • Page 84: Hard Disk Drive

    Field Service Guidelines 5 Hard Disk Drive To disassemble the entire NEC Versa computer, start by removing the hard disk drive as follows. NOTE NEC Versa hard disk drives can be used in other NEC notebook computers such as the NEC Versa 2000 and 4000 Series systems.

  • Page 85: Removing The Hard Disk Drive

    6 Field Service Guidelines Remove the hard disk drive as follows: Using your fingers, press down on the hard disk drive at the end closest to the connector. While maintaining pressure, slide the drive towards the front of the system. CAUTION Do not lift the drive out of the system before re- leasing it from the system connector.

  • Page 86: Diskette Drive

    Field Service Guidelines 7 Diskette Drive Remove the diskette drive as follows. Make sure the NEC Versa is powered off, all options are disconnected, and the LCD panel is closed. Turn the system upside down with the front facing you.

  • Page 87: Main Battery Pack (Li-Ion Type)

    Main Battery Pack (Li-Ion Type) Remove the main battery pack as follows. NOTE Use Li-Ion batteries in the NEC Versa computer for which they are designed. Also, in- stalling another manufacturer’s battery, or using a combination of very old and new batteries can deteriorate battery and equipment performance.

  • Page 88: Removing The Battery Compartment Cover

    Field Service Guidelines 9 Release the battery cover latch and slide the battery bay cover away from the system. Figure 4-5 Removing the Battery Compartment Cover Place a finger in the notch on the battery and lift the battery out of the system. NOTE Always lift the battery out of the system by the notch.

  • Page 89: Removing The Keyboard

    10 Field Service Guidelines Removing the Keyboard Make sure the system is powered off and that no peripheral devices are attached. Locate and remove the two Phillips-head screws on the bottom of the Versa 6200MX that secure the speaker caps. Put the screws in a safe place for reassembly.

  • Page 90: Lifting Up The Keyboard

    Field Service Guidelines 11 Gently lift the edge of the keyboard nearest the LCD and slide the keyboard toward the LCD screen to release the tabs that secure it. CAUTION Be careful not to disconnect the keyboard or keyboard cable entirely from the system. Figure 4-9 Lifting Up the Keyboard Carefully turn over the keyboard and place face down on the VersaGlide.

  • Page 91: Memory Upgrade

    Figure 4-10 Positioning the Keyboard Memory Upgrade The NEC Versa 6200MX comes standard with 32 megabytes (MB) of random access memory (RAM). You can increase system memory to a maximum of 128 MB. The RAM combinations possible are 32, 48, 64, 96 and 128 MB depending on which two of the listed dual inline memory modules (DIMM) are used.

  • Page 92: Dimm Features

    Field Service Guidelines 13 Install DIMMs as follows: Remove the keyboard as described in the preceding section. Locate the lock notches and alignment key on the DIMM. Figure 4-11 DIMM Features Locate the DIMM expansion port. Hold the DIMM at a 45 degree angle and align the DIMM contacts with the socket in the system.

  • Page 93: Removing An Installed Dimm

    14 Field Service Guidelines If you are replacing a DIMM and need to remove one that is already installed, do so as follows: Press the locking tabs away from the sides of the DIMM and hold while gently lifting on the edge of the DIMM. When the edge of the DIMM pops up and is at approximately a 60 de- gree, pull the DIMM from the socket.

  • Page 94: Lcd And Top Cover

    Field Service Guidelines 15 LCD and Top Cover Remove the LCD and top cover as follows. Power off the computer. Remove the bottom base unit cover as follows. Turn the computer over with the VersaBay II slot facing towards you. Locate the 10 screws that secure the bottom base unit cover.

  • Page 95: Location Of Three Screws

    16 Field Service Guidelines Figure 4-15 Location of Three Screws Using a flat-head screwdriver, carefully detach the bottom base unit cover from the top cover. To lift off the top cover, place your left hand in the PC cards slot bay, and pull the left corner of the system upward with your right hand.
  • Page 96 Field Service Guidelines 17 Disconnect the LCD cables from connector P6 on the Graph board. Also discon- nect the speaker cables (P17) and VersaGlide cables (P14). Figure 4-16 Separating Top Cover from Base Unit...

  • Page 97: Versaglide

    18 Field Service Guidelines VersaGlide Remove three screws on the underside of the top cover to remove the VersaGlide. Figure 4-17 Removing the VersaGlide...

  • Page 98: Lcd Status Bar

    Field Service Guidelines 19 LCD Status Bar Remove the LCD status bar. Remove the LCD, top cover, keyboard, and the power button as previously described. Remove the LCD status bar as follows. Locate the ribbon cable that attaches to the Graph board via connector P9. Use the tip of a screwdriver and carefully open the connector tabs.

  • Page 99: Bridge Battery, Cmos Battery, Buzzer

    20 Field Service Guidelines Bridge Battery, CMOS Battery, Buzzer Remove the bridge battery, CMOS battery, and/or buzzer (speaker) as follows. Remove the following as previously described: top cover keyboard LCD status bar To remove the bridge battery disconnect the cable from connector P11 on the Graph board and remove the bridge battery.

  • Page 100: Sound Board

    Field Service Guidelines 21 Sound Board Remove the sound board as follows. Remove the following as previously described: top cover keyboard LCD status bar. Remove the screw that secures the sound board to the base unit. Lift the sound board from connector P6 on the Graph board. IR ASSEMBLY AND GRAPH BOARD Remove the remove the IR assembly and Graph board as follows.
  • Page 101 22 Field Service Guidelines Figure 4-20 Removing IR Assembly and Graph Board...

  • Page 102: Cpu Assembly

    Field Service Guidelines 23 CPU Assembly Remove the CPU assembly as follows. Remove the Graph board as previously described: top cover keyboard LCD status bar Sound Board Graph Board. Disconnect the bridge battery, CMOS battery, buzzer, and front IR cable from the Graph board.

  • Page 103: Illustrated Parts Breakdown

    ILLUSTRATED PARTS BREAKDOWN The next section contains the NEC part numbers and illustrated parts breakdown (IPB) fig- ure for the NEC Versa. The following figure shows the system exploded view diagram, or IPB. Table 4-3 lists field-replaceable parts and corresponding part numbers.

  • Page 104: Nec Versa Model 6200Mx Illustrated Parts Breakdown

    Field Service Guidelines 25 Figure 4-23 NEC Versa Model 6200MX Illustrated Parts Breakdown...

  • Page 105: Cpu Board

    26 Field Service Guidelines Table 4-3 NEC Versa 6200MX Series Field-Replaceable Parts* ITEM PART NUMBER 1. Battery Compartment Cover (Cap) 136-240832-103A 2. Bottom Base Assembly 136-240825-103A 4. PC Card Holder 136-628883-101A 11. Bridge Battery 804-021205-003A 12. Speaker with Cable (also called Buzzer) 802-870018-008A 14.
  • Page 106 Field Service Guidelines 27 Table 4-3 NEC Versa 6200MX Series Field-Replaceable Parts* (cont’d) ITEM PART NUMBER CD-ROM Carry Case 158-032107-000 Connector Cap Assembly 136-240922-101A Diskette Drive Assembly 134-507049-0010 Foot (tilt) 136-628872-101A 2.1 GB Hard Disk Drive Assembly (Toshiba) OP-220-62008 Hinge Cap (center)

  • Page 107: Service Information

    TECHNICAL SUPPORT NECCSD Technical Support Center provides an E-mail service for Internet users. Technical questions regarding NEC products can be sent over the Internet system to the Center. The Internet address is as follows: tech-support@neccsd.com If it is more convenient, questions may also be faxed to the Customer Service Response Center.

  • Page 108: Product Information

    Field Service Guidelines 29 It would also help to include your telephone number in case the Customer Service Response Center can not get their answer to you. We will reply to all questions received by Internet or fax within one business day. PRODUCT INFORMATION NECCSD FaxFlash Service is an automated electronic information service used to obtain up-to-date product application notes, installation procedures, troubleshooting tips, data...
  • Page 109 30 Field Service Guidelines For international use, first enter the international long distance access number (011), your country code, area code or city code, then your fax number. The information requested will be sent automatically to your fax machine. If Fax- Flash attempts to send the second order before the first order is completed, the order could be canceled.

  • Page 110: Appendix A Connector Locations And Pin Assignments

    Appendix A Connector Locations and Pin Assignments Figure A-1 and Table A-1 show Graph board connectors. The remaining tables provide pin assignments for additional system connectors. Figure A-1 Graph Board Layout...

  • Page 111: I/O Board Layout

    Connector Locations and Pin Assignments Table A-1 Graph Board Connectors CONNECTOR DESCRIPTION LCD Screen P7, P8 DIMM Connectors LCD Status Bar Infrared Assembly Connector Bridge Battery Buzzer CMOS Battery VersaGlide Assembly Connector Keyboard Speaker Connector Sound Board Power Switch Suspend Switch Figure A-2 I/O Board Layout...
  • Page 112 Connector Locations and Pin Assignments Table A-2 I/O Board Connectors CONNECTOR DESCRIPTION Graph Board Connector Graph Connector (opposite side) Hard Drive Connector Optional Battery Connector VersaBay II Connector Main Battery Connector Serial Port Connector External Monitor Expansion Connector Parallel Port PS/2 Keyboard/Mouse Connector AC Adapter Connector TV Output Jack...
  • Page 113 Connector Locations and Pin Assignments Table A-5 CRT Connector Pin Assignments SIGNAL Green Blue OPT1 Ground Ground Ground Ground +5V PnP VESA Vcc Ground OPT2 PnP VESA Data Horizontal Sync Vertical Sync PnP VESA Clock Table A-6 Parallel Printer Pin Assignments SIGNAL - Strobe Data Bit 0...
  • Page 114 Connector Locations and Pin Assignments Table A-6 Parallel Printer Pin Assignments SIGNAL - Auto Feed XT - Error - Initialize - Select In 18 -25 Ground Table A-7 Power Connector SIGNAL Ground DCSYS DCCHG Table A-8 Hard Disk Drive Connector SIGNAL HDD Access LED Chip Select 0...
  • Page 115 Connector Locations and Pin Assignments Table A-8 Hard Disk Drive Connector SIGNAL IO Channel Ready MS Select IO Write I/O Read Not Used Data0 Data1 Data15 Data14 Data2 Data13 Data3 Not Used Data12 Ground Data4 Ground Data4 Ground Data5 Ground Data10 Ground Data6...
  • Page 116 Appendix B Video Modes The following tables list NEC Versa system video modes. Table B-1 LCD Display Mode Setting (1024x768 TFT Color LCD and Simultaneous CRT Display) Standard Video Mode Mode Display Pixel Display Font Video Mode Type Mode Resolution...
  • Page 117 Video Modes Table B-2 Frequency Table for Standard Video Mode Display Mode Dot Clock (MHz) Horiz. Freq. (KHz) Vert. Freq. (Hz) LCD Only Mode 48.3 Simultaneous Mode 48.3 Table B-3 Expanded Video Mode Mode Memory Pixel Display Font Video Mode Type Resolution Color...
  • Page 118 Video Modes Table B-4 Frequency Table of Extended Video Mode Dot Clock Horizontal Vertical Display Mode (MHz) Frequency (KHz) Frequency (Hz) LCD Only Mode 48.3 Simultaneous Mode 48.3 Table B-5 CRT Display Mode Setting (CRT-Only Display) Horiz. Vert. Video Mode Display Pixel Display...
  • Page 119 Video Modes Table B-6 Extended Video Mode Horiz. Vert. Video Mode Memory Pixel Display Font Clock Freq. Freq. Memory Mode Type Resolution Color Fonts Size (MHz) (KHz) (Hz) (KB) Graph* Pack Pix 640x480 80x30 8x16 25.175 31.5 31.5 37.5 43.3 Graph* Pack Pix 640x400...
  • Page 120 Video Modes Table B-7 Panning Video Mode for (1024x768 TFT Color LCD and Simultaneous CRT Display) Horiz. Vert. Video Mode Memory Pixel Display Font Clock Freq. Freq. Memory Mode Type Resolution Color Fonts Size (MHz) (KHz) (Hz) (KB) Graph* Pack Pix 1024x768 128x48 8x16...
  • Page 121 Index AC adapter, 2-4 DC car adapter, 2-11 AC power port, 1-9 Default power management settings, 1-25 Accessing dip switches, 2-17 Dip switch access, 2-17 Accessing setup, 2-25 Dip switches, 2-17 Active mode, 1-24 Disassembly guidelines, 4-4 Automatic power saving features, 1-23 Diskette controller serial interface, 1-21 parallel interface, 1-21...
  • Page 122 Monitor port, 1-12 Mouse port, 1-11 Recharging the battery, 2-6 Replacing the battery pack, 2-7 ROM BIOS, 1-20 NEC Versa disassembly sequence, 4-4 NEC Versa video modes, B-1 NTSC signal, 1-9 Save to File benefits, 2-34 Save to File feature, 2-34...
  • Page 123 Index-3 Setting system parameters, 2-27 System icons, 2-13 peripherals, 2-33 System Parameters, 2-21 power savings, 2-31 System setup, 2-1 Setup key functions, 2-27 System specifications, 1-26 Setup utility, 2-25 System status icons, 2-13 advanced CMOS setup, 2-31 System time, 2-30 main screen, 2-30 System video, 1-17 other options, 2-33...
  • Page 124 This product is in conformity with the protection requirements of EC Council Directive 89/336/EEC on the approximation of laws of the Member States relating to electro-magnetic compatibility. This product satisfied the Class B limits of EN 55022. NEC Computer Systems Division, Packard Bell NEC, Inc. 1414 Massachusetts Avenue...

  • Page 125: Battery Replacement

    A lithium CMOS clock battery in your computer maintains system configuration information. In the event that the battery fails to maintain system configuration information, NEC recommends that you replace the battery. Have an authorized NEC service representative replace the battery.

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