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PROPRIETARY NOTICE AND LIABILITY DISCLAIMER
The information disclosed in this document, including all designs and related materials, is
the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licen-
sors, as appropriate, reserve all patent, copyright and other proprietary rights to this docu-
ment, including all design, manufacturing, reproduction, use, and sales rights thereto, except
to the extent said rights are expressly granted to others.
The NEC product(s) discussed in this document are warranted in accordance with the terms
of the Warranty Statement accompanying each product. However, actual performance of
each such product is dependent upon factors such as system configuration, customer data,
and operator control. Since implementation by customers of each product may vary, the
suitability of specific product configurations and applications must be determined by the
customer and is not warranted by NEC.
To allow for design and specification improvements, the information in this document is
subject to change at any time, without notice. Reproduction of this document or portions
thereof without prior written approval of NEC is prohibited.
FastFacts, and NEC SVGA, are U.S. trademarks of NEC Technologies, Inc.
All other product, brand, or trade names used in this publication are the trademarks or registered
trademarks of their respective trademark owners.
Copyright 1995
NEC Technologies, Inc.
1414 Massachusetts Avenue
Boxborough, MA 01719
All Rights Reserved
First Printing — August 1995
Copyright 1995
NEC Corporation
7-1 Shiba 5-Chome, Minato-Ku
Tokyo 108-01, Japan
All Rights Reserved

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   Also See for NEC VERSA 4000

   Summary of Contents for NEC VERSA 4000

  • Page 1

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

  • Page 2: Preface

    This service and reference manual contains the technical information necessary to set up, and maintain the NEC Versa™ 4000 Series notebook systems. It also provides hardware and interface information for users who need an overview of the computer system design.

  • Page 3: Table Of Contents

    Infrared (IR) Front Assembly, Rear Assembly ............1-4 Battery Pack ......................1-4 CMOS Battery...................... 1-4 Bridge Battery ...................... 1-4 PCMCIA Slots...................... 1-4 Diskette Drive and the NEC VersaBay II .............. 1-5 Keyboard ......................1-5 NEC VersaGlide ....................1-5 System Memory......................1-5 Memory Map ......................1-6 System Video.......................

  • Page 4

    Contents Power Management Overview ..................1-17 System Power Management .................. 1-17 Local Power Management..................1-18 Plug and Play....................... 1-18 Specifications....................... 1-19 Section 2 Setup and Operation Unpacking the System....................2-1 Hardware Setup ......................2-1 Cable Connections ....................2-2 Operating Controls ...................... 2-3 Status Bar ......................

  • Page 5

    Illustrated Parts Breakdown Appendix A Connector Locations and Pin Assignments List of Figures NEC Versa 4000 Series System Features ............1-1 NEC Versa 4000 Series (Rear View).............. 1-2 Power and I/O Connector Locations .............. 2-2 Keyboard Panel Controls................2-3 Right Side Panel Controls ................2-3 Status Bar Location ..................

  • Page 6

    LCD Display Modes (640 x 480 TFT, Simultaneous CRT)......1-9 LCD Display Modes (640 x 480 DSTN, Simultaneous CRT) ......1-10 NEC Versa 4000 Series Chip Types and Technologies ........1-12 NEC Versa 4000 Series Interrupt Level Assignments ........1-16 Maximum Performance Default Settings............

  • Page 7: Technical Information

    Section 1 Technical Information ® The NEC Versa 4000 series computers integrate the Intel Pentium-75 MHz, or 90-MHz chips. The systems offer a unique transportable unit in the following configurations: NEC Versa 4000D 75-MHz CPU, 540-MB hard disk drive, 10.4-inch Dual-...

  • Page 8: Hardware Overview

    3 1/2-inch, 1.44-MB diskette drive, a battery pack, and a PS/2 compatible 83-key keyboard. A 79-key keyboard is used for U.K. and Germany. The NEC VersaGlide touch- pad is positioned at the front of the keyboard, and takes the place of a mouse.

  • Page 9: Cpu Board

    I/O board specifications are listed in Table Section 1-8 at the end of this section. Sound Board The sound board (G8UNA) provides the NEC Versa 4000 series system with its audio ca- pabilities via line-in/line-out jacks, and headphone/microphone jacks. It is situated on top of...

  • Page 10: Infrared (ir) Front Assembly, Rear Assembly

    Infrared (IR) Front Assembly, Rear Assembly Two IR assemblies are connected to the I/O board via connectors P10 and P11 respectively. One is located on the front of the NEC Versa, the second one is located on the rear of the NEC Versa.

  • Page 11: Pcmcia Slots

    (cursor). To use the VersaGlide, glide your finger across the NEC VersaGlide pad, and the cursor follows. The buttons on either side of the NEC Ver- saGlide allow the user to select or deselect menu items. Tap and double-tap are supported on the VersaGlide pad.

  • Page 12: Memory Map

    To view a more complete breakdown, and to determine available space for the addition of drivers etc., type MSD at the DOS prompt and press Enter . Table Section 1-1 NEC Versa 4000 Series System Memory Map Memory Space Size...

  • Page 13: System Video

    Technical Information SYSTEM VIDEO The system's LCD operates using the Chips and Technologies 65545B1-5 or 65545B2-H VGA Controller. Video signals travel from the controller through the system's 15-pin D- SUB connector using 5 volts. System video integrates a 32-bit VL-bus interface using local bus video. The system ships with 1 MB Video RAM (VRAM).

  • Page 14

    Technical Information Table Section 1-2 CRT Display Mode (CRT only) Mode Display Text Refresh (Hex) Mode Colors Display Resolution Font Rate 4-bit linear 16 100x37 800x600 8x16 4-bit linear 16 128x48 1024x768 8x16 4-bit linear 16 128x48 1024x768 8x16 8-bit linear 256 80x30 640x480 8x16...

  • Page 15: Lcd Display Modes (640 X 480 Tft, Simultaneous Crt)

    Technical Information Table Section 1-2 CRT Display Mode (CRT only) Mode Display Text Refresh (Hex) Mode Colors Display Resolution Font Rate Packed 128x48 1024x768 8x16 Pixel Packed 128x48 1024x768 8x16 Pixel *EGA Extension **VGA Extension ***High Refresh Modes Table Section 1-3 lists 640 x 480, TFT simultaneous LCD/CRT display modes. Table Section 1-3 LCD Display Modes (640 x 480 TFT, Simultaneous CRT) Mode Display...

  • Page 16: Lcd Display Modes (640 X 480 Dstn, Simultaneous Crt)

    1-10 Technical Information Table Section 1-3 LCD Display Modes (640 x 480 TFT, Simultaneous CRT) Mode Display Text Refresh (Hex) Mode Colors Display Resolution Font Rate 8-bit 80x30 640x480 8x16 linear 15-bit 80x30 640x480 8x16 linear 24-bit 16 M 80x30 640x480 8x16 linear...

  • Page 17: Parallel Interface

    Technical Information 1-11 Table Section 1-4 LCD Display Mode (640 x 480 DSTN, Simultaneous CRT Display) Mode Display Text Refesh (Hex) Mode Colors Display Resolution Font Rate Planar Mono 80x25 640x350 8x14 Planar 80x25 640x350 8x14 Planar 80x30 640x480 8x16 Planar 80x30 640x480...

  • Page 18: Serial Interface

    100-pin TQFP Intel Pentium P54LM The 75 MHz, 90 MHz or 120 MHz Intel Pentium microprocessor used in the NEC Versa 4000 series computer is built on Intel’s advanced 3.3V BiCMOS silicon technology. The CPU has on-chip dual-processing, a local multiprocessor interrupt controller, and power management features.

  • Page 19: Cache Controller, Address Logic, Data Controller

    Technical Information 1-13 Cache Controller, Address Logic, Data Controller The Golden Gate PT80C732 and PT80C733 Pico Power controller provides a dual-chip structure that connect the Pentium processor to the industry-standard 486 bus. The chip in- creases data reliability by integrating the following: 8-level write buffer extends battery life and efficient thermal management improved performance for DRAM and VL bus peripherals.

  • Page 20: Rom Bios

    1-14 Technical Information ROM BIOS The system uses a Flash ROM known as the system's ROM BIOS to store machine lan- guage programs. The BIOS size is 256 KB, consisting of the system utility (PCMCIA, 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.

  • Page 21: Video Controller Architecture

    Technical Information 1-15 Video Controller Architecture The video controller architecture is broken down into several modules. The five significant modules include the sequencer, CRT controller, graphics controller, attribute controller and dithering engine. For example, the sequencer manages CPU and display memory timing. The CRT controller controls sync and timing signals.

  • Page 22: Interrupt Controllers

    Fifteen interrupts can be used with a cascade connection of 8259INTC x 2. Interrupt-level assignments 0 through 15 are listed in Table Section 1-6, in order of de- creasing priority. Table Section 1-6 NEC Versa 4000 Series Interrupt Level Assignments Controller Master/Slave Priority...

  • Page 23: Power Management Overview

    Technical Information 1-17 POWER MANAGEMENT OVERVIEW The NEC Versa 4000 series system uses power management features to prolong system battery life. The CPU implements a System Management Interrupt (SMI) function that works transpar- ently with the operating system and application software. When activated, the processor mode changes to real mode.

  • Page 24: Local Power Management

    2 minutes PLUG AND PLAY The NEC Versa 4000 has a Plug and Play functionality. This means you can suspend the system, add an external keyboard, mouse, or monitor, and when you resume working, the NEC Versa 4000 recognizes the devices that have been connected to it. Similarly, you can remove external devices in Suspend mode and the NEC Versa 4000 notices the difference when resumed.

  • Page 25: Specifications

    Technical Information 1-19 SPECIFICATIONS Table Section 1-8 provides a complete list of NEC Versa 4000 series system specifications. Table Section 1-8 Specifications Item Specification Chassis Configuration Size Width: 11.69 in. (297 mm) Depth: 9.4 in. (240.5 mm) Height: 2.1 in. (53.5 mm) NEC Versa 4000 (DSTN) Weight: 6.25lb (2.84 kg)

  • Page 26

    1-20 Technical Information Table Section 1-8 Specifications Item Specification Front Panel Controls Power Button Suspend/Resume Button LCD Panel Sensor Brightness Control Contrast Control (DSTN model only) LEDs Power LED Battery Status LEDs System Board Intel Pentium P54LM Clock Speed 75 MHz, 90 Mhz or 120 MHz CPU Bus Speed 50 MHz or 60 Mhz, 60 MHz Flash ROM...

  • Page 27

    Technical Information 1-21 Table Section 1-8 Specifications Item Specification Video Interface (VGA) 10.4-inch DSTN backlit color Resolution 640 x 480 pixels Dot Pitch 0.33 mm Colors 256,000 10.1-inch TFT backlit color Resolution 640 x 480 pixels Dot Pitch 0.32 mm Colors 256,000 10.4-inch High Resolution TFT CCFT backlit color...

  • Page 28

    1-22 Technical Information Table Section 1-8 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 29: Setup And Operation

    Section 2 Setup and Operation This section provides setup and operation information for the NEC Versa 4000 series sys- tem (including cabling, power-on verification and using Auto Setup). UNPACKING THE SYSTEM Find an area away from devices that generate strong magnetic fields (electric motors, transformers, etc.).

  • Page 30: Cable Connections

    Connects to a 25-pin parallel printer. CRT Port Connects to a 15-pin external CRT. IR Ports The infrared ports allow the user to transfer files between the NEC Versa and an IR-equipped desktop, or print to an IR-equipped printer without using cables. Expansion Connector Provides a 75-pin connector to attach the optional NEC Docking Station 4000.

  • Page 31: Operating Controls

    Setup and Operation OPERATING CONTROLS The following section describes system controls, the LEDs, and function keys. Refer to Figure Section 2-2 and Figure Section 2-3 to locate system controls and switches. Table Section 2-2 describes the controls. Microphone Suspend Button Power Switch Sensor Figure Section 2-2 Keyboard Panel Controls...

  • Page 32: Status Bar

    LCD. A brighter adjustment uses more battery power. For longer battery life, decrease the brightness. Status Bar The NEC Versa 4000 status bar is located in the upper left corner of the keyboard panel. Figure Figure Section 2-4 shows the status bar. Status...

  • Page 33: Status Icons

    Setup and Operation Status Icons The NEC Versa 4000 uses eight icons to let the user determine system status, see Figure Section 2-5. Suspend Power Management Diskette Drive Access Hard Disk Drive Access Caps Lock Scroll Lock Num Lock Battery Figure Section 2-5 Status Bar Icons Suspend —...

  • Page 34: Function Keys (fn Keys)

    Scroll/Lock On/Off Smart Power Switch Provides an automatic feature that prevents you from accidentally powering off the NEC Versa 4000, and losing your data while your system is in Suspend mode. The smart power switch senses that the system is in Suspend mode and prevents you from directly powering off the system when you press the power switch.

  • Page 35: Dip Switch

    Setup and Operation Dip Switch A four-position dip switch is located in the hard disk drive bay, under the hard disk drive, and next to the memory slot. Figure Section 2-6 shows the dip switch location. Figure Sec- tion 2-7 shows dip switch default settings. Dip Switch Memory Slot...

  • Page 36: Power-on Self-test (post)

    Setup and Operation POWER-ON SELF-TEST (POST) Each time the system is powered on, the system checks the working status of components through an automatic power-on self-test (POST). The test checks the system configuration for any discrepancies. One beep means that POST is successful. If any problems in data transfer or hardware exist, an error message appears.

  • Page 37: Post Errors

    Setup and Operation POST Errors Error messages will appear during POST when configuration information does not match the settings stored in memory. Error message will also appear if the system loses the con- figuration information due to hardware failure. Refer to Table Section 2-4 for a description of POST error messages. Table Section 2-4 POST Error Messages Message Action...

  • Page 38: Setup Utility

    2-10 Setup and Operation NOTE: If a display related error occurs it is in- dicated by beeps. Display related errors usually require a system board replacement. 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.

  • Page 39: Setup Screen

    Setup and Operation 2-11 Setup Screen The Setup screens have four main areas of information. These include: Top Line of the Screen — contains user-selectable menu options. Left Half of the Screen — provides current parameter information. Selecting a pa- rameter from the list (using the menu bar) toggles through selectable parameter settings.

  • Page 40

    2-12 Setup and Operation For example, to select "Peripherals," press the arrow key until the word Peripher- als is highlighted. A screen appears with the current setting for each peripheral device. View the parameter settings by pressing the space bar or the + key. The choices appear, toggling from one to another as you press.

  • Page 41: Parameter Options

    Setup and Operation 2-13 PARAMETER OPTIONS Refer to Table Section 2-6 for a complete list of the parameters selectable through Setup. It also lists factory default settings in the mobile mode. Parameter descriptions follow the ta- ble. Menu selections for Setup are the same except where noted. Table Section 2-6 System Parameter Settings Default Configuration Default Values...

  • Page 42: Parameter Descriptions

    2-14 Setup and Operation Table Section 2-6 System Parameter Settings Default Configuration Default Values Options Suspend Mode Suspend Save To File Auto Suspend Timeout 15 minutes 60/40/30/20/10/5/Off min Auto Save to File Suspend Warning Tone PCMCIA Power Sound Power Serial Port Ring Resume Wake up from Resume at: 0:00:00 Parameter Descriptions...

  • Page 43: Security

    Power Management Under AC Normally, whenever AC power is con- nected to the NEC Versa 4000, power management is disabled. If you enable this option, the system uses the power management mode (on or off) you set using the Power Management option.

  • Page 44: Security Options

    Press ESC to save the changes and exit Setup. Once you have set the password, you can select Enable on Boot. This means that each time you start up (boot) your NEC Versa, you'll be prompted for a password. Using the System Password After setting the initial password, a password prompt appears each time the system is pow- ered on.

  • Page 45: Keyboard Lock Hotkey

    To receive the latest BUU diskette (in the U.S. only), call the Technical Support Center at (800) 632-4525 or download the BUU by logging onto NEC's Electronic Bulletin Board System (BBS) and perform the procedures described in the following subsections.

  • Page 46: Using The Update Utility

    2-18 Setup and Operation At the File Menu, type D and then press Enter for download. Type the file name, L440 n B3.EXE, and press Enter. Insert the correct revision number in place of the n. Press Enter again. Set the default protocol on the BBS. The BBS displays a prompt that it is ready to send the file.

  • Page 47

    (see the following screen). If there is a problem, the appropriate message is displayed. NOTE: The Customize BIOS option shown in the following menu is no longer available. NEC BIOS Update Utility Main Menu Information Display BIOS Version Customize BIOS...

  • Page 48: Menu Functions

    2-20 Setup and Operation Menu Functions Use the Main Menu to update the BIOS version; other menu functions are optional. To se- lect a menu function, use the arrow keys to highlight the function and press Enter. If help is needed, press F2 for additional information.

  • Page 49

    Setup and Operation 2-21 When selecting the Install New BIOS function, a message similar to the following appears. This procedure will install the new BIOS in your system. After the new BIOS is installed, your system will be reset. Enter “Y” to continue [N] Note: Your current BIOS will be saved if a copy of it does not already exist on this disk.

  • Page 50

    2-22 Setup and Operation This procedure installs the previously saved BIOS in the system. Selecting this function dis- plays a message similar to the following. This procedure installs the previously saved BIOS in your computer. After the new BIOS is restored, your system is reset.

  • Page 51: Connecting The Ac Adapter

    Setup and Operation 2-23 POWER SOURCES For optimum performance and power conservation, use the AC adapter to power the NEC Versa 4000 series system. Other power sources include the battery pack, the optional car DC adapter and the optional docking station .

  • Page 52: Battery Power

    Li-Ion battery. Or, recharge the battery pack as follows. Recharging the Battery Pack To recharge the battery, leave the battery in the system and connect your NEC Versa to the AC adapter and wall outlet. If you connect the system to the AC power and continue to use it, the battery recharges in 2.5 to 7 hours.

  • Page 53: Battery Cover Latch Location

    Setup and Operation 2-25 Lift the cover up and away from the system. Battery Cover Latch Figure Section 2-9 Battery Cover Latch Location Insert the new battery as follows: Align the battery terminals with the terminals in the system. Lower the terminal end of the battery pack into the bay, Next, lower the notched end into the bay.

  • Page 54: Battery Bay Cover Replacement

    2-26 Setup and Operation Replace the battery bay cover as follows: Align the tabs on the battery cover with the notches in the system. Lower the cover onto the system. Slide the cover towards the middle of the unit. Tuck the tabs on the back of the cover under the chassis.

  • Page 55: Automatic Power-saving Features

    Setup and Operation 2-27 AUTOMATIC POWER-SAVING FEATURES Table Section 2-7 lists the NEC Versa 4000 series automatic power conserving features. These features work during battery and AC operation. The features listed below do not work when the optional docking station is connected.

  • Page 56: Illustrated Parts Breakdown

    Illustrated Parts Breakdown This subsection contains the illustrated parts breakdown (IPB) and NEC part numbers for the NEC Versa 4000 series system. Table Section 3-1 lists field-replaceable parts and corre- sponding part numbers. Table Section 3-2 lists option and documentation part numbers.

  • Page 57

    3-2 Illustrated Parts Breakdown Table Section 3-1 NEC Versa 4000 Series Field-Replaceable Parts* Item Description Part Number LCD Indicator 808-872191-003A LCD Base Assembly, includes speakers (C-SVGA) LCD Base Assembly, includes speakers (C-TFT) 136-237705-001A LCD Base Assembly, includes speakers (C-DSTN) 136-237706-001A...

  • Page 58: Nec Versa 4000 Series Illustrated Parts Breakdown

    Illustrated Parts Breakdown 3-3 Figure Section 3-1 NEC Versa 4000 Series Illustrated Parts Breakdown* ____________ This data was prepared January 1998. For an up-to-date listing of spare parts, please call FaxFlash (888) 329-0088 and order document number 42200013.

  • Page 59: Option And Documentation Part Numbers

    14.4Kbps Data/Fax Modem (PCMCIA) OP-710-4009 NEC VersaPage PC-Card Pager OP-710-4411 High Performance Ethernet Card OP-720-1201 NEC VersaVideo Portable Digital Video Card OP-750-4701-1 500 Kbps SCSI Card OP-740-4001 NEC Versa 4000 Series Quick Setup Sheet 819-181301-000 NEC Versa 4000 Series User's Guide...

  • Page 60

    Appendix A Connector Locations and Pin Assignments Table Appendix A-1 lists connector descriptions. The remaining tables provide pin assign- ments for system connectors. Table Appendix A-1 CPU Board Connectors Connector Description LCD Indicator Panel P2 and P3 Keyboard Connectors Rear Infrared Assembly VersaGlide CMOS Battery Bridge Battery...

  • Page 61

    Connector Locations and Pin Assignments Table Appendix A-3 Serial Port Connector Pin Assignments Signal Data Carrier Receive Data Transmit Data Data Terminal Ready Ground Data Set Ready Request to Send Clear to Send Ring Indicator Table Appendix A-4 CRT Connector Pin Assignments Signal Green Blue...

  • Page 62: Appendix A Connector Locations And Pin Assignments

    Connector Locations and Pin Assignments Table Appendix A-5 Parallel Printer Pin Assignments Signal - Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 - Acknowledge Busy Select - Auto Feed XT...

  • Page 63

    Connector Locations and Pin Assignments Table Appendix A-6 Expansion Connector Pin Assignments Signal DSDET2 Ground 4-23 DSDET2 +12V CHG 25-32 Docking Station Detect AGND AGND AGND BALE IOCHCK IOCHRDY SBHE MEMR MEMW RESET DRV SMEMR SMEMR IOCS16 PC Detect HDD Access FDD Access Mouse Clock Mouse Data...

  • Page 64

    Connector Locations and Pin Assignments Table Appendix A-6 Expansion Connector Pin Assignments Signal Keyboard Data Reserved +12V Sys Floppy Track 0 Through +12V Sys CRT Red CRT Green SA17 SA18 SA19 MENCS16 Refresh Printer-Strobe Printer-Acknowlg Printer-Busy Printer-P End Printer Select Printer-Auto FD Printer -Error Printer-Initialize...

  • Page 65

    Connector Locations and Pin Assignments Table Appendix A-6 Expansion Connector Pin Assignments Signal LA21 LA20 LA19 LA18 LA17 FD-Write Protect FD-Disk Change FD-Read Data FD-Index CRT-Blue CRT-HSync SD10 SD11 SD12 SD13 SD14 SD15 Master Serial-CD Serial-TXD Serial-RXD Serial-DTR Serial-DSR Serial-RTS Serial-CTS Serial-RI FD-Drive Select...

  • Page 66

    Connector Locations and Pin Assignments Table Appendix A-6 Expansion Connector Pin Assignments Signal 129-132 Reserved CRT-VSync CLK1 PR-D2 PR-D4 PR-D6 IRQ3 IRQ5 IRQ7 IRQ10 IRQ12 IRQ15 DRQ1 DRQ3 DRQ6 DACK0 DACK2 DACK5 DACK7 FD-Drive Select 1 FD-Motor 1 FD-Write Data SA15 SA13 SA11...

  • Page 67

    Connector Locations and Pin Assignments Table Appendix A-6 Expansion Connector Pin Assignments Signal Audio Analog Ground Audio Analog Ground Line-in Right Line-in Left PR-D0 PR-D1 PR-D3 PR-D5 PR-D7 IRQ4 IRQ6 IRQ9 IRQ11 IRQ14 Table Appendix A-7 Power Connector Signal Not Defined +19V Ground...

  • Page 68

    Connector Locations and Pin Assignments Table Appendix A-8 Hard Disk Drive Connector Signal HDD Access LED Chip Select 0 Chip Select 1 Address 0 Addrss 2 Address 1 Diagnostic Not Used Not Used IO16I IO Channel Ready Cable Select IO Write I/O Read Not Used Data 0...

  • Page 69

    A-10 Connector Locations and Pin Assignments Table Appendix A-9 Diskette Drive Connector Signal SIDE FDCNT RDATA No Connection WPRT Ground Ground No Connection TRK0 Ground No Connection WDATA Ground Ground No Connection STEP Ground No Connection No Connection MOTOR DSKCHG No Connection DRVSEL No Connection...

  • Page 70

    Index Expansion port pin assignments, A-8 External keyboard connector pin AC adapter, 2-23 assignments, A-1 Accessing setup, 2-10 Active mode, 1-17 Automatic power saving, 2-27 Flash ROM, 1-13, 2-17 Function keys, 2-6 Battery charging time, 2-24 Battery pack, 1-4 Battery power, 2-24 Hard disk drive connector pin assignments, Battery status, 2-5 BIOS update, 1-14...

  • Page 71

    Replacing the battery pack, 2-24 Microprocessor, 1-1, 1-12 ROM BIOS, 1-14 Multimedia, 1-2 Saving battery power, 2-26 NEC Versa 4000 parts list, 3-1 Security options, 2-16 NEC Versa 4000 system specifications, 1- Serial interface, 1-12 Serial port connector pin assignments, A-2...

  • Page 72

    Index-3 VersaBay II, 1-5 VersaGlide, 1-5 VGA controller, 1-14 Video controller architecture, 1-15 Video mode 640x480 DSTN, simultaneous CRT, 1-10 640x480 TFT, simultaneous CRT, 1-9 CRT only, 1-7 Video RAM, 1-7...

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