NEC VERSA S Service Manual Download Page 23

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1-12 Technical Information

Table Section 1-8 Specifications

Item

Specification

System Board

Flash ROM

128 KB:

28F010

System BIOS:

64 KB

Video BIOS:

32 KB

Power Management: 32 KB

I/O Interface Connectors

6-pin PS/2 External Keyboard/mouse Connector

9-pin Serial Connector

15-pin VGA Connector

25-pin Parallel Connector

3-pin DC-In Power Connector

72-pin Internal Memory Connector

44-pin IDE Connector

26-pin External Diskette Drive Connector

CPU

SL Enhanced i486 DX2-50 or SX-33

Clock Speed

50 MHz or 33 MHz

Memory

System Memory

4 MB resident on system board

Optional

Expandable to 12 MB

Video RAM

512 KB

Cache RAM

8 KB

Display

Monochrome Model

Technology: FTN, backlit, monochrome LCD

Resolution: 640 x 480 pixels

Display: 64 shades of gray

Dot Pitch: 0.3 mm

Viewing Area: 9.5 in. screen

Interface: Super VGA

Color Models

Technology:

— Versa S/50C, S/33C: TFT, backlit, color LCD
— Versa S33DDSTN, backlit, color LCD

Resolution: 640 x 480 pixels

Summary of Contents for VERSA S

Page 1: ...uct 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...

Page 2: ...n of the operating controls System Configuration Utility and system password Section 3 Power Management describes how to use power management options to con serve energy and save battery power Section 4 Options provides the user with installation information for options such as PCMCIA cards memory upgrade hard disk upgrade and connecting external devices Section 5 Troubleshooting and Repair includ...

Page 3: ...knowledge DC direct current DIP dual in line package DLAB Divisor Latch Address bit DMA direct memory access DMAC DMA controller DOS disk operating system DRAM dynamic RAM DTE data terminal equipment ECC error checking and correction EGA Enhanced Graphics Adapter EPROM erasable and programmable ROM EVGA Enhanced Video Graphics Array F Fahrenheit FCC Federal Communications Commission FG frame groun...

Page 4: ...flat package PIO parallel input output pixel picture element PLCC plastic lead chip carrier PLL phase lock loop p p peak to peak PPI programmable peripheral interface PROM programmable ROM QFP quad flat pack RAM random access memory RAMDAC RAM digital to analog RAS row address strobe RGB red green blue RGBI red green blue intensity ROM read only memory rpm revolutions per minute R read RTC real ti...

Page 5: ...t Output Controller 1 7 Keyboard Controller 1 8 PCMCIA Controller CL PD6720 1 8 I O Addressing 1 8 Interrupt Controller 1 9 Power Management Overview 1 10 Specifications 1 11 Section 2 Setup and Operation Unpacking the System 2 1 Setup 2 1 Replacing a Battery Pack 2 3 Operating Controls 2 5 LED Status Bar 2 5 SurePoint and Selection Buttons 2 7 Fn Key 2 7 Reset Button 2 8 Power on Self Test Post 2...

Page 6: ...ility 3 1 Menu Options 3 3 Controls 3 3 System Options 3 4 Device Setup 3 5 Default Setup 3 6 Exit 3 6 APM Program 3 6 Hardware Power Management 3 7 System Power Management 3 7 Device Status 3 8 Extending Battery Life 3 9 Section 4 Options PCMCIA Cards 4 1 Modem Card Connection 4 2 External Devices 4 5 Parallel Devices 4 5 Serial Devices 4 6 Keyboard 4 6 Mouse 4 7 Monitor 4 8 Internal Upgrades 4 9...

Page 7: ...ems 5 4 Error Messages 5 6 Beep Codes 5 8 Disassembly and Reassembly 5 8 Removing the Battery Pack 5 9 Removing the Keyboard 5 10 Removing the Memory Module 5 13 Removing the Hard Disk 5 14 Removing the System Cover and LCD Assembly 5 15 Removing the CMOS or Bridge Battery 5 17 Removing the Inverter Circuit Board 5 18 Removing the System Board 5 19 Removing the LED Circuit Board 5 20 Removing the ...

Page 8: ...nd Selection Buttons 2 7 2 11 SCU Main Menu 2 9 3 1 Power Management Menu 3 2 4 1 PCMCIA Card Slots 4 2 4 2 Installing the Modem Card 4 3 4 3 Connecting the Adapter 4 3 4 4 Telephone Line Connection 4 4 4 5 Modem and Telephone Connection 4 5 4 6 Connecting a Parallel Device 4 5 4 7 Attaching a Serial Device 4 6 4 8 Attaching the External Keyboard 4 7 4 9 Connecting the Mouse 4 8 4 10 Connecting th...

Page 9: ...s 5 12 5 8 Locating the Memory Module 5 13 5 9 Removing the Memory Module 5 13 5 10 Locating the Hard Disk 5 14 5 11 Removing the Screw 5 14 5 12 Removing the Hard Disk 5 15 5 13 Removing System Cover Screw Rear 5 15 5 14 Removing System Cover Screws Bottom 5 16 5 15 Removing System Cover Screws Top 5 16 5 16 Removing the System Cover and LCD Assembly 5 17 5 17 Removing the CMOS and Bridge Batteri...

Page 10: ...3 1 Status of Devices in Auto Suspend Mode 3 8 3 2 Status of Devices in Power Saving Mode 3 8 5 1 NEC Service and Information Telephone Numbers 5 1 5 2 Problems and Solutions 5 5 5 3 Error Messages 5 7 5 4 Beep Codes 5 8 5 5 Disassembly 5 8 5 6 Versa S Field Replaceable Parts List 5 23 5 7 Documentation 5 24 A 1 Serial Interface Connector A 1 A 2 Parallel Interface Connector A 2 A 3 VGA Interface ...

Page 11: ...Contents xi ...

Page 12: ...3 CPU double scan super twist nematic DSTN color LCD 4 MB standard RAM 8 KB cache RAM 128 KB ROM 210 MB hard disk n Versa S 33M 486SX 33 CPU monochrome LCD 4 MB standard RAM 8 KB cache RAM 128 KB ROM 210 MB hard disk 125 MB international models Figure Section 1 1 shows the components on the front and side views of the Versa S Figure Section 1 1 Versa S Components The following system upgrades must...

Page 13: ...erial port one 25 pin enhanced printer parallel port and one 3 pin power connector port Figure Section 1 2 Versa S Series Rear View Liquid Crystal Display LCD The Versa S comes with one of three different LCD panels Each panel provides a 9 5 inch viewing area n The thin film transistor TFT color LCD has a 640 x 480 resolution is backlit and supports up to 4096 colors n The Dualscan Super Twisted N...

Page 14: ... layout Versa SurePoint The Versa SurePoint pointing device performs the functions of a mouse It is located between the G H and B keys Pressing the Versa SurePoint in a specific direction moves the cursor in that direction The two selection buttons below the keyboard act like the left and right mouse buttons on a two button mouse The Versa SurePoint is the system s default pointing device unless a...

Page 15: ...When blinking the system is in Suspend mode When off Power Management features are disabled n Hard Disk LED lights green when the hard disk is being accessed Avoid turning off the Versa S when this LED is lit n Diskette Drive LED lights green when a diskette is being accessed n Caps Lock LED lights green when the Caps Lock is in effect n Scroll Lock LED lights green when the scroll lock key is act...

Page 16: ...irrus Logic VGA Controller 208 pin QFP 80C51SL Intel Keyboard Controller 44 pin QFP CL PD6720 B Cirrus Logic PCMCIA Controller 208 pin QFP QFP quad flat package PLCC plastic lead chip carrier CPU The CPU is an Intel SL Enhanced i486 chip DX2 50 or SX 33 The CPU controls im portant functions including power management direct drive bus interface and memory management It has a 32 bit internal data bu...

Page 17: ...hips with 512 KB VRAM supporting LCD video modes up to 640 x 480 resolution with 256 colors color model or 64 shades of gray monochrome model The system provides a 15 pin D SUB connector to allow connecting an external display to the system The system supports external display video modes up to 1024 x 768 with 16 colors or 800 x 600 x 256 color non interlaced System video also supports simultaneou...

Page 18: ...ogy Enhanced mode enables high speed data transmission to occur using either the unidirectional or bidirectional modes Parallel port addresses and interrupts are listed in Table Section 1 4 Pin locations for the parallel interface are listed in Appendix A Table Section 1 4 Parallel Port Addresses and Interrupts Starting I O Address Interrupt Level 378h LPT 1 IRQ07 278h LPT 2 IRQ05 3BCh LPT 3 IRQ07...

Page 19: ...ce must acknowledge that the data was successfully received by sending a response to the controller for each byte of data received PCMCIA Controller CL PD6720 The PCMCIA interface uses a standard Exchangeable Card Architecture ExCA connector allowing the user to choose from an array of optional modem or network cards The con troller interfaces with the ISA bus PCMCIA card socket and configuration ...

Page 20: ...ette Drive Controller 0378H 037AH LPT1 03BCH 03BEH LPT3 03F0H 03F5H Diskette Drive Controller Port Status 03F8H 03FFH Serial Controller Port A 0461H Port 461 EISA mode 0C00H Extended System Port 1 0C01H Extended System Port 2 0C02H Extended System Port 3 0C03H Extended System Port 4 0C10H Extended System Port 6 03E0 03E1 PCMCIA Interrupt Controller The interrupt controller operates as an interrupt...

Page 21: ...ons Power Management Overview The Versa system uses power management features to prolong system battery life The CPU SL Enhanced i486 implements a System Management Interrupt SMI function that works transparently with the operating system and application software When acti vated the processor mode changes to real mode Unique SM RAM containing power management software is mapped at address 30000h 3...

Page 22: ...80 key standard U S 81 key standard UK and Germany Fn Key for ROM based functions Device Slots One internal 2 1 2 inch x 0 75 inch high slot right side access for standard hard disk One 3 1 2 inch x 0 75 inch high slot bottom access for primary battery One memory slot for optional memory card Two PCMCIA slots that support up to two optional cards oriented one on top of the other Power AC Adapter I...

Page 23: ...emory Connector 44 pin IDE Connector 26 pin External Diskette Drive Connector CPU SL Enhanced i486 DX2 50 or SX 33 Clock Speed 50 MHz or 33 MHz Memory System Memory 4 MB resident on system board Optional Expandable to 12 MB Video RAM 512 KB Cache RAM 8 KB Display Monochrome Model Technology FTN backlit monochrome LCD Resolution 640 x 480 pixels Display 64 shades of gray Dot Pitch 0 3 mm Viewing Ar...

Page 24: ...er integrated on hard disk Software Standard MS DOS version 6 2 Windows version 3 1 APM drivers Mouse drivers Systemsoft CardSoft PCMCIA Auxiliary Windows Video Drivers AWD NEC Communications Assistant Versa S on line help Windows and DOS on line help 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_ ...

Page 25: ...elds electric motors transformers etc Place the shipping carton on a sturdy surface and carefully unpack the system The carton includes the base unit external diskette drive AC adapter AC power cable software diskettes spare SurePoint caps and user documentation SETUP Perform the following procedure to set up the Versa S 1 Open the LCD panel Figure Section 2 1 Opening the LCD Panel 2 Connect the A...

Page 26: ...ystem lights Figure Section 2 2 Attaching the AC Adapter 4 Connect the diskette drive optional to the system as follows n Align the diskette drive cable connector with the diskette drive port on the system n Press the connector into the port until it clicks into place Figure Section 2 3 Connecting the Diskette Drive Power Port AC Adapter AC Power Cable Diskette Drive Port Cable Connector ...

Page 27: ...he Versa S Replacing a Battery Pack Follow these instructions to replace a battery pack 1 Close the LCD panel securely Disconnect any external options 2 Turn the Versa S upside down 3 Locate the battery release latch on the bottom of the system and slide it back 4 Lift up and remove the battery pack Figure Section 2 5 Removing the Battery Pack Power Button Release Latch Battery Battery Pack ...

Page 28: ...t Figure Section 2 6 Locating the Tabs and Grooves 6 Lower the battery pack into the compartment Press it down until the battery pack latch clicks and locks the battery in place Figure Section 2 7 Inserting the Battery Pack 7 Turn the Versa S right side up and reconnect the external options Battery Pack Tabs Battery Pack Grooves ...

Page 29: ...tions LED Status Bar The LED status bar contains eight light emitting diodes LEDs that light or blink to show the status of Versa S components Figure Section 2 9 identifies the LEDs on the status bar A description of the LEDs follow Figure Section 2 9 LED Status Bar Fn Key Keyboard LED Status Bar LCD Reset Button A Power Mgmt Charge Hard Disk Drive Diskette Drive Lock Caps Lock Scroll Power Num Lo...

Page 30: ...s malfunctioned When off no battery is installed the AC adapter is not attached or the battery is fully charged n Power Management LED lights green When lit continuously Power Management features are enabled When blinking the system is in Suspend mode When off Power Management features are disabled n Hard Disk LED lights green when the hard disk is being accessed Avoid turning off the Versa S when...

Page 31: ...inations provide the following system functions n Fn Esc the Suspend button puts the system in Suspend mode This initiates power saving features to conserve energy and battery power n Fn Home the Break key stops whatever command is currently executing n Fn Pg Up the Print Screen key sends the current screen to the assigned printer n Fn Pg Dn the Pause key temporarily stops command execution n Fn E...

Page 32: ... system locks up or fails to re spond to keystrokes 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 If the message ...

Page 33: ...Section 2 11 SCU Main Menu The Main Menu is made up of the following areas n A menu bar at the top of the screen lists the menus n The next block shows information about the SCU software the current date and time Standard Preferences VGA Memory PowerMgmt Defaults Exit SystemSoft SCU Copyright 1983 1994 SystemSoft Corp 06 07 1994 09 32 02 Memory Peripherals Base Memory 640KB COM Port A COM1 3F8h Ex...

Page 34: ...e between enabled and disabled as when selecting Num Lock Press En ter to enable a highlighted option A check appears next to the enabled option Press Enter to disable an enabled option The option is disabled and the check disappears n Some options display a list from which to choose as when selecting a ty pematic rate Use the up and down arrows to highlight the selection and press Enter 2 Press E...

Page 35: ...t Address Set the parallel port I O address LPT1 378h default setting LPT2 278h LPT3 3BCh Disable n Diskette Drive Set the diskette drive type for Drive A It is recommended that this setting not be changed 1 44 MB default setting 720 KB None n Hard Disk Set the hard disk type for Drive C If replacing the hard disk see the documentation that comes with the new drive for hard disk setting informa ti...

Page 36: ...isable Num Lock mode at system start up The embedded keypad produces the assigned numbers rather than letters when enabled Re gardless of this setting the Num Lock key will enable and disable the Num Lock mode The default setting is disabled n Boot Speed Set the initial CPU speed When running on battery power the slower speed can extend operating time Choose from the following selections Fast Cloc...

Page 37: ...ed No one will be able to use the system without first entering the password If the password is forgotten call the NEC Technical Support number listed in Chapter 4 n SCU Password Set a password to access the SCU When this option is en abled no one can change system setup parameters without first entering the cor rect password This option prevents someone from setting a boot password that could den...

Page 38: ...emory setup features enable and disable cache memory n Cache Enable Enabling this feature can speed up some application processing The cache is enabled at the factory To disable cache memory highlight the option and press Enter Power Management For details about power management features and settings see Section 3 Default Setup Sets default values for all setup entries Defaults set for the Standar...

Page 39: ... 10 cps n Typematic Delay 500 ms n Boot Password Disabled n SCU Password Disabled n First Boot Drive A The default setting in the VGA submenu is as follows n Display Mode LCD The default setting in the Memory submenu is as follows n Cache Enable Enabled Exit Highlight Exit and press Enter to exit the SCU n If no changes were made the following system message appears ESC to exit now Any other key t...

Page 40: ...xit Enter to save and exit Any other key to continue If Esc is pressed the system does not save any changes and exits the SCU The system does not reboot If Enter is pressed the system writes the new setup values to backup battery memory then exits the program The system reboots If any other key is pressed the system returns to the SCU Main Menu ...

Page 41: ...tending battery life for the Versa S POWER MANAGEMENT UTILITY The Power Management utility provides settings for various power saving features They include n enable or disable Power Management n set the system to go into Suspend mode automatically when closing the LCD panel n specify time outs for the CPU LCD and hard disk before going into Suspend mode n stipulate many other power saving features...

Page 42: ...s Enter to disable enabled options The check disappears and the option is disabled n Some options display a list from which to choose Use the up and down arrows to highlight the desired choice and press Enter 5 Press Esc to return to the previous menu 6 Press F10 to save the changes at any time Controls System Device Defaults Exit SystemSoft MAXIMIZER TM for 80486 86C268 Version 0 3 2305 02 Copyri...

Page 43: ...stem to enter Suspend mode when it detects low battery power n Modem Ring Resume When enabled this option specifies that if the system detects a modem ring it returns to normal operation mode if it is in a power saving mode n Alarm Resume When enabled this option directs the system to exit power saving modes at a specified time Once enabled the system asks for a time to re sume operation mode High...

Page 44: ...wing the rate of the CPU speed Choices are as follows 4 sec default setting 8 sec 16 sec Disable n Global Standby Specify how long the system is idle before entering Global Standby mode Global Standby powers down the specified devices and slows the CPU clock speed 1 Minute Min 2 Min 4 Min default setting 6 Min 8 Min 12 Min 16 Min Disable n Auto Suspend Define how long the system is inactive before...

Page 45: ...Enable ON Disable OFF default setting Device Setup The options under Device Setup specify how long a device is inactive before power saving is activated n Video Specify how long the monitor waits for system inactivity before putting the LCD or CRT into Video Standby mode The screen goes blank in Video Standby This mode is most effective in LCD mode because it turns off the panel backlight 1 Min 2 ...

Page 46: ...re made the system displays the following message ESC to exit now Any other key to continue Follow the appropriate instructions APM PROGRAM Advanced Power Management conserves power through features that are specified by the APM program APM settings are already specified in the system When power management is enabled through the SCU the system retrieves the settings specified in APM and initiates ...

Page 47: ...e following n APM Idle APM uses an Idle Detector to sense system inactivity The detector does not work with some applications n CPU Standby When enabled APM slows the CPU clock speed to 3 125 MHz if no system activity is detected for the specified timeout Once system activity is detected the CPU clock speed returns to normal NOTE System activity includes diskette drive and hard disk access keyboar...

Page 48: ...s not work with operating systems that employ protected modes such as OS 2 and UNIX To use a protected mode operating system disable power saving The following table shows the status of devices when the system is in the listed power sav ing mode Table Section 3 2 Status of Devices in Power Saving Mode Device CPU Standby Global Standby Suspend CPU 1 2 maximum 1 2 maximum Off Evergreen PINE On On Su...

Page 49: ...ese guidelines work with AC power as well as battery power Some of these features must be set up through the Power Management utility See the preceding sections in this section for details n Turn off the system when not using it n Adjust the LCD brightness and contrast to the lowest settings that are comfort able for viewing n Use the Power Management utility to shorten the timeouts set for poweri...

Page 50: ...available outside of the U S Contact an authorized NEC dealer for specific information PCMCIA CARDS The Versa S has two PCMCIA card slots for attaching options like a fax modem Local Area Network LAN card additional memory and extra hard disk storage The Versa S can handle Type I II or III PCMCIA cards and card combinations n Up to two Type I cards n Up to two Type II cards n One each Type I and T...

Page 51: ...ts Modem Card Connection A telephone cable with modular RJ11 connectors on both ends is required to connect a modem card to a telephone system These cables and other accessories can be purchased wherever telephones are sold NOTE PCMCIA modem connector adapters vary See the guide that came with the modem card for specific setup information PCMCIA Card Slot ...

Page 52: ... See the Versa Series PCMCIA User s Guide for details about installation Figure Section 4 2 Installing the Modem Card 2 Connect the modem adapter to the modem card Figure Section 4 3 Connecting the Adapter 3 Plug one of the modular telephone cable connectors into the jack on the modem adapter PCMCIA Card Slot PCMCIA Card Modem Adapter ...

Page 53: ...telephone a dual RJ11 connector is needed Figure Section 4 4 Telephone Line Connection 5 Plug the other end of the phone cable into the single jack on a dual RJ11 connec tor 6 Unplug the telephone cable from the wall Plug the cable into one of the remaining jacks on the dual RJ11 connector 7 Connect another telephone cable to the second jack on the dual RJ11 connector and to the wall jack NOTE An ...

Page 54: ...st parallel printers one end of the cable should have a 36 pin Centronics connector Follow these steps to attach a parallel device to the Versa S 1 Open the port cover on the back of the Versa S and locate the parallel port 2 Connect the 25 pin cable connector to the parallel port 3 Secure the connection with the screws provided 4 Connect the 36 pin connector to the port on the device Lock the con...

Page 55: ...ws provided 4 Align and connect the 9 pin connector to the correct port on the serial device Se cure the connection with the screws provided 5 Connect the power cable to the serial device and a properly grounded wall outlet Figure Section 4 7 Attaching a Serial Device Keyboard Follow these steps to connect an external keyboard to the system 1 Turn off the Versa S Do not leave it in Suspend or Stan...

Page 56: ... mouse in Windows and DOS programs is al ready installed in the system Connect an external mouse to the Versa S as follows 1 Turn off the Versa S Do not leave it in Suspend or Standby mode CAUTION Make sure the Versa power is off whenever adding or removing the mouse Oth erwise the system fails to recognize the mouse 2 Open the port cover on the back of the Versa S and locate the external keyboard...

Page 57: ...ternal monitor change the VGA setting through the SCU or the Fn F2 function key To use the monitor the VGA option should be either CRT or Both If the setting is LCD the Versa S does not recognize or activate the external monitor See Chapter 2 for details about using the SCU NOTE Use Fn F2 to toggle between LCD CRT and Both Follow these steps to connect an external monitor to the Versa S 1 Turn off...

Page 58: ...TE Whenever using an external monitor with the Versa S turn on the monitor first Oth erwise the notebook does not recognize the ex ternal monitor type 6 Turn on power to the Versa S INTERNAL UPGRADES Internal upgrades to the Versa S include expanding memory and upgrading the hard disk Performing these upgrades require the following basic procedures n Moving the keyboard out of the way n Performing...

Page 59: ...mode when installing internal options 3 Open the LCD panel until it lies flat 4 Locate the plastic retainer across the top of the keyboard 5 Find the groove between the F7 and F8 function keys Insert a thin pointed object like the tip of a small screwdriver under the retainer Figure Section 4 1 Locating the Retainer Flip the retainer up to remove it Put it in a safe place The keyboard springs up a...

Page 60: ...abs from under the chassis Figure Section 4 3 Lifting the Keyboard n Once the keyboard clears the chassis gently turn the keyboard over moving the keys towards the LCD panel n Rest the keyboard on the LCD panel Figure Section 4 4 Leaning the Keyboard against the LCD 7 Proceed as follows n To install a memory module go to Upgrading Memory n To install a new hard disk go to Upgrading the Hard Disk K...

Page 61: ...of the following memory modules n 4 MB memory module n 8 MB memory module Install the memory module as follows 1 Move the keyboard out of the way follow the instructions in the preceding sec tion 2 Locate the memory module socket on the system board Figure Section 4 5 Locating the Memory Module Socket 3 Align the memory module connector with the socket on the system board Memory Module Socket ...

Page 62: ...f there is nothing else to be installed go to Replacing the Keyboard to continue with the upgrade Upgrading the Hard Disk Upgrade the hard disk as follows 1 Move the keyboard out of the way following the instructions in Moving the Key board 2 Locate the hard disk Figure Section 4 7 Locating the Hard Disk Hard Disk Shield ...

Page 63: ...erase the data on the hard disk Figure Section 4 8 Removing the Screw 4 Lift the shield out of the system 5 Disconnect the hard disk from its connectors and slide it out of the system Figure Section 4 9 Removing the Hard Disk 6 Lower the new drive into the system align the drive connectors with those in the system and slide the drive into position Shield Screw Hard Disk ...

Page 64: ...rewdriver to replace the screw Doing so can erase the data on the hard disk 10 If there is nothing else to be installed go to the next section Replacing the Keyboard to continue with the upgrade Replacing the Keyboard Replace the Versa S keyboard as follows 1 Turn the keyboard over and align it so it is parallel with the system 2 Lower the tabs on the front of the keyboard under the edge of the ch...

Page 65: ... center of the re tainer until it snaps into place Figure Section 4 12 Inserting the Retainer 5 Reconnect any external options that were disconnected before starting the instal lation 6 To complete the software part of the installation continue with the next section Running Setup Running Setup The first time starting the Versa S after installing the memory module or hard disk an error message appe...

Page 66: ...nizes the additional memory Hard Disk If replacing the hard disk follow these steps 1 Press Ctrl Alt S or Fn F9 to start the SCU Select Standard then HDD then Auto to read the new hard disk parameters 2 Press F10 to save the new drive parameters Once the information is saved the system automatically recognizes the new drive ...

Page 67: ... the appropriate menu to reach one of the following departments Information Center literature dealer locations sales leads response to ads NASC National Authorized Service Centers Administration new dealer service authorization warranty claims NSRC National Service Response Center questions other than products spare parts or technical support Service Contracts TAC Technical Assistance Center techn...

Page 68: ...tside of the system unit keyboard and LCD with a soft clean cloth Remove stains with a mild detergent Do not use solvents or strong abrasive cleaners on any part of the system 3 Clean the LCD with glass cleaner then wipe with a clean lint free cloth 4 Clean the keys with a damp cloth A small soft brittle brush may be used to clean between the keys Make sure to use a damp cloth not wet to prevent m...

Page 69: ...figuration information stored in CMOS memory After activating this switch run the SCU to reenter the system infor mation date time hard disk type and so on Follow these steps to clear CMOS memory 1 Turn off system power 2 Move the keyboard out of the way see Removing the Keyboard in Section 4 Options Do not disconnect the keyboard cables from the system board 3 Locate the CMOS clear switch on the ...

Page 70: ...n assignments are explained in Appendix A Problem Checklist First check the items in the following list If these do not help see the following subsection Diagnosing and Solving Problems n Power is connected to the computer n The electrical outlet to which the AC adapter is connected is working Test the outlet by plugging in a lamp or other electrical device n If using battery power the battery pac...

Page 71: ... the LCD is connected to the system correctly LCD screen does not show data 1 Power saving mode has shut off the backlight Press any key Fn Esc or the suspend button 2 The built in LCD may not be selected Press Fn F2 3 Brightness and contrast controls need adjustment 4 Plug in the AC adapter or replace the primary battery pack Press the suspend button to resume operation Battery power does not las...

Page 72: ...work 1 Check the RS232C connection 2 Check SCU to see if system is configured for RS232C use 3 Make sure RS232C driver is installed Parallel devices do not work 1 Check printer connection 2 Check SCU to see if system is configured for parallel devices 3 Make sure printer driver is installed Suspend mode does not work 1 Remove the DC cable if connected 2 Push the suspend button again firmly Resume ...

Page 73: ...ting Invalid configuration information run SCU Start the SCU check the system parameters set and correct them Exit and save the parameters set Connect the AC adapter to charge the internal backup battery Restart the SCU and set the correct parameters Real time clock failure Set the time and date using the SCU Exit and save to update the parameters Connect the AC adapter to charge the internal back...

Page 74: ...L L P ROM checksum failure S S S P L S S P CMOS RAM failure S S S P L S L P DMA controller failure S S S P L L L P interrupt controller failure S S S P L L L P 80C51SL 8042 keyboard controller failure S S L P S S S P Video adapter failure S S L P S S L P RAM failure no message is displayed Note S Short beep P Pause L Long beep DISASSEMBLY AND REASSEMBLY This subsection contains step by step disass...

Page 75: ... unit are shown later in this section Required tools include a Phillips head screwdriver nonmagnetic small flat tip screwdriver and needle nose pliers When disassembling the system unit follow these general rules n Turn off and disconnect all power and all options including the AC adapter and battery pack n Do not disassemble parts not specified in the procedure n Label all removed connectors Note...

Page 76: ...installing internal options 1 Turn off system power 2 Unplug the Versa S and any peripheral devices connected to it 3 Open the LCD panel until it lies flat 4 Locate the plastic retainer across the top of the keyboard 5 Find the groove between the F7 and F8 function keys Insert a thin pointed object like the tip of a small flat tip screwdriver under the retainer Figure Section 5 3 Locating the Plas...

Page 77: ...n the retainer is removed Figure Section 5 4 Removing the Retainer 7 Move the keyboard out of the way as follows n Gently lift the back of the keyboard up no more that 1 5 inches n Pull the keyboard back slightly to release the front tabs from under the chassis casing Figure Section 5 5 Lifting the Keyboard Retainer Keyboard ...

Page 78: ...tion 5 6 Leaning the Keyboard Against the LCD 8 Using a non conductive tool disconnect the three keyboard cables from the sys tem board To release the cable from the connector push the two tabs on the conductor to ward the cable 9 Remove the keyboard from the system unit Figure Section 5 7 Disconnecting the Keyboard Cables Keyboard bottom Keyboard Cable Connectors Keyboard Bottom Tabs ...

Page 79: ... preceding section 4 Locate the memory module on the system board Figure Section 5 8 Locating the Memory Module 5 Spread apart the two plastic tabs at each end of the memory module the tabs are part of the memory board s sockets Tilt the memory module back allowing the post to slide out of the hole in the memory module 6 Remove the memory module from the system board Figure Section 5 9 Removing th...

Page 80: ...board out of the way following the instructions in Removing the Keyboard 4 Locate the hard disk Figure Section 5 10 Locating the Hard Disk 5 Locate and remove the screw that secures the protective shield and the hard disk CAUTION Do not use a magnetic screwdriver when removing the screw Doing so can erase the data on the hard disk Figure Section 5 11 Removing the Screw Hard Disk Shield Shield Scre...

Page 81: ...se steps to remove the system cover and LCD assembly from the system chassis 1 Turn off system power 2 Unplug the Versa S and any peripheral devices connected to it 3 Remove the following items using the procedures provided earlier in this section n keyboard n hard disk 4 Close the LCD panel 5 At the rear of the system open the port cover and remove the rear cover screw securing the system cover t...

Page 82: ... system over Make sure the system is protected from any hard surfaces that could scratch it 7 Locate the three rubber plugs that conceal the bottom cover screws 8 Using a small flat tip screwdriver or other sharp object pry out the rubber plugs ...

Page 83: ... other sharp object pry out the rubber plugs 4 Remove the three screws securing the system cover to the system chassis Figure Section 5 1 Removing System Cover Screws Bottom 5 Turn the system back over to its normal position and open the LCD until it lies flat 6 Remove the six top cover screws securing the system cover to the system chas sis Figure Section 5 2 Removing System Cover Screws Top Plug...

Page 84: ...eparation and carefully twist the screwdriver to pry a portion of the system cover away from the system chassis n Continue to separate the front portion of the system cover from the chassis using the screwdriver n Carefully lift the front of the system cover and disconnect cables as needed Remove the system cover and LCD assembly Figure Section 5 3 Removing the System Cover and LCD Assembly Removi...

Page 85: ...verter circuit board 1 Turn off system power 2 Unplug the Versa S and any peripheral devices connected to it 3 Remove the following items using the procedures provided earlier in this section n keyboard n hard disk n system cover and LCD assembly 4 Disconnect and remove the inverter circuit board from the system board Figure Section 5 5 Removing the Inverter Circuit Board Bridge Battery CMOS Batte...

Page 86: ...d earlier in this section n keyboard n hard disk n system cover and LCD assembly n CMOS and bridge batteries n inverter circuit board 4 At the rear of the system remove two screws securing the system board to the chassis 5 Using needle nose pliers remove six nuts securing the system board to the chas sis 6 At the top of the system remove three screws and remove the system board Figure Section 5 6 ...

Page 87: ...e the following items using the procedures provided earlier in this section n keyboard n hard disk n system cover and LCD assembly 4 Locate the LED circuit board at the bottom of the system cover and LCD as sembly 5 Remove two screws and remove the LED circuit board and rear cover support bracket Figure Section 5 7 Removing the LED Circuit Board Rear Cover Support Bracket Screw LED Circuit Board C...

Page 88: ...at tip screwdriver or other sharp object remove the rubber plugs 6 Remove the two screws securing the LCD cover to the LCD assembly 7 Locate the two LCD cover tabs that conceal the LCD cover screws 8 Remove the two screws securing the LCD cover to the LCD assembly Figure Section 5 8 Removing LCD Cover Screws 9 Remove the LCD cover from the LCD assembly as follows CAUTION The LCD cover is fragile P...

Page 89: ...yboard n hard disk n system cover and LCD assembly n LED circuit board n LCD cover 4 Locate the two cover hinges at the bottom of the system cover 5 Remove the two screws securing the two cover hinges 6 Locate the two hinge plates at the top of the system cover 7 Remove the four screws securing the two hinge plates Remove the hinge plates and cover hinges 8 Separate the LCD assembly and system cov...

Page 90: ...36 611659 A 5 Connector Cover 136 612682 001A 6 CMOS Battery Lithium 808 873936 602A 7 System Board G8RFA 33 Mhz Mono DSTN 136 611646 001A System Board G8RFA 33 Mhz Color TFT 136 611646 002A System Board G8RFA 50 Mhz Color 136 611646 003A 8 Memory Module 4 MB 808 873936 607A Memory Module 8 MB 808 873936 608A 9 LED Circuit Board Assembly 136 611636 001 10 Front System Cover Assembly 136 611631 001...

Page 91: ... 21 Battery Pack 808 873936 600A 22 AC Adapter 808 873936 610A Table Section 5 2 Documentation Description Part Number Versa S Series User s Guide 819 180945 000 Versa S Series Quick Reference Guide 819 180933 000 Versa S Battery User s Guide 819 180947 000 Versa Series PCMCIA Card User s Guide 819 180869 001 Versa S Series Service and Reference Manual 819 180975 000 ____________ This data was pre...

Page 92: ...and Repair Figure Section 5 10 Versa S Illustrated Parts Breakdown ____________ This data was prepared June 1994 For an up to date listing of spare parts please call Fast Facts 800 366 0476 and order document umber 42180975 ...

Page 93: ...6235 video controller 1 6 Clock stretching 3 7 CMOS battery removing 5 17 CMOS clear 5 3 COM port assignments 2 11 Connector DC power A 4 diskette drive A 4 hard disk A 5 keyboard mouse A 3 parallel interface A 2 RS 232C serial interface A 1 VGA interface A 3 Controls LED Status Bar 2 5 reset button 2 8 Cover removing the LCD assembly 5 22 removing the LCD cover 5 21 removing the system cover and ...

Page 94: ...phone numbers 5 1 Input output controller 1 7 Installing external devices 4 5 4 9 external keyboard 4 6 hard disk 4 13 4 15 internal devices 4 9 memory 4 12 4 13 monitor 4 8 mouse 4 7 moving the keyboard 4 10 4 11 parallel devices 4 5 PCMCIA cards 4 1 4 5 running setup 4 16 serial devices 4 6 Intel SL Enhanced i486 chip 1 5 Internal upgrades hard disk 4 13 4 15 installing 4 9 memory 4 12 4 13 movi...

Page 95: ... 8 Mouse connecting 4 7 external 1 3 Versa SurePoint 1 3 N Num Lock 2 12 O Operating Controls Fn key 2 7 Options external devices 4 5 4 9 external keyboard 4 6 hard disk upgrade 4 13 4 15 internal upgrades 4 9 memory upgrade 4 12 4 13 modem card 4 2 4 5 monitor 4 8 mouse 4 7 parallel devices 4 5 PCMCIA cards 4 1 4 5 serial devices 4 6 P Parallel device connection 4 5 Parallel interface connector A...

Page 96: ...settings 2 11 LPT port address 2 11 main menu 2 9 menu options 2 10 Num Lock 2 12 password 2 13 quick boot 2 12 saving changes 2 15 setting the date 2 10 setting the time 2 10 SurePoint 2 11 typematic delay 2 13 typematic rate 2 12 use 2 10 video display type external 2 12 SCU Menu Options 2 10 2 16 SCU password 2 13 SCU LCD initial brightness control 3 3 Serial device connection 4 6 serial interf...

Page 97: ...t 5 4 Typematic delay 2 13 Typematic rate 2 12 U Unidirectional mode 1 7 Unpacking 2 1 Upgrades 260 MB hard disk 1 1 memory 1 1 Upgrading memory 4 12 4 13 Upgrading the hard disk 4 13 4 15 V Versa SurePoint 1 3 VGA interface connector A 3 VGA settings 2 14 Video BIOS shadowing 1 6 Video controller 1 6 Video display 2 12 ...

Page 98: ...Index 6 ...

Page 99: ... However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures n Reorient or relocate the receiving antenna n Increase the separ...

Page 100: ... ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant BATTERY DISPOSAL Do not place used batteries in your regular trash The nickel cadmium or nickel metal hydride batteries must be collected recycled or disposed of in an environmentally approved manner The incineration landfilling or mixing of batteries with the municipal sol...

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Summary of Contents for VERSA S

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NEC VERSA S, Service Manual, Page: 23 / 100

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Summary of Contents for VERSA S

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