Mitsubishi Electric APRICOT LS340 Owner'S Handbook Manual Download Page 105

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I n s i d e t h e S y s t e m U n i t

A/4 APRICOT LS/VS340 OWNER’S HANDBOOK

Motherboard layout

Video

Parallel

Com 2

Com 1

Mouse Key/Bd

USB

(optional)

SIMMs sockets 3 and 4

Radio card connector

SIMMs sockets 1 and 2

TV audio connector

Front panel connectors

CD audio connector

System connectors

External ports

CMOS Battery

Video upgrade sockets

Floppy ribbon connector

Power connections

CD ribbon connector

Video feature connection

HDD ribbon connector

Riser board socket

Wave table connection

Processor ZIF socket

Modem audio connector

Summary of Contents for APRICOT LS340

Page 1: ...LS340 VS340 Owner s Handbook NATIONAL ACCREDITATION OFCERTIFICATION BODIES ...

Page 2: ...APRICOT LS VS340 OWNER S HANDBOOK 2ND EDITION ...

Page 3: ...s manual that has been supplied with this computer is supplied subject to a license agreement The software may be used or copied only in accordance with the terms of this agreement It may be an offence punishable by law to copy any disk or part of a disk supplied for any other purpose than the purchaser s personal use unless specifically authorised within the licence agreement All rights reserved ...

Page 4: ... explode Replace a discharged battery with one of the same type another type may explode or ignite Follow the instructions contained in the Owner s Handbook to replace the battery Dispose of a discharged battery promptly and in accordance with the manufacturer s recommended instructions Do not recharge disassemble or incinerate the discharged battery Keep away from children Laser products Any CD R...

Page 5: ...ng cables for example microphone headphones or external speakers and communication cables should be less than 2 metres in length If cable extensions are used ensure adequate earth connections are provided and screened cables are used Legalities This equipment complies with the relevant clauses of the following European Directives Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC Telecommuni...

Page 6: ...ginally sold you must check the voltage and frequency of that country s AC power supply and the type of power cord required there Check the power rating labels on the rear of the computer s system unit and its monitor to ensure that they are compatible with the AC power supply The computer can function within two alternative AC power supply ranges according to the position of the voltage selection...

Page 7: ...wer cord between the rear of the monitor and the AC power outlet on the rear of the system unit 9 Connect the system unit power cord between the AC power inlet on the rear of the system unit and a nearby grounded AC power outlet 10 Where appropriate connect power cords between your peripherals and nearby grounded AC power outlets 11 If your AC power outlets have switches set them to their On posit...

Page 8: ... electrostatic sensitive devices ESSDs All work that involves removing the cover must be done in an area completely free of static electricity We recommend using a Special Handling Area SHA as defined by EN 100015 1 1992 This means that working surfaces floor coverings and chairs must be connected to a common earth reference point and you should wear an earthed wrist strap and anti static clothing...

Page 9: ...ts 2 2 Turning on and booting the computer 2 3 Backing up the pre installed software 2 6 Customising your display settings 2 7 Using the 3 5 inch diskette drive 2 8 Using Help 2 10 3 Using the BIOS Setup Utility Starting BIOS Setup 3 2 If BIOS Setup starts on its own 3 2 Control keys 3 3 Main menu screen 3 4 System Summary 3 5 Product Data 3 5 Devices and I O Ports 3 5 Date and Time 3 7 System Sec...

Page 10: ... tape drive 4 7 Using a DDS tape drive 4 10 5 Maintaining and Transporting Cleaning the computer 5 1 Transporting the computer 5 3 Using the computer in another country 5 3 6 Adding Expansion Cards Configuring the card 6 2 Installing the card 6 8 7 Upgrading Inside the system unit 7 2 Adding more system memory 7 4 Adding more video memory 7 8 Upgrading the processor 7 10 Adding a removable media d...

Page 11: ...hecklist 8 7 A Inside the System Unit Anti static precautions A 1 Opening the system unit A 3 Motherboard layout A 4 Changing jumper settings A 5 System connectors A 8 Replacing the configuration battery A 9 B Technical Information Specifications B 1 Physical characteristics B 3 Electrical characteristics B 3 ...

Page 12: ...d and two button mouse System unit AC power cord and monitor power cord appropriate for the country of sale System documentation this Owner s Handbook etc Microsoft Windows 95 or if requested Microsoft MS DOS and Windows for Workgroups documentation More elaborate systems may include software or hardware options with accompanying installation diskettes and additional documentation Some of these op...

Page 13: ...I n t r o d u c i n g 1 2 APRICOT LS VS340 OWNER S HANDBOOK Pictorial guide to the system unit 2 1 5 6 7 4 4 3 ...

Page 14: ...r SCSI tape drive is in use depending on the operating system 3 infrared sensor fitted only on Apricot LS340 models with a built in LOC Technology system i e the LS Security Card 4 speaker grille Apricot LS340 models have internal stereo speakers Apricot VS340 models have a single internal speaker on the right hand side 5 door shown closed hinges down to reveal the removable media drive bay 6 3 5 ...

Page 15: ...I n t r o d u c i n g 1 4 APRICOT LS VS340 OWNER S HANDBOOK 17 10 1 3 9 10 2 4 5 6 7 8 18 16 11 15 12 13 14 ...

Page 16: ...g screws unfasten these to remove the top cover 11 joystick MIDI port LS340 models intended for either a standard PC analog joystick or a MIDI In Out adapter 12 audio input socket MIC LS340 models mainly intended for a microphone Alternatively you could attach a personal stereo tape or CD The socket provides phantom power for electret condenser type microphones 13 line in socket IN LS340 models in...

Page 17: ...nto two series The economical VS series Apricot VS340 and the business minded LS series Apricot LS340 Standard features The standard features of the range include Intel Pentium processor with upgrade capability At least 8 Mbytes of system random access memory RAM upgradeable to 128 Mbytes by the use of standard 32 bit 60 nanosecond Extended Data Output EDO SIMMs single in line memory modules Pipel...

Page 18: ...ports extended keyboard two button mouse Energy efficient features All models in the range comply with the requirements of the US Environmental Protection Agency s Energy Star programme for energy efficient computers These models support System Management Mode SMM of Intel SL Enhanced processors Operating systems and applications that use the Intel Microsoft Advanced Power Management APM interface...

Page 19: ...te Place the system unit flat on a sturdy level surface free from vibration Site the computer away from moisture direct sunlight and extremes of heat and cold Avoid situations in which the surrounding temperature or humidity may change rapidly See Appendix B Technical Information for recommended temperature and humidity ranges When positioning the system unit monitor and keyboard take into account...

Page 20: ...have switches set them to their Off positions 2 Ensure that the system unit the monitor and any peripherals are turned off 3 Connect the monitor signal cable between the monitor and the monitor port on the rear of the system unit If the monitor signal cable is connected after the computer is turned on the display may appear in monochrome or not at all 4 Where appropriate connect other signal cable...

Page 21: ...re that the system unit is turned on before turning on any attached peripherals If the computer does not start when the POWER button is pressed check that the system unit and monitor power cords are securely connected and that the AC power supply is switched on Power on self test Whenever the computer is turned on a power on self test POST routine test various hardware components and compares the ...

Page 22: ... 95 your name and the name of the company for which you work if applicable and agree to the legal terms and conditions of the Windows 95 Licence Agreement Windows 95 then spends a few minutes analysing your computer and configuring itself to take full advantage of your computer s components During this process you are offered the opportunity to install a printer and make backup diskettes of Window...

Page 23: ... with your computer is designed to work with these energy saving features If you want to use another monitor make sure that it supports the VESA standard for Display Power Management Signalling if it doesn t it may be permanently damaged Turning the power off Before turning off the computer run through the following checklist Quit or exit from the applications you are running be sure to save any f...

Page 24: ...ticularly important for systems which are supplied without installation diskettes for the software on the hard disk A back up copy will safeguard the pre installed software against loss if the hard disk fails or if you accidentally overwrite or delete files A disk imaging utility is provided with Windows 95 and Windows for Workgroups This allows you to create installation diskettes for the operati...

Page 25: ...is offers a list of major monitor manufacturers and models including all current Apricot monitors See Windows 95 on line Help for instructions on changing display settings Tip A quick route to changing the monitor type in Windows 95 is to right click with the mouse while pointing at the background area of the Windows desktop then select Properties from the pop up menu This displays the Display Pro...

Page 26: ...m the disk or leave a fingerprint that might make the diskette difficult to read Keep diskettes well away from dust moisture magnetic objects and equipment that generates magnetic fields Also avoid extremes of temperature and exposure to direct sunlight Otherwise data recorded on the diskette may become corrupted Inserting a diskette A diskette is inserted into the diskette drive slot shutter fore...

Page 27: ...f a diskette becomes stuck in the drive perhaps because its label has peeled back do not attempt to remove it with tweezers or any similar implement you risk damaging the drive Call an authorised maintainer Write protecting a diskette A diskette can be write protected by sliding a small tab towards the edge of the diskette to expose the little hole beneath it see illustration With the tab in this ...

Page 28: ... intended operating system for the Microsoft Windows 95 and MS DOS Windows for Workgroups operating systems they are usually Windows Help files or README text files Apricot s Windows Help files are usually pre installed in the Apricot folder Windows 95 or Apricot program group Windows for Workgroups Apricot s README 1ST files or other ASCII text files identified by their TXT file extensions can be...

Page 29: ...y by an authorised maintainer BIOS Setup is a utility that allows you to view and alter the computer s hardware configuration It is also used to configure various security and power saving options Configuring the computer is necessary to ensure that the software you use can recognise and exploit the hardware s capabilities The current configuration is kept in a special area of memory called CMOS m...

Page 30: ...fault This may be signalled by one or more of the POST error messages listed in the Troubleshooting chapter If a persistent fault is indicated make a note of any error messages and the current configuration settings before calling an authorised maintainer The CMOS battery may be running down This may cause spurious POST error messages If this happens every time you turn on the computer you may hav...

Page 31: ...MINUS to decrement it Press To UP ARROW DOWN ARROW Move the highlight bar around the screen from one line or one field to another LEFT ARROW RIGHT ARROW Scroll through the possible selections for the currently highlighted item ENTER Choose the currently highlighted item PAGE UP PAGE DOWN Move between the pages of the current screen F1 View a pop up help dialog on the currently highlighted item Pre...

Page 32: ...or dialog boxes associated with them and are described later in this chapter A bullet next to a line indicates that BIOS Setup detected a configuration error and attempted to correct it The Save Settings option saves any changes that you have made so far The Restore Settings option restores the settings that were in effect when you started the BIOS Setup utility with the exception of the Date and ...

Page 33: ...interrupts used by the two serial ports It is best to leave these at the default settings Do not disable the serial ports unless you are absolutely sure you are not going to need them Parallel Port This allows you to configure the parallel port If you choose Auto configure appropriate settings are selected automatically Otherwise you can select Standard Bi directional or ECP mode and specify the I...

Page 34: ...loppy disk is fitted it is usually a 1 2 Mbyte 5 25 drive Video Setup This identifies the on board video controller and the size of the video memory IDE Controller This option lets you disable the on board IDE controller As this would disable the computer s hard disk drives you should not normally change this setting IDE Drives Setup The motherboard has two E IDE ATA Enhanced Integrated Drive Elec...

Page 35: ...utomatic If you select Manual then you will be required to specify the Polled I O transfer mode of the hard disk drive Logical Block Address LBA Mode Select Supported if your hard disk drive is 8 Gbytes or larger as LBA mode offers significant performance benefits CD ROM drive The BIOS will detect the presence of a CD ROM drive when the computer is turned on It will be shown as CD ROM Drive 2 allo...

Page 36: ...th an Apricot LS Security Card Power on Password This option allows you to set a password that is required every time the computer is turned on or rebooted Only people who know the password will be able to use the computer The password can be up to seven characters long To define a power on password 1 In the Power on Password dialog type the password in the Enter Power on Password box then press t...

Page 37: ... wait for the user to type the password and press ENTER It is important that authorised users of the computer are told to expect this or they may think that the computer has stopped working The user is allowed three attempts to enter the correct password If she fails the system is locked and must be turned off Turning the computer on again restarts the sequence To delete a power on password 1 In t...

Page 38: ...port an error if the drive is faulty or missing If Enabled POST will omit the test and continue provided that another boot device is available i e the hard disk drive Displayless Operation If this option is Disabled POST will look for an attached monitor and report an error if it is missing if Enabled POST will allow the computer to start without a monitor Keyboardless Operation If this option is ...

Page 39: ...d to either run only a Quick set of tests or a more thorough but longer Enhanced set Virus Detection If this option is Enabled each time the computer boots the BIOS will check the startup device to find out if a so called boot sector virus has crept in This is not an infallible check against the newer types of virus but it can help Advanced Setup Any settings changed here if incorrect may cause th...

Page 40: ...ons The only configurable PCI setting is Palette Snooping which can be Enabled or Disabled It should be enabled only for PCI video expansion cards that require it Universal Serial Bus USB This option is not used because this model does not have a USB port Plug and Play If your system uses a Plug and Play PnP compliant operating system such as Windows 95 you can set the Plug And Play Adapter Config...

Page 41: ... log You can clear the error log by choosing the Clear Error Logs option Power Management These power management features aim to reduce the average amount of electricity consumed by your computer Some power management features are enabled in our factory to ensure compliance with the Energy Star programme For more information about Energy Star see the Windows Help file pre installed on your hard di...

Page 42: ...ng any keyboard key Hard Disk Power Saving If this option is Enabled the hard disk drive will stop spinning after about 20 minutes of inactivity Standby Switch Monitor Control This option is not used because this model does not have a STANDBY switch or button Note Another way of saving monitor power is by using the built in power saving features of Windows 95 or the ATI Desktop utility with Window...

Page 43: ...VS340 OWNER S HANDBOOK 4 1 4 USING CD ROMS AND TAPE DRIVES This chapter contains information about the various optional removable media drives that are available These include CD ROM drive PD CD drive Travan tape drive DDS Digital Data Storage tape drive ...

Page 44: ...y indicator green powered amber busy 4 emergency eject hole 5 EJECT button works only when drive is powered The drive has its own headphone jack with associated volume level control These can be used to listen to music CDs but not usually to the audio on multimedia CDs such as games Do not attempt to move the computer while a CD is in the drive especially if the CD is being played at the time Warn...

Page 45: ...nd that drive is not currently in use the drive s activity indicator must be unlit 2 Press the EJECT button The drive mechanism disengages and the platter is ejected The EJECT button can sometimes be disabled by the software controlling the CD ROM drive In this case pressing the EJECT button will have no effect 3 Remove the CD from the platter To eject the platter manually for example during a pow...

Page 46: ...device are needed The drive appears to the operating system as two separate drives each with its own drive letter one for the PD cartridge drive and another for the CD ROM drive The drive can use any PD cartridge bearing the logo If the cartridge is not formatted you will be prompted to format it COMPACT PD CD BUSY 2 3 4 5 7 6 1 1 cartridge disc drawer or platter 2 emergency eject hole 3 stereo he...

Page 47: ... severely damage the drive 3 Push the button again or gently push the front of the platter to draw it back into the drive PD CD BUSY The PD CD indicator illuminates to indicate the type of disk which has been inserted green for CD or amber for PD cartridge 4 The activity indicator flashes for a short while Wait until it stops flashing before attempting to read or write information from the drive R...

Page 48: ...r failure you must ensure that the computer is turned off Then insert a thin metal rod such as a unwound paper clip into the emergency eject hole and push hard Write protecting a PD cartridge A PD cartridge can be write protected by sliding the red switch on the cartridge to the locked position marked with a closed padlock symbol as shown below Cleaning the PD CD drive You should regularly use a s...

Page 49: ...tridges 750 ft 400 Mbytes This nominal capacity can typically be doubled to 800 Mbytes by software data compression The software required to control the tape drive depends on your operating environment ask your supplier for details Note This drive can also use QIC 80 Wide cartridges 400 ft 208 Mbytes and long length QIC 80 cartridges 307 5 ft 124 Mbytes Inserting a cartridge 1 Remove the cartridge...

Page 50: ...dge is not being accessed by the computer the drive s activity indicator must be unlit 2 Pull the cartridge carefully out of the drive slot holding it between thumb and forefinger 3 Return the cartridge to its plastic holder This protects the cartridge and prevents dust from collecting on the surface of the tape Write protecting a cartridge A cartridge can be write protected by sliding the red swi...

Page 51: ...t the drive or your tapes are defective Although it is possible to use special kits to clean the drive we recommend the use of 90 isopropyl alcohol and several non abrasive lint free swabs as follows 1 Turn off the system unit and unplug all power cords 2 The read write head and the capstan are accessible through the flip up drive door 3 Gently rub an alcohol dampened swab against the surface of t...

Page 52: ...he DDS drive has a built in compression algorithm which can typically double the capacity of a cartridge Data compression and decompression is transparent to the host software According to its type the drive uses either 120 metre DDS 2 or 125 metre DDS 3 cartridges In each case earlier DDS formats can also be used e g a DDS 3 drive can read DDS 2 cartridges but not vice versa The drive automatical...

Page 53: ...hat the tape may be becoming unreliable although at this point no data has been lost First clean the tape head cylinder with the special cleaning cartridge then try the data cartridge again If the caution persists copy the data onto a new cartridge and discard the old one A media caution can also indicate that a pre recorded audio DAT cartridge has been inserted by mistake Inserting a cartridge In...

Page 54: ...led while the drive is in use If the tape is write enabled a copy of the tape log held in the drive s memory is written back to tape The drive rewinds to the beginning of the tape unthreads it and ejects the cartridge Several seconds may pass between the button being pressed and the cartridge being ejected so be careful not to turn off the computer before the operation is completed If you need to ...

Page 55: ...perature and humidity to another for at least two hours before you use it Cleaning the drive heads Clean the tape heads regularly using the guidelines in the table below Tape heads should also be cleaned when a Media Caution status is indicated A special cleaning cartridge is available from your supplier When you insert the cleaning cartridge the drive recognises it as a cleaning cartridge runs it...

Page 56: ...The system unit Do not use sprays solvents or abrasives that might damage the system unit surface Do not use cleaning fluids or sprays near air vents ports or the orifices of removable media drives Occasionally wipe the system unit with a soft slightly damp lint free cloth Occasionally wipe over the air vents on the rear and sides of the system unit Dust and fluff can block the vents and limit the...

Page 57: ...pside down and shake it do not probe between the keys as this may cause further damage The mouse Dust and dirt may accumulate in the ball tracking mechanism of the mouse To clean the mouse 1 Unplug the mouse turn it upside down and locate the plastic cover that holds the ball in place Depending on the model the plastic cover can be removed either by rotating it counter clockwise or by sliding it f...

Page 58: ...plastic side trims or the front bezel Never attempt to use the door as a carrying handle Never attempt to lift the system unit with a monitor on top If you need to transport the computer any great distance use the original packing materials If you intend to use the computer in another country see the next section for some important advice Using the computer in another country The computer arrives ...

Page 59: ...must always be the same as the voltage setting of the system unit See the User s Guide that accompanies the monitor or consult your supplier to find out how to change the voltage setting Make sure that the system unit and the monitor are returned to their original voltage settings when you return home AC power cord The AC power cord and plug supplied with the computer comply with the safety standa...

Page 60: ... the Internet via a telephone line Your computer can accept two basic types of expansion card ISA or Industry Standard Architecture cards PCI or Peripheral Component Interconnect cards You don t need to understand what these terms mean but before adding a card to your computer you will need to know whether it is ISA or PCI and possibly its physical dimensions Inside your computer are three slots f...

Page 61: ...urity Card Configuring the card Part of the installation procedure for ISA expansion cards and some PCI cards involves setting up or configuring the card so it works correctly in the computer To configure you assign values to various settings which enable the card to communicate with the computer Most PCI cards employ a feature called Plug and Play or PnP This allows Windows 95 and other PnP aware...

Page 62: ...t level IRQ The interrupt request level or IRQ the two terms are used interchangeably is the line over which the expansion card sends a signal to get the attention of or interrupt the processor Your computer has interrupt levels numbered IRQ0 to IRQ15 Most of these are reserved for components on the computer s motherboard Some of these interrupts are fixed others can be re assigned or freed by dis...

Page 63: ...te controller IRQ7 Parallel port IRQ8 Real time clock IRQ9 IRQ10 IRQ11 IRQ12 Mouse IRQ13 Coprocessor IRQ14 Primary ATA IDE interface IRQ15 Secondary ATA IDE interface Direct memory access DMA channel Some hardware devices can use a DMA channel to access system memory without directly burdening the processor Your computer has DMA channels numbered DMA0 to DMA7 The following table lists the DMA chan...

Page 64: ...vices Each port appears to the processor as an address low down in its address space Some expansion cards are also controlled by I O ports The base I O port address specifies where the card s ports begin The following table lists addresses used by devices on the motherboard Any ports between 100h and 3FFh that are not listed in the table may be used by an expansion card I O ports Default assignmen...

Page 65: ...nal extensions to the computer s BIOS basic input output system ROM Some cards also have random access memory RAM In order that this memory can be recognised by the system processor it must be mapped somewhere within the computer s own address space By setting the base memory address you specify where the card s memory begins within the address space Typically an expansion card s memory must be ma...

Page 66: ...d A F where A 10 B 11 C 12 and so on up to F 15 Hexadecimal numbers are denoted either by the suffix h or by the prefix 0x The final digit of a five digit memory address is often omitted so C8000h may be written as C800h Because amounts of memory are usually stated as kilobytes Kbytes rather than in hexadecimal notation the following conversion table may be helpful 4 Kbytes 1000h 32 Kbytes 8000h 8...

Page 67: ... Take suitable anti static precautions and remove the system unit cover If you are unfamiliar with the recommended anti static precautions and or the process of removing the system unit cover refer to Appendix A Inside the System Unit 3 Use the following illustration to locate the expansion card slots 3 2 1 4 1 PCI expansion slot 3 blanking plates 2 ISA expansion slots 4 full length card guides 4 ...

Page 68: ... to plug the video feature cable into the motherboard before you install the card otherwise the card may get in the way of the connector Refer to the motherboard layout diagram in Appendix A Inside the System Unit to locate the video feature connector 8 Position the expansion card alongside the slot in which you wish to install it Align the rear of the card with the slot in the rear of the system ...

Page 69: ...ace the system unit cover Declaring ISA legacy resources If you have just installed an ISA card your first task after turning on the computer is to run the BIOS Setup utility and declare the legacy resources that is the interrupt DMA channel and so on used by the card This is necessary so that any PCI card fitted can be configured automatically and won t try to use the same settings See the chapte...

Page 70: ...your supplier or service organisation install it for you Before you start installing any upgrade you should be thoroughly familiar with all the relevant instructions Appendix A Inside the System Unit provides an overview of anti static precautions instructions on removing the system unit top cover and information on motherboard jumpers The only tool required to complete the installation of any of ...

Page 71: ...U p g r a d i n g 7 2 APRICOT LS VS340 OWNER S HANDBOOK Inside the system unit 2 9 6 8 1 3 5 4 10 7 ...

Page 72: ... more information 3 SIMM sockets every system can be upgraded to a maximum of 128 Mbytes of system memory 4 processor socket you can upgrade the processor by replacing it with one of higher performance 5 5 25 removable media drive bay may be occupied by a removable media drive 6 3 5 hard disk drive HDD bay this bay has room for two one inch high IDE hard disk drives 7 Diskette floppy disk ribbon c...

Page 73: ...en Bank 2 The table opposite shows all the supported memory configurations Hint It is sometimes difficult to install a SIMM in a socket if the socket immediately next to it is occupied The order in which you install SIMMs can therefore be important When upgrading you may find you have to remove a SIMM temporarily before you can install one Before installing or removing SIMMs 1 Turn off the compute...

Page 74: ...the existing SIMMs before going on to install the new SIMMs Total memory Bank 1 sockets Bank 2 sockets MM1 MM2 MM3 MM4 8 Mb 4 Mb 4 Mb 12 Mb 4 Mb 4 Mb 2 Mb 2 Mb 16 Mb 4 Mb 4 Mb 4 Mb 4 Mb 16 Mb 8 Mb 8 Mb 20 Mb 8 Mb 8 Mb 2 Mb 2 Mb 24 Mb 8 Mb 8 Mb 4 Mb 4 Mb 32 Mb 8 Mb 8 Mb 8 Mb 8 Mb 32 Mb 16 Mb 16 Mb 36 Mb 16 Mb 16 Mb 2 Mb 2 Mb 40 Mb 16 Mb 16 Mb 4 Mb 4 Mb 48 Mb 16 Mb 16 Mb 8 Mb 8 Mb 64 Mb 16 Mb 16 Mb ...

Page 75: ...tatic packaging To install a SIMM 1 Take the SIMM out of its anti static packaging Hold it by its edges and avoid touching the metal contacts Note that the SIMM is not symmetrical there is a small cut out or notch in one end 2 Place the SIMM in the socket at a 15 o angle to the vertical making sure that the notched edge of the SIMM matches the notched edge of the socket 3 Pushing gently on its top...

Page 76: ... finished replace the removable media drive tray you removed earlier then replace the system unit cover Reconfiguring the system The first time you turn on the computer after adding or removing SIMMs the power on self test POST detects the change in configuration All you have to do is confirm the new configuration in the BIOS Setup utility see the chapter on Using the BIOS Setup Utility for more i...

Page 77: ...it 3 If there are any expansion cards fitted you will have to remove them disconnect any cables connected to the cards remove the screws that secure the cards to the rear of the system unit then remove the cards from the system unit 4 Use the illustration at the beginning of this chapter to identify the two video memory upgrade sockets 5 Unpack the upgrade kit and lay the memory chips out on an an...

Page 78: ...7 9 7 If necessary replace the expansion cards you removed earlier 8 Replace the system unit cover You can now reconfigure your operating system to use the expanded capabilities of the video controller See your operating system documentation for details ...

Page 79: ...e your processor by replacing it with one of higher performance Intel Pentium OverDrive When installing an Intel Pentium OverDrive processor you must ensure that there is sufficient air space around it If you do not leave enough air space the processor may overheat So ensure that no obstructions such as cables or expansion cards intrude upon the open air space shown below 0 2 0 5cm 0 4 1 1cm 1 0 2...

Page 80: ...rocedure wait for at least 15 minutes for the processor to cool down before proceeding Warning The processor and its attached heat sink can get very hot You may burn your fingers if you attempt to remove the processor before it has cooled down Also the processor s pins expand slightly when hot and this can prevent it being removed from the socket 5 Use the illustration at the start of this chapter...

Page 81: ...ing fan you will have to re use the heat sink currently attached to your old processor Between the heat sink and the processor is a thin metal foil in a layer of sticky thermal bonding compound This makes it difficult to pull the heat sink directly away from the processor Warning When you remove the heat sink there will be a residual deposit of thermal bonding compound on the bottom of the heat si...

Page 82: ...e corresponding corner of the processor is slightly bevelled and has a positioning guide in the form of a coloured dot 3 Place the processor in the socket making sure that it is correctly aligned and that you do not bend or otherwise damage the pins If the processor is not big enough to occupy the entire socket it should be positioned centrally Caution If the processor is misaligned it will not go...

Page 83: ...r 6 You will need to adjust the processor speed selection jumpers on the motherboard See Appendix A Inside the System Unit for more information about locating and adjusting motherboard jumper settings 7 If necessary replace the expansion cards you removed earlier 8 Replace the system unit cover ...

Page 84: ...the rear of the drive The jumpers should be pre configured to either Soft Select or Drive Select 1 DS1 CD ROM drive PD CD drive ATA PI interface The drive should be configured as the master drive for connection to the motherboard DDS tape drive SCSI interface Every SCSI drive must be assigned an identity on the SCSI bus known as its SCSI ID All removable media SCSI drives should be pre configured ...

Page 85: ...ure is initially obscured by a blanking plate attached to the top of the metalwork The blanking plate must be broken out before you can install a drive in the bay 5 Break out the blanking plate by bending it backwards and forwards several times 6 Remove the new drive from its packaging and ensure that it is correctly configured With the drive there should at least be four screws and a ribbon signa...

Page 86: ...erside of the drive with those in the base of the drive tray COMPACT 8 Insert the four drive securing screws and tighten them until they are finger tight 9 Turn the drive tray over and put it back into the system unit Slide the tray forwards until the two holes in the tray line up with those in the hard drive assembly on the right and the system unit brace on the left Replace the two screws that s...

Page 87: ...de See the documentation provided with the upgrade kit for more information Before connecting any signal cable to the motherboard check the label on the inside of the system unit cover to make sure that you are using the correct connector Failure to do so may damage the drive or the motherboard or both 12 Replace the system unit cover ...

Page 88: ...rd usually marked FLOPPY CD ROM drive PD CD drive ATA PI interface The drive is supplied with two cables a ribbon signal cable which connects to the motherboard s secondary ATA IDE connector usually marked CDROM and a CD audio cable which connects to the motherboard in an LS340 system DDS tape drive SCSI interface SCSI upgrade kits from authorised suppliers include a suitable ribbon signal cable T...

Page 89: ...h documentation describing how to configure the drive If you are uncertain about configuring the drive consult your supplier Installing the drive To install the hard disk drive 1 Turn off the computer and unplug all power cords 2 If there is a diskette in the diskette drive remove it 3 Take suitable anti static precautions and remove the system unit cover If you are unfamiliar with the recommended...

Page 90: ...rom the following illustration int l e OVER D R I V E 9 Remove the screws Slide the drive bay backwards and lift it out of the system unit Turn the drive bay upside down and rest it on a flat surface with the front of the diskette drive towards you 10 Ensure that the drive you are adding is properly configured as either master or slave 11 Slide the hard disk drive into the bay from the front with ...

Page 91: ...he diskette drive Caution Use only the mounting screws supplied with the drive If you use any other screws you risk damaging the drive If there is a drive in the bay already try to ensure that the new drive does not touch it 13 Turn the bay upright and replace it in the system unit Align the flanges on the bay with the lugs in the base of the system unit then slide the drive bay forwards slightly ...

Page 92: ... cables 19 Replace the system unit cover Partitioning and formatting the drive The first time you turn on the computer after fitting the new drive the power on self test POST detects the change in configuration and starts the BIOS Setup utility automatically All you have to do is the save the new configuration and exit from the BIOS Setup utility see the chapter on Using the BIOS Setup Utility for...

Page 93: ...OS Format command to format the partitions Use the MS DOS Help command to find out more about Fdisk and Format See your MS DOS documentation for instructions on using MS DOS Help Caution When you run Fdisk it assumes that you want to work with the first or master drive it says the Current fixed disk drive is 1 To switch attention to the slave drive choose Select next fixed disk drive option 5 from...

Page 94: ... fuse In the United Kingdom and some other countries AC plugs contain fuses If the fuse in the system unit s AC plug blows when you turn on the computer this may be caused by an AC power surge but is more often a symptom of problems with the computer or its peripherals Follow these steps 1 Turn off the computer and unplug all power cords 2 Unplug all peripherals 3 Try to discover the cause of the ...

Page 95: ...r codes and messages are displayed see table opposite You may also be prompted to Press the F1 key to continue or Press any key when ready The computer may be able to continue despite the error indication for example if a memory chip fails POST the computer can continue with less memory Your first action should be to turn off the computer wait at least 30 seconds and then turn it on again to see i...

Page 96: ...162 Serial configuration 164 Memory size does not match CMOS 1762 Hard disk configuration 165 Add Remove MC card 1780 Fixed disk 0 failure 166 Memory configuration change 1781 Fixed disk 1 failure 175 Bad EEPROM CRC 1 1782 Fixed disk 2 failure 176 System tampered 1783 Fixed disk 3 failure 177 Bad PAP checksum 1800 No more IRQs available 178 EEPROM is not functional 1801 No more room for option ROM...

Page 97: ...n error during POST This should be accompanied by an error message Three short beeps System memory error normally accompanied by code 201 Beeps are used when the video cannot display the code Continuous beeps Could indicate a serious failure of the system motherboard or a failure of the speaker circuitry Repeating short beeps Usually indicative of a keyboard key stuck down but may be due to the ke...

Page 98: ...ion failure 1 2 3 DMA page register read write test failure 1 2 4 RAM refresh verification failure 1 3 1 First 64K RAM test failure 1 3 2 First 64K RAM parity test failure 1 3 3 Slave DMA register test failure 1 3 4 Master DMA register test failure 1 4 1 Master interrupt mask register test failure 1 4 2 Slave interrupt mask register test failure 1 4 4 Keyboard controller test failure 2 2 2 Search ...

Page 99: ...d disk has no active bootable partition or is not formatted Insert a system diskette press F1 and format the hard disk as described in your operating system manuals Fixed disk read failure The hard disk may be defective Press F1 to retry Make sure that the drive is correctly specified with the BIOS Setup utility If the problem persists insert a system diskette press F1 back up the data held on the...

Page 100: ...ou are trying to use Power Check that the AC power supply is switched on and that the fuse in the AC plug if any has not blown If the system still does not seem to be getting power obtain another power cord from your supplier Monitor If there is no display check that the monitor is turned on and the brightness and contrast controls are not too low If you have fitted a new video controller expansio...

Page 101: ...ons on replacing the battery Diskette and floppy disk drives If you have problems accessing a diskette or floppy disk check that it is inserted correctly that it has been correctly formatted that it is not write protected and that the permissions assigned by the operating system allow the intended access Hard disk drives If you have problems accessing a hard disk drive use the BIOS Setup utility t...

Page 102: ...apped can acquire a static charge Air conditioning systems can also result in ambient static Clothing made of synthetic fibres is particularly likely to generate static electricity this static electricity is often completely unnoticed by the wearer but can be sufficient to cripple or impair an electronic component The computer is at risk from static discharge while the top cover is off This is bec...

Page 103: ...Do not remove the system unit cover nor the anti static bag or wrapping of any upgrade until you need to Handle static sensitive items with extreme care Hold expansion cards and add on components only by their edges avoiding their electrical contacts Never touch the components or electrical contacts on the motherboard or on expansion cards In general do not handle static sensitive items unnecessar...

Page 104: ...e switches set them to their Off positions 3 Unplug all power cords from rear of the system unit 4 If the system unit has a caselock on the right hand side turn the caselock key to the unlocked position 5 Unfasten the two casing screws 6 Slide the top cover rearwards slightly then lift it off Refitting the cover is the reverse of removal Take effective anti static precautions while the top cover i...

Page 105: ...and 4 11 Radio card connector 2 SIMMs sockets 1 and 2 12 TV audio connector 3 Front panel connectors 13 CD audio connector 4 System connectors 14 External ports 5 CMOS Battery 15 Video upgrade sockets 6 Floppy ribbon connector 16 Power connections 7 CD ribbon connector 17 Video feature connection 8 HDD ribbon connector 18 Riser board socket 9 Wave table connection 19 Processor ZIF socket 10 Modem ...

Page 106: ... you may damage the system processor the motherboard or both There are only a few jumpers on the motherboard that you may need to alter All others are set at the factory and should not be changed In this section 1 2 means the jumper should be fitted across pins 1 and 2 2 3 means the jumper should be fitted across pins 2 and 3 and so on Open means that no jumper should be fitted Closed means that a...

Page 107: ...120 MHz 4 6 1 3 9 10 11 12 Pentium 133 MHz 4 6 1 3 7 8 11 12 Pentium 150 MHz 4 6 3 5 9 10 11 12 Pentium 166 MHz 4 6 3 5 7 8 11 12 Pentium 200 MHz 2 4 3 5 7 8 11 12 On board video disabling If you install a video adapter expansion card the computer should automatically detect this and disable the on board video adapter If for some reason this does not happen and you experience problems with a newly...

Page 108: ...during reprogramming of the BIOS to the extent that the BIOS becomes corrupt the PL10 jumper can be moved to the 2 3 position to switch to a recovery BIOS A recovery system diskette will be required when the system is restarted You may need to ensure that BIOS reprogramming is enabled if you want to use the optional Apricot LS Security Card LOC Technology system Clearing CMOS PL8 CMOS battery conn...

Page 109: ...ions but if they become loose you may need to re attach them Connector Pins Function PL2 1 2 Left stereo speaker 5 6 Right stereo speaker PL4 1 2 System standby restore switch 3 to 7 Infra red controller 8 to 11 Mono speaker 12 13 Message LED PL6 1 to 4 HDD active light 5 to 9 Keylock not fitted 10 11 System in power standby light 12 13 System hardware reset not fitted PL36 n a System fan slow mod...

Page 110: ...attery is probably failing and needs to be replaced The battery is a 3 volt lithium type CR2032 or equivalent typically used in calculators and other small battery powered electronic items To replace the battery 1 Turn off the computer and unplug all power cords 2 Take suitable anti static precautions and remove the system unit cover 3 If there is a removable media drive fitted unplug its power an...

Page 111: ... may explode 7 Check that the replacement battery is identical to the battery you have removed 8 Taking care not to touch the top or bottom surface of the battery pick up the replacement with the positive terminal upwards 9 Press the battery into the holder using a non conductive implement 10 Replace the removable media drive tray 11 Replace the system unit cover 12 Dispose of the discharged batte...

Page 112: ...Intel Triton II BIOS SurePath v2 0 2 Mb Flash programmable Memory 32 bit 60 ns 5 volt EDO SIMMs fitted in pairs 128 Mb maximum Cache Onboard Pipeline burst 256 Kb Video Chipset ATI 264VT or 264GT PCI local bus Video RAM 1 Mb on board upgradeable to 2 Mb Resolutions EVGA 1280 x 1024 1024 x 768 SVGA 800 x 600 VGA 640 x 480 Audio optional Type SoundBlaster Vibra 16 Internal FM synthesizer External in...

Page 113: ...5 keyboard AT compatible Mouse PS 2 compatible two button Diskette Capacity 1 44 Mbytes Access time 94 ms average Expansion bus Riser card backplane 1 full length shared ISA PCI slot 1 full length ISA slot 1 half length ISA slot HDD CD ROM interfaces Dual Enhanced IDE AT Attachment PCI local bus HDD drive bay Capacity Two 1 drives Form factor 3 5 Removable media drive bay Form factor Half height 5...

Page 114: ...m is more tolerant of environmental factors Range Temperature Relative humidity with no condensation Operational 10 to 35 C 20 to 80 Storage Transport 0 to 55 C 20 to 80 Electrical characteristics Voltage range The PSU voltage range is initially set to that appropriate for the county in which the computer is first sold Setting AC Voltage Frequency 115 V 100 to 120 V 50 to 60 Hz 230 V 220 to 240 V ...

Page 115: ...n which it is first sold If you wish to use the computer in another country you must ensure that you use a power cord which complies with the safety standards of that country PSU current ratings PSU AC power inlet 4 5 A at 100 120 V 3 0 A at 220 240 V PSU AC power outlet 1 5 A at 100 120 V 1 0 A at 220 240 V Connect only manufacturer approved monitors to the power supply unit s AC power outlet ...

Page 116: ...MITSUBISHI ELECTRIC PC DIVISION APRICOT COMPUTERS LIMITED 3500 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS UNITED KINGDOM T el 44 0 121 717 7171 Fax 44 0 121 717 3692 http www apricot co uk ...

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Mitsubishi Electric APRICOT LS340, Owner'S Handbook Manual

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