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Mitsubishi Electric MS Series Owner's Handbook Manual

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Apricot
MS
SERIES
Owner's Handbook
COMPACT

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  Summary of Contents for Mitsubishi Electric MS Series

  • Page 1 Apricot SERIES Owner’s Handbook COMPACT...
  • Page 2 QUICK START GUIDE APRICOT MS SERIES QUICK START GUIDE For your own safety Read through the Safety & Regulatory Notices section at the start of the Owner’s Handbook before using the computer for the first time. COMPACT...
  • Page 3 QUICK START GUIDE Using the Welcome Mat Use the Welcome Mat to help you unpack and connect Connecting up your computer the components of your new personal computer. The APRICOT MULTIMEDIA PCs APRICOT MULTIMEDIA PCs recommended order is: Connecting items Monitor...
  • Page 4 QUICK START GUIDE The Power button and Power Mode light Press the P button to turn on the computer, to put OWER it to sleep, and to wake it up. The colour of Power Mode light shows whether the computer is in Off [red], On or Standby [green] or Suspend [yellow] mode.
  • Page 5 QUICK START GUIDE Starting the computer Note ♦ Future versions of Windows will allow you to redefine the Press the P button to turn on the computer. OWER button so that when you press it the operating system OWER ♦ Turn on the monitor as described in its User Guide.
  • Page 6 QUICK START GUIDE Shutting down the computer Emergency shut down To shut down the computer safely, do the following: In exceptional circumstances, you can shut down your PC without shutting down Windows first. To do this, Wait until all the activity indicators on the front press and hold down the P button for at least four OWER...
  • Page 7 QUICK START GUIDE Registering Windows 95 Your computer has the Microsoft Windows 95 operating You only register once system already in place or pre-installed, so that it is ready All of this only happens the first time you turn on your for you when you turn on the computer.
  • Page 8 The Apricot Electronic Fingerprinting program appears Click the Help button in Electronic Fingerprinting for every time you start Windows 95 until you have branded more information.
  • Page 9 In this case, click the display correctly whatever monitor you have. Advanced Properties button on the Settings tab. However, Mitsubishi Electric’s Apricot monitors can You can get an even better display by upgrading your do much better than this standard setting. You should computer’s video memory from 2 to 4 Mbytes.
  • Page 10 Although we recommend the Infotrade Internet service, and machine. You can also access the Internet, and in have made it very easy for Apricot PC users to subscribe to particular the World Wide Web (WWW). it, there are other possibilities. On the Windows 95 desktop...
  • Page 11 QUICK START GUIDE Setting up Infotrade Internet and Fax If you decide to take advantage of the Infotrade Internet Make sure the modem cable is connected from the offer, you will need the Infotrade Internet leaflet that back of the computer to your phone socket. came with your computer.
  • Page 12 QUICK START GUIDE Easy Manager Easy Manager is a collection of software from Mitsubishi Answerphone answers your incoming telephone calls Electric, designed to make life easier for new computer automatically. Calls may be either voice messages (voice users. mail) or fax messages. In the Windows taskbar is a Mitsubishi Electric symbol.
  • Page 13 QUICK START GUIDE The Remote Control The optional infra-red remote control makes your computer easier to use. It works with all Easy Manager programs, and also with the audio CD Player and Microsoft Internet Explorer. The remote will only work with TV tuner cards that are approved by Mitsubishi Electric PC Division.
  • Page 14 APRICOT MS SERIES OWNER’S HANDBOOK COMPACT MY) E INITOWER DITION...
  • Page 15 Information contained in this document is subject to change without notice and does not represent a commitment on the part of Apricot Computers Limited. Any software described in this manual is furnished under a license agreement. The software may be used or copied only in accordance with the terms of this agreement. It is against the law to copy any disk supplied for any purpose other than the purchaser’s personal use.
  • Page 16: Safety And Regulatory Notices

    SAFETY & REGULATORY NOTICES Safety and Regulatory Notices Dispose of a discharged battery promptly and in accordance with Electrical the battery manufacturer’s recommended instructions. Do not The computer uses a safety ground and must be earthed. recharge, disassemble or incinerate the discharged battery. Keep away from children.
  • Page 17 SAFETY & REGULATORY NOTICES Anti-static precautions you to plan your work, and so minimise the amount of time that sensitive components are exposed. Static electricity can cause permanent damage to electronic components. You should be aware of this risk, and take precautions Do not remove the system unit cover, nor the anti-static bag or against the discharge of static electricity into the computer.
  • Page 18 SAFETY & REGULATORY NOTICES Transporting Maintenance Use common sense when handling the computer; hard disks in Do not use sprays, solvents or abrasives that might damage the particular can be damaged if the computer is dropped or handled system unit surface. Do not use cleaning fluids or sprays near air roughly.
  • Page 19: Power Connection

    SAFETY & REGULATORY NOTICES Power Connection Typical AC plugs Checking the AC power supply 250V 125V 250V When this product is delivered, it is ready for the commercial AC power supply generally available in the country in which it is first sold.
  • Page 20 SAFETY & REGULATORY NOTICES Connecting to the AC power supply External speakers (where supplied) Always switch off or disconnect the AC supply before Important disconnecting any of the speaker leads, whether audio or power. Any peripheral equipment that requires an AC power cord must be Disconnect the AC supply from the speaker power unit when not earthed.
  • Page 21 SAFETY & REGULATORY NOTICES Standards Safety Notes This product complies with the International safety standard All interconnecting cables (for example, microphone, headphones IEC950 and the European safety standard EN60950 which will, or external speakers) and communication cables should be less than when applicable, include the national deviations for the country in 2 metres in length.
  • Page 22: Table Of Contents

    OWNER’S HANDBOOK CONTENTS Reserving ISA legacy resources ......4/6 1 Welcome Telling Windows about the new hardware .... 4/7 Pictorial guide to the system unit ......1/2 5 Motherboard Features & Upgrades: Removing panels ........... 1/7 Pentium Systems The Remote Control..........1/9 Motherboard jumper settings ........
  • Page 23 OWNER’S HANDBOOK 10 Troubleshooting Adding more video memory........ 6/12 The processor assembly ........6/13 Problems when starting ........10/2 Replacing the configuration battery..... 6/16 Common problems ..........10/4 7 Hard Disk Upgrades Equipment Log Configuring the drive..........7/2 Installing in the forward drive bay ......7/3 Installing in the rear drive bay .......
  • Page 24: Welcome

    ♦ 512 Kbyte memory cache If you want to get started working with your Apricot ♦ ATI 3D Rage Pro video system PC straight away, unpack and assemble it as shown on ♦...
  • Page 25: Pictorial Guide To The System Unit

    OWNER’S HANDBOOK Pictorial guide to the system unit Infrared sensor Hard disk activity indicator Power Mode light POWER button CD-ROM disc drawer (platter) CD headphone jack & volume control CD activity indicator Line In socket for audio input Headphones socket Universal Serial Bus (USB) port FireWire port (factory option) COMPACT...
  • Page 26 OWNER’S HANDBOOK Press the P button to turn the computer on, put See the Quick Start Guide for more information. OWER it to sleep or wake it up. The M light flashes when the Message Centre ESSAGE The Power Mode light changes colour to show the program (part of the Easy Manager collection) has current state of the computer.
  • Page 27 OWNER’S HANDBOOK Monitor port S-Video Out port for displaying the monitor image on a television (factory option) Parallel (printer) port Mouse port Keyboard port Serial port Microphone socket Line Out socket for audio output Speaker socket Universal Serial Bus (USB) port Security loop for cable or padlock AC power outlet for monitor Voltage selection switch...
  • Page 28 OWNER’S HANDBOOK Pentium systems Power supply unit (PSU) Master hard disk drive (HDD) Forward drive bay for removable media drives and/or a second HDD Diskette drive Motherboard Processor socket; Zero Insertion Force (ZIF) “Socket 7”-type Main jumper block DIMM sockets for system memory upgrades Expansion card riser Video memory upgrade socket (factory option)
  • Page 29 OWNER’S HANDBOOK Pentium II systems Power supply unit (PSU) Master hard disk drive (HDD) Forward drive bay for removable media drives and/or a second HDD Diskette drive Motherboard DIMM sockets for system memory upgrades Processor Expansion card riser Video memory upgrade socket (factory option) Secondary E-IDE interface connector for the CD-ROM drive...
  • Page 30: Removing Panels

    OWNER’S HANDBOOK Removing panels For normal access to the interior of the system unit, Remove the panel’s two fixing screws. only the right side panel, and possibly the top panel, Turn the caselock key to the unlocked need to be removed. The left side panel must be position.
  • Page 31 OWNER’S HANDBOOK Left side panel Remove the main and top panels as described above. Slide the panel carefully towards the rear of the system using the handle provided. After about 2 to 3 cm of movement it is possible to lift the panel vertically, clear of the system.
  • Page 32: The Remote Control

    OWNER’S HANDBOOK The Remote Control The optional infra-red remote control incorporates a CD starts the CD program. two-button mouse pad, a numeric keypad and several puts the computer TANDBY other specialist buttons. into (or wakes it up from) an The M button displays the Remote Status energy-saving mode.
  • Page 33: General Advice

    OWNER’S HANDBOOK General advice ♦ This computer is designed to be used in a normal Give the computer plenty of room so that air home or office environment. Here are a few hints for can circulate on all sides. Air is drawn into the choosing a suitable site: system unit through vents at the front and on the left-hand side, and expelled through the vent...
  • Page 34 In general, any copy you make of pre-installed software must be used only as a back-up copy, in case Apricot PCs arrive with a pre-installed copy of the pre-installed version is lost. You are not allowed to Windows 95. Additional software may be pre-...
  • Page 35: Diskettes And Cds

    OWNER’S HANDBOOK DISKETTES and CDs Diskette drive Your Apricot PC is fitted with a 1.44 Mbyte diskette Inserting a diskette drive. This accepts either 1.44 Mbyte (HD) or 720 Insert the diskette with the metal shutter Kbyte (DD) diskettes. foremost, and with the label side facing upwards.
  • Page 36 OWNER’S HANDBOOK Ejecting a diskette Write-protecting a diskette ♦ ♦ Wait until the drive’s activity indicator is unlit, A diskette can be write-protected by sliding a tab then press the button. towards the edge of the diskette to expose the EJECT small hole beneath it (see illustration).
  • Page 37: Cd-Rom Drive

    OWNER’S HANDBOOK CD-ROM drive The CD-ROM drive can retrieve multimedia data from CD-ROM discs and multi-session Photo-CD discs. It can also play normal music CDs (the drive has its own headphone jack and associated volume control). Keep CDs well away from dust and moisture, and COMPA CT avoid touching the surface of the CD.
  • Page 38 OWNER’S HANDBOOK Inserting a compact disc Ejecting a compact disc ♦ Press the button on the front of drive. Ensure that the drive’s activity indicator is not EJECT showing ‘busy’, then press the button. EJECT Place the CD centrally, printed side up, on the platter.
  • Page 39: Multimedia

    OWNER’S HANDBOOK MULTIMEDIA Your Apricot MS Series computer has sophisticated Technical summary on-board video and audio systems and a range of The video system is ATI Technologies’ 3D Rage Pro. This ports and sockets for multimedia applications (some accelerates 3-D and motion video, supports Windows available only on enhanced models).
  • Page 40 OWNER’S HANDBOOK Front Headphones Audio Analog Line In Audio Analog S-Video Video Analog Composite Video Video Analog Universal Serial Bus In/Out Multimedia Digital FireWire (IEEE 1394) In/Out Multimedia Digital Rear Microphone Audio Analog Universal Serial Bus In/Out Multimedia Digital Speakers Audio Analog Line Out...
  • Page 41 OWNER’S HANDBOOK Headphones rear Microphone socket, or for input from a personal cassette or CD player. Although this stereo audio socket is intended for headphones it could also be used for output to a S-Video and Composite Video personal cassette recorder. When you plug something into this socket, the external speakers are These front panel inputs allow you to connect your automatically muted.
  • Page 42 The Musical Instrument Digital Interface is a including video conferencing cameras. The Apricot standard way of connecting musical instruments, MS Series has one USB port on the front bezel and synthesisers, computers and other devices. More another on the rear of the system unit.
  • Page 43: Expansion Cards

    OWNER’S HANDBOOK EXPANSION CARDS This diagram shows the layout of the six expansion slots in your PC (as viewed from the rear). One slot is usually occupied by a factory-fitted modem. Important This system complies with the CE Marking Directive and its strict legal requirements.
  • Page 44: Configuring The Card

    OWNER’S HANDBOOK Your computer can accept two basic types of You don’t need to understand what these terms mean, expansion card: but before adding a card to your computer you will need to know whether it is ISA or PCI and possibly ♦...
  • Page 45 OWNER’S HANDBOOK ♦ done before installing the card in the computer. You can disable some motherboard components Other cards can be configured by running a either by means of the BIOS Setup utility or else configuration program after installing the card. Some changing jumper settings...
  • Page 46 OWNER’S HANDBOOK Base input/output (I/O) port address The card’s documentation should list its possible base addresses. You may also need to know how much I/O ports are used by the processor to communicate memory the card has, so that you can leave the right with hardware devices.
  • Page 47: Installing The Card

    OWNER’S HANDBOOK Installing the card Read all these instructions through before attempting Remove the slot’s blanking plate by removing to install any expansion card. the securing screw. Keep the screw; it will be needed later to secure the card. Warning If the card you are installing is configured by the Never carry out any work inside the computer with AC means of jumpers or switches, check that it is...
  • Page 48: Reserving Isa Legacy Resources

    OWNER’S HANDBOOK Position the expansion card above the slot in which you wish to install it. Align the rear of the card with the slot in the rear of the system unit, and, if the card is full length, align the front of the card with the card guide.
  • Page 49 OWNER’S HANDBOOK same settings. See the BIOS Setup & POST chapter Click the resource you want to change, un-check the Use Automatic Settings box, then click for more information. Change Setting. Alternatively, you can use the Windows Control Panel to change the resource settings used by devices: In some cases, you may see a Set Configuration Click the Start button in the taskbar, then Manually button on the Resources tab.
  • Page 50: Telling Windows About The New Hardware

    OWNER’S HANDBOOK Telling Windows about the new hardware Windows 95 and Windows NT 4.x (or later) should automatically detect and configure cards that support “Plug and Play”. In other cases you may have to tell Windows that you have installed new hardware, as follows: Click the Start button in the taskbar, then Settings, then Control Panel.
  • Page 51: Motherboard Features & Upgrades: Pentium Systems

    OWNER’S HANDBOOK MOTHERBOARD FEATURES AND UPGRADES: PENTIUM SYSTEMS This chapter describes the features of the Pentium Be careful motherboard and gives step-by-step instructions for Never carry out any work inside the computer with AC adding more system or video memory, upgrading the power applied.
  • Page 52 OWNER’S HANDBOOK Video memory upgrade socket Motherboard power connector PSU logic connector Riser board connector VFC/AMC video feature connector TV tuner/MPEG-2 card connector DIMM sockets Processor ZIF socket Front panel connectors CMOS battery Front panel USB internal connector Primary E-IDE connector Secondary E-IDE connector “Wake on Call”...
  • Page 53: Motherboard Jumper Settings

    OWNER’S HANDBOOK Motherboard jumper settings There are only a few jumpers on the motherboard Processor bus speed (J10) that you may need to alter. All others are set at the After upgrading your processor, but before turning on factory and should not be changed. the system, you need to change some jumper settings in jumper block J10 to match the speed (in On the motherboard, pin 1 of each jumper block is...
  • Page 54 OWNER’S HANDBOOK On-board video disabling (J50) 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-fitted card, you can manually disable the on- board video adapter by moving the jumper in block J50 to pins 2-3.
  • Page 55: Motherboard Irqs And Dma Channels

    OWNER’S HANDBOOK Motherboard IRQs and DMA channels Components Interrupts (IRQs) System timer Keyboard controller PIC daisy chain Infra-red remote control Serial port 1 Audio Diskette controller Parallel port (usually sharable) Real time clock On-board video (sharable) USB (sharable) Mouse Co-processor Primary E-IDE Secondary E-IDE Refer to next page for an explanation of this table.
  • Page 56 OWNER’S HANDBOOK Components DMA channels Audio Diskette controller Parallel port (in ECP mode) DMAC daisy chain Fixed assignment BS = Can be disabled by BIOS Setup Usual assignment JS = Can be disabled by changing a motherboard jumper setting Alternative assignment by BIOS Setup Alternative assignment by Plug-and-Play 5 / 6 M o t h e r b o a r d F e a t u r e s &...
  • Page 57: Adding More Memory

    OWNER’S HANDBOOK Adding more memory You can give your PC more memory by adding or Technical note replacing memory modules called “DIMMs”. The DIMMs you use must have the following specification: gold contacts, 3.3V, 64-bit, unbuffered, The motherboard’s two DIMM sockets accept SDRAM-type with Serial Presence Detect (SPD) and a DIMMs of up to 128 Mbytes in any combination CAS latency of 2 at 66 MHz.
  • Page 58 OWNER’S HANDBOOK Removing a DIMM If you need to start by removing a DIMM, follow the diagrams on the left, depending on what type of socket you have. Hold the DIMM by its ends and avoid touching the metal contacts. Place the DIMM in suitable anti-static If you have this type of socket, press the tabs on both of packaging.
  • Page 59 OWNER’S HANDBOOK Inserting a DIMM When you take the DIMM out of its anti-static packaging, hold it by its ends and avoid touching the metal contacts. Follow the diagrams on the left to insert the DIMM, depending on what type of socket you have. In either case, there are asymmetrical indents along the connector edge that prevent the DIMM being If you have this type of socket, the DIMM is inserted...
  • Page 60: Adding More Video Memory

    OWNER’S HANDBOOK Adding more video memory Video memory is memory reserved for use by the on- Insert the SODIMM into the socket as shown board video controller. More video memory can below. provide more colours or higher resolutions to an extent determined by the capabilities of your monitor.
  • Page 61: Upgrading The Processor

    OWNER’S HANDBOOK Upgrading the processor The ZIF (zero insertion force) “Socket 7” processor Turn off the computer and unplug all power socket on the motherboard is designed to accept a cords. variety of Pentium/MMX processors. You may wish Take suitable anti-static precautions and remove to upgrade your processor by replacing it with one of the right side panel.
  • Page 62 OWNER’S HANDBOOK Unplug the power cable of the processor’s fan- sink from the motherboard. Note where the cable plugs in because you will need to re-attach it later. Press down on the fan-sink’s retention clip to release it (A) then unhook the clip from the other side of the ZIF socket (B).
  • Page 63 OWNER’S HANDBOOK Warning When you remove the fan-sink there will be a residual deposit of thermal bonding compound on the bottom of the fan-sink and the top of the processor. This compound can cause skin irritation and stain clothing. Avoid prolonged or repeated contact with skin.
  • Page 64 OWNER’S HANDBOOK 15. Reconnect the fan-sink’s power cable to the motherboard. Caution If the fan-sink power cable is not reconnected properly, the processor may run slowly or not at all, and there is a risk that it may overheat and be permanently damaged.
  • Page 65: Replacing The Configuration Battery

    OWNER’S HANDBOOK Replacing the configuration battery The computer keeps a record of its current hardware To replace the battery configuration in a CMOS memory chip which is Turn off the computer and unplug all power sustained by a small battery. This battery has a life of cords.
  • Page 66 OWNER’S HANDBOOK Check that the replacement battery looks the same as the battery you have removed. Taking care not to touch the top or bottom surface of the battery, pick up the replacement with the positive (+) terminal upwards. Press the battery into the holder using a non-conductive implement.
  • Page 67: Motherboard Features & Upgrades: Pentium Ii Systems

    OWNER’S HANDBOOK MOTHERBOARD FEATURES AND UPGRADES: PENTIUM II SYSTEMS This chapter describes features Be careful motherboard designed for the Pentium II processor, Never carry out any work inside the computer with AC and gives step-by-step instructions for adding more power applied. Always shut down the computer and system or video memory, upgrading the processor, unplug all power cords before removing the cover.
  • Page 68 OWNER’S HANDBOOK Major board features Auxiliary Line In internal connector 1.44 Mbyte diskette drive connector SPDIF internal connector CD audio connector Front panel USB internal connector Primary E-IDE connector Secondary E-IDE connector PSU logic connector ‘Wake on LAN’ connector PL19 ‘Wake on Call’...
  • Page 69 OWNER’S HANDBOOK Jumpers and control connections External connections On-board video enable/disable Port Purpose Case Symbol BIOS program enable/disable Monitor port J5-8 Processor clock multipliers (S-Video) port (factory option) DSP enable/disable Parallel (printer) port Audio subsystem enable/disable Mouse port Clear CMOS Keyboard port PL18 Joystick/MIDI internal connector...
  • Page 70: Motherboard Jumper Settings

    OWNER’S HANDBOOK Motherboard jumper settings On-board video disabling (J1) There are only a few jumpers on the motherboard that you may need to alter. All others are set at the If you install a video adapter expansion card, the factory and should not be changed. computer should automatically detect this and disable the on-board video adapter.
  • Page 71 OWNER’S HANDBOOK Processor multiplier (J5 to J8) CPU Audio disabling (J10) bus 66MHz The on-board audio system can be disabled by removing jumper J10 from pins 1-2 (EN) to pins 2-3 The details below are given for the clock speeds of (DIS).
  • Page 72 OWNER’S HANDBOOK Fan Connectors, PL3 & PL2 Clearing CMOS Pins Pins Main fan CMOS battery connected (default) 1-2* Fansink PL3 CMOS battery disconnected Ground Ground BIOS reprogramming + 12v + 12v (controlled)* Enabled Fan Fail Fan Fail Disabled * This voltage varies to control the fan speed. This is * This jumper must be returned to the normal determined from the processor’s heatsink temperature position before reconnecting the power cord.
  • Page 73: Motherboard Irqs And Dma Channels

    OWNER’S HANDBOOK Motherboard IRQs and DMA channels Components Interrupts (IRQs) System timer Keyboard controller PIC daisy chain Infra-red remote control Serial port 1 Audio Diskette controller Parallel port (usually sharable) Real time clock On-board video (sharable) USB (sharable) Mouse Co-processor Primary E-IDE Secondary E-IDE Refer to next page for an explanation of this table.
  • Page 74 OWNER’S HANDBOOK Components DMA channels Audio Diskette controller Parallel port (in ECP mode) DMAC daisy chain Fixed assignment BS = Can be disabled by BIOS Setup Usual assignment JS = Can be disabled by changing a motherboard jumper setting Alternative assignment by BIOS Setup Alternative assignment by Plug-and-Play 6 / 8 M o t h e r b o a r d F e a t u r e s &...
  • Page 75: Adding More Memory

    OWNER’S HANDBOOK Adding more memory You can give your PC more memory by adding or Technical note replacing memory modules called “DIMMs”. The DIMMs you use must have the following specification: gold contacts, 3.3V, 64 or 72-bit, The motherboard’s three DIMM sockets accept unbuffered, SDRAM-type with Serial Presence Detect DIMMs of up to 128 Mbytes in any combination (SPD) and a CAS latency of 2 at 66 MHz.
  • Page 76 OWNER’S HANDBOOK Removing a DIMM If you need to start by removing a DIMM, follow the diagrams on the left, depending on what type of socket you have. Hold the DIMM by its ends and avoid touching the metal contacts. Place the DIMM in suitable anti-static If you have this type of socket, press the tabs on both of packaging.
  • Page 77 OWNER’S HANDBOOK Inserting a DIMM When you take the DIMM out of its anti-static packaging, hold it by its ends and avoid touching the metal contacts. Follow the diagrams on the left to insert the DIMM, depending on what type of socket you have. In either case, there are asymmetrical indents along the connector edge that prevent the DIMM being If you have this type of socket, the DIMM is inserted...
  • Page 78: Adding More Video Memory

    OWNER’S HANDBOOK Adding more video memory Video memory is memory reserved for use by the on- Unpack the upgrade kit. Hold the SODIMM board video controller. More video memory can chip by its edges and be careful not to touch the provide more colours or higher resolutions to an metal pins.
  • Page 79: The Processor Assembly

    OWNER’S HANDBOOK the Reset Configuration Data item to “Yes”, then You can then reconfigure your operating system to restart the computer. use the expanded capabilities of the video controller. The processor assembly To remove the existing processor Turn off the computer and unplug all power cords.
  • Page 80 OWNER’S HANDBOOK To fit a new processor Disconnect the heat sensor connector (marked ‘C’ on the illustration) that goes to PL9 on the It should be noted that any upgrade or Overdrive motherboard. processor will not have the heat sensor as fitted to the original processor.
  • Page 81 OWNER’S HANDBOOK Refit the heatsink support, making sure that it is correctly and fully seated on the pins. It should snap into place. ◊ This bracket may not be fitted with some heatsink designs, or may not be needed with the the new processor. The upgrade or Overdrive processor may have its own cooling fan built into the heatsink.
  • Page 82: Replacing The Configuration Battery

    OWNER’S HANDBOOK Replacing the configuration battery The computer keeps a record of its current hardware To replace the battery configuration in a CMOS memory chip which is Turn off the computer and unplug all power sustained by a small battery. This battery has a life of cords.
  • Page 83 OWNER’S HANDBOOK Taking care not to touch the top or bottom surface of the battery, pick up the replacement with the positive (+) terminal upwards. Press the battery into the holder using a non-conductive implement. Refit the right side panel. Dispose of the discharged battery in accordance with the battery manufacturer’s instructions.
  • Page 84: Hard Disk Upgrades

    OWNER’S HANDBOOK HARD DISK UPGRADES This chapter describes how to add another hard disk drive to your computer. ♦ The forward drive bay can accommodate two hard disk drives. Either drive may be of 3.5-inch or 5.25-inch form factor. Typically, these are E- IDE drives, but SCSI drives are also acceptable if you have a SCSI host bus adapter expansion card.
  • Page 85: Configuring The Drive

    OWNER’S HANDBOOK Important Note This system complies with the CE Marking Directive and After you have upgraded your computer, it may not at its strict legal requirements. Use only parts tested and first recognise the new configuration. Start the BIOS approved by Mitsubishi Electric PC Division.
  • Page 86: Installing In The Forward Drive Bay

    OWNER’S HANDBOOK Installing in the forward drive bay To install a second (slave) hard disk drive in the 7a. If you are fitting a 3.25-inch hard disk drive, forward drive bay: attach it to the 3.5-inch drive mounting plate using the special screws provided with the drive. Turn off the computer and unplug all power Carefully slide the mounting tray (with drive) cords.
  • Page 87: Installing In The Rear Drive Bay

    OWNER’S HANDBOOK 9b. If you are fitting a SCSI drive, attach a spare 10. Check to ensure that no other cables or connector on the SCSI ribbon (signal) cable to connections have become dislodged or trapped the slave drive. during the work, then refit the internal metal blanking plate, the plastic front bezel and the system unit panels.
  • Page 88: Partitioning And Formatting The Drive

    OWNER’S HANDBOOK Check to ensure that no other cables or connections have become dislodged or trapped during the work, then refit the system unit panels. Partitioning and formatting the drive If the computer does not automatically detect the new Caution drive the first time you turn it on, start the BIOS When you run Fdisk, it assumes that you want to work Setup utility, go to the Advanced menu and change...
  • Page 89: Removable Media Drive Upgrades

    The forward drive bay of your computer can accommodate up to two removable-media drives. A Warning CD-ROM drive is fitted as standard in Apricot MS Never carry out any work inside the computer with AC models, occupying the topmost slot in the drive bay.
  • Page 90: Installing The Drive

    OWNER’S HANDBOOK Installing the drive To install a removable-media drive: Turn off the computer and unplug all power cords. If there is a diskette in the diskette drive, remove Take suitable anti-static precautions and remove all the system panels. For more information see “Anti-static precautions”...
  • Page 91 OWNER’S HANDBOOK Attach a spare power cable to the drive (it does Attach any other signal cables as instructed in not matter greatly which of the available power documentation supplied with cables you choose). removable-media drive. 8a. If you are fitting a SCSI device, install the SCSI 10.
  • Page 92: Bios Setup & Post

    OWNER’S HANDBOOK BIOS SETUP & POST BIOS (pronounced “bye-oss”) stands for ‘basic Your computer arrives already configured, but may input/output system’. The BIOS mediates between need to be configured again after you add or remove the computer’s hardware – the processor, memory, add-on options such as memory modules or and so on –...
  • Page 93: Bios Setup

    OWNER’S HANDBOOK BIOS Setup Starting BIOS Setup If BIOS Setup starts on its own To start the BIOS Setup utility: BIOS Setup might start on its own for three reasons: ♦ Turn on or restart your computer. The power-on self-test (POST) detects a configuration error or fault.
  • Page 94 OWNER’S HANDBOOK Control keys Press 1 or View a general help topic. Press Use the keys listed in the legend bar at the bottom of close the help window. the BIOS Setup screen to make your selections or exit the current menu. Exit the current menu.
  • Page 95 OWNER’S HANDBOOK Getting help in BIOS Setup Multi-boot facility You can at any time get general help about the control If you restart your computer and press the keys by pressing the 1 key. while the Mitsubishi Electric logo is on the screen, a diagnostics screen appears, followed by a menu similar The help window on the right-hand side of each to the following:...
  • Page 96: Power-On Self-Test

    OWNER’S HANDBOOK Power on self test ♦ Open up the system unit and check that all Recoverable POST errors internal signal and power cables are securely connected. Whenever a recoverable (non-terminal) error occurs during POST, the BIOS displays an error message ♦...
  • Page 97 OWNER’S HANDBOOK Fixed disk X failure or Fixed disk controller failure Parity check 1 xxxx or Parity check 2 xxxx A fixed (hard) disk drive is not working or not Parity error found on the system (1) or I/O (2) configured properly.
  • Page 98 OWNER’S HANDBOOK Terminal POST errors and beep codes System cache error - cache disabled The RAM cache failed POST and BIOS disabled There are several POST routines that shut down the computer if they fail. If possible, the BIOS displays a System CMOS checksum bad - run Setup two-digit hexadecimal code and/or sounds a sequence of beeps to identify the point at which POST failed.
  • Page 99 OWNER’S HANDBOOK Code Beeps Test which failed 1-2-2-3 BIOS ROM checksum 1-3-1-1 DRAM refresh. 1-3-1-3 8742 keyboard controller 2C xxxx 1-3-4-1 RAM failure on address line xxxx. 2E xxxx 1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus.
  • Page 100: Troubleshooting

    OWNER’S HANDBOOK TROUBLESHOOTING This chapter offers advice if you suspect a fault with If something goes wrong … your computer. It is concerned mainly with problems ♦ Read this chapter. caused by the computer itself; problems more often ♦ arise from other sources such as your operating system Review the rest of this manual to make sure you or application software.
  • Page 101: Problems When Starting

    OWNER’S HANDBOOK Problems when starting If you suspect a blown fuse Power-on self-test (POST) In the United Kingdom, and some other countries, Whenever the computer is turned on, the BIOS AC plugs contain fuses. If the fuse in the system’s unit POST routine tests various hardware components, AC plug blows when you turn on the computer, this including...
  • Page 102 OWNER’S HANDBOOK Diskette read failure Fixed disk read failure The diskette is either not formatted or defective. The hard disk may be defective. Press 1 to retry. Replace it with a system diskette and press Make sure the drive is correctly specified in the BIOS setup utility.
  • Page 103: Common Problems

    OWNER’S HANDBOOK Common problems If you encounter a problem with the computer the Monitor following sections suggest checks to make before you If there is no display check that the monitor is turned alert your supplier, authorised maintainer or support on, and the brightness and contrast controls are not organisation.
  • Page 104 OWNER’S HANDBOOK Keyboard Expansion cards If the keyboard response is poor, something may be If an expansion card does not work, check that all trapped under the keys. Turn the keyboard upside internal cables are securely connected, that the card is down and shake it;...
  • Page 105 OWNER’S HANDBOOK Diskette drive Overheating If you have problems accessing a diskette, check that If the system processor starts to overheat, it will it is inserted correctly, that it has been correctly automatically slow down or stop altogether. The formatted, that it is not write-protected, and that the computer is designed to operate in room temperatures diskette drive controller is enabled.
  • Page 106: Equipment Log

    EQUIPMENT LOG Use this equipment log to record pertinent information about your PC. It is useful to the relevant support agencies when diagnosing hardware faults. In particular, you must record the 12-digit fall-back password of the Electronic Fingerprinting security feature (see the Quick Start Guide for more information). Record the password in the space provided below, then store this page (or the whole manual) in a safe place.
  • Page 107 Model Serial number Mouse Speakers Sub-woofer Expansion cards Manufacturer Description Serial number...
  • Page 108 MITSUBISHI ELECTRIC MITSUBISHI ELECTRIC PC DIVISION PC DIVISION Apricot Computers Limited Apricot Computers Limited 3500 Parkside Niederlassung Deutschland Birmingham Business Park Gothaer Strasse 27 Birmingham B37 7YS 40880 Ratingen United Kingdom Germany Tel +44 (0) 121 717 7171 Tel +49 (0) 2102 4556...

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