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Mitsubishi Electric Apricot LS660 Owner's Handbook Manual

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LS/VS660
Owner's Handbook
COMPACT
NATIONAL
ACCREDITATION
OF CERTIFICATION
BODIES

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Table of Contents

   Summary of Contents for Mitsubishi Electric Apricot LS660

  • Page 1 LS/VS660 Owner’s Handbook COMPACT NATIONAL ACCREDITATION OF CERTIFICATION BODIES...
  • Page 2 OWNER’S HANDBOOK APRICOT LS/VS660...
  • Page 3 Intel and Pentium ® are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows ® and Windows ® NT are registered trademarks of Microsoft Corporation in the US and other countries. Other trademarks mentioned within this document and not listed above are the properties of their respective owners.
  • Page 4: Table Of Contents

    CONTENTS Safety and regulatory notices General Standards Power connection information Power - UK only Introducing your computer System front Rear view Audio subsystem (option) Turning on and booting Energy saving feature Turning the power off Removing panels The internal layout Electronic Fingerprinting 1/10 Using your computer...
  • Page 5 C o n t e n t s Troubleshooting Problems when starting Troubleshooting checklist The system’s disk drives System motherboard Principal features Jumpers and connections System connectors Replacing the CMOS battery Adding more memory Upgrading the processor 6/10 System BIOS and setup Entering setup Setup runs on its own Control keys...
  • Page 6: Safety And Regulatory Notices

    SAFETY AND REGULATORY NOTICES Electrical The computer uses a safety ground and must be earthed. The system unit AC power cord is its ‘disconnect device’. Ensure that the system unit is positioned close to the AC power outlet and that the plug is easily accessible.
  • Page 7: Standards

    External Speakers (where supplied) Always switch off or disconnect the AC supply before disconnecting any of the speaker leads, whether audio or power. Disconnect the AC supply when equipment is not used for a period of time. To prevent the risk of electric shock, do not remove speaker covers. Connecting the speaker power cord to any other cords or joining cords together can cause fire and risk of electric shock.
  • Page 8: Power Connection Information

    Thermalcote bonding compound The thermal bonding compound used between the system processor and its heatsink can cause skin irritation and stain clothing. Avoid prolonged or repeated contact with skin. Wash thoroughly with soap and water after handling. Avoid contact with eyes and inhalation of fumes. Do not ingest. Power connection information Typical AC plugs 250V...
  • Page 9 Power Cable Connections - UK ONLY This equipment is supplied with an AC power lead that has a moulded, non-removable, 3-pin AC plug. Always replace the fuse with one of the same type and rating which is BSI or ASTA approved to BS1362. Always refit the fuse cover, never use the plug with the fuse cover omitted.
  • Page 10: First Steps

    FIRST STEPS You should read this chapter even if you do not read any other. It provides important basic information to help you in using your computer. It is the minimum you need to know in order to use your computer safely and with ease. System front COM PACT Energy saving button and LED...
  • Page 11: Rear View

    F i r s t s t e p s Rear View 10 10 1 Rear of expansion bay Audio (option), see next page for details VGA port for monitor signal cable Handles to assist during side panel removal Parallel or printer port Security loop for cable or padlock Serial port 2 AC power output for monitor...
  • Page 12: Audio Subsystem (option)

    F i r s t s t e p s Security The security case-lock (15), can help prevent unauthorised removal of the cover, while the security loop, (11) above, can be used for either alarmed loop cable or anchoring cable. Audio subsystem (option) The optional motherboard sound system is a Creative Labs Vibra16.
  • Page 13 F i r s t s t e p s COM PAC If nothing happens when the P button is pressed, check that OWER the system unit and monitor power cords are securely connected and that the AC power supply is switched on. See also the chapter on ‘Troubleshooting’.
  • Page 14: Energy Saving Feature

    F i r s t s t e p s Energy Saving features Energy saving is normally enabled in the Power management section of the system BIOS. If the system is left unattended for more than a predetermined time, energy saving features come into play.
  • Page 15: Turning The Power Off

    F i r s t s t e p s Turning the power off Remember these two simple points: ♦ Close down any applications you are running and save any files you have altered or created. Data held only in the computer’s memory will be lost when you turn off the computer.
  • Page 16 F i r s t s t e p s Main panel Unlock the cover with the special key provided. It can be found on the rear of the system. Release the appropriate panel screws. Slide the panel carefully towards the rear of the system using the handle provided.
  • Page 17 F i r s t s t e p s 10 10 1 Other side panel This panel only needs to be removed for access to the drive bay fixing screws. No other components can be reached from this side. Remove the two panel securing screws.
  • Page 18: The Internal Layout

    F i r s t s t e p s The internal layout Please note that for clarity, all the internal ribbon and power connections are not shown. Power supply Processor socket First hard disk Memory, banks 1 and 2 Main drive housing Connections for drive ribbon -CD-ROM at top...
  • Page 19: Electronic Fingerprinting

    F i r s t s t e p s Electronic Fingerprinting (option) Electronic Fingerprinting allows information you supply to be stored in part of the computer’s permanent memory. This is then displayed every time the computer is switched on. It is intended that this information includes your name, address and phone number so that if your computer is stolen it can be traced back to you.
  • Page 20 F i r s t s t e p s Note Note You will be able to change any of the items in your branding details by running the Electronic Fingerprinting application later and entering the correct password. This would be necessary, for example, if you moved office or passed the system over to someone else.
  • Page 21: Using The Floppy Disk Drive

    THE SYSTEM DRIVES Using the floppy disk drive The floppy disk drive is usually configured in the system BIOS as drive A:, with a capacity of 1.44 Mbytes. Floppy disks should be kept away from bright sunlight, dust, moisture and any strong magnetic fields. Avoid opening the metal window on the disk as this exposes the magnetic surface to contamination which could render the disk useless.
  • Page 22: Optional Cd-rom Drive

    T h e s y s t e m d r i v e s Pressing the drive button will eject the floppy disk, but avoid doing so while the drive active light is on, as this may cause damage to the disk or the drive.
  • Page 23 T h e s y s t e m d r i v e s Inserting a compact disc Press the button on the front of drive. EJECT Place the CD centrally, printed side up, on the platter. If the platter ejected fully, push the button again, or EJECT gently push the front of the platter, and it will be drawn back...
  • Page 24: Optional Pd Drive

    T h e s y s t e m d r i v e s Care of CDs Keep CDs well away from dust and moisture, and avoid touching the surface of the CD. Avoid extremes of temperature and exposure to direct sunlight as these may cause the disk to warp.
  • Page 25 T h e s y s t e m d r i v e s There is an indicator LED to show the type of media which has been inserted, green for CD and amber for a cartridge. The rest of the controls are very similar to a conventional CD-ROM drive.
  • Page 26 T h e s y s t e m d r i v e s PD /C D BU These cartridges have a capacity similar to a CD-ROM but with the difference of being re-writable. They have a shelf life of 30 years or more, unlike magnetic material which decays over a relatively short period of time.
  • Page 27: Cleaning Your Drives

    T h e s y s t e m d r i v e s Cleaning your drives Cleaning a floppy drive Do not insert cotton buds or other implements into the drive door. If you think the drive needs cleaning, obtain a specialist cleaning kit from a reputable supplier.
  • Page 28: Adding New Drives

    ADDING NEW DRIVES New drive locations First hard disk drive (HDD) Spare drive bay Space for second HDD IDE hard drives Your computer can support more than one IDE hard disk drive. A single drive, or the ‘bootable’ device in a system, will be configured as ‘master’.
  • Page 29 A d d i n g n e w d r i v e s you could have your supplier or service organisation complete it for you. Turn off the computer and unplug all power cords. Take suitable anti-static precautions and remove the system side panels.
  • Page 30 A d d i n g n e w d r i v e s Refit the system side panels, metal plate and bezel insert. It will now be necessary to run the disk preparation utilities to partition and format the disk to your requirements. Your software guide or the operating system HELP should provide information on this topic.
  • Page 31 A d d i n g n e w d r i v e s Install any control card supplied with the drive, by following the detailed information given in chapter 4. Follow any additional instructions provided as regards to signal cable connection etc.
  • Page 32: Expansion Cards

    EXPANSION CARDS If, having read the following installation instructions, you do not feel confident about installing expansion cards yourself you may wish your supplier or service organisation to fit the card for you. The only tool required is a small cross-head screwdriver. Warning Warning Never carry out any work on the equipment with power applied.
  • Page 33 E x p a n s i o n c a r d s Caution Caution This system complies with the CE marking directive and its strict legal requirements. Use only Apricot tested and approved parts. Failure to do so may result in invalidating both the compliance and your warranty. All expansion cards or upgrade components must carry CE marking.
  • Page 34 E x p a n s i o n c a r d s Do not disable either one unless you have no intention of using the affected port. Similarly, if you have no intention of using the parallel port, you can disable it with the BIOS Setup utility, completely freeing IRQ7 for use by an expansion card.
  • Page 35 E x p a n s i o n c a r d s I/O ports Default assignment 080h-09Fh DMA page register 0A0h-0A1h Interrupt controller 2 0B4h, 0B8h, 0BCh Local bus ATA/IDE 0C0h-0DFh DMA controller 2 0F0h, 0F1h Math coprocessor busy (clear/reset) 0F8h-0FFh Math coprocessor 1F0h-1F7h...
  • Page 36: Installing A Card

    E x p a n s i o n c a r d s where the card’s memory begins within the address space. Typically, an expansion card’s memory must be mapped onto the addresses between C8000h and DFFFF in upper memory. With most modern expansion cards this is fully automatic.
  • Page 37 E x p a n s i o n c a r d s 10 10 1 Full PCI Full ISA Full PCI/ISA shared slot If the card you are installing is configured by the means of jumpers or switches, check that it is correctly configured before proceeding.
  • Page 38 E x p a n s i o n c a r d s Slide the card into the slot ensuring that the card edge connector engages correctly with the socket on the riser board. Do not use excessive force. Secure the card by replacing the screw that you removed in Step 5.
  • Page 39: Troubleshooting

    TROUBLESHOOTING This chapter offers advice if you suspect a fault with your computer. It is concerned mainly with problems caused by the computer itself, problems more often arise from other sources such as your operating system or application software. It must also be remembered that it can be very easy to leave off or dislodge cables and connectors inside the computer when fitting expansion cards, or upgrading the motherboard, or indeed anything that may require temporary removal of the system cover.
  • Page 40 T r o u b l e s h o o t i n g Power-on self-test (POST) Whenever the computer is turned on, the power-on self-test (POST) routine tests various hardware components, including memory, and compares the actual configuration of the computer with that recorded in configuration (CMOS) memory.
  • Page 41: Beep Codes

    T r o u b l e s h o o t i n g Boot failure message Explanation 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 the drive is correctly specified in the BIOS setup utility.
  • Page 42 T r o u b l e s h o o t i n g Number of beeps Explanation One long and two short This means that either the video system is faulty, or that a video I/O adapter ROM is not readable. beeps Two long and two short The video subsystem cannot be supported by the main system...
  • Page 43: Troubleshooting Checklist

    T r o u b l e s h o o t i n g Troubleshooting checklist If you encounter a problem with the computer the following sections suggest checks to make before you alert your dealer, authorised maintainer or support organisation. The checks listed cover the causes of common problems.
  • Page 44: The System's Disk Drives

    T r o u b l e s h o o t i n g Check also that the software which drives or uses the card is correctly configured. Check in the chapter, ‘Expansion Cards’ for information, and in ‘System BIOS and Setup’ to see whether your chosen settings are useable.
  • Page 45 T r o u b l e s h o o t i n g Optional PD drive Check the type of media in the drive, CD or PD disk cartridge. Remember that the PD cartridge needs the disk inside to be formatted to allow it to be written to.
  • Page 46: System Motherboard

    SYSTEM MOTHERBOARD Principal features Com 1 Video Parallel Com 2 (optional) Mouse Key/Bd Memory sockets 1, 2 (SIMMs) 11 Radio card audio connector Memory sockets 3, 4 (SIMMs) 12 TV card audio connector PL20, Front panel connector 13 CD audio connector Pls 3, 4, 6, 7 Case feature connectors 14 External ports CMOS Battery (type CR2032)
  • Page 47: Jumpers And Connections

    S y s t e m m o t h e r b o a r d Jumpers and connections PL100 PL22 PL32 PL37 PL36 PL11 PL10 PL3, PL4, PL6, & PL7 Caution Caution Do not alter any jumper settings under normal operation. You may cause permanent damage to the motherboard or its components.
  • Page 48 S y s t e m m o t h e r b o a r d Clear BIOS settings, PL8 Moving the link to pins 2-3, from the default position 1-2, disconnects the battery from the CMOS and will erase all the system settings.
  • Page 49 S y s t e m m o t h e r b o a r d Internal speaker connections, PL2 (if fitted) Pins Function Connection PL2 Stereo - Left Left (stereo) speaker = pins 1 and 2 Audio ground Mono Mono = pins 3 and 2 Link...
  • Page 50: System Connectors

    S y s t e m m o t h e r b o a r d System Connectors The following system connectors are used to connect various features to the motherboard. You should not normally need to disturb these connections but they may become dislodged during work inside the system casing.
  • Page 51: Replacing The Cmos Battery

    S y s t e m m o t h e r b o a r d Replacing the CMOS battery The battery has an average life of 3-5 years. If you have to reconfigure the computer every time you turn it on, the battery has discharged and needs replacing.
  • Page 52: Adding More Memory

    S y s t e m m o t h e r b o a r d Adding more memory The computer’s motherboard is fitted with sockets for up to four SIMMs (single in-line memory modules). You may need to add more memory if you want to run complex operating systems or large application programs.
  • Page 53 S y s t e m m o t h e r b o a r d Total Memory Bank 1 sockets Bank 2 sockets 8 Mb 4 Mb 4 Mb 16 Mb 4 Mb 4 Mb 4 Mb 4 Mb 8 Mb 8 Mb 16 Mb...
  • Page 54 S y s t e m m o t h e r b o a r d To install a SIMM Take the SIMM out of its anti-static packaging. Hold it by its edges and avoid touching the metal contacts. Note Note The SIMM is not symmetrical.
  • Page 55: Upgrading The Processor

    S y s t e m m o t h e r b o a r d Reconfiguring the system The first time you turn on the computer after adding or removing SIMMs the memory change will be automatically detected by the power-on self-test (POST).
  • Page 56 S y s t e m m o t h e r b o a r d Caution Caution If you are unfamiliar with the recommended anti-static precautions, refer to the antistatic section at the rear of this handbook. If the computer was turned on prior to commencing this procedure, wait at least 15 minutes for the processor to cool down before proceeding.
  • Page 57 S y s t e m m o t h e r b o a r d Fitting the new processor To fit the upgrade processor: Ensure that the securing lever on the ZIF socket is still in the upright position. Take the upgrade processor out of its anti-static packaging.
  • Page 58 S y s t e m m o t h e r b o a r d Place the processor in the socket, making sure that it is correctly aligned and that you do not bend or otherwise damage the pins. Caution Caution If the processor is misaligned it will not go into the socket, and any...
  • Page 59: System Bios And Setup

    SYSTEM BIOS AND SETUP BIOS (pronounced ‘bye-oss’) stands for basic input/output system. The BIOS operates at the boundary between the computer’s hardware (the processor, memory and so on) and its software (the operating system and your program), and effectively mediates between the two.
  • Page 60: Entering Setup

    S y s t e m B I O S a n d S e t u p Entering Setup Immediately after switching on the Mitsubishi logo is displayed at the top right hand corner of the screen: While this is visible you can press the F1 key to start the BIOS Setup utility.
  • Page 61: Control Keys

    S y s t e m B I O S a n d S e t u p Control keys A number of keys are used to move around the BIOS Setup utility, select items on the screen and change the current configuration. The two lines at the bottom of the screen indicate what you can do at any given time.
  • Page 62: Main Menu Screen

    S y s t e m B I O S a n d S e t u p Main menu screen When you start BIOS Setup a main menu screen appears with the following options: • • System Summary • • Product Data •...
  • Page 63 S y s t e m B I O S a n d S e t u p System Summary This page cannot be edited, but gives a summary of the system main settings. Changes made in other pages will be reflected here. Make a note (on page 13) of the information on this page before you progress any further or make any changes.
  • Page 64 S y s t e m B I O S a n d S e t u p Mouse This option enables the use of a mouse. The actual presence of the mouse can then be detected by POST. You should not normally disable this setting.
  • Page 65 S y s t e m B I O S a n d S e t u p Mbytes capacity. You might need to select Standard CHS if your operating system does not support Extended CHS for large drives. Hard Disk Drives Hard disk size and type is auto-detected when the computer is turned on, but other parameters can be manually set for each drive should it be required.
  • Page 66 S y s t e m B I O S a n d S e t u p System Security This is to allow you to set, change or delete passwords for either general or administrator use. Power-on Password This option allows you to set a password that is required every time the computer is turned on or rebooted.
  • Page 67 S y s t e m B I O S a n d S e t u p The user is allowed three attempts to enter the correct password. If they fail the computer is “locked” and must be switched off. Turning the computer on again restarts the sequence.
  • Page 68 S y s t e m B I O S a n d S e t u p Displayless Operation If this option is “Disabled”, POST will look for an attached monitor and report an error an error if it is faulty or missing; if “Enabled”, POST will allow the computer to start without a monitor.
  • Page 69 S y s t e m B I O S a n d S e t u p Advanced Setup Any settings changed here, if incorrect, may cause the system to halt or may cause your software to malfunction. A warning about this appears on the screen when you choose Advanced Setup from the menu.
  • Page 70 S y s t e m B I O S a n d S e t u p Plug and Play Enabling the Plug and Play adapter configuration will auto-configure any Plug and Play cards but any ISA adapters which do not support Plug and Play will require the system resources to be registered.
  • Page 71: Error Messages

    S y s t e m B I O S a n d S e t u p Error Messages If you get an error which is not listed or the problem persists, call your supplier or authorised maintainer. Code Cause Code Cause...
  • Page 72: Note Down Your Bios Settings

    S y s t e m B I O S a n d S e t u p Notes Note down your BIOS settings for reference. 7/14 LS/VS660 OWNER’S HANDBOOK...
  • Page 73: Appendix

    APPENDIX Suitable antistatic precautions Cleaning and transporting Fall-back password cut-out page LS/VS660 OWNER’S HANDBOOK...
  • Page 74 A n t i - s t a t i c p r e c a u t i o n s ANTI-STATIC PRECAUTIONS Static electricity can cause permanent damage to electronic components. You should be aware of this risk, and take precautions against the discharge of static electricity into the computer.
  • Page 75 A n t i - s t a t i c p r e c a u t i o n s ♦ 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.
  • Page 76 C l e a n i n g a n d T r a n s p o r t i n g CLEANING AND TRANSPORTING Cleaning the computer Do not use solvents or abrasives, they might damage the system unit surfaces.
  • Page 77 C l e a n i n g a n d T r a n s p o r t i n g The keyboard When necessary, clean the keycaps with a slightly damp clean cloth and a minimum amount of a non-abrasive cleaning agent. Regularly check the keyboard cable for wear and tear, particularly near table or shelf edges.
  • Page 78 C l e a n i n g a n d T r a n s p o r t i n g Inside the mouse there are three small rollers. Using a cotton swab moistened with a solvent cleaner, gently wipe off any oil or dust that has collected on the rollers, rotating them to reach all of their surfaces.
  • Page 79 FALL-BACK PASSWORD The fall-back password is a 12-digit number, unique to your computer, that is indelibly encoded in your computer's read-only memory. It is intended for use with your computer’s anti-theft features (described in Chapter 1, of this manual). If you ever forget your usual password, you can use the fall-back password instead.
  • Page 80 MITSUBISHI ELECTRIC PC DIVISION APRICOT COMPUTERS LIMITED 3500 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS UNITED KINGDOM Tel +44 (0)121 717 7171 Fax +44 (0)121 717 3692 http://www.apricot.co.uk...

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