Mitsubishi Electric Apricot LS660 Скачать руководство пользователя страница 27 | Manualshive

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T h e s y s t e m d r i v e s

LS/VS OWNER’S HANDBOOK 2/7

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. They are supplied with detailed
instructions.

It looks like a floppy disk, but has a special head cleaning surface
inside which removes dust and fluff from the reading heads and the
mechanism. They should be used only once and then discarded.

Cleaning the CD-ROM or PD drive

It is recommended that you occasionally use a specialist CD
cleaning disk to clean the lens in the drive as it may become dusty
and fail to operate. Specialist cleaning kits are available from
reputable suppliers and come with detailed instructions. They
should be used only once and then discarded.

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Содержание Apricot LS660

Страница 1: ...COMPACT LS VS660 Owner s Handbook NATIONAL ACCREDITATION OFCERTIFICATION BODIES ...

Страница 2: ...OWNER S HANDBOOK APRICOT LS VS660 ...

Страница 3: ... 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 No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any pur...

Страница 4: ...n and booting 1 3 Energy saving feature 1 5 Turning the power off 1 6 Removing panels 1 6 The internal layout 1 9 Electronic Fingerprinting 1 10 2 Using your computer Using the floppy disk drive 2 1 Optional CD ROM drive 2 2 Optional PD drive 2 4 Cleaning your drives 2 7 3 Adding new drives New drive locations 3 1 IDE hard drives 3 1 Fitting front drives accessories 3 3 4 Expansion cards Configuri...

Страница 5: ...ystem connectors 6 5 Replacing the CMOS battery 6 6 Adding more memory 6 7 Upgrading the processor 6 10 7 System BIOS and setup Entering setup 7 2 Setup runs on its own 7 2 Control keys 7 3 Main menu screen 7 4 Error messages 7 13 Note down your BIOS settings 7 14 Appendix Antistatic precautions A1 Cleaning and transporting A2 Fall back password cut out page A3 read the instructions in Chapter 1 a...

Страница 6: ...lement to remove the battery If a short circuit is made between its positive and negative terminals the battery may explode Replace a discharged configuration CMOS battery with one of the same type Dispose of the battery in accordance with the manufacturer s recommended instructions and Do not attempt to recharge disassemble or incinerate the discharged battery Keep away from children Laser produc...

Страница 7: ...2 Class B Immunity EN50082 Level 2 German Acoustic Noise Regulation Sound power level is less than 70 dB A according to DIN 45635 Part 19 ISO 7779 Notes All interconnecting cables e g Microphone headphone and speaker 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 Thi...

Страница 8: ...nada Procedure Note Note Any ancillary equipment using an AC power supply cable should be earthed The power supplies in the computer and the monitor are correct for the country in which the system is first sold Do not alter any switch settings on the rear of the system If you wish to use the computer in another country it may not be suitable contact your supplier or an authorised Apricot dealer Be...

Страница 9: ...in 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 Never substitute a power cord from any other appliance If you suspect a fault with the AC power lead obtain a replacement from your supplier or authorised maintainer ...

Страница 10: ... is the minimum you need to know in order to use your computer safely and with ease System front COMPACT 5 1 7 6 2 4 3 1 Energy saving button and LED 5 Available drive bays 2 Front lifting point 6 Power button 3 Floppy diskette drive 7 System LEDs 4 Optional CD ROM drive or optional PD drive Upper Not used on this model Middle Hard disk active Lower Power on Not to be used on its own ...

Страница 11: ...onitor signal cable 10 Handles to assist during side panel removal 3 Parallel or printer port 11 Security loop for cable or padlock 4 Serial port 2 12 AC power output for monitor 5 Serial port 1 13 AC power input from supply 6 PS 2 port for mouse 14 Protection cover for PSU fan 7 PS 2 port for keyboard 15 Main side panel locking 8 Dual stacked USB port A Panel fixing screws DO NOT use to lift syst...

Страница 12: ...e given in the motherboard chapter There is a built in amplifier suitable for driving headphones and passive speakers Phantom power is provided for microphone types that require this facility Electret type Speakers and microphone should be 8 Ohm impedance minimum 1 10101 2 1 2 3 4 5 1 Speakers 4 Microphone 2 Line out 5 Joystick MIDI port 3 Line in Turning on and booting the computer Turning the po...

Страница 13: ...errors the computer looks for its operating system to start it going that is it attempts to boot By default the computer will first look for a floppy system disk then for a bootable hard disk partition or area System disk A floppy disk bearing at least the rudiments of an operating system If the computer detects a disk in the floppy drive it tries to boot from it If it is a non system disk the com...

Страница 14: ...erative Warning Warning The energy saving features built into this computer are designed to be used with the monitor supplied with the system If you wish to use another or older monitor it may not be compatible and permanent damage may be caused Check with your Apricot dealer To restart the system just move the mouse or press a keyboard key Everything will return to the exact state in which it was...

Страница 15: ... off at the same time Wait 10 to 20 seconds before turning on again The computer may not initialise itself properly if you turn it off and on again in quick succession It may be advantageous on some occasions to use the Energy Saving features of the computer Press the purple button on the front panel to switch into the standby mode This will allow you to start up more quickly when you return to us...

Страница 16: ...ssible to lift the panel vertically clear of the system The motherboard and all of its components are now accessible Caution Caution Exercise care with the removed panels as there are metal fixings and hooks on the inside These may scratch delicate surfaces Top panel 1 First remove the main side panel as detailed above 2 Remove the top panel retaining screw 3 Again slide the panel towards the rear...

Страница 17: ...ched from this side 1 Remove the two panel securing screws 2 Slide the panel carefully towards the rear of the system using the handle provided 3 After about 2 to 3 cm movement it is possible to lift the panel vertically clear of the system The access window to the drive mounting screws is now clearly visible For instructions on fitting drives see the chapter on upgrading your system ...

Страница 18: ...onnections are not shown 1 4 5 9 10 7 6 8 3 2 1 Power supply 6 Processor socket 2 First hard disk 7 Memory banks 1 and 2 3 Main drive housing CD ROM at top 8 Connections for drive ribbon cables 4 Floppy diskette drive 9 Expansion riser 5 Motherboard see motherboard chapter for details 10 Audio board see page 1 3 for connection details ...

Страница 19: ...rtant 1 The first time you use the Electronic Fingerprinting application a unique fall back password will be displayed This is a 12 digit number and can be used in an emergency if you should forget your password You must therefore make a note of this number this is the only time you will ever see it A page at the back of the manual is provided for you to note it down Cut it out and keep it in a sa...

Страница 20: ...ally for extra security Electronic Fingerprinting can be set such that this same password is requested every time the computer is switched on Until you have entered your branding details the Electronic Fingerprinting application will automatically run each time the system software starts Thereafter Electronic Fingerprinting can be run by selecting its icon which is displayed at the top of the Star...

Страница 21: ...ace to contamination which could render the disk useless Inserting a floppy disk 1 Insert the disk with the metal window first with the label side uppermost into the drive This will push open the drive door COMPACT 2 Push the disk gently home until it clicks into place The drive button will also move outwards slightly The drive door will stay open leaving the disk just visible 3 The system should ...

Страница 22: ...y supplied in the CD ROM format only You require a special drive and disk to write to CDs The drive can retrieve multimedia data from CD ROM disks and multi session Photo CD disks It can also play audio CDs The CD ROM LED flashes when the CD ROM tray is opened and when it is active i e busy reading information It is important that the computer is not moved while a CD is in the drive especially if ...

Страница 23: ...w seconds for the drive to spin up to full speed before either attempting to play audio tracks or read data from the disk COMPAC T Warning Warning The laser beam inside the CD ROM drive is harmful to the eyes if looked at directly Do not attempt to remove the drive cover or otherwise disassemble the CD ROM drive If a fault occurs call an authorised maintainer To remove a compact disc press the eje...

Страница 24: ...vailable in record stores CD storage racks are useful as you will find the majority of new software is now supplied in CD format Emergency CD removal COMPACT To remove a CD manually for example during a power failure you must first ensure that the computer is turned off Insert a thin metal rod such as an unwound paper clip into the emergency eject hole Push carefully and firmly Optional PD drive T...

Страница 25: ...pted to format it All the standard types of CD can be used in this drive data music etc including the mini CD The Phase change drive will occupy the same space as the conventional CD ROM drive with the minor differences in controls as shown in the illustration COMPAC T 3 5 7 1 PD CD BUSY 6 4 2 1 Drive tray 5 Media indicator 2 Emergency eject 6 Drive active indicator 3 Headphone socket 7 Tray eject...

Страница 26: ...of time Like floppy disks they have a write protect switch The drive control software provides two icons each with its own drive letter These will be found in Windows Explorer or the drives section in the control panel One is for use with data cartridges the other is for CD ROM and is easily identified as such with a CD symbol Emergency removal of the media under conditions such as a power failure...

Страница 27: ...oks like a floppy disk but has a special head cleaning surface inside which removes dust and fluff from the reading heads and the mechanism They should be used only once and then discarded Cleaning the CD ROM or PD drive It is recommended that you occasionally use a specialist CD cleaning disk to clean the lens in the drive as it may become dusty and fail to operate Specialist cleaning kits are av...

Страница 28: ...figured as a slave The master drive may be supplied with more than one partition Caution Caution Apricot Computers Ltd tests many types of hard disks from a variety of manufacturers and all of our upgrade parts are guaranteed The quality or compatibility of drives obtained from any other source cannot be guaranteed Any damage caused by fitting non approved drives will not be covered by the system ...

Страница 29: ... the system alongside the metal drive cage 3 Pull out the blanking plate on the front of the internal drive bay metalwork 4 Check the master slave link on the new hard drive is set for slave drive The link across DS should be removed but kept for safety by placing it onto one of the pins A typical drive is illustrated here MASTER SLAVE 5 Remove the drive mounting plate from its position inside the...

Страница 30: ...uitable anti static precautions and remove both of the system side panels It may also be necessary to remove the top panel Detailed instructions for this are given in chapter 1 Caution Caution If you are unfamiliar with the recommended anti static precautions refer to the antistatic section at the rear of this handbook 2 Carefully remove the front bezel blanking insert by pushing it off from the r...

Страница 31: ...iled information given in chapter 4 8 Follow any additional instructions provided as regards to signal cable connection etc 9 After checking that no other cables have become dislodged or trapped refit the system panels 10 Follow any further instructions as given in any supplied manuals such as software or configuration requirements ...

Страница 32: ...ier or manufacturer If manual configuration is required usually with Industry Standard Architecture ISA cards then you will probably need to specify at least two of the following Interrupt request level IRQ Direct memory access DMA channel Base input output I O port address Base memory address The important thing to understand is that the settings used by the card must be different from the settin...

Страница 33: ...re reserved for components on the computer s motherboard Some of these interrupts are fixed others can be re assigned or freed by disabling the component with BIOS Setup as shown in the following table IRQ Default assignment Available IRQ0 System timer No IRQ1 Keyboard controller No IRQ2 System No IRQ3 Serial port 2 Optionally IRQ4 Serial port 1 Optionally IRQ5 Audio if fitted Yes IRQ6 Diskette co...

Страница 34: ... bit Audio Optionally DMA2 Diskette floppy disk controller No DMA3 Enhanced Capabilities Port default Optionally DMA4 System No DMA5 Default 16 bit Audio Optionally DMA6 Yes DMA7 Yes Base input output I O port address I O ports are used by the processor to communicate with hardware devices Some expansion cards are also controlled by I O ports The base I O port address specifies where the card s po...

Страница 35: ...2 300h 301Fh Alternate MIDI disable 330h 331Fh MIDI 378h 37Fh Parallel port 1 388h 38Fh FM synthesiser 3B0h 3BFh Monochrome display and printer adapter 3B4h 3B5h 3BAh Video subsystem 3C0h 3C5h VGA 3C6h 3C9h Video DAC 3CAh 3DFh VGA 3F0h 3F7h Diskette drive controller 3F8h 3FFh Serial port 1 Base memory address Some expansion cards are fitted with memory of their own usually read only memory ROM con...

Страница 36: ... or come into difficulties you are unable to resolve contact the supplier of the expansion card or ask your Apricot dealer for advice or assistance 1 Turn off the computer and unplug all power cords Take suitable anti static precautions and remove the system side and top panels detailed information is given in chapter 1 Caution Caution If you are unfamiliar with the recommended anti static precaut...

Страница 37: ...hes check that it is correctly configured before proceeding Note Note If the card uses the video feature connector VFC on the motherboard or any separately installed video board you may need to connect this before you install the card 6 Position the expansion card alongside the slot in which you wish to install it If it is a full length card align the end with the slot in the rear of the fan assem...

Страница 38: ...cessive force 8 Secure the card by replacing the screw that you removed in Step 5 9 Connect any necessary signal cables to the card See the documentation for the card for information 10 Check to ensure no other cables or connectors have become dislodged and replace the system panels 11 Read the manuals supplied with the card and follow any other installation requirements such as software etc ...

Страница 39: ...re calling Problems when starting If you suspect a blown fuse In the United Kingdom and some other countries AC plugs contain fuses Your Apricot computer is initially supplied and fitted with the correct fuse for operation in the country in which it is sold If the fuse in the system s unit AC plug blows when you turn on the computer this may be caused by an AC power surge but is more often a sympt...

Страница 40: ...ter wait at least 30 seconds and then turn it on again to see if the error is transitory or persistent Persistent POST errors may indicate a fault in the system Check that all external cables are securely connected Try running the BIOS Setup utility to reconfigure the system Open up the system unit and check that all internal signal and power cables are securely connected If the problem persists c...

Страница 41: ...companied by a POST error message call your supplier or authorised maintainer The system may halt completely with some of the errors and the beep code will keep repeating after a brief pause Number of beeps Explanation No beeps If no beeps are heard at all the speaker may be disconnected or there may be a speaker circuitry fault One short beep Marks the completion of POST and no functional errors ...

Страница 42: ... 1 1 3 CMOS write read test failure 1 1 4 BIOS ROM checksum failure 1 2 1 Programmable Interval Timer test failure 1 2 2 DMA initialisation 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 in...

Страница 43: ...ort you 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 exp...

Страница 44: ...d and System BIOS and Setup The system s disk drives Refer also to Chapter 2 Using your computer Floppy disk drive 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 BIOS allow the intended access Some application software also may not allow you to ...

Страница 45: ...ccessing any IDE hard disk drive use the BIOS Setup utility to check that the drive is correctly specified and that the drive s controller is enabled Check also that the disk has been correctly formatted and that the permission assigned by the operating system allow the intended access SCSI drives If you have just fitted a new SCSI drive or device check that you have used a valid ID that does not ...

Страница 46: ...SIMMs 12 TV card audio connector 3 PL20 Front panel connector 13 CD audio connector 4 Pls 3 4 6 7 Case feature connectors 14 External ports 5 CMOS Battery type CR2032 15 Video memory sockets 6 Floppy drive ribbon connector 16 Power supply connections 7 Secondary IDE connector CD ROMs 17 Video feature connection VFC 8 Primary IDE connector HDDs 18 Expansion riser board socket 9 Wave table connectio...

Страница 47: ... normal operation You may cause permanent damage to the motherboard or its components All jumpers are set at the factory and should not be changed 1 2 jumpers should be fitted across pins 1 and 2 2 3 jumpers should be fitted across pins 2 and 3 etc Open or O no jumpers should be fitted Closed or X jumpers should be fitted On the motherboard pin 1 of each block is indicated by a small triangle mark...

Страница 48: ...ttery connected default 1 2 CMOS erase 1 second to discharge 2 3 BIOS re program PL10 PL11 These links are for an official upgrade to the motherboard BIOS They must not be moved for any other reason Special software is required and the task should be carried out by authorised engineers Recovery PL10 Re program PL11 1 2 normal 1 2 enable 2 3 recovery 2 3 normal Floppy disk control mode PL22 Floppy ...

Страница 49: ...ck PL32 Warning Warning Do not alter these links under normal circumstances as it could destroy the processor or other vital components on the board ISA FS1 BF1 Pin 1 Pin 2 Reserved FS0 BF0 The ISA link on 11 12 must be fitted on all processors above 100Mhz Any links fitted on 13 14 or 15 16 are reserved and must not be moved Processor Jumper block PL32 Multiplier Bus frequency Pentium BF1 BF0 FS1...

Страница 50: ...ed 2 5 IRDA input Hard disk LED signal 3 6 Ground Hard disk LED return 4 7 IRDA output Ground 5 8 Ground Keylock switch 6 9 Not used Keylock switch return 7 10 Not used Power ON LED signal 8 11 Speaker out BEEP Power ON LED return 9 12 Message LED Standby LED signal 10 13 Message LED return Standby LED return 11 PL7 Reset switch return 12 1 Not used Reset switch 13 2 Not used Front panel connector...

Страница 51: ...e implement to remove the battery If a short circuit is accidentally made between its positive and negative terminals it may cause the battery to explode 2 Lift the edge of the battery far enough to clear the base of the holder then slide the battery from under the contact spring 3 Check the replacement battery is identical to the old battery 4 Taking care not to touch the top or bottom surface of...

Страница 52: ...e sockets labelled MM3 and MM4 form Bank 2 Hint Hint You cannot easily install a SIMM in a socket while the socket immediately next to it is occupied You may therefore need to remove a SIMM before you can install one Installing and removing SIMMs 1 Turn off the computer and unplug all power cords Take suitable anti static precautions and remove the system main side panel as detailed in the first c...

Страница 53: ...Mb 64 Mb 32 Mb 32 Mb 72 Mb 32 Mb 32 Mb 4 Mb 4 Mb 80 Mb 32 Mb 32 Mb 8 Mb 8 Mb 96 Mb 32 Mb 32 Mb 16 Mb 16 Mb 128 Mb 32 Mb 32 Mb 32 Mb 32 Mb To remove a SIMM 1 Gently disengage the metal holding clips on each side of the socket using your thumbs while placing your forefingers on the top edge of the SIMM Then tilt the SIMM forward to about 15o to the vertical 2 Lift the SIMM out of its socket Hold the...

Страница 54: ...entre along the connection edge as shown above It will only fit into the socket one way 2 Place the SIMM in the socket at a 15o angle to the vertical 3 Pushing gently on its top corners stand the SIMM upright in the socket until the pegs of the socket engage the holes on the SIMM and the metal clips hold both ends of the SIMM firmly in position Do not use excessive force 4 If the SIMM will not fit...

Страница 55: ...ter is supplied with a Pentium processor The ZIF zero insertion force processor socket on the motherboard is designed to accept a variety of Intel Pentium processors You can upgrade your processor by replacing it with one of higher performance The motherboard supports the full range of OverDrive processors known at the time of writing The system also supports a range of external clock speeds of 50...

Страница 56: ...lift the lever which secures the processor into the socket If your upgrade processor is not supplied with a built in heat sink or cooling fan you will have to re use the heat sink currently attached to your old processor 5 Lift this lever shown below from its locked position until it is upright at right angles to the motherboard The first and last 15 of movement may require significant effort Appl...

Страница 57: ...or out of its anti static packaging Hold the processor by its edges and avoid touching the metal pins The upgrade processor and the ZIF socket are keyed to ensure that the processor is installed in the correct orientation One corner of the socket has a key hole see below The corresponding corner of the processor is slightly bevelled and has a positioning guide in the form of a coloured dot 1 2 1 K...

Страница 58: ...osition Apply just enough pressure to overcome the resistance offered by the lever 5 If necessary place the heat sink into position on top of the new processor The vanes of the heat sink must be aligned with the airflow from the fan in front of the processor Refit the clip that secures the heat sink to the processor 6 You will need to adjust the processor speed selection jumpers on the motherboard...

Страница 59: ...ed 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 memory and maintained by a small battery so that the configuration is preserved even while the computer is switched off Your computer arrive...

Страница 60: ...gnalled by one or more of the POST error messages listed at the end of this chapter If a persistent fault is indicated make a note of any new error messages and the current configuration settings before calling an authorised maintainer The CMOS battery may be running down This may be signalled by spurious POST error messages If this happens every time you turn on the computer you may have to chang...

Страница 61: ...e BIOS Setup utility Keys to use Function Provides help on the highlighted topic pressing it again transfers you to the general help pages Exit either the setup or go back a page if in a sub menu Scroll through a menu list To toggle values or settings The enter key to select the highlighted item Numbers used in places where values are to be entered Used when required similar to numbers Restores th...

Страница 62: ... A bullet next to a line indicates that BIOS setup detected a configuration error and attempted to correct it This will be seen if Setup launches automatically on switch on to indicate a contentious area or a change to be investigated The Save Settings options 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...

Страница 63: ...o not disable the serial ports unless you are absolutely sure you are not going to need them Port B will be greyed out on those systems which are provided with an infra red remote receiver Parallel Port This allows you to set the I O port and interrupt used by the parallel port You can select Standard or Extended port modes To get EPP mode you may have to change the I O port setting Parallel Port ...

Страница 64: ... This details the video controller and details the size of the video memory IDE Controller This option enables the use of the hard drives connected to the onboard controller It should not be disabled IDE Drives Setup The motherboard s two IDE ATA Integrated Drive electronics AT Attachment interface support a total of four drives that is two drives per interface However the computer itself can acco...

Страница 65: ...en you will be required to specify the 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 Date and Time Use this to adjust the motherboard s Real Time Clock RTC This clock is maintained by a battery while the computer is turned off Time The time is in 24 hour format U...

Страница 66: ... computer to ask for the power on password ensure that Password Prompt is set to On If this option is set to Off the computer will still require the password but will not ask for it 4 Choose the Set or Change Power on Password option 5 A dialog asks you to confirm that you want to replace any existing power on password 6 Press ENTER to confirm or ESC otherwise Now when the computer is next turned ...

Страница 67: ...nistrator and a power on password the computer only allows you to enter Setup if you enter the Administrator s password Start Options Certain features can be set or enabled automatically when the computer boots Keyboard Numlock State If set to On default the keys on the numeric keypad on the right hand side of the keyboard will produce numbers when pressed If Off these keys provide cursor control ...

Страница 68: ...rst Startup Device it tries the Second Startup Device and so on Note that if the First Startup Device is set to Disabled the computer will be unable to boot The possible settings depend on the number and type of devices that are installed in your computer For example Diskette Drive 1 is not a possible setting without a second floppy disk drive By default the First Startup Device is Diskette Drive ...

Страница 69: ... the processor can access RAM faster than ROM second the contents of RAM can be cached for even greater performance All of the computer s system BIOS ROM is shadowed The ROM Shadowing option allows you to shadow video BIOS and up to three 32 Kbytes areas of expansion card ROM that is ROM fitted on ISA or PCI expansion cards addressed between C8000h and DFFFFh See the chapter entitled Expansion for...

Страница 70: ... more information about the resources used by expansion cards Error Log Any errors reported during the POST routine will be logged in the Error log It will contain the last three errors detected and can be cleared Power Management The Power Management is ON as default to enable the system to comply with the Energy Star program But it may be disabled or overridden by the Power Manager Software in W...

Страница 71: ...iguration information 1162 Serial configuration 163 Time of day not set preboot 1762 Hard disk configuration 164 Memory size does not match CMOS 1780 Fixed disk 0 failure 165 Add remove MC card 1781 Fixed disk 1 failure 166 Memory configuration change 1782 Fixed disk 2 failure 175 Bad EEPROM CRC 1 1783 Fixed disk 3 failure 176 System tampered 1800 No more IRQ available 177 Bad PAP checksum 1801 No...

Страница 72: ...S y s t e m B I O S a n d S e t u p 7 14 LS VS660 OWNER S HANDBOOK Notes Note down your BIOS settings for reference ...

Страница 73: ...LS VS660 OWNER S HANDBOOK APPENDIX Suitable antistatic precautions Cleaning and transporting Fall back password cut out page ...

Страница 74: ...puter is at risk from static discharge while the top cover is off as the electronic components of the motherboard are exposed Memory modules cache upgrades and OverDrive processors are other examples of 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 defin...

Страница 75: ...omponents 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 unnecessarily Keep all conductive material foodstuffs and especially liquids away from your work area and the open computer ...

Страница 76: ...ng the computer The system unit Occasionally wipe the outside of the system unit with a soft slightly damp clean cloth Occasionally check the air vents on the rear and sides of the system unit Dust and fluff can block the vents and limit the airflow A small clean soft brush may be useful Occasionally clean the removable media drives using a special disk cleaning kit These are available from many s...

Страница 77: ...erature If the keyboard does not work call your supplier or an authorised maintainer 4 If a solid object drops between the keys turn the keyboard upside down and shake it gently Do not probe between the keys as this may cause serious damage The mouse The mouse tends to be used heavily and so is susceptible to damage but a little care should minimise this Dust and fluff often accumulates in the bal...

Страница 78: ...Hard disks in particular can be damaged if the computer is dropped or handled roughly Do not transport the computer with either a floppy disk or a CD ROM left in the drives as they may cause damage both to the media and to the drive Do not attempt to pick up the computer using either of the drives as a lifting point Do not try to move the computer while it is plugged into the AC power supply or wi...

Страница 79: ...ures described in Chapter 1 of this manual If you ever forget your usual password you can use the fall back password instead To keep the fall back password secure it is displayed only once the first time that you use the anti theft features That is why you must make a note of the fall back password and keep it safe You should record the password in the space provided below then store this page or ...

Страница 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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