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T E C N I C A L I N F O R M A T I O N

A/7

•

Slide the new drive into this casing and secure it with its own
screws, two per side.

•

Looking inside the system, you will observe a steel blanking
plate which must be removed. This is accomplished by a gentle
twisting of the plate itself.

•

Next remove the plastic blanking plate from the front bezel, the
clips of which can now be reached through the hole left by the
removal of the steel plate. Retain this plastic plate for refitting if
the new drive should ever be removed.

•

If the drive is secure in the housing, replace the assembly and
check that the new drive is flush with the front of the system.
Tighten the screws, ensuring that the earth wire is firmly secured
under screw No 2. Do not overtighten.

•

Refit the 3.5 drive assembly, tighten the screws and reconnect
any cables if they were removed earlier.

•

Fit appropriate power connectors to the new drive and connect
up its signal/ribbon cables according to any instructions supplied
with the drive. The ribbon cable is ‘striped’ to indicate pin 1.
Correct orientation must be observed.

•

Refit the system cover carefully. Check that no other cables or
connections have become dislodged or trapped.

There may also be installation software, supplied on a floppy disk, to
control the drive just fitted. Check on this disk for any README
files before proceeding with any software installation. There may be
useful information which might not be in the written instructions.

Note

A CD-ROM or a 5.25 inch floppy drives must be entered in the BIOS for the
system, see appendix C, ‘System BIOS and set-up’.

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Содержание Apricot LS

Страница 1: ...OWNER S HANDBOOK VS LS apricot MITSUBISHI ELECTRIC ...

Страница 2: ...Apricot VS and LS Systems Owner s Handbook MITSUBISHI ELECTRIC ...

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

Страница 4: ... of the computer to rain or moisture When positioning the system unit monitor and keyboard take into account any local or national regulations relating to ergonomic requirements Microphone headphone and speaker cables should be less than 2 metres long Replace a discharged configuration CMOS battery with one of the same type Dispose of the battery in accordance with the manufacturer s recommended i...

Страница 5: ...eration If it is not installed and used properly in strict accordance with the manual it may cause interference with radio and television reception The computer has been tested and found to comply with the RF emission limits for an FCC Class B computing device which is intended to provide reasonable protection against such interference in a residential installation However there is no guarantee th...

Страница 6: ...card installed in an available slot Similarly some systems may be supplied with Windows 95 instead of DOS and Windows as their operating system The appropriate guide will be supplied for the software This handbook is intended to give advice and guidance on the use of your computer and include details on some of the optional drives and upgrades that you may have chosen to be fitted into it Many of ...

Страница 7: ...1 Using a CD ROM drive 2 2 The Hard disk drive 2 4 Software backup 2 6 Copying pre installed software 2 7 Using an FTD tape drive 2 7 3 SYSTEM EXPANSION Configuring a card 3 2 Installing a card 3 6 4 SYSTEM UPGRADES Adding system memory 4 1 Adding cache memory 4 5 Adding video memory 4 7 Upgrading the processor 4 9 5 MULTIMEDIA FEATURES The device drivers 5 1 The CD ROM drive 5 2 The sound connect...

Страница 8: ...ystem unit A 2 The components inside A 3 Drive specification A 4 Physical characteristics A 5 Fitting a new drive A 6 B SYSTEM MOTHERBOARD General specification B 1 Board layout B 3 System ports B 4 Jumper configurations B 6 Replacing CMOS battery B 8 C SYSTEM BIOS AND SET UP Entering set up C 1 Control keys C 1 Set up starts on its own C 2 Opening screen C 3 Sub menu pages C 4 Error messages C 11...

Страница 9: ...ut an overall view is given here 1 Mains in socket 2 Power out to monitor 3 Optional case lock 4 System security loop 5 Rear audio panel a 6 Keyboard port 7 PS 2 mouse port 8 Serial port COM1 9 Serial port COM2 10 Parallel printer port 11 Monitor connection a If fitted See chapter Multimedia for details on connections The optional Security case lock 3 can help prevent unauthorised removal of the c...

Страница 10: ...n memory During this time various messages are displayed Further information on the computer s Basic In Out System BIOS and its setting up can be found in Appendix C System BIOS and set up The boot sequence Provided that POST succeeds without any serious errors the computer attempts to find its operating system to start it going that is it attempts to boot By default the computer will first look f...

Страница 11: ...o the exact state in which it was left You may also press the purple button just above the power switch This button can also be pressed while you are using the system to override the BIOS timer and force the system into the low power mode The power management section of the system BIOS gives access to the control settings of the low power mode see appendix C System BIOS and set up You may also dis...

Страница 12: ...Transporting Your Apricot computer requires little physical maintenance other than occasional cleaning but you must take care when transporting it to avoid damage to some of its more delicate components particularly the hard disk Warning Turn off the system unit and unplug all power cords before cleaning or moving the computer Cleaning the computer Do not use solvents or abrasives they might damag...

Страница 13: ...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 Take care not to spill any liquid or drop small objects e g paper clips or staples onto the keyboard Follow these steps if this should happen to the keyboard and it stops working 1 Switch off and unplug the keyboard 2 If the liquid is sticky or viscous u...

Страница 14: ...he mouse to remove any dust that has collected there 5 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 6 Use clear water or water with a mild detergent to clean the ball Then dry it with a clean lint free cloth 7 Put the ball back in its...

Страница 15: ... drive door as a carrying handle Never attempt to lift the system with a monitor on top Do not leave floppy disks or CDs in the drives while moving the system as irreparable damage could occur to either drives or disks If you need to transport the computer any great distance use the original packing materials Warning If you intend to use the computer in another country read the information in the ...

Страница 16: ... kept away from bright sunlight dust moisture and any strong magnetic fields e g do not place them on the monitor printer or near a telephone It is common to store them in a lockable disk box away from the computer itself Avoid opening the metal window on the disk as this exposes the magnetic surface to contamination which could damage the data or cause the disk to become useless Inserting a flopp...

Страница 17: ...rive One of the popular options is the fitting of a CD ROM drive to a system A great deal current software is supplied on this format mainly due to the large capacity of the CD ROM disk A CD ROM drive is available either as an upgrade kit from your supplier or may have been pre installed for you at our factory Unless either a second hard drive has been installed or the existing hard drive has been...

Страница 18: ...e drive cover or otherwise disassemble the CD ROM drive If a fault occurs call an authorised maintainer Keep CDs well away from dust moisture and temperature extremes and avoid touching the surface of the CD Store them in solid containers wherever possible Replacement plastic CD containers are available from most large record stores Inserting a compact disc 1 Press the EJECT button on the front of...

Страница 19: ...ive as serious damage may be caused to both the CD and the drive especially if the drive is active at the time 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 see below The hard disk drive All modern computers are fitted with...

Страница 20: ...iding panels or false walls in a large office they cut the area into smaller sections each one then becomes almost independent A secondary hard drive Caution Apricot Computers Limited test many types of hard disks from a wide variety of manufacturers and all of our upgrade parts are fully guaranteed The quality or compatibility of components supplied from any other source cannot be guaranteed Comp...

Страница 21: ... disks or CD s The letters or files you have created would be lost permanently Your files may not be very large but they will be impossible to replace once lost Copy your data files to floppy disks or use proprietary utilities designed to do software backups such as the one in Windows Do this regularly and then keep the back up in a safe place It is good practice to perform a back up regularly usi...

Страница 22: ...onfiguring In particular you are not allowed to use installation diskettes created from disk images to install the software onto another computer This is an infringement of the copyright and is illegal Using an FTD tape drive The FTD floppy tape drive is so called because it uses the internal floppy disk interface and so does not require any additional drive controller card like some other tape dr...

Страница 23: ... is not being accessed by the computer the drive s activity indicator must be unlit 2 Pull the cartridge carefully out of the drive slot holding it between thumb and forefinger 3 Return the cartridge to its plastic holder This protects the cartridge and prevents dust from collecting on the surface of the tape Keep tape cartridges well away from magnetic objects and equipment that generates magneti...

Страница 24: ...oughly before concluding that the drive or your tapes are defective The read write head and the capstan are accessible through the flip up drive door as shown below Although it is possible to use special kits to clean the drive you can use 90 isopropyl alcohol and several non abrasive lint free swabs as follows 1 Turn off the system unit and unplug all power cords 2 Gently rub an alcohol dampened ...

Страница 25: ...t least one minute before using the tape drive This allows any residual alcohol to evaporate Take care at all times and avoid excessive force If you clean the read write head first and the swab is not too discoloured you may use the same swab to clean the capstan But if you clean the capstan first you must not use the same swab to clean the read write head Remember to keep your tape cartridges in ...

Страница 26: ... an office or business network fileserver and possibly mainframe A television card can enable you to watch TV on your monitor and capture individual frames This computer system has room for five expansion boards one full length Industry Standard Architecture ISA card two half length ISA cards one half length Peripheral Component Interface PCI card one either full length ISA or full length PCI card...

Страница 27: ... is that the settings used by the card must be different to existing hardware in the computer That is the settings must not conflict with other cards or a component on the motherboard Some settings are done by jumpers and or switches on the card and are best completed before installation others are configured by running installation software after the card has been fitted inside the computer Some ...

Страница 28: ...efault 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 controller No IRQ7 Parallel port Optionally IRQ8 Real time clock No IRQ9 Yes IRQ10 Yes IRQ11 Yes IRQ12 Mouse No IRQ13 Coprocessor No IRQ14 Primary ATA IDE interface No IRQ15 Secondary ATA IDE interface No With...

Страница 29: ...ble DMA0 Yes DMA1 8 bit Audio Optionally DMA2 Diskette floppy disk controller No DMA3 ECP printer port default Optionally DMA4 System No DMA5 16 bit Audio Optionally DMA6 Yes DMA7 Yes Base input output I O port address I O ports are an area of address space 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 spe...

Страница 30: ...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 containing functional extensions to the computer s BIOS basic input output system ROM Some cards also have random access memory RAM In order that this memory can be recognised by the system processor it must be mapped somewhere within the compu...

Страница 31: ...000h The card s documentation should list its possible base memory addresses You will also need to know how much memory the card has so that you can leave the right gap between this card s base address and the next Installing the card The only tool required is a small cross head screwdriver 1 Turn off the computer and unplug all power cords 2 Take suitable anti static precautions and remove the sy...

Страница 32: ...rews etc they will be needed later to secure the card 4 If the card you are installing is configured by the means of jumpers or switches check that it is correctly configured before proceeding Note If the card uses the video or audio feature connector on the motherboard you may need to connect this before you install the card otherwise the card may get in the way of the connector See appendix B Sy...

Страница 33: ...he settings in the ISA Legacy resources section See Appendix C System BIOS and set up Then follow any other installation requirements such as the card s own configuration software PCI cards of course will not need this step If you are installing a new video controller card and subsequently encounter problems try disabling the built in EVGA video controller by removing the jumper on the motherboard...

Страница 34: ...instructions on removing the top cover and the appendix B System Motherboard an outline guide showing all of the appropriate memory locations The only tool required to complete the installation of the upgrades is a small cross head screwdriver Warning Never carry out any work inside the computer with AC power applied Turn off the computer and unplug all power cords before starting work Adding more...

Страница 35: ...ons Total memory MM1 MM2 MM3 MM4 8 Mb 4 Mb 4 Mb 12 Mb 4 Mb 4 Mb 2 Mb 2 Mb 16 Mb 4 Mb 4 Mb 4 Mb 4 Mb 16 Mb 8 Mb 8 Mb 20 Mb 8 Mb 8 Mb 2 Mb 2 Mb 24 Mb 8 Mb 8 Mb 4 Mb 4 Mb 32 Mb 8 Mb 8 Mb 8 Mb 8 Mb 32 Mb 16 Mb 16 Mb 36 Mb 16 Mb 16 Mb 2 Mb 2 Mb 40 Mb 16 Mb 16 Mb 4 Mb 4 Mb 48 Mb 16 Mb 16 Mb 8 Mb 8 Mb 64 Mb 16 Mb 16 Mb 16 Mb 16 Mb 64 Mb 32 Mb 32 Mb 68 Mb 32 Mb 32 Mb 2 Mb 2 Mb 72 Mb 32 Mb 32 Mb 4 Mb 4 Mb ...

Страница 36: ...stall If necessary remove the existing SIMMs before going on to install the new SIMMs To install a SIMM 1 Take the SIMM out of its anti static packaging Hold it by its edges and avoid touching the metal contacts Note that the SIMM is not symmetrical There are small notches in one end and also slightly off centre along the connection edge as shown in the picture above it will only fit into the sock...

Страница 37: ... Place the SIMM in suitable anti static packaging When you have finished replace and reconnect the drive module you removed earlier then refit and secure the system unit cover 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 system BIOS but you will have to confirm to the BIOS that the change it ...

Страница 38: ...an improve the performance of some software applications by adding or upgrading the L2 cache memory To decide if an upgrade is possible Check the BIOS summary page to find out how much cache memory the computer already has See Appendix C System BIOS and set up Check with your supplier to find out what upgrade kits are available Caution Some older software is very speed sensitive and in some cases ...

Страница 39: ...f the system unit then remove the cards from the system unit 5 Remove the existing Cache memory SIMM module if fitted by carefully lifting by the edges It is a tight fit 6 Fit the new Cache memory SIMM module by aligning the module with the slot and carefully pressing home It will only fit in one way Remember it is a fairly tight fit 7 If necessary replace any expansion cards you removed earlier a...

Страница 40: ...unplug all power cords 2 Take suitable anti static precautions and remove the system unit cover Caution If you are unfamiliar with the recommended anti static precautions and or the process of removing the system unit cover refer to Appendix A The System Unit 3 If there are any expansion cards in the way you may have to remove them Take note of which way all of the cables are connected Disconnect ...

Страница 41: ...d check your system Remember no immediate on screen changes will be apparent unless there is a fault with the upgrade chips just fitted Running the video driver set up software will highlight extra capabilities Upgrading the 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 replac...

Страница 42: ...the way you may have to remove them Take note of which way all of the cables are connected Disconnect any cables connected to the cards remove the screws that secure the cards at the rear of the system unit then remove the cards from the system unit 4 To locate the processor ZIFF socket see appendix B System motherboard A lever attached to the socket secures the processor in the socket 5 Lift the ...

Страница 43: ...1 Ensure that the securing lever on the ZIF socket is still in the upright position 2 Take the upgrade processor out of its anti static packaging Hold the processor by its edges and avoid touching the metal pins 3 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 The corresponding corner o...

Страница 44: ...d position Apply just enough pressure to overcome the resistance offered by the lever 6 You must now adjust the Processor Selection and External Clock Speed jumpers on the motherboard See appendix B System motherboard for detailed information about adjusting motherboard jumper settings 7 Return any expansion cards to their original position that had been removed earlier then replace the system uni...

Страница 45: ...anteed to be compatible with the system or each other Device drivers All of the Multimedia aspects are controlled by software drivers These are loaded by batch files that are called by the operating system These are read by your computer when it boots up on switch on The software then initialises devices like the CD ROM drive the Sound system plus any others that may be installed If your system wa...

Страница 46: ...o or music CDs It is also possible to feed the output from here to your hi fi system Note You can still use all the other facilities on your computer while you are playing music from your CD drive Remember to allow a few seconds to enable the CD to reach full speed before attempting to play the audio tracks or read the data Inside your computer if you have the audio equipped version the CD drive a...

Страница 47: ...stick MIDI port 2 Microphone socket 3 Line IN socket 4 Line OUT socket 5 Speakers jack socket Microphone The input circuitry will accept most of the popular types of mono microphone that are available It provides phantom power for the electret condenser types 2 10101 1 1 2 3 4 5 ...

Страница 48: ...AC plugs contain fuses Your Apricot computer is supplied with the correct fuse fitted for operation within the UK If the fuse in the system unit s AC plug blows when you turn it on this may be caused by an AC power surge but is more likely a symptom of problems with the computer or its peripherals Follow these steps 1 Turn off the computer and unplug all power cords 2 Unplug all peripherals from t...

Страница 49: ... see if the error is transitory or persistent Persistent POST errors may indicate a fault in the system The computer may be able to continue despite the error indication for example if a memory chip fails POST the computer can sometimes continue with less memory If after checking the BIOS settings you are unable to clear the hardware problem call your supplier or authorised maintainer Failure to b...

Страница 50: ...d to the correct port 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 turned to minimum Expansion cards If an expansion card do...

Страница 51: ...the BIOS battery See Appendix B System Motherboard and Appendix C System BIOS and set up The system s disk drives Refer also to the chapter on using the system drives Floppy disk drives If you have problems accessing a diskette or floppy disk check that it is inserted correctly that it has been correctly formatted that is not write protected and that the permissions assigned by the BIOS allow the ...

Страница 52: ...age to software and sometimes hardware Inability to access drives destruction of data and even wiping of system BIOS have been experienced by unknowing recipients If possible check all floppy disks of unknown origin with virus scanning software before use If it was supplied from an unauthorised source be especially on your guard The supplier may not be aware of the potential problem Illegal copyin...

Страница 53: ...blems are caused by a virus and the vast majority of users will not get infected by them For most users it is more likely to be simply a corruption of some of the data It is also possible to see problems when trying to load the wrong type of file into an application This can sometimes cause the application to stop or even the system to crash completely In this situation remove any floppy disks and...

Страница 54: ...ry carpet Items handed from one person to another or being wrapped or unwrapped can acquire a static charge Air conditioning systems can also result in very high levels of static Clothing made of synthetic fibres is particularly likely to generate static electricity this static electricity is often completely unnoticed by the wearer but can be sufficient to cripple or destroy sensitive electronic ...

Страница 55: ... items with extreme care Hold expansion cards and add on components only by their edges avoiding their electrical contacts Never touch the components or electrical contacts on the motherboard or on expansion cards In general do not handle static sensitive items unnecessarily Keep all conductive material foodstuffs and especially liquids away from your work area and the open computer Opening the sy...

Страница 56: ...ponents inside 1 System main board for details see appendix B 2 Processor and system cooling fan 3 Floppy disk drive see chapter The system drives 4 Hard disk drive under casing 5 Power and Low power Restore switches 6 Power supply unit 7 Rear audio sub board see chapter multimedia a 8 Riser board see chapter Expansion a if fitted model dependant For simplicity ribbon and other cables are not show...

Страница 57: ... 4Mb s typical Speed Quadruple 600Kb s Mode 1 Access time 220 ms average 410 ms full stroke Cache Built in 256Kb Power Connector Standard 4 pin Loading 26W max at tray open close Audio Internal line 750mV at 47Kohms Headphones 550mV at 32ohms Disks Size 12 cm or 8 cm Types CD ROM mode 1 or 2 data CD audio disks Audio combined CD ROM Multisession Photo CD Laser Type GaA1As semiconductor Wavelength ...

Страница 58: ...nges Range Temperature Relative humidity with no condensation Storage Transport 5 to 55O C 20 to 80 Operational 10 to 35O C 20 to 80 Voltage range Setting AC Voltage Frequency 115V 100 to 120V 50 to 60 Hz 230V 220 to 240V 50 to 60 Hz Warning The power cord supplied with the system complies with the safety standards applicable to the country in which it was originally sold You should consult an Apr...

Страница 59: ...d The quality or compatibility of components supplied from any other source cannot be guaranteed Read through these instructions and make sure that they are understood before commencing work Loosen the screws holding the floppy drive assembly slide it towards the rear of the system and lift it out It may be necessary to temporarily disconnect drive cables Take careful note of how they are fitted L...

Страница 60: ...mly secured under screw No 2 Do not overtighten Refit the 3 5 drive assembly tighten the screws and reconnect any cables if they were removed earlier Fit appropriate power connectors to the new drive and connect up its signal ribbon cables according to any instructions supplied with the drive The ribbon cable is striped to indicate pin 1 Correct orientation must be observed Refit the system cover ...

Страница 61: ... Surepath 1 3 1 Mb Flash BIOS ROM Battery On board Lithium battery 3V type CR2032 or equal Memory SIMMs 32 Bit 70ns 5V Parity not required four SIMMs in two pairs Max 128 Mb EDO support Cache Modules L2 Write back Pipeline burst or async 256 Kb or 512 Kb modules with integral Tag RAMs Only the first 64 Mb of main memory is cached Video On board Cirrus Logic GD543x 544x Video RAM 1 Mb on board upgr...

Страница 62: ...r IDE Hard disk drives Secondary connector for ATA PI CD ROM drives Ports Parallel 25 way female D connector IEEE1284 EPP ECP Serial Two 9 way male D type RS232 16550 compatible Keyboard PS 2 compatible Mouse PS 2 compatible Monitor VGA SVGA EVGA Expansion By means of a riser board fitted to a socket on the motherboard this riser board can support 5 expansion boards as follows ISA one full length ...

Страница 63: ...em audio connector 9 TV audio connector 10 CD audio connector 11 Rear audio connection 12 Power connections 13 Riser board socket 14 External ports 15 VGA feature connector 16 Video mem upgrade sockets 17 CMOS Battery 18 Cache memory socket 19 System connections 20 Processor ZIF socket 21 Power module if fitted 21 20 2 3 1 19 18 17 15 14 Video Parallel Com 2 Com 1 Mouse Key Bd 7 8 9 10 6 5 11 16 1...

Страница 64: ...4 Data terminal ready 5 Signal ground 6 Data set ready 7 Request to send 8 Clear to send 9 Ring indicate Parallel port 25 way female D type connector 1 Strobe 2 Data bit 0 3 Data bit 1 4 Data bit 2 5 Data bit 3 6 Data bit 4 7 Databit 5 8 Data bit 6 9 Data bit 7 10 ACK 11 BUSY 12 PE 13 SLCT 14 Auto Feed 15 ERROR 16 INIT 17 SLCT IN 18 to 25 incl Ground 5 1 6 9 10101 13 1 25 14 ...

Страница 65: ...ono Green 3 Blue No pin Blue 4 Reserved No pin No pin 5 DIGITAL Ground Self test Self test 6 Red signal return Key pin Red signal return 7 Green signal return Mono signal return Green signal return 8 Blue signal return No pin Blue signal return 9 Plug No pin No pin 10 DIGITAL Ground DIGITAL Ground DIGITAL Ground 11 Reserved No pin DIGITAL Ground 12 Reserved DIGITAL Ground DDC Data 13 H sync H sync...

Страница 66: ...al upgrade to the system BIOS Do not move for any other reason PL5 Next to PL2 normal link 2 and 3 This link is used in the event of a disaster occurring during an upgrade to the system BIOS Link moved to pins 1 and 2 will enable the system to be booted up from an internal backup of the BIOS held in a secure area in the system ROM PL6 Normal link 2 and 3 move to pins 1 and 2 to enable BIOS reprogr...

Страница 67: ...of the processor s required settings should accompany the new processor and the appropriate board links should then be identified from the table below Warning DO NOT alter these links under normal circumstances as it may damage the processor and or other vital components on the motherboard Processor speed PL17 SW 1 Link No link ISA MHz Pentium P 75 VRE Pin 1 8 33 P 90 VRE Pin 1 7 5 P 100 VRE Pin 1...

Страница 68: ...ed PL28 Pins 1 2 System standby restore switch 3 to 7 Infrared controller 8 9 10 Fan slow mode 11 12 13 Fan full speed mode 14 to 17 Internal speaker Replacing the CMOS battery If you have to reconfigure the computer BIOS every time you turn it on the battery has discharged and needs to be replaced The battery is a 3 volt lithium type CR2032 or equivalent typically used in calculators watches and ...

Страница 69: ...If a short circuit is accidentally made between its positive and negative terminals it may cause the battery to explode 5 Lift the edge of the battery far enough to clear the base of the holder then slide the battery from under the contact spring 6 Taking care not to touch the top or bottom surface of the battery pick up the replacement with the positive terminal upwards 7 Slide the battery into t...

Страница 70: ...nd operation It is not advisable to alter any settings under normal use Entering Set up During or just after the POST a small box appears in the top right corner of the screen It looks like this While this is on the screen press F1 on the keyboard and in a few seconds you will be presented with the BIOS set up screen You cannot enter this set up utility at any other time or by any other method Con...

Страница 71: ...es are made Set up starts on its own This can happen for three reasons There is a configuration error or fault In which case an error message may well appear A list of these is given at the end of this chapter The BIOS battery may be running down In this case you may also get error messages If it happens every time you boot up you may have to change the motherboard battery Instructions for this ar...

Страница 72: ...ptions Boot from A or C keyboard speed POST speed etc Advanced set up Change the cache settings ROM shadowing and other related topics ISA Legacy resources Register resources used by new ISA expansion cards memory DMA interrupts etc Power management Change settings for the Low power energy saving mode Save settings Saves any changes that have been made Restore settings Restores all the settings to...

Страница 73: ... I O port and interrupt used by the parallel port You can select standard or extended port modes To obtain the extended port modes it will be necessary to change the I O setting Standard mode Output only Extended mode Bi directional Simple two way data EPP Enhanced parallel port compatible operation ECP Extended capabilities port operation Any parallel port devices that you may wish to attach such...

Страница 74: ...ncluded in this section CDROM 3 as most new types are controlled from the secondary IDE interface Selecting either of the HDDs will put you into a further sub menu where their settings can be changed Performance Select either Compatible or High performance The default setting is High performance Transmission mode Select either Extended or Standard The default setting is Extended Selecting either o...

Страница 75: ...on with the START OPTIONS menu You must ensure that a user has access to a START UP DEVICE or the system could end up being impossible to use User password If a user password is enabled the correct password must be entered every time the system is switched on or re booted If you select this option a sub menu appears Enter User Password Type in your password use numbers and letters only Enter Passw...

Страница 76: ...rd and to choose whether a user can change their individual password This administrator password will be requested in order to enter the BIOS SET UP If the user password is entered instead there is only access to the System Summary and if enabled access to setting the User Password of System Security The procedure is generally the same as for the User Password with the addition of User Password ch...

Страница 77: ...choice of sequence that the BIOS uses to look for a boot drive The default sequence is Diskette drive 0 Hard disk 0 i e A then C It should not need to be changed for normal operation Power On Self Test The POST can be selected to either run only a short set of tests Quick or a full test Enhanced The default setting is Enhanced Virus Detection When Enabled the BIOS will perform a checksum operation...

Страница 78: ... they are already in use by parts of the system Changes should only be made to the supplied settings when fitting a new expansion board if asked to do so and then with great care using the information supplied with the particular card ISA Legacy Resources When expanding your system with an ISA card this menu section is used to register the system resources that the card uses This needs to be done ...

Страница 79: ...g or disabling them in this menu Certain settings are not adjustable while some of them will have been pre set in our factory to ensure compliance with the Energy Star Programme Timing changes or disabling the features are both straight forward Control keys are shown on page 1 of this chapter Menu option Settings Hard disk standby Disable Enable Timing for this is set at 20 mins and is not adjusta...

Страница 80: ...of day not set preboot 1780 Fixed disk 0 failure 164 Memory size does not match CMOS 1781 Fixed disk 1 failure 175 Bad EEPROM CRC 1 1782 Fixed disk 2 failure 176 System tampered 1783 Fixed disk 3 failure 177 Bad PAP checksum 1800 No more IRQ available 178 EEPROM is not functional 1801 No more room for option ROM 183 PAP update required 1802 No more I O space available 184 Bad POP checksum 1803 No ...

Страница 81: ...00 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS UNITED KINGDOM APRICOT COMPUTERS LIMITED TRAVELLERS LANE HATFIELD HERTFORDSHIRE AL10 8XB UNITED KINGDOM MITSUBISHI ELECTRIC EUROPE GmbH GOTHAER STRASSE 8 POSTFACH 1548 40835 RATINGEN DEUTSCHLAND ...

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