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Mitsubishi Electric APRICOT 340, Owner'S Handbook Manual

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APRICOT 340 OWNER’S HANDBOOK      3

8

Troubleshooting

Problems when starting

8/1

Troubleshooting checklist

8/5

A

Inside the System Unit

Anti-static precautions

A/1

Opening the system unit

A/3

Motherboard layout

A/4

System connectors

A/6

Changing jumper settings

A/7

Replacing the configuration battery

A/10

B

Technical Information

Specifications

B/1

Physical characteristics

B/6

Electrical characteristics

B/6

Port characteristics

B/8

Summary of Contents for APRICOT 340

Page 1: ...OWNER SHANDBOOK Apricot 340 apricot MITSUBISHI ELECTRIC ...

Page 2: ...APRICOT 340 XEN PC OWNER S HANDBOOK APRICOT VS340 APRICOT MS340 APRICOT LS340 APRICOT XEN PC ...

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

Page 4: ...is imperative that the system unit is set to the correct voltage range before use If not the machine may be irreparably damaged To prevent fire and electric shock do not expose any part of the computer to rain or moisture Turn off the computer and unplug all power cords before moving the system unit cleaning the computer or removing the system unit top cover Battery This product contains a replace...

Page 5: ...The CD ROM drive contains a laser system which is harmful to the eyes if exposed Do not attempt to disassemble the CD ROM drive if a fault occurs call an authorized maintainer Use the CD ROM drive only as described in this manual failure to do so may result in exposure to hazardous radiation Ergonomic When positioning the system unit monitor and keyboard take into account any local or national reg...

Page 6: ...e earthed All interconnecting cables e g cables for microphones headphones or external speakers and communication cables must be less than 2 metres in length If cable extensions are used ensure that adequate earth connections are provided and that screened cables used Use only Apricot tested and approved upgrades Failure to observe these requirements cancels Apricot s responsibility for this produ...

Page 7: ...ng compound The thermal bonding compound used between the system processor and its heat sink 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 ...

Page 8: ...components 2 3 Turning on and booting the computer 2 5 Backing up the pre installed software 2 8 Using the 3 5 inch diskette drive 2 9 Using Help 2 11 3 Using the BIOS Setup Utility Starting BIOS Setup 3 2 If BIOS Setup starts on its own 3 2 Control keys 3 3 Main menu screen 3 5 System Summary 3 6 Devices and I O Ports 3 6 Date and Time 3 8 System Security 3 8 Start Options 3 11 Advanced Setup 3 1...

Page 9: ...e 4 8 Using a SCSI DDS 2 tape drive 4 9 5 Maintaining and Transporting Cleaning the computer 5 1 Transporting the computer 5 3 Using the computer in another country 5 3 6 Adding Expansion Cards Configuring the card 6 3 Installing the card 6 8 7 Upgrading Inside the system unit 7 2 Adding more system memory 7 4 Adding cache memory 7 8 Adding more video memory 7 10 Upgrading the processor 7 12 Addin...

Page 10: ...A Inside the System Unit Anti static precautions A 1 Opening the system unit A 3 Motherboard layout A 4 System connectors A 6 Changing jumper settings A 7 Replacing the configuration battery A 10 B Technical Information Specifications B 1 Physical characteristics B 6 Electrical characteristics B 6 Port characteristics B 8 ...

Page 11: ...em unit AC power cord and monitor power cord appropriate for the country of sale System documentation this Owner s Handbook etc Microsoft Windows 95 or if requested Microsoft MS DOS and Windows for Workgroups documentation More elaborate systems may include software or hardware options with accompanying installation diskettes and additional documentation Some of these options may have been factory...

Page 12: ...I n t r o d u c i n g 1 2 APRICOT 340 OWNER S HANDBOOK Pictorial guide to the system unit 2 1 5 6 7 4 4 3 ...

Page 13: ...system lights when a hard disk drive or SCSI tape drive is in use depending on the operating system 3 infrared sensor fitted only on Apricot LS340 models with a built in LOC Technology system 4 speaker grille Apricot MS340 and LS340 models have internal stereo speakers Apricot VS340 and XEN PC models have a single internal speaker right hand side 5 door shown closed hinges down to reveal the remov...

Page 14: ...I n t r o d u c i n g 1 4 APRICOT 340 OWNER S HANDBOOK 17 10 1 3 9 10 2 4 5 6 7 8 18 16 11 15 12 13 14 ...

Page 15: ...ystem 10 casing screws unfasten these to remove the top cover 11 joystick MIDI port MS LS models intended for either a standard PC analog joystick or a MIDI In Out adapter 12 audio input socket MIC MS LS models mainly intended for a microphone Alternatively you could attach a personal stereo tape or CD The socket provides phantom power for electret condenser type microphones 13 line in socket IN M...

Page 16: ...cal VS series Apricot VS340 and Apricot XEN PC the multimedia MS series Apricot MS340 and the business minded LS series Apricot LS340 and Apricot LS340E Standard features The standard features of the range include Intel Pentium processor with upgrade capability 8 Mbytes of system random access memory RAM upgradeable to 128 Mbytes by the use of standard 32 bit 70 nanosecond SIMMs single in line mem...

Page 17: ...wo serial ports extended keyboard two button mouse Energy efficient features All models in the range comply with the requirements of the US Environmental Protection Agency s Energy Star programme for energy efficient computers These models support System Management Mode SMM of Intel SL Enhanced processors Operating systems and applications that use the Intel Microsoft Advanced Power Management APM...

Page 18: ...rovides important information to help you site connect power and configure the computer This chapter will tell you all you need to know in order to start work The chapters after this one deal with the BIOS Setup utility and various removable media drives Warning Read the separate Power Connection Guide before using the computer for the first time ...

Page 19: ...al regulations relating to ergonomic requirements For example you should ensure that little or no ambient light is reflected off the monitor screen as glare and that the keyboard is placed in a comfortable position for typing Give the computer plenty of room so that air can circulate on all sides Air is drawn into the system unit through vents on the bottom and on the left hand side and expelled t...

Page 20: ...ter s system unit and its monitor to ensure that they are compatible with the AC power supply If necessary the AC voltage setting of the system unit can be adjusted by the voltage selection switch on the rear of the system unit Refer to the chapter on Maintaining and Transporting for instructions on how to do this It is likely that the monitor s voltage setting will also need adjusting consult the...

Page 21: ...or not at all 4 Where appropriate connect other signal cables between your peripherals and their respective ports on the system unit Make sure the signal cables are connected securely 5 Plug the keyboard cable into the keyboard port on the system unit Be careful not to plug it into the mouse port by mistake 6 Plug the mouse into the mouse port on the system unit Never connect either the keyboard o...

Page 22: ...lf test POST routine test various hardware components and compares the actual configuration of the computer with that recorded in configuration CMOS memory During this time BIOS sign on and POST messages are displayed The boot sequence Provided that POST succeeds without discovering any serious errors or configuration discrepancies the computer attempts to find an operating system that is it attem...

Page 23: ...e you can press F3 to continue By doing so you are acknowledging that you have read understood and accepted the terms and conditions Why your computer may seem to stop working Your computer has a built in energy saving feature If you leave it for a while without doing anything it goes into a special low power standby mode The monitor display goes blank and the processor slows down The operating sy...

Page 24: ...ing Close down or quit any software that employs virtual memory or disk caching Windows 95 and Windows for Workgroups do this automatically Always turn off any attached peripherals first However there s no need to turn off the monitor if it s being powered from the system unit Wait until all the activity indicators on the front bezel are unlit To turn off the computer simply press the POWER button...

Page 25: ...ack up copy will safeguard the pre installed software against loss if the hard disk fails or if you accidentally overwrite or delete files A disk imaging utility is provided with Windows 95 and Windows for Workgroups This allows you to create installation diskettes for the operating system and some other software from disk images pre installed on the hard disk See the utility s on line help for mo...

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

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

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

Page 29: ... BIOS Setup is a utility programmed into the computer s BIOS ROM Its main purpose is to allow you to view and alter the computer s hardware configuration It is also used to configure various security and power saving options Configuring the computer is necessary to ensure that the software you use can recognise and exploit the hardware s capabilities The current configuration is kept in a special ...

Page 30: ... one or more of the POST error messages listed in the Troubleshooting chapter If a persistent fault is indicated make a note of any error messages and the current configuration settings before calling an authorized 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 change the batt...

Page 31: ...ne and press F1 Some lines are for information only Others have fields you may change Changeable fields are enclosed in square brackets Most changeable fields allow you to select one of a few possible values To select a different value use the LEFT ARROW and RIGHT ARROW keys Some changeable fields require you to enter a number You may type numbers press the PLUS key to increment the current value ...

Page 32: ...AGE DOWN Move between the pages of the current screen F1 View a pop up help dialog on the currently highlighted item Press F1 again to get general help on Setup Press ESC to close the help dialog F9 Restores the previous setting for the currently selected item F10 Restores the BIOS default setting for the currently selected item This setting may not be appropriate for your particular system ESC Ex...

Page 33: ...s associated with them and are described later in this chapter A bullet next to a line indicates that BIOS Setup detected a configuration error and attempted to correct it The Save Settings option saves any changes that you have made so far The Restore Settings option restores the settings that were in effect when you started the BIOS Setup utility with the exception of the Date and Time settings ...

Page 34: ... 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 mode Description Standard Used for output only Extended Bi directional Simple two way data EPP Enhanced Parallel Port mode ECP Extended Capabilities Port mode Any parallel port devices that you may wish to attach such as a tape strea...

Page 35: ...he primary IDE interface and the CD ROM drive connected to the secondary interface Hard disk drives Hard disk size and type is auto detected when the computer is turned on but two other parameters can be manually set for each drive Parameter Settings IDE Performance High Performance mode allows the system to make use of any performance enhancement features the drive may have You should select Comp...

Page 36: ...keys to move from hours to minutes to seconds To enter new values use the number keys or the PLUS and MINUS keys to increase or decrease the number Date The date is in the usual Day Month Year format The procedure for altering the date is the same as for altering the time Once the correct date is set you should not need to set it again The computer accounts for leap years automatically System Secu...

Page 37: ... on or rebooted Only people who know the password will be able to use the computer The password can be up to seven characters long To define a power on password 1 In the Power on Password dialog type the password in the Enter Power on Password box then press the DOWN ARROW key 2 Type the password once more in the Enter Power on Password Again box To preserve confidentiality the password is not dis...

Page 38: ...rtant that authorized users of the computer are told to expect this or they may think that the computer has stopped working The user is allowed three attempts to enter the correct password If she fails the system is locked and must be turned off Turning the computer on again restarts the sequence To delete a power on password 1 In the Power on Password dialog choose the Delete Power on Password op...

Page 39: ...t an error if the drive is faulty or missing If Enabled POST will omit the test and continue provided that another boot device is available i e the hard disk drive Displayless Operation If this option is Disabled POST will look for an attached monitor and report an error if it is missing if Enabled POST will allow the computer to start without a monitor Keyboardless Operation If this option is Dis...

Page 40: ...y a Quick set of tests or a more thorough but longer Enhanced set Virus Detection If this option is Enabled each time the computer boots the BIOS will check the startup device to find out if a boot sector virus has crept in This is not an infallible check against the newer types of virus but it can help Advanced Setup Any settings changed here if incorrect may cause the system to halt or may cause...

Page 41: ...xpansion card ROM Note that the two 32 Kbyte areas from E0000h to E7FFFh and E8000h to EFFFFh cannot be shadowed independently of the system BIOS ROM Caution Shadowing is only appropriate for expansion card ROM It must not be enabled for expansion card RAM PCI Settings The only configurable PCI setting is Palette Snooping which can be Enabled or Disabled It should be enabled only for PCI video exp...

Page 42: ...ows Help file pre installed on your hard disk Hard Disk Standby If this option is Enabled the hard disk drive will stop spinning or spin down after about 20 minutes of inactivity Standby Time out If this option is not Disabled the computer will go into a low power standby mode after the specified period of inactivity The processor slows down and provided that the Monitor Power Management option is...

Page 43: ...saver supplied with Windows for Workgroups See your Windows Help files for more information Caution The monitor supplied with your computer is designed to work with these energy saving features If you want to use another monitor make sure that it supports DPMS if it doesn t it may be permanently damaged ...

Page 44: ...HD or high density or 360 Kbytes if marked DD or double density Each floppy disk is sealed into a flexible plastic envelope with a long rounded aperture through which the read write heads of the disk drive can meet the disk surface You must never touch the exposed surface of the disk yourself Keep floppy disks well away from dust moisture magnetic objects and equipment that generates magnetic fiel...

Page 45: ...ter clockwise to disengage the drive mechanism The diskette is ejected halfway out of the drive 3 Pull the disk completely out of the drive Write protecting a floppy disk A floppy disk can be write protected by covering the small notch in the edge of the disk envelope A with a self adhesive tab B such tabs are typically supplied with new floppy disks With the tab in this position you can read or p...

Page 46: ...only when drive is powered The software required to control the drive depends on the type of drive and the operating environment see the Help provided with the computer or ask your supplier for details The drive has its own headphone jack with associated volume level control These can be used to listen to music CDs but not usually to the audio on multimedia CDs such as games Do not attempt to move...

Page 47: ...e that the computer is turned on otherwise the EJECT button will not work and that drive is not currently in use the drive s activity indicator must be unlit 2 Press the EJECT button The drive mechanism disengages and the platter is ejected The EJECT button can be disabled by the software controlling the CD ROM drive In this case pressing the EJECT button will have no effect 3 If the platter only ...

Page 48: ... minicartridges 750 ft 400 Mbytes This nominal capacity can typically be doubled to 800 Mbytes by software data compression The software required to control the tape drive depends on your operating environment ask your supplier for details Note The drive can also accept QIC 80 Wide cartridges 400 ft 208 Mbytes and long length QIC 80 cartridges 307 5 ft 124 Mbytes Inserting a cartridge 1 Remove the...

Page 49: ... cartridge is not being accessed by the computer the drive s activity indicator must be unlit 2 Pull the cartridge carefully out of the drive slot holding it between thumb and forefinger 3 Return the cartridge to its plastic holder This protects the cartridge and prevents dust from collecting on the surface of the tape Write protecting a cartridge A cartridge can be write protected by sliding the ...

Page 50: ...ing that the drive or your tapes are defective Although it is possible to use special kits to clean the drive we recommend the use of 90 isopropyl alcohol and several non abrasive lint free swabs as follows 1 Turn off the system unit and unplug all power cords 2 The read write head and the capstan are accessible through the flip up drive door 3 Gently rub an alcohol dampened swab against the surfa...

Page 51: ...gages with the drive mechanism Removing a cartridge 1 Check that the cartridge is not being accessed by the computer the drive s activity indicator must be unlit 2 Pull the cartridge carefully out of the drive slot holding it between thumb and forefinger 3 Return the cartridge to its plastic holder This protects the cartridge and prevents dust from collecting on the surface of the tape Write prote...

Page 52: ... which can typically double and in some cases quadruple tape capacity Data compression and decompression is transparent to the host software The DDS 2 drive uses 120 metre cassettes The drive automatically detects whether cassettes are DDS 2 format or the older DDS format It can read and write both DDS uncompressed and DDS DC compressed data The drive writes compressed data by default unless it fi...

Page 53: ...here are two LED light emitting diode indicators on the drive s front panel The Cassette in Place green and Drive Busy amber LEDs show the status of the drive Green Amber Drive status On Off Cassette inserted On On Cassette inserted tape being read or written Flashing slowly On Off Media warning Flashing rapidly On Drive could not write to tape correctly On Off Flashing rapidly Hardware error or h...

Page 54: ...the tape is automatically ejected As soon as the drive detects that the humidity is at an acceptable level it will return to normal operation Automatic drive operation To prolong the life of the tape and the drive mechanism the drive relaxes during periods of inactivity no read or write operations After 30 seconds the capstan and pinch roller are released and tape tension is removed After 90 secon...

Page 55: ...s memory is written back to tape The drive rewinds to the beginning of the tape unthreads it and ejects the cassette Several seconds may pass between the button being pressed and the cassette being ejected so be careful not to turn off the computer before the operation is completed Write protecting a cassette A cassette can be write protected by sliding the white tab on the cassette so that the re...

Page 56: ...is cassette should be used After the first four hours of tape movement of a new cassette Every 25 operating hours When a media warning status is indicated When you insert the cleaning cassette the drive recognises it as a cleaning cassette runs it for about 20 seconds then ejects it automatically Each time the cleaning cassette is used the tape advances over an unused portion of the tape If the dr...

Page 57: ...omputer The system unit Do not use sprays solvents or abrasives that might damage the system unit surface Do not use cleaning fluids or sprays near air vents ports or removable media drives Occasionally wipe the system unit with a soft slightly damp lint free cloth Occasionally wipe the air vents on the rear and sides of the system unit Dust and fluff can block the vents and limit the airflow Occa...

Page 58: ...d object drops between the keys turn the keyboard upside down and shake it do not probe between the keys as this may cause further damage The mouse Dust and dirt may accumulate in the ball tracking mechanism of the mouse To clean the mouse 1 Unplug the mouse turn it upside down and locate the plastic cover that holds the ball in place Depending on the model the plastic cover can be removed either ...

Page 59: ... cables still attached When lifting and carrying the computer grip the metal underside of the system unit Do not lift the unit by the plastic side trims or the front bezel Never attempt to use the door as a carrying handle Never attempt to lift the system unit with a monitor on top If you need to transport the computer any great distance use the original packing materials If you intend to use the ...

Page 60: ...ply voltage and frequency 115 100 120 volt AC 50 60 Hz 230 220 240 volt AC 50 60 Hz The voltage setting of the monitor must always be the same as the voltage setting of the system unit See the User s Guide that accompanies the monitor or consult your supplier to find out how to change the voltage setting Make sure that the system unit and the monitor are returned to their original voltage settings...

Page 61: ...types of expansion card ISA or Industry Standard Architecture cards PCI or Peripheral Component Interconnect cards You don t need to understand what these terms mean but before adding a card to your computer you will need to know its type and possibly its size Inside your computer are three connectors or slots for fitting expansion cards upper middle and lower see table on next page If your comput...

Page 62: ...ct to a drive in the removable media drive bay it is easiest to install the card in the top slot Slot 2 middle ISA This slot can accommodate a full length ISA card Slot 1 lower ISA In cacheless systems this is a half length slot only half length because the processor gets in the way If a cache module upgrade is fitted see the chapter on Upgrading this reduces the space even further so that only ve...

Page 63: ...y 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 settings used by the other hardware devices in the computer In other words the settings must not conflict The documentation accompanying the card should tell you whether the card supports Plug and Play and if not how to confi...

Page 64: ...e BIOS Setup utility Similarly IRQ4 is available if you disable serial port A Obviously you shouldn t disable either one unless you have no intention of using the affected port The MS LS audio system can be assigned an interrupt other than IRQ 5 if necessary by means of its Windows device driver If you configure the parallel port to Standard mode its interrupt IRQ7 or IRQ 5 can usually be used by ...

Page 65: ...3 Parallel port in Extended Capabilities Port mode DMA4 System DMA5 16 bit audio MS LS models DMA6 DMA7 Base input output I O port address I O ports are used by the processor to communicate with hardware devices Each port appears to the processor as an address low down in its address space Some expansion cards are also controlled by I O ports The base I O port address specifies where the card s po...

Page 66: ...h 250h 25Fh Audio SoundBlaster compatibility alternative 278h 27Fh Parallel port 2 2B0h 2DFh Alternate VGA 2F8h 2FFh Serial port B 300h 301h Audio MIDI 330h 331h Audio MIDI alternative 378h 37Fh Parallel port 1 388h 38Fh Audio 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 contr...

Page 67: ...een C8000h and EFFFFh in upper memory 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 Some cards allow you to specify the amount of memory you want to map but usually this is fixed Note Memory addresses are always written in base 16 or he...

Page 68: ...3 Use the following illustration to locate the expansion card slots 3 2 1 4 1 PCI expansion slot 3 blanking plates 2 ISA expansion slots 4 full length card guides 4 Decide in which of the available slots you wish to install the card In general it is easiest where possible to start with the lowest slot Slot 1 and work upwards 5 Remove the blanking plate of the chosen slot by removing its securing s...

Page 69: ...cable into the motherboard before you install the card otherwise the card may get in the way of the connector Refer to the motherboard layout diagram in Appendix A Inside the System Unit to locate the VESA options jumper block and the video feature connector 8 Position the expansion card alongside the slot in which you wish to install it Align the rear of the card with the slot in the rear of the ...

Page 70: ... the system unit cover Declaring ISA legacy resources If you have just installed an ISA card your first task after turning on the computer is to run the BIOS Setup utility and declare the legacy resources that is the interrupt DMA channel and so on used by the card This is necessary so that any PCI card fitted can be configured automatically and won t try to use the same settings See the chapter o...

Page 71: ...ur supplier or service organization install it for you Before you start installing any upgrade you should be thoroughly familiar with all the relevant instructions Appendix A Inside the System Unit provides an overview of anti static precautions instructions on removing the system unit top cover and information on motherboard jumpers The only tool required to complete the installation of any of th...

Page 72: ...U p g r a d i n g 7 2 APRICOT 340 OWNER S HANDBOOK Inside the system unit 7 3 5 6 1 4 9 11 10 8 2 ...

Page 73: ...8 Mbytes of system memory by the use of single in line memory modules 4 cache memory upgrade socket you can improve the performance of the computer by adding cache memory 5 processor socket you can upgrade the processor by replacing it with one of higher performance 6 5 25 removable media drive bay may be occupied by a removable media drive 7 3 5 hard disk drive HDD bay this bay has room for two o...

Page 74: ...belled MM3 and MM4 form Bank 2 SIMMs must be fitted in identical pairs In other words you cannot have two different SIMMs in the same bank It is best to fill Bank 1 first then Bank 2 The table opposite shows all the supported memory configurations 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...

Page 75: ...y fitted some of the sockets may be occupied Total memory Bank 1 sockets Bank 2 sockets MM1 MM2 MM3 MM4 8 Mb 4 Mb 4 Mb 12 Mb 4 Mb 4 Mb 2 Mb 2 Mb 16 Mb 4 Mb 4 Mb 4 Mb 4 Mb 16 Mb 8 Mb 8 Mb 20 Mb 8 Mb 8 Mb 2 Mb 2 Mb 24 Mb 8 Mb 8 Mb 4 Mb 4 Mb 32 Mb 8 Mb 8 Mb 8 Mb 8 Mb 32 Mb 16 Mb 16 Mb 36 Mb 16 Mb 16 Mb 2 Mb 2 Mb 40 Mb 16 Mb 16 Mb 4 Mb 4 Mb 48 Mb 16 Mb 16 Mb 8 Mb 8 Mb 64 Mb 16 Mb 16 Mb 16 Mb 16 Mb 64 ...

Page 76: ...clips on each side of the socket using your thumbs Place your forefingers on the top edge of the SIMM and tilt the SIMM forward to about 15 o to the vertical 2 Lift the SIMM out of its socket Hold the SIMM by its edges and avoid touching the metal contacts 3 Place the SIMM in anti static packaging To install a SIMM 1 Take the SIMM out of its anti static packaging Hold it by its edges and avoid tou...

Page 77: ...M in position Do not use excessive force If the SIMM will not fit easily remove it and start again 4 Repeat these steps for each SIMM you want to install When you have finished replace the removable media drive tray you removed earlier then replace the system unit cover The first time you turn on the computer after adding or removing SIMMs the power on self test POST detects the change in configur...

Page 78: ... the first 64 Mbytes of RAM can be cached To fit cache memory 1 Turn off the computer and unplug all power cords 2 Take suitable anti static precautions and remove the system unit cover If you are unfamiliar with the recommended anti static precautions or the process of removing the system unit cover refer to Appendix A Inside the System Unit 3 Remove any expansion cards that could restrict access...

Page 79: ...rlier 7 Replace the system unit cover The first time you turn on the computer after adding a cache the power on self test POST detects the change in configuration All you have to do is confirm the new configuration in the BIOS Setup utility see the chapter on Using the BIOS Setup Utility for more information ...

Page 80: ...re any expansion cards fitted you will have to remove them disconnect any cables connected to the cards remove the screws that secure the cards to the rear of the system unit then remove the cards from the system unit 4 Use the illustration at the beginning of this chapter to identify the two video memory upgrade sockets 5 Unpack the upgrade kit and lay the memory chips out on an anti static surfa...

Page 81: ...1 7 If necessary replace the expansion cards you removed earlier 8 Replace the system unit cover You can now reconfigure your operating system to use the expanded capabilities of the video controller See your operating system documentation for details ...

Page 82: ... System Unit 3 Remove any expansion cards that could restrict access to the processor socket disconnect any cables connected to the cards remove the screws that secure the cards to the rear of the system unit then remove the cards from the system unit 4 If the computer was turned on prior to commencing this procedure wait for at least 15 minutes for the processor to cool down before proceeding War...

Page 83: ...t of the socket and place it on an anti static surface outside the system unit Avoid touching the metal pins of the processor Caution If the processor does not lift easily out of the socket do not attempt to force it Wait for the processor to cool down Removing the heat sink 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 cur...

Page 84: ... 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 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 of the processor is slightly bevelled and has a positioning guide...

Page 85: ...t of the processor Refit the clip that secures the heat sink to the processor 1 2 1 positioning guide 2 keyed corner 6 You will need to adjust the processor speed selection jumpers on the motherboard See Appendix A Inside the System Unit for more information about locating and adjusting motherboard jumper settings 7 If necessary replace the expansion cards you removed earlier 8 Replace the system ...

Page 86: ... of the drive The jumpers should be pre configured to either Soft Select or Drive Select 1 DS1 ATA PI CD ROM drive The ATA PI CD ROM drive should be configured as the master drive for connection to the motherboard s ATA PI CD ROM interface SCSI QIC tape or DDS 2 tape drive Every SCSI drive must be assigned an identity on the SCSI bus known as its SCSI ID All removable media SCSI drives should be p...

Page 87: ...tem unit 4 Open the drive bay door The drive bay aperture is initially obscured by a blanking plate attached to the top of the metalwork The blanking plate must be broken out in order to install a drive in the bay 5 Break out the blanking plate by bending it backwards and forwards several times 6 Remove the new drive from its packaging and ensure that it is correctly configured ...

Page 88: ...drive tray over the drive Make sure that the tray and the drive are the same way round Align the holes in the underside of the drive with those in the base of the drive tray COMPACT 8 Insert the four drive securing screws and tighten them until they are finger tight 9 Turn the drive tray over and replace it in the system unit Slide the tray forwards until the two holes in the tray line up with tho...

Page 89: ...le s Use the table on the next page as a guide See the documentation provided with the upgrade kit for more information Before connecting any signal cable to the motherboard check the label on the inside of the system unit cover to make sure that you are using the correct connector Failure to do so may damage the drive or the motherboard or both 12 Replace the system unit cover ...

Page 90: ...tor on the motherboard usually marked FLOPPY ATA PI CD ROM drive The drive is supplied with two cables a ribbon signal cable which connects to the motherboard s secondary ATA IDE interface usually marked CDROM and a CD audio cable which connects to the motherboard in an MS or LS system SCSI QIC tape or DDS 2 tape drive SCSI upgrade kits from authorized suppliers include a suitable ribbon signal ca...

Page 91: ...ive to drive Most drives are supplied with documentation describing how to configure the drive If you are uncertain about configuring the drive consult your supplier Installing the drive To install the hard disk drive 1 Turn off the computer and unplug all power cords 2 If there is a diskette in the diskette drive remove it 3 Take suitable anti static precautions and remove the system unit cover I...

Page 92: ...bay is secured by two screws and held by two lugs in the base of the system unit Identify the screws and lugs from the following illustration int l e OVER D R I V E 9 Remove the screws Slide the drive bay backwards and lift it out of the system unit Turn the drive bay upside down and rest it on a flat surface with the front of the diskette drive towards you 10 Ensure that the drive you are adding ...

Page 93: ...ng a hard disk drive in a system that previously had only a diskette drive there will be two sets of mounting holes available in the bay Install the new hard disk drive in the position closest to the diskette drive Caution Use only the mounting screws supplied with the drive If you use any other screws you risk damaging the drive If there is a drive in the bay already try to ensure that the new dr...

Page 94: ...lide the tray forwards until the two holes in the tray line up with those in the hard drive assembly and the system unit brace Replace the two screws which secure the drive tray 18 If there is a removable media drive fitted in the tray reconnect its power and signal cables 19 Replace the system unit cover Partitioning and formatting the drive The first time you turn on the computer after fitting t...

Page 95: ...ith MS DOS Windows you use the MS DOS Fdisk program to partition the disk followed by the MS DOS Format command to format the partitions Use the MS DOS Help command to find out more about Fdisk and Format See your MS DOS Windows documentation for instructions on using MS DOS Help Caution When you run Fdisk it assumes that you want to work with the first or master drive it says the Current fixed di...

Page 96: ...use In the United Kingdom and some other countries AC plugs contain fuses If the fuse in the system unit s AC plug blows when you turn on the computer this may be caused by an AC power surge but is more often a symptom of problems with the computer or its peripherals Follow these steps 1 Turn off the computer and unplug all power cords 2 Unplug all peripherals 3 Try to discover the cause of the fa...

Page 97: ... fault one or more POST error codes and messages are displayed see table opposite You may also be prompted to Press the F1 key to continue or Press any key when ready The computer may be able to continue despite the error indication for example if a memory chip fails POST the computer can continue with less memory Your first action should be to turn off the computer wait at least 30 seconds and th...

Page 98: ... 163 Time 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 IRQs 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 checks...

Page 99: ...ted or defective Replace it with a system diskette and press F1 No boot sector on fixed disk The hard disk has no active bootable partition or is not formatted Insert a system diskette press F1 and format the hard disk as described in your operating system manuals Fixed disk read failure The hard disk may be defective Press F1 to retry Make sure that the drive is correctly specified with the BIOS ...

Page 100: ...ble is connected to the port 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...

Page 101: ...t it is inserted correctly that it has been correctly formatted that it is not write protected and that the permissions assigned by the operating system allow the intended access Hard disk drives If you have problems accessing a hard disk drive use the BIOS Setup utility to check that the drive is correctly specified and that the drive s controller is enabled Check also that the disk has been corr...

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

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

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

Page 105: ...I n s i d e t h e S y s t e m U n i t A 4 APRICOT 340 OWNER S HANDBOOK Motherboard layout 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 13 12 4 19 ...

Page 106: ...l ports 4 FDD ribbon cable connector 15 Video VESA feature connector 5 CD ribbon cable connector 16 Video memory upgrade sockets 6 HDD ribbon cable connector 17 CMOS lithium battery 7 Wavetable connector 18 Cache memory socket 8 Voice modem audio connector 19 System connectors see overleaf 9 TV audio connector 20 Processor ZIFF socket 10 CD audio connector 21 VRM socket optional 11 Rear panel audi...

Page 107: ...b these connections but if they become loose you may need to re attach them The following table shows how these connectors are used in an Apricot 340 computer Connector Pins Function PL24 3 4 HDD activity LED 5 to 13 Unused PL28 1 to 7 Unused 8 to 10 System fan slow mode 11 to 13 System fan full speed mode 14 17 Mono speaker VS models PL2 1 2 Left stereo speaker MS LS models 5 6 Right stereo speak...

Page 108: ...e system processor the motherboard or both There are only a few jumpers on the motherboard that you may need to alter All others are set at the factory and should not be changed In this section 1 2 means the jumper should be fitted across pins 1 and 2 2 3 means the jumper should be fitted across pins 2 and 3 and so on Open means that no jumper should be fitted Closed means that all jumpers should ...

Page 109: ...0 Pentium 100 MHz 1 2 9 10 Pentium 120 MHz 3 4 5 6 9 10 Pentium 133 MHz 1 2 5 6 9 10 Pentium 150 MHz 3 4 5 6 7 8 9 10 Pentium 166 MHz 1 2 5 6 7 8 9 10 Disabling the on board video controller You may need to disable the motherboard EVGA video controller and video BIOS if you add a video adapter expansion card check the documentation that came with the card to make sure You do this by removing the j...

Page 110: ...rade and recovery These jumpers should not normally be changed except by a service engineer or at the direction of a service engineer However you may need to enable BIOS reprogramming to use the optional LOC Technology system in an Apricot LS340 system Clearing CMOS PL21 CMOS battery connected default 1 2 CMOS battery disconnected 2 3 BIOS image selection PL5 Boot using normal BIOS default 1 2 Boo...

Page 111: ... off If you find that you have to reconfigure the computer every time you turn it on the battery is probably failing and needs to be replaced The battery is a 3 volt lithium type CR2032 or equivalent typically used in calculators and other small battery powered electronic items To replace the battery 1 Turn off the computer and unplug all power cords 2 Take suitable anti static precautions and rem...

Page 112: ...t battery is identical to the battery you have removed 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 the holder 8 Replace the system unit cover 9 Dispose of the discharged battery in accordance with the manufacturer s instructions The next time you turn on the computer you will have to run the...

Page 113: ...Flash programmable Memory Four 32 bit 70 ns 5 volt SIMMs 128 Mb maximum EDO support no parity Cache optional 256 Kbyte SIMM asynchronous write back and pipeline burst Video Chipset Cirrus Logic CL GD543x PCI local bus Video RAM 1 or 2 Mb DRAM CL GD5434 1 or 2 Mb EDO DRAM CL GD5436 Resolutions EVGA 1280 x 1024 1024 x 768 SVGA 800 x 600 VGA 640 x 480 Audio optional Type SoundBlaster Vibra 16 Yamaha ...

Page 114: ...type IEEE 1284 EPP ECP compatible Keyboard 102 key AT compatible Mouse PS 2 compatible two button Diskette Capacity 1 44 Mbytes Access time 94 ms average HDD CD ROM interfaces Dual AT Attachment Enhanced IDE PCI local bus HDD drive bay Capacity One 1 6 drive or Two 1 drives Form factor 3 5 Removable media drive bay Form factor Half height 5 25 ...

Page 115: ...mm Transfer rate Sustained 600 Kbyte s Mode 1 682 Kbytes Mode 2 Burst 5 22 Mbyte s maximum Access time Full stroke 400 ms typical Average random 190 ms typical Audio output CD audio 0 75 0 15 Vrms 47 kOhm Headphones 0 55 0 1 0 15 Vrms 32 Ohm Host interface ATA PI Power specification Voltage 5 V dc 5 12 V dc 10 Ripple 5 V 100 mVp p 12 V 200 mVp p Current maximum 5 V 1 0 A seeking continuous read 12...

Page 116: ...0 Gbyte 2 1 typical 8 0 Gbyte 4 1 max 1 120 metre cassette DDS 2 4 0 Gbyte 1 1 base 8 0 Gbyte 2 1 typical 16 0 Gbyte 4 1 max 1 Transfer rates DDS 366 Kbyte s 1 1 base 732 Kbyte s 2 1 typical 1464 Kbyte s 4 1 max 1 DDS 2 400 Kbyte s 1 1 base 800 Kbyte s 2 1 typical 1608 Kbyte s 4 1 max 1 Unrecoverable errors Less than 1 in 10 15 data bits Recording format ANSI ECMA DDS DC DDS 2 Power specification ...

Page 117: ...750 ft 430 6 Mbytes without ECC 390 2 Mbytes with ECC QIC 80 Wide 400 ft 230 Mbytes without ECC 208 5 Mbytes with ECC QIC 80 long length 307 5 ft 137 7 Mbytes without ECC 124 7 Mbytes with ECC Power specification Voltage 5 V dc 5 12 V dc 10 Current idle 5 V 200 mA nominal 250 mA max 12 V 30 mA nominal 200 mA max Current operational 5 V 500 mA nominal 700 mA max 12 V 0 67 mA nominal 1 2 A max Curre...

Page 118: ...is more tolerant of environmental factors Range Temperature Relative humidity with no condensation Operational 10 to 35 C 20 to 80 Storage Transport 0 to 55 C 20 to 80 Electrical characteristics Voltage range The PSU voltage range is initially set to that appropriate for the county in which the computer is first sold Setting AC Voltage Frequency 115 V 100 to 120 V 50 to 60 Hz 230 V 220 to 240 V 50...

Page 119: ...hich it is first sold If you wish to use the computer in another country you must ensure that you use a power cord which complies with the safety standards of that country PSU current ratings PSU AC power inlet 4 5 A at 100 120 V 3 0 A at 220 240 V PSU AC power outlet 1 5 A at 100 120 V 1 0 A at 220 240 V Connect only manufacturer approved monitors to the power supply unit s AC power outlet ...

Page 120: ...OOK Port characteristics Serial ports 9 way male D type COM1 COM2 5 1 6 9 10101 Pin I O Function 1 I Data carrier detect 2 I Receive data 3 O Transmit data 4 O Data terminal ready 5 Signal ground 6 I Data set ready 7 O Request to send 8 I Clear to send 9 I Ring indicate ...

Page 121: ...on Pin I O Function 1 I O STROBE 14 O AUTO FEED 2 I O Data bit 0 15 I ERROR 3 I O Data bit 1 16 O INIT 4 I O Data bit 2 17 O SLCT IN 5 I O Data bit 3 18 Ground 6 I O Data bit 4 19 Ground 7 I O Data bit 5 20 Ground 8 I O Data bit 6 21 Ground 9 I O Data bit 7 22 Ground 10 I ACK 23 Ground 11 I BUSY 24 Ground 12 I PE 25 Ground 13 I SLCT ...

Page 122: ...4 Reserved No pin No pin 5 Digital G Self test Self test 6 Red Rtn Key pin Red Rtn 7 Green Rtn Mono Rtn Green Rtn 8 Blue Rtn No pin Blue Rtn 9 Plug No pin No pin 10 Digital G Digital G Digital G 11 Reserved No pin Digital G 12 Reserved Digital G No pin 13 O Hsync Hsync Hsync 14 O Vsync Vsync Vsync 15 Reserved No pin No pin Red Rtn Green Rtn Blue Rtn Analog grounds Digital G Digital ground for sync...

Page 123: ...iniature DIN connectors The voltages and signals are the same for both connectors 6 4 2 1 3 5 5 3 1 2 4 6 Pin I O Function 1 I O Data 2 Reserved 3 Ground 4 5 Vdc 5 I O Clock 6 Reserved Although the keyboard and mouse ports are physically and electrically compatible neither the keyboard nor the mouse will operate if plugged into the other s socket ...

Page 124: ...and LS340 models Pin I O Function 1 5 V dc 2 I GP4 Joystick A right button 3 I GP0 Joystick A x coordinate 4 Ground 5 Ground 6 I GP1 Joystick A y coordinate 7 I GP5 Joystick A left button 8 5 V dc 9 5 V dc 10 I GP6 Joystick B right button 11 I GP2 Joystick B x coordinate 12 O MIDI Out 13 I GP3 Joystick B y coordinate 14 I GP7 Joystick B left button 15 I MIDI In ...

Page 125: ...rd cable may be used to connect the feature connector to an expansion card In case you have difficulty obtaining a cable the pinout of the motherboard connector is given in the following table Pin Function Pin Function 1 Ground 2 P0 3 Ground 4 P1 5 Ground 6 P2 7 EVIDEO 8 P3 9 ESYNC 10 P4 11 EDCLK 12 P5 13 No connect 14 P6 15 Ground 16 P7 17 Ground 18 DCLK 19 Ground 20 BLNK 21 Ground 22 HSYNC 23 Gr...

Page 126: ...AM 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 MITSUBISHI ELECTRIC ...

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