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Mitsubishi Electric Apricot LS 550 Owner's Handbook Manual

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LS/VS 550
Owner's Handbook
NATIONAL
ACCREDITATION
OF CERTIFICATION
BODIES

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Summary of Contents for Mitsubishi Electric Apricot LS 550

  • Page 1 LS/VS 550 Owner’s Handbook NATIONAL ACCREDITATION OF CERTIFICATION BODIES...
  • Page 3 Intel and Pentium ® are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows ® 95 and Windows ® 3.11 are registered trademarks of Microsoft Corporation in the US and other countries. Other trademarks mentioned within this document and not listed above are the properties of their respective owners.
  • Page 4 S a f e t y a n d r e g u l a t o r y n o t i c e s...
  • Page 5 S a f e t y a n d r e g u l a t o r y n o t i c e s...
  • Page 6 S a f e t y a n d r e g u l a t o r y n o t i c e s 125V 250V 250V ♦ ♦ ♦ ♦ ◊...
  • Page 7 S a f e t y a n d r e g u l a t o r y n o t i c e s...
  • Page 8 LS/VS 550 OWNER’S HANDBOOK...
  • Page 9 LS/VS 550 OWNER’S HANDBOOK...

  • Page 10: Introducing Your Computer

    I n t r o d u c i n g y o u r c o m p u t e r INTRODUCING YOUR COMPUTER This chapter gives you a quick tour of your Apricot computer. It details the energy-efficient features of the computer and contains pictorial guides to help you identify the various parts of the machine.
  • Page 11 I n t r o d u c i n g y o u r c o m p u t e r 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.

  • Page 12: Pictorial Guides

    I n t r o d u c i n g y o u r c o m p u t e r Pictorial Guides Front View COMP ACT Power button: press to turn on or off. Standby button: pressing this button switches the system between normal working mode and its Standby mode.
  • Page 13 I n t r o d u c i n g y o u r c o m p u t e r Rear View 101 01 Casing screws: unfasten these to remove the top cover. AC power outlet: where the monitor power cord plugs in. Voltage selection switch: the system unit can be set to operate with a 100-120 V or 220-240 V AC power supply.
  • Page 14 G e t t i n g S t a r t e d ♦ ♦ ♦ ♦ LS/VS 550 OWNER’S HANDBOOK...
  • Page 15 G e t t i n g S t a r t e d LS/VS 550 OWNER’S HANDBOOK...
  • Page 16 G e t t i n g S t a r t e d LS/VS 550 OWNER’S HANDBOOK...
  • Page 17 G e t t i n g S t a r t e d LS/VS 550 OWNER’S HANDBOOK...
  • Page 18 G e t t i n g S t a r t e d LS/VS 550 OWNER’S HANDBOOK...
  • Page 19 G e t t i n g S t a r t e d ♦ ♦ ♦ ♦ ♦ LS/VS 550 OWNER’S HANDBOOK...
  • Page 20 U s i n g y o u r c o m p u t e r LS/VS 550 OWNER’S HANDBOOK...
  • Page 21 U s i n g y o u r c o m p u t e r LS/VS 550 OWNER’S HANDBOOK...
  • Page 22 U s i n g y o u r c o m p u t e r LS/VS 550 OWNER’S HANDBOOK...
  • Page 23 U s i n g y o u r c o m p u t e r COM PAC LS/VS 550 OWNER’S HANDBOOK...
  • Page 24 U s i n g y o u r c o m p u t e r COM PAC LS/VS 550 OWNER’S HANDBOOK...
  • Page 25 U s i n g y o u r c o m p u t e r COM PAC COM PAC PD /C D BU LS/VS 550 OWNER’S HANDBOOK...
  • Page 26 U s i n g y o u r c o m p u t e r PD /C D BU LS/VS 550 OWNER’S HANDBOOK...
  • Page 27 U s i n g y o u r c o m p u t e r LS/VS 550 OWNER’S HANDBOOK...
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  • Page 37 U s i n g y o u r c o m p u t e r • • 3/18 LS/VS 550 OWNER’S HANDBOOK...
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  • Page 41 U s i n g y o u r c o m p u t e r ♦ TYPE README.1ST | MORE MORE README.1ST 3/22 LS/VS 550 OWNER’S HANDBOOK...
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  • Page 46: Expansion Cards

    E x p a n s i o n C a r d s EXPANSION CARDS This chapter contains instructions on installing expansion cards in your computer. It is important that you read this chapter before purchasing a card. If, having read the installation instructions, you do not feel confident about installing the upgrade yourself you may wish your supplier or service organisation to fit the card for you.

  • Page 47: Configuring The Card

    E x p a n s i o n C a r d s These can be arranged into the internal riser card generally as shown in this rear view (the blanking plates have been removed for clarity). 1/2 ISA 1/2 PCI 1/2 ISA AUDIO REAR CONNECTIONS...
  • Page 48 E x p a n s i o n C a r d s Some settings are done by jumpers and/or switches on the card and are best done before installation, others are configured by running installation software after installation. Some cards use a mixture of both methods.
  • Page 49 E x p a n s i o n C a r d s Default assignment Available? IRQ9 IRQ10 IRQ11 IRQ12 Mouse IRQ13 Coprocessor IRQ14 Primary ATA/IDE interface IRQ15 Secondary ATA/IDE interface Note Note If you disable the interrupt which has been assigned to serial port 2 you will disable the IR sensor used for the optional infra-red remote control.
  • Page 50 E x p a n s i o n C a r d s Default assignment Available? DMA3 Enhanced Capabilities Port (default) Optionally DMA4 System DMA5 16-bit Audio Optionally DMA6 DMA7 Base input/output (I/O) port address I/O ports are used by the processor to communicate with hardware devices.
  • Page 51 E x p a n s i o n C a r d s I/O ports Default assignment 240h-24Fh, 250h-253Fh Alternate Sound blaster system 278h-27Fh Parallel port 2 2B0h-2DFh Alternate VGA 2F8h-2FFh Serial port 2 300h-301Fh Alternate MIDI (disable) 330h-331Fh MIDI 378h-37Fh Parallel port 1...

  • Page 52: Installing The Card

    E x p a n s i o n C a r d s Note Memory addresses are always written in base 16 (hexadecimal notation). Hexadecimal uses sixteen digits (0-9 and A-F, where A=10, B=11 and so on up to F=15). Hexadecimal numbers are denoted either by the suffix “h”...
  • Page 53 E x p a n s i o n C a r d s Note Note If you are unfamiliar with the recommended anti-static precautions and/or the process of removing the system unit cover, refer to Appendix A, “Inside the System Unit”. 3.
  • Page 54 E x p a n s i o n C a r d s 9. Secure the card by replacing all the screws/clamps that you removed in Step 5. 10. Connect any necessary signal cables to the card. If the card that you are installing makes use of the ATI Multimedia Channel (AMC) connector then you need to connect the ribbon cable to the AMC/VFC connector on the motherboard.

  • Page 55: System Upgrades

    S y s t e m U p g r a d e s SYSTEM UPGRADES This chapter contains instructions on installing upgrades or add-ons in the computer (with the exception of expansion cards which were dealt with in the previous chapter). Read this chapter before purchasing any upgrade.
  • Page 56 S y s t e m U p g r a d e s Inside the system unit The illustration below identifies the major components inside the system unit that are affected by the installation instructions in this chapter. Video memory upgrade sockets. Processor speed selection jumpers.

  • Page 57: Adding More System Memory

    S y s t e m U p g r a d e s Adding more system memory The computer’s motherboard is fitted with sockets for up to four SIMMs (single in-line memory modules). You may need to add more memory if you want to run complex operating systems or large application programs.
  • Page 58 S y s t e m U p g r a d e s Total Memory Bank 1 sockets Bank 2 sockets 8 Mb 4 Mb 4 Mb 12 Mb 4 Mb 4 Mb 2 Mb 2 Mb 16 Mb 4 Mb 4 Mb 4 Mb...
  • Page 59 S y s t e m U p g r a d e s 3. Place the SIMM in a suitable anti-static packaging. 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.

  • Page 60: Adding More Video Memory

    S y s t e m U p g r a d e s configuration in the BIOS Setup utility (refer to Appendix B, “System BIOS and Setup” for more information). If an error message occurs check that you have: 1.
  • Page 61 S y s t e m U p g r a d e s 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.

  • Page 62: Adding A Second Hard Disk Drive

    S y s t e m U p g r a d e s Adding a second hard disk drive Your computer system can support two 3.5” hard disk drives. Such dual drives are known as master and slave. A single drive, or the boot device in a dual drive system must be configured as master.

  • Page 63: Upgrading The Processor

    S y s t e m U p g r a d e s 7. You then need to remove the CD-ROM drive bay from the system unit as the hard disk is fitted in a drive bay under the CD-ROM drive.
  • Page 64 S y s t e m U p g r a d e s Intel Pentium OverDrive When installing an Intel Pentium processor, you must ensure that there is sufficient air space around it. If you do not leave enough air space, the processor may overheat.
  • Page 65 S y s t e m U p g r a d e s 3. If the computer was turned on prior to commencing this procedure, wait at least 15 minutes for the processor to cool down before proceeding. Warning Warning The processor can get very hot.
  • Page 66 S y s t e m U p g r a d e s Caution 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. Fitting the new processor To fit the upgrade processor 1.
  • Page 67 S y s t e m U p g r a d e s 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.
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  • Page 76: Inside The System Unit

    I n s i d e t h e S y s t e m U n i t INSIDE THE SYSTEM UNIT This appendix provides instructions regarding access to the inside of your computer system for the purposes of maintaining or upgrading the system.

  • Page 77: Opening The System Unit

    I n s i d e t h e S y s t e m U n i t an earthed wrist strap and anti-static clothing. It is also a good idea to use an ionizer or humidifier to remove static from the air. When installing any upgrade, be sure you understand what the installation procedure involves before you start.

  • Page 78: Board Layout

    I n s i d e t h e S y s t e m U n i t Board layout Parallel Com 2 Com 1 Video (optional) Mouse Key/Bd SIMMs sockets 3 and 4 11 Radio card connector SIMMs sockets 1 and 2 12 TV audio connector Front panel connectors 13 CD audio connector...

  • Page 79: Changing The Jumper Settings

    I n s i d e t h e S y s t e m U n i t Changing the Jumper settings PL100 PL22 PL32 PL37 PL36 PL11 PL10 PL3, PL4, PL6, & PL7 Caution Caution Do not alter any jumper or switch settings other than those identified here, unless told to by your supplier or an authorized maintainer.
  • Page 80 I n s i d e t h e S y s t e m U n i t BIOS upgrade and recovery These jumpers should not normally be changed except by a service engineer or at the direction of a service engineer. Clearing CMOS CMOS battery connected (default) CMOS battery disconnected...

  • Page 81: System Connectors

    I n s i d e t h e S y s t e m U n i t Warning Warning Do not alter these links under normal circumstances as it could lead to the destruction of the processor and/or other vital components on the board.

  • Page 82: Replacing The Cmos Battery

    I n s i d e t h e S y s t e m U n i t Replacing the CMOS battery The battery has an average life of 3-5 years. If you have to reconfigure the computer every time you turn it on, the battery has discharged and needs replacing.
  • Page 83 I n s i d e t h e S y s t e m U n i t 11. Dispose of the old battery according to the maker’s instructions. When you turn on the computer you will have to run the BIOS Setup utility to re-enter the hardware configuration.

  • Page 84: System Bios And Setup

    S y s t e m B I O S a n d S e t u p SYSTEM BIOS AND SETUP BIOS (pronounced “bye-oss”) stands for basic input/output system. The BIOS operates at the boundary between the computer’s hardware (the processor, memory and so on) and its software (the operating system and your program), and effectively mediates between the two.

  • Page 85: Entering Setup

    S y s t e m B I O S a n d S e t u p Entering Setup While the Mitsubishi Electric diamonds are displayed on the screen, you can press the F1 key to start the BIOS Setup utility.

  • Page 86: Control Keys

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

  • Page 87: Main Menu Screen

    S y s t e m B I O S a n d S e t u p Main menu screen When you start BIOS Setup a main menu screen appears with the following options: • • System summary • • Product Data •...

  • Page 88: System Summary

    S y s t e m B I O S a n d S e t u p System Summary This page cannot be edited, but gives a summary of the system main settings. Changes made in other pages will be reflected here. Make a note of the information on this page before you progress any further or make any changes.
  • Page 89 S y s t e m B I O S a n d S e t u p Any parallel port devices that you may wish to attach, such as a tape streamer or external hard drive etc., should have full instructions supplied with them that will tell you if the port capabilities need to be altered to one of the extended options above.

  • Page 90: Date And Time

    S y s t e m B I O S a n d S e t u p interface, and the CD-ROM drive connected to the secondary interface. IDE Translation Mode Select Extended CHS (cylinder, head, sector) to enable the scheme that allows the BIOS to access hard disk drives of greater than 504 Mbytes capacity.

  • Page 91: System Security

    S y s t e m B I O S a n d S e t u p Once the correct date is set you should not need to set it again. The computer accounts for leap years automatically. System security This is to allow you to set, change or delete passwords for either general or administrator use.
  • Page 92 S y s t e m B I O S a n d S e t u p If the Password Prompt option is set to “Off”, the user is not prompted at all. The computer will boot (or if F1 is pressed during start-up the BIOS Setup utility will start) and then wait for the user to type the password and press ENTER.

  • Page 93: Start Options

    S y s t e m B I O S a n d S e t u p 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.

  • Page 94: Advanced Setup

    S y s t e m B I O S a n d S e t u p operating system on the First 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.

  • Page 95: Plug And Play

    S y s t e m B I O S a n d S e t u p ROM Shadowing To shadow ROM means to copy its contents into the computer’s system or random-access memory (RAM). This is beneficial for two reasons: ROM has (relatively) long access times and the processor can access RAM faster than ROM;...

  • Page 96: Error Log

    S y s t e m B I O S a n d S e t u p which do not support Plug and Play will require the system resources to be registered. There is a separate option for each resource; memory, I/O ports, DMA channels and interrupts.
  • Page 97 S y s t e m B I O S a n d S e t u p The Apricot Power Management Time till power saving The system will enter low power standby mode after the specified period of mouse/ keyboard inactivity. If “Disabled” then the system will only enter power saving mode if the standby button on the front the machine is pressed.

  • Page 98: Error Messages

    S y s t e m B I O S a n d S e t u p Error Messages If you get an error which is not listed or the problem persists, call your supplier or authorised maintainer. Code Cause Code Cause Keyboard locked...
  • Page 99 T e c h n i c a l I n f o r m a t i o n LS/VS 550 OWNER’S HANDBOOK...
  • Page 100 T e c h n i c a l I n f o r m a t i o n LS/VS 550 OWNER’S HANDBOOK...
  • Page 101 F a l l - b a c k P a s s w o r d...
  • Page 102 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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