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Mitsubishi Electric Pedion Laptop Owner's Handbook Manual

Mitsumi electronics laptop owner's handbook.
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Pedion
Owner's Handbook

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Table of Contents

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  • Page 1 Pedion Owner's Handbook...
  • Page 2 QUICK START GUIDE MITSUBISHI PEDION QUICK START GUIDE This Quick Start Guide gives you the minimum amount of information needed to start working with your new Pedion. More detailed in formation is provided in the Owner’s Handbook (the second part of this book). Throughout this book “Windows”...
  • Page 3: Connecting To The Ac Power Supply

    QUICK START GUIDE Connecting to the AC power supply Begin by connecting the Pedion to the AC power supply. This is necessary becuase the Pedion's internal battery is initially uncharged. Connect the AC adapter to the DC-IN connector on the rear of the Pedion. Connect the power cord to the AC adapter, and plug the power cord into a nearby AC outlet.
  • Page 4 Charging the internal battery The Pedion's internal battery begins to charge as soon as you connect the Pedion to the AC power supply. We recommend that you let the battery fully charge before using the Pedion for the first time. This should take about 3 hours.
  • Page 5 QUICK START GUIDE Attaching the Multimedia Pack Once the Pedion’s battery has been fully charged, you can connect the Multimedia Pack. Ensure the Pedion is turned off. Close the LCD panel and turn the Pedion over. Slide open the battery and multimedia connector covers on the underside of the Pedion.
  • Page 6 Starting the Pedion QUICK START GUIDE To start the Pedion Slide the latches on the sides of the Pedion forward to release the LCD panel, then open it. Adjsut the angle of the LCD panel until you can view the display comfortably. Press the Power button.
  • Page 7 QUICK START GUIDE Using the touchpad The touchpad consists of a touch-sensitive tablet and two buttons, which together perform the same function as a mouse. The left and right touchpad buttons correspond to left and right mouse buttons. For more information, see the chapter on “Touchpad and Keyboard”...
  • Page 8 Registering and configuring Windows Registering Windows Your computer has the Microsoft Windows operating system already in place or pre-installed, so that it is ready for you to set up when you turn the computer on. The first time you start the Pedion you must tell Windows your name (and the name of the company for which you work, if applicable) and agree to the legal terms and conditions of the Windows Licence Agreement.
  • Page 9 QUICK START GUIDE Conserving battery power Tips on conserving battery power Whenever possible, work with the AC adaptor connected and plugged in to the supply. That way, the Pedion’s internal battery recharges while you work. To pause briefly when working, close the LCD panel.
  • Page 10 Shutting down the Pedion Normal shutdown To shut down the Pedion safely: Wait until all the activity indicators on the Pedion and Multimedia Pack show ‘not busy’. Remove any diskettes and CDs from the Multimedia Pack. Turn off any attached peripherals. Click the Start button in the Windows task bar, then click Shutdown.
  • Page 11 QUICK START GUIDE Where to get more information There are various help files available on the computer. In particular, you should use Windows Help, which can be accessed from the Start menu, to help with Windows-related problems. We also recommend that you double-click the Important Apricot User Information icon on the Windows desktop for late- breaking information relating to your computer.
  • Page 12 MITSUBISHI PEDION OWNER’S HANDBOOK...
  • Page 13 Intel , Pentium and Pentium II are registered trademarks, and MMX™ is a trademark, of Intel Corporation. Pedion™ is a trademark of Mitsubishi Electric Corporation. IrDA is a registered trademark of the Infrared Data Association. Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft Corporation in the US and other countries.
  • Page 14 SAFETY AND REGULATORY NOTICES General Electrical safety The system uses a safety ground and must be earthed. The AC adapter and power cord is a ‘disconnect device’. Ensure that the AC adapter is positioned close to the AC power outlet and that the plug is easily accessible.
  • Page 15 OWNER’S HANDBOOK Laser and LED products Any CD-ROM drive used in this system is classified as a CLASS 1 LASER PRODUCT according to IEC825 Radiation Safety of Laser Products (Equipment Classification: Requirements and User's Guide). The CLASS 1 LASER PRODUCT label is located on the underside of the CD-ROM unit.
  • Page 16 When positioning the system, take into account any local or national regulations relating to ergonomic requirements. Anti-static precautions Warning Static electricity can cause permanent damage to electronic components. You should be aware of this risk, and take precautions against the discharge of static electricity into the computer.
  • Page 17 OWNER’S HANDBOOK Standards Safety This product complies with the European safety standard EN60950 which will, when applicable, include the national deviations for the country in which it is sold. Electro-magnetic Compatibility (EMC) This product complies with the following European EMC standards: Emissions Immunity Notes...
  • Page 18: Power Connection

    Power Connection Typical AC plugs 250V BS1363A U. K. Checking the AC power supply When this product is delivered, it is ready for the commercial AC power supply generally available in the country in which it is first sold. It is supplied with an AC power cord and plug which comply with the relevant safety standards.
  • Page 19 OWNER’S HANDBOOK Connecting to the AC power supply Important Any peripheral equipment that requires an AC power cord must be earthed. Use the following guidance to connect the components together. It is important that you take each step in the order indicated. Before connecting any components, ensure that the AC power supply is switched off or disconnected, and that the computer, and any...
  • Page 20: Table Of Contents

    CONTENTS 1 Welcome Pictorial guide to the Pedion... 1/2 Pictorial guide to the Multimedia Pack ... 1/5 Backing up the pre-installed software... 1/8 General advice... 1/9 2 Touchpad and Keyboard Using the touchpad ... 2/1 Using the keyboard... 2/3 3 Diskette, CD-ROM and Audio Using the diskette (floppy disk) drive...
  • Page 21 OWNER’S HANDBOOK 6 BIOS Setup Using the Setup utility..6/1 The most useful options within Setup... 6/5 7 Troubleshooting Pedion... 7/2 Diskette drive (FDD) ... 7/2 Hard disk drive (HDD)... 7/3 CD-ROM ... 7/3 Internal battery or Battery Pack ... 7/4 LCD panel ...
  • Page 22: Welcome

    WELCOME This first chapter gives you a quick tour of your new Mitsubishi Pedion mobile computer. It lists the special features of the computer and has pictorial guides to help you identify the various parts. If you want to get started working with your Pedion straight away, follow the instructions given in the Quick Start Guide at the front of this manual.
  • Page 23: Pictorial Guide To The Pedion

    OWNER’S HANDBOOK Pictorial guide to the Pedion 1 / 2 W e l c o m e...
  • Page 24 LCD panel Num Lock light Caps Lock light Scroll Lock light PC Card Slot 0 (CardBus/Zoomed Video) PC Card Slot 1 (CardBus) Emergency OFF hole (if the Pedion stalls, insert a non-metallic probe such as a pencil tip) Power button Power Status light Battery Status light Hard disk activity light...
  • Page 25 OWNER’S HANDBOOK 1 / 4 W e l c o m e DC-IN connector (for AC adapter) Security notch (for attaching an anti-theft chain) Infrared communication port USB port (behind protective rubber cover) Audio output jack (stereo) Battery connector (cover closed) Multimedia connector (cover closed)
  • Page 26: Pictorial Guide To The Multimedia Pack

    Pictorial guide to the Multimedia Pack By attaching the Multimedia Pack to your Pedion, you can use diskettes and CD-ROMs, and connect various peripheral devices. OWNER’S HANDBOOK Caution Do not open the battery connector cover on the underside of the Pedion unless you intend to install either the Multimedia Pack (or the Battery Pack) straight away.
  • Page 27 OWNER’S HANDBOOK 1 / 6 W e l c o m e Stereo speaker (left) Line/microphone input jack Audio output jack (stereo) Diskette (floppy disk) drive Diskette eject button Pedion release lever CD tray CD eject button CD activity light 10 CD emergency eject hole 11 Stereo speaker (right) 12 Security notch (for attaching an anti-theft chain)
  • Page 28 To attach the Multimedia Pack Shut down the Pedion. Close the LCD panel and turn the Pedion over. Slide open battery connector covers on the underside of the Pedion. Align the two small holes on the rear of the Pedion with the two raised catches on the rear edge of the Multimedia Pack.
  • Page 29: Backing Up The Pre-installed Software

    OWNER’S HANDBOOK Backing up the pre-installed software Creating an emergency startup disk We strongly recommend that you create an emergency startup disk. This will enable you to start Windows in the event of your existing Windows software becoming corrupted. On the Start menu, point at Settings, then click Control Panel.
  • Page 30: General Advice

    General advice As a portable computer, this machine is designed to be used in various environments. The following paragraphs contain guidelines in caring for yourself and your computer. Place the computer on a firm, level surface if possible, away from vibration. Use the computer away from moisture, direct sunlight, and extremes of heat and cold.
  • Page 31 OWNER’S HANDBOOK Avoid using the computer when placed directly on your lap for long periods. It can generate enough heat to cause low-temperature burns. (redness or blisters) When positioning the computer, take into account any local or national regulations relating to ergonomic requirements.
  • Page 32: Touchpad And Keyboard

    TOUCHPAD & KEYBOARD Using the touchpad The touchpad consists of a touch-sensitive tablet and two buttons, which together perform the same function as a mouse. The left and right touchpad buttons correspond to left and right mouse buttons. How to use the touchpad Touch the tablet only with your finger tip.
  • Page 33 OWNER’S HANDBOOK Mouse Properties Double-click the Touchpad icon in the Windows taskbar to open the Mouse Properties dialog. Touchpad icon You can use this dialog to configure many additional features of the touchpad. For example, you can add a tapping gesture that mimics a right-click. For more information, click the Help button in the Mouse Properties dialog.
  • Page 34: Using The Keyboard

    Using the keyboard The Pedion’s keyboard works just like a full-sized computer keyboard, but some keys have additional functions. Locking keys The keyboard has some locking keys whose status is indicated by the lights on the upper left edge of the computer.
  • Page 35 OWNER’S HANDBOOK Orange function keys Some keys have additional functions, marked in orange. Hold down the required “orange” key to access these functions. Backslash “\” character. ( produces the vertical bar “|” character.) Increases the brightness of the screen. Decreases the brightness of the screen. Turns audio output on and off.
  • Page 36: Diskette, Cd-rom And Audio

    DISKETTE, CD-ROM & AUDIO Using the diskette (floppy disk) drive You can use either 1.44 Mbyte (2HD) or 720 Kbyte (2DD) 3.5-inch diskettes in the Multimedia Pack’s diskette drive. OWNER’S HANDBOOK Advice on handling diskettes Never touch the disk surface beneath the metal shutter.
  • Page 37 OWNER’S HANDBOOK To insert a diskette Push the diskette into the drive, metal shutter foremost, and with the label side facing upwards, until it clicks into place. To eject a diskette Ensure that the diskette activity light is off. Press the diskette eject button. 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;...
  • Page 38: Using The Cd-rom Drive

    Using the CD-ROM drive You can use either audio or data compact discs (CDs) in the Multimedia Pack’s CD-ROM drive. Advice on handling CDs Make sure the CD drive is empty before turning off the Pedion. Avoid touching the disc’s surface. Hold the CD by its edges.
  • Page 39 OWNER’S HANDBOOK To load a CD Turn on the Pedion. Press the CD eject button. The CD tray comes out about 1.5 cm. Pull the CD tray out to its fullest extent. Set the CD on the CD tray, with the label side uppermost.
  • Page 40: Using The Audio Features

    OWNER’S HANDBOOK Using the audio features The Pedion has a 3.5 mm stereo mini-jack for audio output, plus an internal microphone and mono speaker. The Multimedia Pack has a line/microphone input and a stereo audio output jack, plus internal stereo speakers.
  • Page 41 OWNER’S HANDBOOK Audio input The line/microphone input jack on the Multimedia Pack can accept input from a cassette, CD, mini-disk or DAT player, hi-fi equipment or a self-powered microphone. When using an external self-powered microphone, you must enable the line-in input for recording and disable the (internal) microphone, as follows: Double-click the Loudspeaker icon in the taskbar to open the Volume Control dialog.
  • Page 42: Battery And Power Management

    BATTERY & POWER MANAGEMENT Using battery power The Pedion can operate from its internal battery for up to 1.8 hours, depending on the programs you are running and how much use you make of the hard disk and CD-ROM drive. An optional Battery Pack can be attached to the base of either the Pedion or the Multimedia Pack, extending the operating time to up to 7.2 hours.
  • Page 43 OWNER’S HANDBOOK Recharging the internal battery The Pedion’s internal battery begins to recharge as soon as you connect the Pedion to the AC power supply. The Pedion’s Battery Status light the battery is recharging, green when it is recharged. The time to recharge depends on the method you use: Recharge (while working) ...12 hours Recharge (while turned off) ...3 hours Checking the battery level (1)
  • Page 44 Low-battery warning Windows displays a low-battery warning when the battery is almost exhausted. The Pedion switches to Disk Suspend mode about three minutes later. When you see a low-battery warning, you should immediately connect the AC adapter. If the AC adapter is not available, you must shut down the Pedion until it is.
  • Page 45 OWNER’S HANDBOOK To remove the Battery Pack If the Multimedia Pack is attached, remove any CD or diskette from the drives. Shut down or suspend the Pedion. Close the LCD panel. Slide apart the two latches on the front of the Battery Pack, then lift the Pedion off the Battery Pack.
  • Page 46 Checking the battery level (2) Pressing the Battery Level button on the right-hand side of the Battery Pack illuminates a row of four battery level indicators. The number of indicators lit shows the current battery level: four indicators means 100% charge, three: 75%, two: 50%, one: 25%, and no indicators lit means the pack is discharged.
  • Page 47: Options For Power Management

    OWNER’S HANDBOOK Options for power management The Pedion has several modes that can be used to conserve power. The Pedion can also suppress power to components that are idle or unused for longer than a certain interval. This includes the keyboard, touchpad, hard disk, LCD panel, audio system, and peripherals connected to the serial or parallel ports.
  • Page 48 Disk drive low power mode The Power Properties of the hard disk can be configured under Windows to suppress power after specified periods of inactivity, depending on whether or not the Pedion is running from the AC power supply or its own batteries. The Pedion arrives with these timeouts set to 30 and 3 minutes respectively.
  • Page 49: More About Disk Suspend Mode

    OWNER’S HANDBOOK More about Disk Suspend mode In Disk Suspend mode your unsaved work and the Windows environment are written to the Pedion’s hard disk before the power is turned off. A special area of the hard disk is reserved for this purpose. While in this mode, the Power Status light is unlit.
  • Page 50 To restore the system from Disk Suspend mode Press the Power button (if there has been a low- battery warning, connect the AC adapter first). To set up an Auto Suspend timeout Start the Setup utility. Select the Power Saving menu. Set Power Management to “Customized”.
  • Page 51: More About Memory Suspend Mode

    OWNER’S HANDBOOK More about Memory Suspend mode In Memory Suspend mode your unsaved work and the Windows environment are written to the Pedion’s memory before the power is suppressed. While in this mode, the Power Status light is orange. You can enter Memory Suspend mode manually, simply by closing the LCD panel.
  • Page 52: Connecting Optional Devices

    CONNECTING OPTIONAL DEVICES It is possible to connect various optional devices, either directly to the Pedion or to the Multimedia Pack. This chapter provides advice on the types of devices that can be connected, and how to connect them. Suspend or shut down? In some cases, you must suspend or shut down the Pedion before connecting an optional device.
  • Page 53: Installing A Pc Card

    OWNER’S HANDBOOK Installing a PC Card There are two PC Card slots on the left side of the Pedion. Each slot can accommodate either a Type I (3.3 mm) or a Type II (5.0 mm) card. Slot 0 (towards the rear) can accept PC Cards with either CardBus or Zoomed Video (ZV) functions;...
  • Page 54 The two eject buttons fold in different directions. Connect any necessary cable to the PC Card. Configure the PC Card software. OWNER’S HANDBOOK To remove a PC Card Follow the procedure for terminating card operations under Windows. Fold the slot’s eject button out of its recess, then push it firmly.
  • Page 55: Connecting An Infrared Device

    OWNER’S HANDBOOK Connecting an infrared device The Pedion can use the same kind of infrared signal as that used by a TV or video remote control to communicate with another computer or peripheral device. The Pedion supports the IrDA 1.0 and IrDA 1.1 Fast Infrared (FIR) standards promoted by the Infrared Data Association.
  • Page 56 Infrared Monitor An Infrared Monitor program is provided to help you keep track of the Pedion’s infrared activity. The Infrared Monitor can normally be opened by double- clicking the Infrared icon in the Windows taskbar. Infrared icon The default settings of the Infrared Monitor ensure that the Pedion searches for infrared devices within range every 3 seconds.
  • Page 57 OWNER’S HANDBOOK To display the Infrared icon Follow this procedure if the Infrared icon is not present in the Windows taskbar. Click the Start button in the Windows taskbar, point at Settings and then click Control Panel. Double-click the Infrared icon. Click the Preferences tab.
  • Page 58 :\windows\options\cabs then click OK. 15. Make sure that the Add Infrared Device wizard shows the infrared device model as Infrared port on laptop or desktop click Next. 16. Select Fast Infrared Communications Port (COM2), click Next twice, and then click Finish.
  • Page 59: Connecting A Usb Device

    OWNER’S HANDBOOK Connecting a USB device The Pedion and the Multimedia Pack each have one USB (Universal Serial Bus) port. If the Pedion is docked with the Multimedia Pack, both ports can be used simultaneously. About the Universal Serial Bus (USB) The USB is a relatively new way of connecting peripherals to your computer.
  • Page 60: Connecting A Printer (parallel Port Device)

    Connecting a printer (or other parallel port device) You can connect a printer to the parallel port of the Multimedia Pack. The Pedion arrives with the parallel port is set to Bi- Directional mode. Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) functionality is also supported, and can be configured with the BIOS Setup utility.
  • Page 61: Connecting A Serial Port Device

    OWNER’S HANDBOOK Connecting a serial port device You can connect a device such as a modem or barcode scanner to the serial port of the Multimedia Pack. Note When disconnecting the serial device, turn off the device before you shut down the Pedion. 5 / 1 0 C o n n e c t i n g o p t i o n a l d e v i c e s To connect a serial device...
  • Page 62: Connecting An External Keyboard Or Mouse

    Connecting an external keyboard or mouse To connect a keyboard Shut down the Pedion. Plug the keyboard (or numeric keypad) into the keyboard port on the rear of the Multimedia Pack. Turn on the Pedion. Note Before disconnecting a keyboard or mouse, shut down the Pedion.
  • Page 63: Connecting An External Monitor

    OWNER’S HANDBOOK Connecting an external monitor You can connect an external colour monitor to the monitor port of the Multimedia Pack. Note The screen resolution and refresh rate of the LCD panel must be supported by the external monitor. When disconnecting the monitor, turn off the monitor before shutting down the Pedion.
  • Page 64 Click the NeoMagic tab. Click Display Options. Select Monitor, LCD Panel or Monitor/LCD according to whether you want to display Windows on the external monitor, the LCD panel, or both at the same time. OWNER’S HANDBOOK C o n n e c t i n g o p t i o n a l d e v i c e s 5 / 1 3...
  • Page 65 OWNER’S HANDBOOK 5 / 1 4 C o n n e c t i n g o p t i o n a l d e v i c e s...
  • Page 66: Bios Setup

    BIOS SETUP Using the Setup utility The BIOS (Basic Input/Output System) mediates between the computer’s hardware – the processor, memory, and so on – and its software – the operating system and your programs. The BIOS program is kept in permanent, read-only memory or ROM. Setup is a helpful utility that forms part of the BIOS program.
  • Page 67 OWNER’S HANDBOOK There are many parameters which can be changed in the Setup utility. These can easily be reviewed by browsing through the Setup utility itself, and are therefore not covered in detail here. Getting help in Setup You can get general help about the control keys at any time by pressing the The Help window on the right-hand side of each screen displays help text for the currently-selected...
  • Page 68 Press View a general help topic. Press Alt-H close the help window. Exit the current menu. arrow Select a different menu. Left Right arrow Select fields on the current menu. Down Select the next value for the current field. (+) or Plus Spacebar (–) or...
  • Page 69 OWNER’S HANDBOOK Saving changes and exiting Setup To save changes, without exiting Setup Press to make the Exit screen appear. Select the Save Changes option and press the key. The Setup Confirmation dialog Enter appears. Press Spacebar To exit Setup, saving changes Press to make the Exit screen appear.
  • Page 70: The Most Useful Options Within Setup

    The most useful options within Setup Advanced, I/O Device Configuration Use the options in this sub-menu to configure the serial, infrared and parallel ports. The IR port (Serial Port B) is initially set to IrDA 1.0 mode; if necessary, you can change this to IrDA 1.1 Fast Infrared (FIR) mode, which requires DMA1 or DMA3.
  • Page 71 OWNER’S HANDBOOK In the Set Supervisor Password dialog, type the password, press confirmation, then press Press to save the password and continue. Enter If you want the password to be requested every time you start the Pedion, set Password on boot to “Enabled”.
  • Page 72: Troubleshooting

    TROUBLESHOOTING This chapter offers advice if you suspect a fault with your computer. It is concerned mainly with problems caused by the computer itself; problems more often arise from other sources such as your operating system or application software. If you are apprehensive Make a note of any of the symptoms, error codes, displayed messages and so on, then turn off the computer and unplug all power cords before consulting your...
  • Page 73: Pedion

    OWNER’S HANDBOOK Pedion Problem Cannot turn system on Hot keys fail to work Diskette Drive (FDD) Problem Drive does not work Diskette cannot be read 7 / 2 T r o u b l e s h o o t i n g Possible solutions If using the internal battery, it may need to be charged.
  • Page 74: Hard Disk Drive (hdd)

    Hard Disk Drive (HDD) Problem Possible solutions System does not boot from disk Windows does start correctly from the hard disk Disk contents cannot be read CD-ROM Problem Possible solutions Drive does not work or CD cannot be read Use BIOS Setup to check that the hard disk drive (primary master) is defined correctly and that the boot options are also correct.
  • Page 75: Internal Battery Or Battery Pack

    OWNER’S HANDBOOK Internal battery or Battery Pack Problem Battery will not fully charge, or battery life is very short LCD panel Problem Screen appears blank 7 / 4 T r o u b l e s h o o t i n g Possible solutions Make sure you are charging the battery correctly.
  • Page 76: Serial Port Device

    Serial port device Problem Possible solutions Serial device does not work PC Cards Problem Possible solutions PC card does not work Check that the serial device is turned on. Check the cable connection. Check that the Pedion is properly connected to the Multimedia Pack. Use BIOS Setup to check that the serial port is enabled.
  • Page 77: External Keyboard, Numeric Keypad Or Mouse

    OWNER’S HANDBOOK Problem PC Card stops working after Pedion has been suspended External keyboard, numeric keypad or mouse Problem External device does not work 7 / 6 T r o u b l e s h o o t i n g Possible solutions Suspend mode should not be used with communication PC Cards, as it affects the remote connection.
  • Page 78: Printer

    Printer Problem Possible solutions Printer does not print Touchpad Problem Possible solutions Touchpad does not work at Touchpad responds slowly Check the printer cables and connections. Make sure the printer was turned on before turning on the Pedion. Check that the Pedion is properly connected to the Multimedia Pack. Use BIOS Setup to make sure the parallel port is configured correctly for the type of printer;...
  • Page 79: External Monitor

    OWNER’S HANDBOOK External monitor Problem Nothing appears external monitor Cannot switch from the LCD panel to the external monitor The display is skewed or distorted 7 / 8 T r o u b l e s h o o t i n g Possible solutions Check that the monitor cable is properly connected.
  • Page 80: Infrared Communication

    Infrared communication Problem Possible solutions The infrared feature does not work Erroneous data is transmitted or received Make sure the surface of the infrared port is clean. Make sure there is a clear line-of-sight between the Pedion and the infrared device and that there is nothing obstructing the infrared beam. Check the settings in the Infrared Monitor in the Windows Control Panel.
  • Page 81: Microphones, Headphones And Audio

    OWNER’S HANDBOOK Microphones, headphones and audio Problem No sound comes from the Pedion’s audio output speaker or internal speaker No sound comes from the Multimedia Pack’s speakers The record audio facility does not work properly USB device Problem A USB device does not work 7 / 1 0 T r o u b l e s h o o t i n g Possible solutions...
  • Page 82 APPENDIX I/O Address map You can change the settings used by the serial, parallel and infrared ports with the BIOS Setup utility. Address 000 – 00F 020 – 021 040 – 043 070 – 071 081 – 08F 0A0 – 0A1 0C0 –...
  • Page 83 OWNER’S HANDBOOK Address 1F0 – 1F7 220 – 22F 274 – 277 2F8 – 2FF 330 – 331 378 – 37F 388 – 38B 3B0 – 3BB 3C0 – 3DF 3F0 – 3F5, 3F7 3F8 – 3FF CF8 – CFF A / 2 A p p e n d i x Device...
  • Page 84 IRQ table You can change the interrupt used by the serial, parallel and infrared ports with the BIOS Setup utility. Priority Cause of interrupt Power management unit Parity error, I/O channel error IRQ0 Timer, Counter 0 output IRQ1 Keyboard IRQ2 Cascade connection from interrupt controller 2 IRQ8 Real time clock...
  • Page 85 OWNER’S HANDBOOK Priority IRQ4 IRQ5 IRQ6 IRQ7 DMA channels The parallel port in ECP mode requires either DMA1, DMA2 or DMA3. The infrared port in IrDA 1.1 Fast Infrared (FIR) mode requires either DMA1 or DMA3. DMA requirements mean that the Pedion cannot use the diskette drive and the FIR, ECP and audio features at the same time.

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