Mitsubishi Electronics 340 126

APRICOT COMPUTERS LIMITED	APRICOT COMPUTERS LIMITED	MITSUBISHI ELECTRIC EUROPE GmbH
3500 PARKSIDE	TRAVELLERS LANE	GOTHAER STRASSE 8
BIRMINGHAM BUSINESS PARK	HATFIELD	POSTFACH 1548
BIRMINGHAM B37 7YS	HERTFORDSHIRE AL10 8XB	40835 RATINGEN
UNITED KINGDOM	UNITED KINGDOM	DEUTSCHLAND

MITSUBISHI ELECTRIC

Contents

Page APRICOT 340 & XEN PC OWNER’S HANDBOOK Page Safety and Regulatory Notices Laser products Ergonomic Acoustic noise Safety Electromagnetic compatibility (EMC) Emissions Immunity Harmonics Thermalcote bonding compound CONTENTS Introducing Getting Started Using the BIOS Setup Utility Maintaining and Transporting Adding Expansion Cards Upgrading Troubleshooting Inside the System Unit Technical Information 1 INTRODUCING Unpacking Pictorial guide to the system unit button activity indicators infrared sensor speaker grille door Page AC power outlet voltage selection switch AC power inlet keyboard port mouse port Summary of features Energy-efficientfeatures Caution not 2 GETTING STARTED General advice Connecting the components Connecting the components Turning on and booting the computer pre-installed Note Starting the computer for the first time Why your computer may seem to stop working standby Turning the power off Backing-upthe pre-installedsoftware Using the 3.5-inchdiskette drive Page Using Help 3 USING THE BIOS SETUP UTILITY Starting BIOS Setup If BIOS Setup starts on its own Control keys Press Main menu screen System Summary Devices and I/O Ports Mouse IDE Drives Setup Parameter Settings Date and Time System Security Secure Hard Disk Drives and Diskette Drives Power-onPassword Administrator Password Start Options Advanced Setup ISA Legacy Resources Power Management Page 4 USING FLOPPY DISK, CD-ROMAND TAPE DRIVES Using a 5.25" floppy disk drive Removing a floppy disk Write-protectinga floppy disk Using a CD-ROMdrive Inserting a compact disc Removing a compact disc Using an FTD Travan tape drive Removing a cartridge Write-protectinga cartridge Cleaning the drive Using a SCSI QIC tape drive Using a SCSI DDS-2tape drive Interpreting the LED indicators Green Amber Drive status Automatic drive operation Inserting a cassette Removing a cassette Write-protectinga cassette Page 5 MAINTAINING AND TRANSPORTING Cleaning the computer The keyboard The mouse Transporting the computer Using the computer in another country Switch setting AC power supply (voltage and frequency) 6 ADDING EXPANSION CARDS Slot Configuring the card Interrupt request level (IRQ) interrupt request level IRQ Default assignment Direct memory access (DMA) channel DMA channel DMA Base input/output (I/O) port address base I/O port address I/O ports Base memory address conventional memory upper memory base memory address Installing the card jumper video feature connector Declaring ISA legacy resources 7 UPGRADING Inside the system unit video memory upgrade sockets processor speed selection jumpers SIMM sockets cache memory upgrade socket processor socket Adding more system memory Total memory Bank 1 sockets Bank 2 sockets MM1 MM2 Page front Adding cache memory Page Adding more video memory Page Upgrading the processor Removing the heat sink Fitting the new processor processor speed selection Adding a removable-mediadrive Page Page Page Cabling instructions Adding a hard disk drive Page Page Partitioning and formatting the drive Fdisk Help Fdisk Format Help Fdisk 8 TROUBLESHOOTING Problems when starting Page Page Beep codes Failure to boot Troubleshooting checklist Diskette and floppy disk drives Hard disk drives A INSIDE THE SYSTEM UNIT Anti-staticprecautions Page Opening the system unit Motherboard layout Page System connectors Changing jumper settings Processor speed selection Processor speed Jumper block SW1 FS1 FS0 SoundBlaster I/O port address SoundBlaster I/O base address IC12 BIOS upgrade and recovery Clearing CMOS Replacing the configuration battery Page B TECHNICAL INFORMATION Specifications Page ATA-PI CD-ROMdrive DDS-2tape drive FTD Travan tape drive Physical characteristics Electrical characteristics Power cords PSU current ratings Port characteristics Parallel port Monitor port Output Monochrome Colour Keyboard and mouse ports Joystick/MIDI port Video feature connector