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Mitsubishi Apricot LS Series Owner's Handbook Manual

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Owner's Handbook

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  • Page 1 Apricot SERIES Owner’s Handbook...
  • Page 2 APRICOT LS SERIES OWNER’S HANDBOOK INITOWER DITION...
  • Page 3 Copyright © Apricot Computers Limited 1997. All rights reserved. Published by: Apricot Computers Limited 3500 Parkside Birmingham Business Park Birmingham, England B37 7YS http://www.mitsubishi-computers.com Printed in the United Kingdom...
  • Page 4 S a f e t y & r e g u l a t o r y n o t i c e s SAFETY AND REGULATORY NOTICES General Electrical The computer uses a safety ground and must be earthed. The system unit AC power cord is its ‘disconnect device’.
  • Page 5 S a f e t y & r e g u l a t o r y n o t i c e s 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 regulations relating to ergonomic...
  • Page 6 S a f e t y & r e g u l a t o r y n o t i c e s or repeated contact with skin. Wash thoroughly with soap and water after handling. Avoid contact with eyes and inhalation of fumes. Do not ingest. Maintenance Switch off and disconnect all cables before attempting to clean the computer.

  • Page 7: Standards

    IMPORTANT This system complies with the CE Marking Directive and its strict legal requirements. Use only parts tested and approved by Mitsubishi Electric PC Division. Failure to do so may result in invalidating both the compliance and your warranty. All expansion cards, drives and peripherals must carry...

  • Page 8: Power Connection

    S a f e t y & r e g u l a t o r y n o t i c e s Power Connection Typical AC plugs 125V 250V 250V 250V 250V BS1363A SHUCO NEMA 5-15P SRAF 1962/DB16/87 ASE 1011 U.
  • Page 9 S a f e t y & r e g u l a t o r y n o t i c e s 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.

  • Page 10: Table Of Contents

    CONTENTS Safety and Regulatory Notices General Standards Legalities Power connection information System Description and Installation Feature Summary Dimensions Front Panel Controls and Indicators Back Panel Connectors and Features Selecting a Site Power Supply Before Installing Optional Items Chassis and Components Before You Begin Chassis Covers Add-in Cards...
  • Page 11 C o n t e n t s Motherboard Connectors 3/11 Audio Subsystem 3/14 Hardware Monitor Option 3/15 Front Panel Connections 3/15 Motherboard Resources 3/17 Upgrading Processor How to Install Memory How to Remove Memory BIOS and Setup Overview of the BIOS Setup Program Maintenance Menu Main Menu Advanced Menu...
  • Page 12 C o n t e n t s Figures/Illustrations chapter/page Front Panel Controls and Indicators Back Panel Connectors and Features Selecting the Input Voltage Setting Removing the Top Cover Removing the Access Side Cover Removing the Non-access Side Cover Removing the Bezel Removing the Expansion Slot Cover Bracket Removing an Expansion Slot Cover Installing an Add-in Card...

  • Page 13: System Description And Installation

    SYSTEM DESCRIPTION AND INSTALLATION This chapter provides a basic description of the LS700, along with simple installation information. Feature Summary ♦ A removable carrier with bays that can accommodate one of the following variations: ◊ Three half-height full-width peripherals ◊ One full-height and one half-height full-width peripherals ◊...

  • Page 14: Front Panel Controls And Indicators

    S y s t e m d e s c r i p t i o n a n d i n s t a l l a t i o n Front Panel Controls and Indicators Figure 1. Front Panel Controls and Indicators A.

  • Page 15: Back Panel Connectors And Features

    S y s t e m d e s c r i p t i o n a n d i n s t a l l a t i o n Back Panel Connectors and Features Figure 2 shows a typical configuration including a power supply and external motherboard I/O connectors.

  • Page 16: Selecting A Site

    S y s t e m d e s c r i p t i o n a n d i n s t a l l a t i o n Selecting a Site Choose a site that is: ♦...
  • Page 17 S y s t e m d e s c r i p t i o n a n d i n s t a l l a t i o n Figure 3. Select the Input Voltage Setting WARNING The power cable shipped with the system is correct for the country of supply.

  • Page 18: Before Installing Optional Items

    S y s t e m d e s c r i p t i o n a n d i n s t a l l a t i o n Power Supply Output DC Voltage Current (Max. continuous) +12 V 6.0 A +5 V...

  • Page 19: Chassis And Components

    CHASSIS AND COMPONENTS This chapter describes how to take apart and reassemble the chassis and the major components. Before You Begin ♦ Be sure to do each procedure in the correct order. ♦ Set up an equipment log to record the computer’s model and serial numbers, all installed options, and other information about the computer.

  • Page 20: Chassis Covers

    C h a s s i s a n d C o m p o n e n t s WARNING The power supply in this computer contains no user-serviceable parts. To avoid personal injury or damage to your equipment, refer repair or replacement of the power supply to qualified technical personnel only.

  • Page 21: Removing The Top Cover

    C h a s s i s a n d C o m p o n e n t s Figure 4. Removing the Top Cover Installing the Top Cover Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Check that you have not left any tools or loose parts inside the chassis.

  • Page 22: Removing The Access Side Cover

    C h a s s i s a n d C o m p o n e n t s Removing the Access Side Cover The access side is the right side of the chassis when viewed from the front. Observe the precautions in ‘Before You Begin’, at the beginning of this chapter.
  • Page 23 C h a s s i s a n d C o m p o n e n t s Installing the Access Side Cover Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Check that you have not left any tools or loose parts inside the chassis.

  • Page 24: Removing The Non-Access Side Cover

    C h a s s i s a n d C o m p o n e n t s Figure 6. Removing the Non-Access Side Cover Installing the Non-Access Side Cover Observe the precautions in “Before You Begin.” Holding the side cover at a slight angle, insert the tabs at the front of the cover into their slots.

  • Page 25: Removing The Bezel

    C h a s s i s a n d C o m p o n e n t s Release the fan/card guide module (see Figure 7) by pressing the two tabs on the long edge of the module and pulling until you can swing the module away from the front of the chassis.

  • Page 26: Add-In Cards

    C h a s s i s a n d C o m p o n e n t s Installing the Bezel Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Lift the front of the chassis slightly and align the bezel with the chassis.

  • Page 27: Removing An Expansion Slot Cover

    C h a s s i s a n d C o m p o n e n t s Insert a flat blade screwdriver into a hole of the slot cover you wish to remove. (See Figure 9). Move the screwdriver up and down until the slot cover breaks away from the chassis.
  • Page 28 C h a s s i s a n d C o m p o n e n t s NOTE Covers must be installed in all vacant slots to maintain the electromagnetic emissions characteristics of the chassis and to ensure proper cooling.

  • Page 29: Installing An Add-In Card

    C h a s s i s a n d C o m p o n e n t s Figure 10. Installing an Add-in Card Removing an Add-in Card Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Disconnect any cables attached to the add-in card you are removing.

  • Page 30: Peripheral Carriers And Devices

    C h a s s i s a n d C o m p o n e n t s Peripheral Carriers and Devices Removing the Floppy Diskette Drive Carrier Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Remove the top cover.
  • Page 31 C h a s s i s a n d C o m p o n e n t s Installing the Floppy Diskette Drive Carrier Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Insert the tabs on the carrier into their slots on the main peripheral carrier.

  • Page 32: Removing The Main Peripheral Carrier

    C h a s s i s a n d C o m p o n e n t s Figure 12. Removing the main Peripheral Carrier Installing the main Peripheral Carrier Observe the precautions in ‘Before You Begin’, at the beginning of this chapter.

  • Page 33: Removing The Floppy Diskette Drive

    C h a s s i s a n d C o m p o n e n t s Removing the floppy Diskette Drive Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Remove the drive carrier. Remove the three screws holding the diskette drive to the carrier (see Figure 13).

  • Page 34: Installing Hard Disk Drives

    C h a s s i s a n d C o m p o n e n t s Installing a floppy Diskette Drive Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Remove the diskette drive carrier. Remove the diskette drive from its protective wrapper and place it on an antistatic surface.

  • Page 35: Installing A Hard Drive In The Carrier

    C h a s s i s a n d C o m p o n e n t s Figure 14. Installing a Hard Drive in the Carrier Removing a Hard Drive from the Diskette Drive Carrier Observe the precautions in ‘Before You Begin’, at the beginning of this chapter.

  • Page 36: Installing A Hard Drive Behind The Power Supply

    C h a s s i s a n d C o m p o n e n t s Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Remove the non-access side panel. Remove the power supply (see later in this chapter). Remove the drive from its protective wrapper and place it on an antistatic surface.
  • Page 37 C h a s s i s a n d C o m p o n e n t s Removing a Hard Drive from Behind the Power Supply WARNING This procedure should be done only by qualified technical personnel. Unplug the computer before doing the procedures described here.

  • Page 38: Installing A Hard Drive In The Main Peripheral Carrier

    C h a s s i s a n d C o m p o n e n t s Connect power and data cables to the device. Figure 16. Installing a Hard Drive in the main Peripheral Carrier Removing a narrow Device from the main Peripheral Carrier Observe the precautions in ‘Before You Begin’, at the beginning of this chapter.

  • Page 39: Installing Full-Width Devices

    C h a s s i s a n d C o m p o n e n t s Installing Full-width Devices Installing a Full-width Device NOTE A magnetic Phillips screwdriver will be useful for this procedure, but keep it well clear of any loose floppy disks or tape cartridges.

  • Page 40: Install/Remove A Full-Width Peripheral Device

    C h a s s i s a n d C o m p o n e n t s Figure 17. Install/remove a full-width Peripheral Device Removing a Full-width Device Observe the precautions in ‘Before You Begin’, at the beginning of this chapter.

  • Page 41: Other Chassis Components

    C h a s s i s a n d C o m p o n e n t s Other Chassis Components Removing the Fan/card Guide Module Observe the precautions in ‘Before You Begin’, at the beginning of this chapter. Remove any add-in cards that block the module.
  • Page 42 C h a s s i s a n d C o m p o n e n t s Hook the bent plastic tabs on the module in the holes in the front of the chassis. Swing the module against the chassis and secure it by pressing the plastic clips on the module into their slots in the chassis.

  • Page 43: Removing The Power Supply

    C h a s s i s a n d C o m p o n e n t s Figure 19. Removing the Power Supply Installing the Power Supply WARNING This procedure should be done only by qualified technical personnel.

  • Page 44: System Motherboard

    SYSTEM MOTHERBOARD This chapter describes the features of the system motherboard, setting jumpers other relevant information. Microprocessor This motherboard supports 233 MHz, 266 MHz and 300 ® ™ MHz Intel Pentium II processors with MMX technology and 512 KB secondary (L2) cache. The Pentium II processor is packaged in a Single Edge Contact (S.E.C.) cartridge that mounts in the Slot 1 processor connector on the motherboard.

  • Page 45: Motherboard Layout

    S y s t e m m o t h e r b o a r d Motherboard layout Figure 20. Motherboard Components OM06239 Optional chassis security connector Floppy drive connector Optional Wake on LAN connector IDE connectors Battery Front panel connector Optional Line In connector Accelerated Graphics Port (AGP) connector...

  • Page 46: Configuration Modes

    S y s t e m m o t h e r b o a r d Connectors Figure 21. Back Panel I/O Connectors A. PS/2 connector (mouse or keyboard) F. Serial port 1 connector B. Parallel port connector G. Serial port 2 connector C.

  • Page 47: Location Of The Configuration Jumper Block

    S y s t e m m o t h e r b o a r d Figure 22 shows the location of the configuration jumper block on the motherboard. The jumper is set to normal mode at the factory. Figure 22.
  • Page 48 S y s t e m m o t h e r b o a r d How to Set the Processor Speed Set the processor speed after you have installed or upgraded the processor. This procedure assumes that the motherboard is installed in the computer and the configuration jumper block is set to normal mode.
  • Page 49 S y s t e m m o t h e r b o a r d 13. Remove the computer top and access covers. 14. To restore normal operation, place the jumper on pins 1-2 as shown below. J8B2 OM06240A 15.

  • Page 50: Pci/Ide Peripheral Interface

    S y s t e m m o t h e r b o a r d Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a pop-up screen requesting that you confirm clearing the password. Select Yes and press <Enter>.
  • Page 51 S y s t e m m o t h e r b o a r d ♦ Multimode bidirectional parallel port: ◊ Standard mode: Centronics-compatible operation ◊ High-speed mode: support for enhanced capabilities port (ECP) and enhanced parallel port (EPP) ♦...

  • Page 52: Cmos Battery

    S y s t e m m o t h e r b o a r d Since PCI add-in cards use the same interrupt resources as ISA add-in cards, you must specify the interrupts used by ISA cards in the Setup program. Expansion Slots motherboard dedicated...

  • Page 53: Usb Interface Support

    S y s t e m m o t h e r b o a r d To replace the battery: Observe the precautions in ‘Before You Begin’ (Chapter 2). Turn off all peripheral devices connected to the computer. Turn off the computer and unplug the power cable. Remove the computer top and access covers.

  • Page 54: Speaker

    S y s t e m m o t h e r b o a r d NOTE Computers that have an unshielded cable attached to the USB port risk causing radio frequency interference (RFI). Use shielded cable for all devices attached to either USB port. Speaker A speaker is mounted on the motherboard.
  • Page 55 S y s t e m m o t h e r b o a r d Chassis security connector Fan 3 connector Wake on LAN connector Fan 1 connector ATAPI CD-ROM audio SCSI hard drive LED input connector connector ATAPI-style telephony connector Wake on Ring connector ATAPI-style line in connector...
  • Page 56 S y s t e m m o t h e r b o a r d ATAPI-Style Line In Connector (J2F2) Signal Name Left Line In Ground Ground Right Line In (monaural) Fan 3 Connector (J5L1) (Active Heatsink Fan) Signal Name Ground +12V...

  • Page 57: Audio Subsystem

    S y s t e m m o t h e r b o a r d Fan 2 Connector (J3F1) Signal Name Ground FAN_CTRL (+12 V) FAN_SEN* * If the optional management extension hardware is not available, pin 3 is ground.

  • Page 58: Hardware Monitor Option

    S y s t e m m o t h e r b o a r d Hardware Monitor Option The hardware monitor option features the following: ♦ An integrated temperature sensor ♦ Fan speed sensors ♦ Power supply voltage monitor ♦...
  • Page 59 S y s t e m m o t h e r b o a r d Connector Signal Name A. Speaker SPKR_HDR PIEZO_IN Ground B. Reset switch SW_RST Ground C. Power LED +5 V Ground D. Hard drive LED +5 V HD Active# +5 V...

  • Page 60: Motherboard Resources

    S y s t e m m o t h e r b o a r d Motherboard Resources Memory Map Address Range Address Range Size Description (Decimal) (hex) 1024K-393216K 100000-18000000 383MB Extended memory 1008K-1024K FC000-FFFFF Boot Block 1000K-1008K FA000-FBFFF ESCD (Plug and Play configuration and DMI) 996K-1000K...
  • Page 61 S y s t e m m o t h e r b o a r d Address (hex) Size Description 0070, bit 7 1 bit PIIX4 - Enable NMI 0070, bits 6:0 7 bits PIIX4 - Real Time Clock, Address 0071 1 byte PIIX4 - Real Time Clock, Data...
  • Page 62 S y s t e m m o t h e r b o a r d Address (hex) Size Description 03B4 - 03B5 2 bytes 03BA 1 byte 03C0 - 03CA 11 bytes 03CC 1 byte 03CE - 03CF 2 bytes 03D4 - 03D5 2 bytes...
  • Page 63 S y s t e m m o t h e r b o a r d PCI Configuration Space Map Device Function Description Number Number Number (hex) (hex) (hex) Intel 82440LX (PAC) Intel 82371AB (PIIX4) AGP Bus Intel 82371AB (PIIX4) PCI/ISA Bridge Intel 82371AB (PIIX4) IDE Bus Master Intel 82371AB (PIIX4) USB Intel 82371AB (PIIX4) Power Management...
  • Page 64 S y s t e m m o t h e r b o a r d Interrupts System Resource I/O channel check Reserved, interval timer Reserved, ke board buffer full Reserved, cascade interrupt from slave PIC Serial Port 2 Serial Port 1 Parallel Port 2 (Plug and Pla option) Flopp drive...

  • Page 65: Upgrading

    UPGRADING Processor ® This computer uses the Intel Pentium II processor, which is supplied as a module complete with heatsink. At the time of writing processors rated at 233MHz, 266MHz and 300MHz are available. Remove the Installed Processor To remove the installed processor, follow these steps: Observe the precautions in ‘Before You Begin’...

  • Page 66: Removing The Heatsink Support Top Bar And The Processor

    U p g r a d i n g Figure 25. Removing the Heatsink Support Top Bar and the Processor OM06230 Heatsink support top bar Latches CAUTION Pressing on the motherboard or components while removing the processor can cause damage. If necessary, you can safely press on the motherboard’s plastic connectors to gain leverage while removing the processor.
  • Page 67 U p g r a d i n g How to Install a Processor To install a processor, follow these steps: Install the retention mechanism. Install the processor. Set the processor speed. Detailed instructions for each of these procedures follow. NOTE If you are installing a boxed Intel Pentium II processor, see the instructions on page 4/6.

  • Page 68: Installing The Processor Retention Mechanism

    U p g r a d i n g Figure 26. Installing the Processor Retention Mechanism OM06225 Slot 1 connector Connector tab Attachment studs Captive nuts Retention mechanism To position the mechanism, orient it as shown in Figure 26. The connector tab fits into a notch in the base of the mechanism.

  • Page 69: Installing The Processor

    U p g r a d i n g Install the Processor To install the processor, follow these steps: Insert the processor in the retention mechanism. Press down on the processor until it is firmly seated in the Slot 1 connector and the latches on the processor lock into place.

  • Page 70: How To Install Memory

    U p g r a d i n g Figure 28. Installing the Heatsink Support Top OM06229 Heatsink support bar Retaining pins Set the Processor Speed After you install the processor and install the motherboard, set the processor speed by using the Setup program. See Chapter 3 for details on how to set processor speed.

  • Page 71: Location Of Dimm Sockets

    U p g r a d i n g ♦ You can install DIMMs of any size in any of the three banks. ♦ The BIOS detects the size and type of installed memory. ♦ For ECC operation to be available, all installed memory must be ECC and you must enable the ECC Configuration feature in the Setup program.

  • Page 72: Installing A Dimm

    U p g r a d i n g Position the DIMM above the socket. Align the two small notches in the bottom edge of the DIMM with the keys in the socket. Insert the bottom edge of the DIMM into the socket. When the DIMM is seated, push down on the top edge of the DIMM until the retaining clips snap into place.

  • Page 73: How To Remove Memory

    U p g r a d i n g How to Remove Memory To remove a DIMM, follow these steps: Observe the precautions in ‘Before You Begin’ (Chapter 2). Turn off all peripheral devices connected to the computer. Turn off the computer and remove the power cable. Remove the computer top and access covers.

  • Page 74: Bios And Setup

    BIOS AND SETUP This chapter explains how to use the BIOS Setup program. You can use the Setup program to change the computer’s configuration information and boot-up sequence. Setup information is stored in CMOS random access memory (RAM) and is backed up by a battery on the motherboard when power to the computer is off.
  • Page 75 B I O S a n d s e t u p Setup Key Description <F1> or <Alt-H> Brings up a help screen for the current item <Esc> Exits the menu <Enter> Selects the current item or option ↑ Selects the previous item or option ↓...

  • Page 76: Maintenance Menu

    B I O S a n d s e t u p Maintenance Menu Use this menu to specify the processor speed and clear the Setup passwords. Setup displays this menu only in configure mode. See the Configuration Modes section on page 3 of Chapter 3. Feature Options Description...
  • Page 77 B I O S a n d s e t u p Feature Options Description Primary IDE No options Reports the type of connected Master, submenu IDE device. When selected, this option displays the Primary IDE Master submenu. Primary IDE No options Reports the type of connected Slave, submenu...
  • Page 78 B I O S a n d s e t u p Primary/Secondary IDE Master/Slave Configuration Submenu Use this submenu to configure IDE devices. Feature Options Description • None Type Specifies the IDE configuration • ATAPI Removable mode for IDE devices. •...

  • Page 79: Advanced Menu

    B I O S a n d s e t u p Feature Options Description • Standard Transfer Specifies the method for • Fast PIO 1 Mode transferring data between the hard • Fast PIO 2 drive and system memory. •...
  • Page 80 B I O S a n d s e t u p Feature Options Description Resource No options Configures memory blocks and Configuration, IRQs for legacy ISA devices. submenu When selected, this option displays the Resource Configuration submenu. Peripheral No options Configures peripheral ports and Configuration, devices.
  • Page 81 B I O S a n d s e t u p Feature Options Description • IRQ3 Available (default) | Reserved Reserves specific IRQs • IRQ4 Available (default) | Reserved Reservation for use by legacy ISA • IRQ5 Available (default) | Reserved devices.
  • Page 82 B I O S a n d s e t u p Feature Options Description card, the COM4, 2E8h address will not appear in the list of options for either serial port. • Normal Mode Selects the mode for Serial Port B for normal (COM 2) or infrared (default) •...
  • Page 83 B I O S a n d s e t u p Keyboard Features Submenu Use this submenu to set keyboard features. Feature Options Description • Auto (default) Numlock Selects the power on state of • On the Num Lock feature on the •...

  • Page 84: Security Menu

    B I O S a n d s e t u p DMI Event Logging Submenu Use this submenu to control the DMI event logging features. Feature Options Description Event log capacity No options Reports if there is space available in the event log.
  • Page 85 B I O S a n d s e t u p booting. If you set the administrative password only, the computer will boot without prompting the user for a password. If both passwords are set, a user can enter either the administrative or user password to boot the computer.
  • Page 86 B I O S a n d s e t u p Feature Options Description • Off (default) Inactivity Timer Specifies the amount of time • 1 Minute before the computer enters • 2 Minutes standby mode. • 4 Minutes •...

  • Page 87: Hard Drive

    B I O S a n d s e t u p Feature Options Description • Stay Off On Modem Ring Specifies how the computer • Power On (default) responds to an incoming call on an installed modem when the power is off. •...
  • Page 88 B I O S a n d s e t u p Feature Options Description Hard Drive, No options Lists available hard drives. submenu When selected, this option displays the Hard Drive submenu. Removable Devices, No options Lists available removable submenu devices.

  • Page 89: Exit Menu

    B I O S a n d s e t u p Removable Devices Submenu Use this submenu to configure the boot sequence for removable devices. Options Description • Legacy Floppy Specifies the boot sequence for the removable devices attached to the computer. To specify boot Drives sequence: Select the boot device with <↑>...

  • Page 90: Note Down Your Settings For Reference

    B I O S a n d s e t u p Note down your settings for reference Use this area to make a note of your BIOS settings as they are when you first use the system. LS700 HANDBOOK 5/17...

  • Page 91: 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, if there are problems with software, read the software guide or contact the software supplier. Make a note of any symptoms, error codes, or display messages before calling your supplier or maintenance provider Problems when starting...
  • Page 92 T r o u b l e s h o o t i n g computer with that recorded in configuration (CMOS) memory. During this time, BIOS sign-on and POST messages are displayed. If POST detects a hardware fault, one or more POST error codes and messages are displayed.
  • Page 93 T r o u b l e s h o o t i n g Boot failure message Explanation Fixed disk read failure The hard disk may be defective. Press F1 to retry. Make sure the drive is correctly specified in the BIOS setup utility.

  • Page 94: Troubleshooting Checklist

    T r o u b l e s h o o t i n g Troubleshooting Checklist If you encounter a problem with the computer the following sections suggest checks to make before you alert your dealer, authorised maintainer or support organisation. The checks listed cover the causes of common problems.

  • Page 95: The System's Disk Drives

    T r o u b l e s h o o t i n g System BIOS Check finally the system BIOS to ensure that it has not been disturbed from the original settings. An area is provided within Chapter 5 (System BIOS and Setup) to make a note of your current or original BIOS settings.

  • Page 96: Error Messages

    T r o u b l e s h o o t i n g that the permission assigned by the operating system allow the intended access. SCSI Drives If you have just fitted a new SCSI drive, or device, check that you have used a valid ‘ID’...
  • Page 97 T r o u b l e s h o o t i n g Message Explanation NVRAM Data Invalid, Invalid entry in the ESCD. NVRAM Cleared Parallel Port Resource Conflict The parallel port has requested a resource that is already in use. PCI Error Log is Full This message is displayed when more than 15 PCI conflict errors are detected.
  • Page 98 T r o u b l e s h o o t i n g BIOS Error Messages Error Message Explanation Diskette drive A error or Drive A: or B: is present but fails the POST Diskette drive B error diskette tests.
  • Page 99 T r o u b l e s h o o t i n g Error Message Explanation Parity Check 1 Parity error found in the system bus. BIOS attempts to locate the address and display it on the screen. If it cannot locate the address, it displays ????.
  • Page 100 T r o u b l e s h o o t i n g ISA NMI Messages ISA NMI Message Explanation Memory Parity Error at Memory failed. If the memory location can be xxxxx determined, it is displayed as xxxx. If the memory location cannot be determined, the message is: Memory Parity Error ????.

  • Page 101: Equipment Log

    EQUIPMENT LOG Use this equipment log to record information about your PC. You may wish to cut it out and keep it in a safe place. Manufacturer’s data You should record the model codes and serial numbers of the system components. You can update this with information about any expansion cards fitted.
  • Page 102 E q u i p m e n t l o g Expansion cards Manufacturer Description Serial number Other information It may be useful to note any additional information here such as date of purchase, supplier, etc., along with the phone number of your maintenance provider.
  • Page 103 MITSUBISHI ELECTRIC MITSUBISHI ELECTRIC PC DIVISION PC DIVISION Apricot Computers Limited Apricot Computers Limited 3500 Parkside Niederlassung Deutschland Birmingham Business Park Gothaer Strasse 27 Birmingham B37 7YS 40880 Ratingen United Kingdom Germany Tel +44 (0) 121 717 7171 Tel +49 (0) 2102 4556...

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