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Mitsubishi Electric Apricot LS Pro Using Setup And Installing Add-Ons

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USING SETUP AND INSTALLING ADD-ONS
LS Pro
apricot
MITSUBISHI ELECTRIC
Table of Contents
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Summary of Contents for Mitsubishi Electric Apricot LS Pro

  • Page 1 USING SETUP AND INSTALLING ADD-ONS LS Pro apricot MITSUBISHI ELECTRIC...
  • Page 2 All rights reserved; no use or disclosure without written consent. Copyright © Apricot Computers Limited 1993 Published by Apricot Computers Limited 3500 Parkside Birmingham Business Park BIRMINGHAM B37 7YS MITSUBISHI ELECTRIC Printed in the United Kingdom Part no. 15146931 Revision 01...

  • Page 3: Table Of Contents

    Contents SETUP Introduction 3 Invoking SETUP 3 The SETUP screen 4 Controlling SETUP using the keyboard 6 System Autoconfiguration 6 SETUP functions 7 Exiting SETUP 13 Installing add-ons Introduction 15 Anti-static precautions 16 Memory upgrades 17 Installing an 80387SX 23 Thick wire Ethernet 24 Token-Ring RPL ROM 26 Token-Ring module 28...

  • Page 5: Setup

    SETUP Introduction The Apricot LS Pro system board is fitted with a small area of memory which is used to store information about the configuration of the computer. The computer’s configuration is modified using a SETUP utility provided in Read Only Memory (ROM) on the system board.

  • Page 6: The Setup Screen

    The SETUP screen The simplest way to use SETUP is with a mouse, just move the cursor to the option you want to select and click with the left mouse button. The illustration below identifies the elements that make up the SETUP screen. Scroll bar Text Option group...
  • Page 7 Option button These are used for exclusive options. Beside each option is a circle, only one circle is highlighted at any given time. If you point and click on an option the highlight will transfer to it. Scroll bar Scroll bars behave like slide controls. They are adjusted by pointing and clicking on the arrows at each end of the bar.

  • Page 8: Controlling Setup Using The Keyboard

    Controlling SETUP using the keyboard If you are unable to use a mouse, you can use the keyboard to move around and select the SETUP options. Moves you round the option groups, and buttons. An alternative method is to hold down the key and press the letter which corresponds to the one underlined in the title...

  • Page 9: Setup Functions

    SETUP functions Enable Power-On Sound When this option is enabled the LS Pro audio subsystem provides an audible indication that the system has been switched on. BIOS shadowing Enabling BIOS shadowing enhances the performance of the system by copying the BIOS into RAM. The BIOS on the system board is stored in ROM, which has long access times, and only an 8-bit wide interface to the rest of the system board.
  • Page 10 Startup Graphics When graphics is selected the initial boot screen is displayed in graphical format. If graphics is not selected the smooth boot option in Enable is greyed out. Text When text is selected a text based boot screen is used. Monitor type There are three option buttons in this group: SVGA, VGA/EVGA and EVGA (high refresh).
  • Page 11 EVGA (high refresh) This option can be used if your EVGA monitor supports high refresh rates. If this option is chosen: 640x480, 800x600 and 1024x768 display modes use high refresh rates, typically 72Hz. The video timings in these high refresh rate modes are VESA compatible.
  • Page 12 Sound The Sound option group is greyed out unless the Power- On Sound is enabled. Volume The volume control adjusts the output level of the Power- On Sound. Use it to adjust the volume to suit the computer’s location. Test Use the Test button to preview the Power-On Sound to ensure that you have set it to a suitable level.
  • Page 13 Local This should be selected if the computer is to boot from an internal hard disk or floppy drive. It should be noted that when one of the remote boot schemes described below is enabled it is not possible to boot the computer from a local device.
  • Page 14 Token-Ring If you have a Token-Ring module fitted, then these options enable you to set the bus width and ring data rate. Note Full definitions of bus width and the ring data rate are given in Appendix B of the LS Pro Owner’s Handbook . This part of the SETUP utility is greyed out on when the Token-Ring module is not installed.

  • Page 15: Exiting Setup

    Exiting SETUP Use either the button to exit SETUP. SAVE CANCEL button will implement any changes that you, or SAVE autoconfiguration, have made. If you use the button SAVE you will be prompted to make sure that you wish to implement the changes.

  • Page 17: Installing Add-Ons

    Owner’s Handbook . At the rear of this guide is some information about a Token-Ring module upgrade, and a list of the SIMMs that are approved for use with the Apricot LS Pro.

  • Page 18: Anti-Static Precautions

    Anti-static precautions All electronic components and equipment are sensitive to static electricity. Even small electrostatic discharges can render components useless or severely shorten their working life, therefore you should always take preventive measures. No work should be carried out on any item unless it is in a Special Handling Area (SHA) as defined in BS CECC 00015:Part 1.

  • Page 19: Memory Upgrades

    Memory upgrades Memory on the Apricot LS Pro can be expanded to a maximum of 16 Mbytes by fitting SIMMs (Single In-line Memory Modules) in sockets provided on the system board. The SIMM sockets are grouped in pairs, which correspond to blocks of memory known as banks.
  • Page 20 The following table identifies the valid upgrade combinations. System board Upgrade Bank capacity Note (Mbytes) (Mbytes) (Mbytes) Notes 1. For a 2 Mbyte system board an alternative method of achieving 8 Mbytes of RAM is to install an 8 Mbyte upgrade in bank 2 and leave the other banks empty.
  • Page 21 Installation In order to install a memory upgrade you must: 1. Take suitable anti-static precautions as described earlier. 2. Obtain access to the system board as described in your Owner’s Handbook . The SIMM connectors are located on the right side of the system board just behind the floppy drive bezel as shown in the illustration below.
  • Page 22 Removing SIMMs If you wish to install an upgrade in a pair of SIMM sockets which are already occupied you must first remove the existing SIMMs. Starting with the SIMM nearest the rear of the system unit and working towards the front: 1.
  • Page 23 Inserting SIMMs From the table of possible SIMM combinations decide which SIMM capacity will be installed in each bank. Then, working from the socket nearest the front of the system unit towards the rear, install the SIMMs. To fit a SIMM: 1.
  • Page 24 7. Rotate the SIMM into the vertical position by pushing gently on the top corners. 8. If the SIMM is properly located the SIMM should remain in position held by the securing clips, and with a small plastic lug through the holes on either side of the SIMM.

  • Page 25: Installing An 80387Sx

    Installing an 80387SX 1. Take suitable anti-static precautions, as described earlier. 2. Obtain access to the system board as described in your Owner’s Handbook . 3. Identify the 80387SX socket and locate pin 1 on the system board as shown in the following illustration. 80387SX PIN 1 80387SX...

  • Page 26: Thick Wire Ethernet

    Thick wire Ethernet The Apricot LS Pro can be fitted with a thick wire Ethernet assembly. If you bought an LS Pro without a thick wire Ethernet assembly you can install one as follows. 1. Take suitable anti-static precautions, as described earlier.
  • Page 27 5. Lower the thick wire Ethernet assembly into place as shown in the following illustration, and secure it with the screw that secured the blanking plate. Note The thick wire Ethernet connector mounting plate must be touching the inside of the system unit plastics.

  • Page 28: Token-Ring Rpl Rom

    Token-Ring RPL ROM The LS Pro Token-Ring network module has a socket for an RPL (Remote Program Load) ROM. With the ROM installed the computer has the ability to remote boot. Information about remote booting is included in your Owner’s Handbook . Note If your LS Pro is equipped with a Token-Ring network module it may already be fitted with an RPL ROM.
  • Page 29 The ROM chip has a positioning notch which must correspond with the positioning guide on the socket. 4. Identify the RPL ROM socket and its positioning guide as shown in the following illustration. POSITIONING MARK SYSTEM TOKEN-RING BOARD MODULE SOCKET 5.

  • Page 30: Token-Ring Module

    Token-Ring module will replace the thick wire Ethernet module. Approved SIMMs The Apricot LS Pro system board uses pairs of standard 9- bit, 1 or 4 Mbyte, 60nS SIMMs. The following list identifies the SIMMs that have been tested and approved for use in LS Pro by Apricot.
  • Page 31 APRICOT COMPUTERS LIMITED 3500 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS. MITSUBISHI ELECTRIC Part No 15146931 Revision No 01...

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