Mitsubishi Electric apricot FTs 486 User Manual Download

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apricot

FTs 486

ADD-ON INSTALLATION GUIDE

MITSUBISHI ELECTRIC

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Summary of Contents for apricot FTs 486

Page 1: ...apricot FTs 486 ADD ON INSTALLATION GUIDE MITSUBISHI ELECTRIC ...

Page 2: ...anual is furnished under a license agreement The software may be used or copied only in accordance with the terms of this agreement It is against the law to copy any disk supplied for any purpose other than the purchaserÕs personal use All rights reserved no use or disclosure without written consent Copyright Apricot Computers Limited 1992 Published by Apricot Computers Limited 3500 Parkside Birmi...

Page 3: ...1 Contents Introduction 2 Anti static precautions 3 Power down procedure 4 Power up procedure 5 Removing the left side panel 6 Adapter cards 7 Installing memory modules 9 CPU module upgrade 14 ...

Page 4: ...ade you may wish to have your supplier or service organisation install it for you Before you start installing the upgrade you should be thoroughly familiar with all the relevant instructions in this guide Warning Never carry out any work on the equipment with power applied Always switch off at the mains isolate the batteries and remove the power lead from the equipment before starting work At the ...

Page 5: ...erely shorten their working life therefore you should always take preventative measures No work should be carried on any item unless it is in a Special Handling Area SHA as defined in BS CECC 00015 Part 1 In general this involves a common earth point an earthed bench or bench mat an earthed wrist strap Note An anti static stud is provided on the rear panel of the Apricot FTs ...

Page 6: ...the system can be powered down 1 Push the STANDBY button 2 Confirm by pushing the button under the Y on the LCD display 3 Isolate the internal UPS battery by setting the BATTERY ISOLATION switch to the 0 position 4 Isolate the FTs from any auxiliary external battery supply 5 Unplug the mains power supply ...

Page 7: ...ation switch is in the 0 position 2 Connect the FTs to any auxiliary external battery supply 3 Plug in the mains power supply 4 Set the BATTERY ISOLATION SWITCH to the 1 position 5 Push the POWER button 6 Perform any required power on security procedure ...

Page 8: ...re the motherboard and power distribution board are located To remove the side panel CASING SCREWS 1 Power the system down 2 Unlock the security lock on the rear panel 3 Unscrew the two thumbscrews 4 Swing the rear of the panel away from the system unit until the rear flanges are clear of the system unit 5 Support the front of the panel and pull it rearwards to free it from the pegs Replacement is...

Page 9: ...annel Matched Memory Extension The exception is slot 1 It includes the Matched Memory extension but is also fitted with an additional extension This is reserved for future use and slot 1 must not be used for an XGA card If you wish to install an XGA card it should be installed in slot 4 5 7 or 8 In order to simplify cabling between drive controllers and the drive bay it is recommended that slot 6 ...

Page 10: ...release the thumbscrew 4 Place the adapter card above the required connector making sure that the front edge of the card locates in the appropriate notch in the bridge assembly The following two illustrations show the possible internal layouts 5 Push the card firmly into the connector Do not use excessive force 6 Secure the card by tightening the thumbscrew at the bottom of the rear panel of the c...

Page 11: ...diagrams show the type of SIMM that should be fitted in each slot for each possible memory capacity The memory sockets are labelled MM1 to MM8 note that the sockets are not numbered in sequence TOWARDS REAR OF MACHINE TOWARDS REAR OF MACHINE TOWARDS REAR OF MACHINE 1 MBYTE MODULES 2 MBYTE MODULES 2 MBYTE MODULES 8 Mb 12 Mb 16 Mb 1 MBYTE MODULES TOWARDS REAR OF MACHINE 1 MBYTE MODULES 4 Mb 4 8 3 7 ...

Page 12: ... SIMM sockets are accessible with the left side panel removed To obtain access 1 Take suitable anti static precautions 2 Remove the left side panel 3 Identify the SIMM sockets from the illustration below SIMM SOCKETS SWITCHES ...

Page 13: ...he metal clips on each side of the socket gently away from the SIMM using your thumbnails When the clips are far enough apart the top edge of the SIMM will move forward until the SIMM is at an angle of about 15 3 Taking care to avoid touching any of the components on the SIMM grip the top corners of the SIMM between thumb and first finger and carefully pull the SIMM out of the socket 4 Repeat step...

Page 14: ...hips are facing the rear of the system unit with the metal connector strip nearest the system board 2 Position the SIMM above the socket at an angle of about 15 3 Lower the SIMM towards the socket The right edge of the SIMM will be prevented from reaching the connector by the securing clip 4 Allow the left edge of the SIMM to drop into the connector 5 Push the SIMM gently to the right and lower th...

Page 15: ... either side of the SIMM Once all the SIMMs are installed reset the memory configuration switches to the appropriate setting and reassemble the computer There is a label inside the system unit identifying the switches and the appropriate positions Reboot your computer with the Reference diskette and reconfigure your system for the extra memory Warning Always ensure that the system unit is fully re...

Page 16: ...f a CPU module upgrade is more complex and should only be carried out by competent service personnel A range of 80486 processors are available for the system board fitted in the Apricot FTs Depending on which processor is installed in your system you may be able to upgrade to a more powerful processor Consult your supplier ...

Page 17: ...apricot MITSUBISHI ELECTRIC APRICOT COMPUTERS LIMITED 3500 PARKSIDE BIRMINGHAM BUSINESS PARK BIRMINGHAM B37 7YS Part No 15033931 Revision 01 ...

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