Copyright (©) 1996 Texas Instruments Incorporated
All Rights Reserved — Printed in U.S.A.
Extensa 51x Series Notebook Computers
Maintenance Manual
TI Part No. 9811755-0001
Original Issue: April 1996
Changes may be made periodically to the information in this publication.
Such changes will be incorporated in new editions of this manual.
No part of this publication may be reproduced, stored in a retrieval system,
or transmitted, in any form or by any means, electronic, mechanical, photo-
copy, recording, or otherwise, without the prior written permission of Texas
Instruments Incorporated.
The equipment, as well as the programs that TI has created to use with
them, are tools that can help people better manage the information used in
their business; but tools — including TI products — cannot replace sound
judgment nor make the manager’s business decisions.
Consequently, TI cannot warrant that its products are suitable for any spe-
cific customer application. The manager must rely on judgment of what is
best for his or her business.
Address all correspondence regarding orders to:
Texas Instruments Incorporated
P.O. Box 6102, M/S 3255
Temple, Texas 76503
Extensa is a trademark of Texas Instruments.
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PS/2 is a registered trademark, and IBM, AT and VGA are trademarks of
International Business Machines Corporation.
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IRDA is a trademark of Infra Red Data Association.
SimulSCAN and Cirrus are trademarks of Cirrus Logic, Inc.