Acer Extensa 450 Series free download

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Maintenance Manual Extensa 450 Series Notebook Computers 9805725-0001 November 1995 tm Copyright (©) 1995 Texas Instruments Incorporated All Rights Reserved -- Printed in U.S.A. Extensa 450 Series Notebook Computers Maintenance Manual TI Part No. 9805725-0001 Original Issue: November 1995 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, photocopy, 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 judgement nor make the manager's business decisions. Consequently, TI cannot warrant that its products are suitable for any specific customer application. The manager must rely on judgement 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 450, TravelMate, 5000, 4000M, 4000E, 4000 and BatteryPro are trademarks of Texas Instruments Incorporated. The icons in the Windows Notebook and Startup groups are copyrighted by Texas Instruments Incorporated. BitCom and BitFax are trademarks of BIT Software, Inc. Hayes is a registered trademark and SmartModem2400 is a trademark of Hayes MicroComputer Products Inc. IBM, OS/2, AT PS/2, and VGA are trademarks of International Business Machines Corporation. Intel, and IntelDX4 are trademarks of Intel Corporation Lotus is a trademark of Lotus Development Corporation MNP is a registered trademark and Microcom is trademark of Microcom Inc. Microsoft and Windows 95 are trade marks of Microsoft Corporation. Ethernet is a registered trademark of Xerox Corporation. NetWare is a registered trademark of Novell, Inc. UNIX is a registered trademark of American Telephone and Telegraph. SimulSCAN is a trademark of Cirrus Logic, Inc. Contents Preface Section 1 General Description 1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 Product Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.3 International Product Versions. . . . . . . . . . . . . . . . . . . . . . 1-2 1.4 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.4.1 External Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 1.4.2 Touchpad Pointing Device . . . . . . . . . . . . . . . . . . . . . 1-6 1.4.3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 1.4.4 Standard Power Features. . . . . . . . . . . . . . . . . . . . . . 1-8 1.4.5 Wireless Connection With Serial Infrared Port . . . . . . 1-9 1.4.6