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Notice This manual and any examples contained herein are provided “as is” and are subject to change without notice. Hewlett-Packard Company makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard Co. shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual or the examples herein. Consumer transactions in Australia and the United Kingdom:

The above disclaimers and limitations shall not apply to Consumer transactions in Australia and the United Kingdom and shall not affect the statutory rights of Consumers. © Copyright Hewlett-Packard Company 1995–1996. All rights reserved. Reproduction, adaptation, or translation of this manual is prohibited without prior written permission of Hewlett-Packard Company, except as allowed under the copyright laws. The programs that control this product are copyrighted and all rights are reserved. Reproduction, adaptation, or translation of those programs without prior written permission of Hewlett-Packard Co. is also prohibited.

Portions of the programs that control this product may also be copyrighted by Microsoft Corporation, Adaptec, Inc., Microcom Systems, Inc., SystemSoft Corp. See the individual programs for additional copyright notices. Microsoft, MS, and MS-DOS are registered trademarks and Windows is a trademark of Microsoft Corporation (U.S. patent numbers 4955066 and 4974159). For warranty information, see the Support and Service booklet. Hewlett-Packard Company Mobile Computing Division 1000 N.E. Circle Blvd. Corvallis, OR 97330, U.S.A. Edition History Edition 1 ........................................... March 1996 Edition 2 ........................................

November 1996 This manual is printed on recycled paper. 1-2

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Contents Using OmniBook Accessories ............................... 1-5 Removing Accessory Modules ............................. 1-7 To remove accessories from the center drive bay .............. 1-8 Using the Floppy Drive .................................. 1-9 To install the floppy drive internally ....................... 1-9 To install the floppy drive externally ....................... 1-10 To insert or remove a floppy disk ......................... 1-11 Using the CD-ROM Drive ................................. 1-12 To install the CD-ROM drive ............................. 1-12 To insert or remove a CD ...............................

1-14 To use the CD-ROM drive safely .......................... 1-15 Managing Battery Power ................................. 1-16 To replace the battery ................................. 1-17 To install a high-capacity battery ......................... 1-18 To handle and store the battery safely ...................... 1-19 Installing a New Hard Drive ............................... 1-20 To remove the hard drive .............................. 1-21 To install drive C ..................................... 1-22 To install your OmniBook software ........................ 1-22 Troubleshooting ......................................... 1 - 25 Solving Basic Problems ..................................

1-27 To resolve floppy disk drive problems ...................... 1-27 To resolve CD-ROM drive problems ....................... 1-28 To resolve battery problems ............................. 1-28 To resolve hard drive problems .......................... 1-29 Specifications and Regulatory Information .................... 1-33 Hardware Specifications ................................. 1-35 Regulatory Information .................................. 1-36 U.S.A. ............................................ 1-36 Canada ........................................... 1-37 Japan ............................................ 1-37 Europe ...........................................

1-38 Europe ........................................... 1-39 1-3

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