ALL IMPLIED WARRANTIES ON THIS MANUAL, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO NINETY (90) DAYS FROM THE DATE OF THE ORIGINAL RETAIL PURCHASE OF THIS PRODUCT. Even though Apple has reviewed this manual, APPLE MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THIS MANUAL, ITS QUALITY, ACCURACY, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS MANUAL IS SOLD “AS IS,” AND YOU, THE PURCHASER, ARE ASSUMING THE ENTIRE RISK AS TO ITS QUALITY AND ACCURACY. IN NO EVENT WILL APPLE BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT OR INACCURACY IN THIS MANUAL, even if advised of the possibility of such damages. THE WARRANTY AND REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHERS, ORAL OR WRITTEN, EXPRESS OR IMPLIED. No Apple dealer, agent, or employee is authorized to make any modification, extension, or addition to this warranty. Some states do not allow the exclusion or limitation of implied warranties or liability for incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Contents Figures and Tables v Preface About This Developer Note vii Contents of This Note vii Supplemental Reference Documents vii Conventions and Abbreviations viii Typographical Conventions viii Abbreviations viii Chapter 1 Delta Guide to the PowerBook 2400c Computer 1 Appearance 2 The Two Models 3 Features 4 RAM Expansion 5 Display 5 PC Card Slot 5 Keyboard 6 Hard Disk Size 7 I/O Expansion 7 Port for Floppy Disk Drive 7 Peripheral Devices 8 System Software 8 Software Modifications 8 Machine Identification 9 Compatibility 9 iv Figures and Tables Chapter 1 Delta Guide to the PowerBook 2400c Computer 1 Figure 1-1 Front view of the computer 2 Figure 1-2 Back view of the computer 3 Figure 1-3 Keyboard layout for model sold in Japan 6 Figure 1-4 Keyboard layout for model sold in the US 6 Table 1-1 Model differences 3 Table 1-2 Feature comparison 4 Table 1-3 Signals on floppy disk drive connector 7 vi PREFACE About This Developer Note This developer note describes the Macintosh PowerBook 2400c computer, a new computer based on the same architecture as the PowerBook 3400 computer but smaller and lighter. This developer note describes only the changes that make the new models different from the PowerBook 3400. For information about the PowerBook 3400, see “Supplemental Reference Documents,” later in this preface. This developer note is intended to help hardware and software developers design products that are compatible with the Macintosh products described here. If you are not already familiar with Macintosh computers or if you would simply like additional technical information, you may wish to read the supplementary reference documents described in this preface. This note is published only in electronic form, as an Adobe™ Acrobat™ PDF (portable document file). The file is available from two sources: n on the World Wide Web at ¦ on the Reference Library Edition of the Developer CD Series, which is distributed as part of the monthly mailing to registered developers. Contents of This Note This note has only one chapter: a delta guide describing the differences between the Macintosh PowerBook 2400c computer and the PowerBook 3400 computer. Because the note is so short, it has no glossary or index. Supplemental Reference Documents For information about the PowerBook 3400 computer, developers should have the developer note for that computer. Adobe Acrobat PDF (portable document file) versions of all developer notes are available on the Developer CD and on the Internet at For a description of the versions of the Mac OS that come with the new models, developers should refer to Technote 1090, “Mac OS 7.6,” and Technote 1096, “System 7.6.1.” The technotes are available on the Technote web site at PREFACE Printed copies of the Technote are available from Field Copy and Printing, telephone 1-415-323-3155. The Technotes are also available on the reference library issues of the Developer CD. For information about the latest version of the PC Card Manager, developers should refer to the PC Card Manager v3.0 SDK. The SDK is available on the March 1997 Reference Library edition of the Developer CD and on the Apple Developer World web site at ftp://ftp.apple.com/devworld/Development_Kits/PC_Card_Manager/ Developers should also have copies of the relevant books of the Inside Macintosh series, available in technical bookstores. Conventions and Abbreviations This developer note uses the following typographical conventions and abbreviations. Typographical Conventions Note A note like this contains infor...