Developer Note

PowerBook 1400 Computer

PowerBook 1400 c

PowerBook 1400 cs

Developer Note

© Apple Computer, Inc. 1995, 1996

Apple Computer, Inc.

© 1996 Apple Computer, Inc.

All rights reserved.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, mechanical, electronic, photocopying, recording, or otherwise, without prior written permission of Apple Computer, Inc., except to make a backup copy of any documentation provided on CD-ROM. Printed in the United States of America.

The Apple logo is a trademark of Apple Computer, Inc.

Use of the “keyboard” Apple logo (Option-Shift-K) for commercial purposes without the prior written consent of Apple may constitute trademark infringement and unfair competition in violation of federal and state laws.

No licenses, express or implied, are granted with respect to any of the technology described in this book. Apple retains all intellectual property rights associated with the technology described in this book. This book is intended to assist application developers to develop applications only for Apple-labeled or Apple-licensed computers.

Every effort has been made to ensure that the information in this manual is accurate. Apple is not responsible for printing or clerical errors.

Apple Computer, Inc.

1 Infinite Loop

Cupertino, CA 95014

408-996-1010

Apple, the Apple logo, AppleLink, Apple SuperDrive, AppleTalk, LaserWriter, LocalTalk, MacTCP, Macintosh, PowerBook, and Power Macintosh are trademarks of Apple Computer, Inc., registered in the United States and other countries.

Finder, Mac, and QuickDraw are trademarks of Apple Computer, Inc. Adobe, Adobe Photoshop, and PostScript are trademarks of Adobe Systems Incorporated, which may be registered in certain jurisdictions. DECnet is a trademark of Digital Equipment Corporation.

Helvetica and Palatino are registered trademarks of Linotype Company.

ITC Zapf Dingbats is a registered trademark of International Typeface Corporation.

NuBus is a trademark of Texas Instruments.

PowerPC is a trademark of International Business Machines Corporation, used under license therefrom.

SoftWindows is a trademark used under license by Insignia from Microsoft Corporation.

UNIX is a registered trademark of Novell, Inc. in the United States and other countries, licensed exclusively through X/Open Company, Ltd.

Simultaneously published in the United States and Canada.

LIMITED WARRANTY ON MEDIA AND REPLACEMENT

If you discover physical defects in the manual or in the media on which a software product is distributed, ADC will replace the media or manual at no charge to you provided you return the item to be replaced with proof of purchase to ADC.

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 vii

Preface About This Developer Note ix
Contents of This Note ix
Supplemental Reference Documents x
Apple Publications x
Other Publications xi
Conventions and Abbreviations xi
Typographical Conventions xi
Standard Abbreviations xii
Chapter 1 Introduction 1
Features 2
New Features 2
Modified Features 2
Unchanged Features 3
Appearance 4
Configurations 5
Peripheral Devices 6
Chapter 2 Architecture 7
Devices on the Processor Bus 8
Main Processor 8
RAM 9
ROM 10
PBX Memory Controller IC 10
Memory Control 10
Bus Bridge 10
Devices on the I/O Bus 10
Whitney Peripheral Support IC 11
Combo IC 12
Singer IC 12
Power Manager IC 12
Display Controller IC 12
Video Card Connector 12

Baboon Custom IC 13
Floppy Disk Controller IC 13
TREX Custom IC 13
Chapter 3 I/O Features 15
Internal IDE Hard Disk Drive 16
Hard Disk Specifications 16
Hard Disk Connector 17
Signal Assignments 18
IDE Signal Descriptions 19
Trackpad 20
Keyboard 20
Flat Panel Display 22
Flat Panel Display Circuitry 22
Number of Colors 22
Serial Port 23
SCSI Port 23
ADB Port 24
Infrared Link 25
Sound System 26
Sound Inputs 26
Sound Outputs 27
Chapter 4 Expansion Modules 29
Expansion Bay 30
Expansion Bay Module for Floppy Disk 30
Expansion Bay Module for CD-ROM 32
Expansion Bay Connectors 34
Signals on the Floppy Disk Connector 34
Signals on the CD-ROM Connector 36
Unused Signals 39
User Installation of an Expansion Bay Module 39
Sequence of Control Signals 39
Guidelines for Developers 40
RAM Expansion Cards 40
Electrical Design Guidelines for the RAM Expansion Cards 41
Connector Pin Assignments 41
Signal Descriptions 43
Address Multiplexing 44
RAM Banks 46
RAM Bank Selection 46
DRAM Device Requirements 47

RAM Expansion Card Electrical Limits 48
Mechanical Design of the RAM Expansion Cards 49
Design of the User-Installed RAM Card