Parallel Port Complete - Jan Axelson.pdf

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Parallel Port
Complete
Programming, Interfacing, & Using
the PC’s Parallel Printer Port
Jan Axelson
Lakeview Research
Madison, WI 53704
copyright 1996, 1997, 1999, 2000 by Jan Axelson. All rights reserved.
Published by Lakeview Research
Lakeview Research
5310 Chinook Ln.
Madison, WI 53704
USA
Phone: 608-241-5824
Fax: 608-241-5848
Email: info@lvr.com
WWW: http://www.lvr.com
14 13 12 11 10 9 8 7 6 5
Products and services named in this book are trademarks or registered trademarks of their
respective companies. The author uses these names in editorial fashion only and for the
benefit of the trademark owners. No such use, or the use of any trade name, is intended to
convey endorsement or other affiliation with the book.
No part of this book, except the programs and program listings, may be reproduced in any
form, or stored in a database or retrieval system, or transmitted or distributed in any form,
by any means, electronic, mechanical photocopying, recording, or otherwise, without the
prior written permission of Lakeview Research or the author, except as permitted by the
Copyright Act of 1976. The programs and program listings, or any portion of these, may
be stored and executed in a computer system and may be incorporated into computer pro-
grams developed by the reader.
The information, computer programs, schematic diagrams, documentation, and other
material in this book and the accompanying diskette are provided “as is,” without war-
ranty of any kind, expressed or implied, including without limitation any warranty con-
cerning the accuracy, adequacy, or completeness of the material or the results obtained
from using the material.
Neither the publisher nor the author shall be responsible for any
claims attributable to errors, omissions, or other inaccuracies in the material in this book
and the accompanying diskette. In no event shall the publisher or author be liable for
direct, indirect, special, incidental, or consequential damages in connection with, or aris-
ing out of, the construction, performance, or other use of the materials contained herein.
ISBN 0-965081-966
Manufactured in the United States of America
Table of Contents
Introduction ix
1
Essentials 1
Defining the Port 1
Port Types
System Resources 4
Addressing
Interrupts
DMA Channels
Finding Existing Ports
Configuring 6
Port Options
Drivers
Adding a Port
Port Hardware 9
Connectors
The Circuits Inside
Cables
Multiple Uses for One Port 11
Security Keys
Alternatives to the Parallel Port 13
Serial Interfaces
Parallel Port Complete
iii

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