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HEWLETT-PACKARD
CONFIDENTIAL
DIO BUS SPECIFICATION
VERSION 1.0
APRIL 1 6, 1984
HP DRAWING NO: 5955-7669
DOCUMENT CONTROL
CHANGES'TO"THIS DOCUMENT SHOULD BE .
COORDINATED THROUGH THE RND R&D LAB.,
DISTRIBUTION
THIS DOCUMENT IS DISTRIBUTED BY THE
RND R&D LAB.
010 BUS SPECIFICATION
PRINTING HISTORY
First draft: December 14, 1982
Second draft: March 27, 1983
Version 1.0: April 16, 1984
Copyright ~ Hewlett-Packard Co. 1984
This material contains proprietary information protected by
copyright laws. Any reproduction, photocopying or translation of
any portion of this document to any foreign or computer language
without the expressed written consent of Hewlett-Packard Company
is forbidden.
HP CONFIDENTIAL -- Version 1.0
DIO BUS SPECIFICATION
TABLE OF CONTENTS
CHAPTER 1 FOREWARD . . . 1
CHAPTER 2 INTRODUCTION
2.1 OBJECTIVES OF THE DIO BUS SPECIFICATION. . 2
2.2 PROCEDURE FOR RESOLVING CHANGES. . . . 3
2.3 WHAT IS NOT COVERED IN THIS DOCUMENT . 3
2.4 RECOMMENDED DESIGN METHODOLOGY. 4
CHAPTER 3 DIO BUS BACKGROUND INFORMATION
3.1 SPECIFICATION TERMINOLOGY. 5
3.2 INTERFACE SYSTEM ELEMENTS. 6
3.3 BUS SUBSYSTEMS . . . . . 8
3.4 BUS TIMING BACKGROUND . . . 9
CHAPTER 4 I/O MEMORY MAP AND I/O CARD REGISTERS
4.1 SERIES 200 MEMORY MAP . .