RF11/RS11 DECdisk System Manual

DEC-ll-HRFB-D RFll/RSll DECdisk system manual DIGITAL EQUIPMENT CORPORATION * MAYNARD, MASSACHUSETTS 1st Edition March 1971 2nd Printing (Rev) August 1971 Copyright © 1971 by Digital Equipment Corporation The material in this manual is for information purposes and is subject to change without notice. The following are trademarks of Digital Equipment Corporation, Maynard, Massachusetts: DEC PDP FLIP CHIP FOCAL DIGITAL COMPUTER LAB UNIBUS CONTENTS CHAPTER 1 RFll/RSll GENERAL DESCRIPTION 1.1 Introduction 1.2 Functional Description 1.2.1 RSll Disk Unit 1.2.2 RFll Control Unit 1.3 Specifications 1.3.1 Physical Description 1.3.2 Environmental Limits 1.3.3 Logic Format 1.3.4 Timing Format 1.3.5 Power Requirements 1.3.6 Power Dissipation 1.4 Related Documents CHAPTER 2 RFll/RSll OPERATION 2.1 Introduction 2.2 Controls and Indicators 2.2.1 2.2.2 2.2.3 Power Control CHAPTER 3 PROGRAMMING 3.1 Introduction 3.2 Device Registers 3.2.1 Disk Control Status Register (DCS - 777460) 3.2.2 Word Count Register (WC = 777462) 3.2.3 Current Memory Address Register (CM A = 777464) 3.2.4 Disk Address Register (DAR = 777466) 3.2.5 Disk Address Ext & Error Register (DAE = 777470) 3.2.6 Disk Data Buffer Register (DBR = 777474) 3.2.7 Maintenance Register (MAR = 777474) 3.2.8 Address of Disk Segment Register (ADS = 777476) 3.3 Addresses 3.4 Data Forma…