ISO/IEC INTERNATIONAL STANDARD 9318-2 First edition 1990-12-15 Information technology - Intelligent Peripheral Interface Part 2: Device specific command set for magnetic disk drives Technologies de I'information-Interface pourles peripheriques intelligents Partie 2: Jeu de commandes specifiques appareil pour les unites disques magnetiques Referencenumber ISO/IEC 9318-2 : 1990 (E) ISO/IEC9318-2:1990(E) Contents Page 1 Scope 2 Normative references 3 3 Definitions and conventions 4 3.1 Definitions 3.2 Conventions 4General description 6 4.1 Application environment 6 4.2 Logical Interface characteristics 6 4.2.1 SiaveControl 6 4.2.2Information transfer 6 4.2.3Datatransfers 6 4.2.4 Format Control 4.3Responsibility 6 4.3.1Master 6 4.3.2 Slave 5 Physical InterfaceConsiderations 1 5.1 Information transfer 5.1.1 OctetMode 5.1.2 TransferMode 5.1.3Termination of transfers 5.1.4 Data streaming.. 5.2Bus Octets 8 5.2.1 UnsupportedBus Octets 5.2.2 BusControlOctet 8 5.2.3 Mastcr Status Octct S 5.2.4 Slave StatusOctet 5.2.5 Request Interrupts Octet 5.2.5.1 Types of Interrupts 5.2.5.1.1Class1CommandCompletionInterrupt 5.2.5.1.2Class2RPsInterrupt 10 5.2.5.1.3Class 3Status Pending Interrupt at 5.2.6Address OctetResponse 10 5.2.7 Selective Reset Octet 10 5.2.8SelectionOctet 1:1 5.2.9RcquestTransferSettingsOctct I1 5.2.10 Slave Transfer Settings Oclet 11 11 5.2.11RequestSlaveInterruptsOctet 12 5.2.12SlaveInterrupts Octet 5.3 ATTENTIONIN signal 12 6 SlaveFunctions 13 339 6.1DiskFormat 6.1.1Format1-FixedBlock Format 13 6.1.1.1 Fixed Block Hard Sector 33 6.1.1.2 Fixed Block Soft Sector 6.1.2Format2-VariableBlockFormat 13 6.1.3FormatControl ?ISO/IEC1990 All rights rescrved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. ISO/IEC Copyright Office·Case postale 56.CH-1211 Geneve 20.Switzerland Printed in Switzerland ii Device specific command set for magnetic disk drives ISO/IEC9318-2:1990(E) 6.2FormatSpecification 14 6.2.1 Format initialization 14 6.2.2 Manufacturer'sFormat Specification 14 555 6.2.3FixcdBlockmode. 6.2.3.1 FixedBlockFormatSpecification 6.2.3.1.1Numberof octets. 6.2.3.1.2 Format Type Code 15 6.2.3.1.3FlagOctet 15 6.2.3.1.4Numberof sectorspertrack 16 6.2.3.1.5Numberofphysicaloctetspersector 16 6.2.3.1.6 Number of octets to be skipped during header verily 16 6.2.3.1.7 Number of fields per sector 16 6.2.3.1.8Numberofoctetsperfield 6.2.3.1.9MasterTurnaroundDelay 16 6.2.4VariableBlockMode 17 6.2.4.1 VariableBlock Format Specification 17 17 6.2.4.1.1Numberofoctets 6.2.4.1.2 Format Type code 6.2.4.1.3FlagOctet 6.2.4.1.4 Cell length 17 6.2.4.1.5 RPS Divisions pcr track 17 6.2.4.1.6 Index Mark Gap length 18 6.2.4.1.7 Home Field Data Segment length 6.2.4.1.8 Home Field Gap length . 18 6.2.4.1.9 Home Field Skip Length 18 18 6.2.4.1.10 Home Field retries 6.2.4.1.11 Header Field Data Segment length 18 6.2.4.1.12 Header Field Gap length 18 6.2.4.1.13 Data Field Gap length 18 6.2.4.1.14 Defect Skip Scgment length 18 6.3 Slavc conditions 19 6.4 Dual Port (optional) 20 6.4.1PortEnable/Disable 20 6.4.2 Slave Accessibility mode 20 6.4.2.1 Switching 6.4.2.2Switchmcchanism 6.4.3 Notification of alternate port condition exception 6.4.4Atlention 6.5Resct 6.5.1 Exicrnal Reset 6.5.2 Internal Reset. 6.6 Head Control 6.7 Rotational Position Sensing (RPS) (optional) 6.7.1RPSTargetSectorAddress 6.7.2RPS Interrupt.. 6.8 SlaveECC (optional) 6.9 Powcr Sequencing (optional) 7Bus Controls 7.1Command/ResponseControls 7.1.1 Load Slave Function (01) 7.1.1.1 Reserved for future use (00-0F) 7.1.1.2 Disable Alternate Port (i0) (optional) 7.1.1.3EnableAlternatePort(11)(optional) 7.1.1.4 DisablePort (12) (optional) 7.1.1.5 Priority Reserve (13) (optional) 7.1.1.6 Reserve (14) (optional) 7.1.1.7 Release (15) (optional) 7.1.1.8Notifyalternateportofformat completion (16)(optional) ili Device specific command set for magnetic disk dri