IEC SO/IEC 17760-103 ISO Edition 1.0 2021-06 NTERNATIONAL STANDARD colour inside Information technology - AT attachment . Part 103: ATA/ATAPI Command Set - 3 (ACS-3) ISO/IEC 17760-103:2021-06(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2021 ISO/IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, 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 inwriting from isO/lEc copyright or have an enquiry about obtaining additionai rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue deVarembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latestedition,acorrigendumoranamendment mighthavebeenpublished IECpublicationssearch-webstore.iec.ch/advsearchform IEC online collection -oc.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the variety ofcriteria(reference number, text,technical publications previews. With a subscription you will always committee, ...). It also gives information on projects, replaced have access to up to date content tailored to your needs. and withdrawn publications. Electropedia-www.electropedia.org IECJustPublished-webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology, containing more than 22 000 terminoiogical entries in English details all new publications released. Available online and and French, with equivalent terms in 18 additional languages. once a month by email. Alsoknownas theInternational Electrotechnical Vocabulary (IEV) online. IECCustomerServiceCentre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or needfurtherassistance,pleasecontact the Customer Service Centre:[email protected]. IEC ISO S0/IEC17760-103 Edition 1.0 2021-06 INTERNATIONAL STANDARD colour inside Information technology - AT attachment - Part 103: ATA/ATAPI Command Set -3 (ACS-3) INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS35.200 ISBN 978-2-8322-9827-5 Warning! Make sure that you obtained this publication from an authorized distributor. 2 ISO/IEC 17760-103:2021 @ ISO/IEC 2021 CONTENTS FOREWORD. 16 INTRODUCTION .18 1 Scope ..20 2 Normative references . ..20 3 Terms, definitions, abbreviations, and conventions .21 Terms and definitions .... .21 3.2 3.2.1 Abbreviations 30 3.2.2 Units: .31 3.2.3 Mathematical operators: .31 3.2.4 Other Symbols 31 3.3 Conventions ... 3.3.1 Overview 31 3.3.2 Precedence ..32 3.3.3 Lists ..32 3.3.4 Keywords 33 3.3.5 Numbering . 34 3.3.6 Bit conventions 35 3.3.7 Number range convention .. 3.3.8 State diagram conventions .35 3.3.9 Byte, word, DWord, QWord, and DQWord Relationships .37 3.3.10 ATA string convention .... ..38 3.3.11 Offset Convention 39 4 Feature set definitions .. .40 4.1 Overview..... .40 4.1.1 Feature set summary 4.1.2 Capacity reporting 41 4.2 General feature set .. 42 4.3 The PACKET feature set ... 42 4.3.1 Overview ......... 42 4.3.2 Identification of PACKET feature set devices 43 4.3.3 Signature for ATAPI devices 43 4.3.4 ThePACKETcommand 43 4.4 48-bit Address feature set.... 43 4.5 Accessible Max Address Configuration feature set .. 44 4.5.1 Overview .. 4.5.2 4.5.3 Device Statistics data 44 4.6 Advanced Power Management (APM) feature set .44 4.7 CompactFlash Association (CFA) feature set... 45 4.8 Device Statistics Notification (DSN) feature set. 45 4.8.1 Overview. 45 4.8.2 DSN notifications .... 46 4.8.3 ..46 4.9 Extended Power Conditio