CAN CSA-ISO IEC 14776-452-2006 Information technology – Small computer system interface (SCSI) – Part 452 Primary Commands-2 (SPC-2).pdf

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1、 INTERNATIONAL STANDARD ISO/IEC14776-452First edition2005-08Information technology Small computer system interface (SCSI) Part 452: Primary Commands-2 (SPC-2) Reference number ISO/IEC 14776-452:2005(E) National Standard of CanadaCAN/CSA-ISO/IEC 14776-452:06(ISO/IEC 14776-452:2005)International Stand

2、ard ISO/IEC 14776-452:2005 (first edition, 2005-08) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 14776-452:06, which has been approved as aNational Standard of Canada by the Standards Council of Canada.ISBN 1-55436-365-9 December 2006 International Organization for Stan

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35、s Council of CanadaNational Standard of CanadaPublished in December 2006 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at www.ShopCSA.caCAN/CSA-ISO/IEC 1

36、4776-452:06Information technology Small computer system interface(SCSI) Part452: Primary Commands-2 (SPC-2)Prepared by InternationalOrganizationforStandardization/ International Electrotechnical CommissionReviewed byCAN/CSA-ISO/IEC 14776-452:06Information technology Small computer systeminterface(SC

37、SI) Part452: Primary Commands-2 (SPC-2)December 2006 Canadian Standards Association CSA/3CAN/CSA-ISO/IEC 14776-452:06Information technology Small computer system interface(SCSI) Part452: Primary Commands-2 (SPC-2)CSA PrefaceStandards development within the Information Technology sector is harmonized

38、 with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO

39、 member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).At the time of publication, ISO/IEC 14776-452:2005

40、is available from ISO and IEC in English only. CSA will publish the French version when it becomes available from ISO and IEC.This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in

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45、all toll-free 1-800-463-6727 or 416-747-4044.INTERNATIONAL STANDARD ISO/IEC14776-452First edition2005-08Information technology Small computer system interface (SCSI) Part 452: Primary Commands-2 (SPC-2) ISO/IEC 2005 All rights reserved. Unless otherwise specified, no part of this publication may be

46、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 Genve 20 Switzerland XF For price, see current cataloguePRICE CODE 14776-452 ISO/IEC:

47、2005(E) - 3 -ContentsPageForeword. 13Introduction . 141 Scope. 172 Normative references. 172.1 General. 172.2 Approved references 172.3 References under development . 173 Definitions, symbols, abbreviations, and conventions . 183.1 Definitions. 183.2 Acronyms 233.3 Keywords 243.4 Conventions 253.5 N

48、otation for procedures and functions 264 General concepts 274.1 Introduction. 274.2 The request-response model 274.3 The Command Descriptor Block (CDB) 274.3.1 CDB usage and structure 274.3.2 The fixed length CDB formats . 284.3.3 The variable length CDB formats 304.3.4 Common CDB fields 314.3.4.1 O

49、peration code . 314.3.4.2 Service action . 314.3.4.3 Logical block address . 324.3.4.4 Transfer length . 324.3.4.5 Parameter list length. 324.3.4.6 Allocation length . 324.3.4.7 Control 325 Model common to all device types. 335.1 Introduction to the model common to all device types 335.2 Commands implemented by all SCSI device servers. 335.2.1 Summary of commands implemented by all SCSI device servers 335.2.2 Using the INQUIRY command. 335.2.3 Using the REQUEST SENSE command . 335.2.4 Using the TEST UNIT READY command 335.3 Parameter round