Working Draft Project American National T13/2015 …

1 Working Draft ProjectAmerican NationalT13/2015-DStandardRevision 1aMarch 2, 2009 Information technology -ATA/ATAPI Command Set - 2 (ACS-2)This is a Draft proposed American National Standard of Accredited standards Committee INCITS. As such this is not a completed standard. The T13 Technical Committee may modify this document as a result of comments received during public review and its approval as a standard. Use of the information contained here in is at your own is granted to members of INCITS, its technical committees, and their associated task groups to reproduce this document for the purposes of INCITS standardization activities without further permission, provided this notice is included.

2 All other rights are reserved. Any commercial or for-profit replication or republication is Technical Editor: Curtis E. StevensWestern Digital Technologies, Lake Forest Forest, Ca. 92630 USAT elephone:949-672-7933 Email: numberISO/IEC xxxx-xxx:200xANSI INCITS xxx-200xT13/2015-D Revision 1aMarch 2, 2009iiWorking Draft ATA/ATAPI Command Set - 2 (ACS-2)Points of ContactT13 ChairT13 Vice-ChairDan ColgroveJim HatfieldHitachi Global Storage TechnologiesSeagate Technology2903 Carmelo Dr389 Disc DriveHenderson, NV 89502 Longmont CO 80503 Tel:702-614-6119 Tel:720-684-2120 Fax:702-614-7955 Fax:720-684-2766 INCITS SecretariatINCITS SecretariatTel: 202-737-88881250 Eye Street, NW Suite 200 Fax: 202-638-4922 Washington, DC 20005 Email.

3 ReflectorSee the T13 Web Site at for reflector Web FTP (see for login information)Document DistributionINCITS Online by Techstreet Telephone: 1-734-30?..?8011327 Jones Drive or 1-800-699-9277 Ann Arbor, MI 48105 Facsimile: 1-734-302-7811orGlobal Engineering Inverness Way East Telephone: 1-303-792-2181 Englewood, CO 80112-5704 or 1-800-854-7179 Facsimile: 1-303-792-2192 American National Standardfor Information TechnologyMarch 2, 2009 T13/2015 -D Revision 1aWorking Draft ATA/ATAPI Command Set - 2 (ACS-2)iiiSecretariatInformation Technology Industry CouncilApproved National standards Institute, standard specifies the AT Attachment command set used to communicate between host systems and storage devices.

4 This provides a common command set for systems manufacturers, system integrators, software suppliers, and suppliers of storage devices. The AT Attachment command set includes the PACKET feature set implemented by devices commonly known as ATAPI devices. This standard maintains a high degree of compatibility with the AT Attachment Interface with Packet Interface - 7 (ATA/ATAPI-7) volume 1 (see ANSI INCITS 397-2004).DraftDraftT13/2015-D Revision 1aMarch 2, 2009ivWorking Draft ATA/ATAPI Command Set - 2 (ACS-2)Published byAmerican National standards Institute11 W. 42nd Street, New York, New York 10036 Copyright 2007 by Information Technology Industry Council (ITI).

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8 If no patents have been disclosed place the statement in shall be used. If any patents have been disclosed place the statement in shall be 2, 2009 T13/2015 -D Revision 1aWorking Draft ATA/ATAPI Command Set - 2 (ACS-2)vDocument StatusDocument e06122 is the issues list for this Draft . e06122 contains a list of the issues associated with the document, an issue number that remains assigned to the issue for the life of document development, a resolution to the issue, an owner for the issue, and a disposition for the issue. All major changes associated with this Draft starting with Rev 3b are first documented in e06122 and given a number.

9 This includes proposals which are targeted for inclusion into this Draft . This text which is highlighted in green may affect backward History (part 1 of 3)RevDateDescription0 September 16, 20081) Initial revision created from ATA8-ACSr6a1 December 17, 20081) Added ACS2 column to historical tables in Annex B2) Removed asterisks from command matrix in Annex B and changed footnote to reference ) Implemented issue #34 - changed all ranges to be .. instead of x-y, x to y, and x - ) Implemented issue #50 - incorporated e08122r1. Made a wording changes because ACS refers to log address names, not the address/page ) Implemented issue #8 - incorporated e07154r6, Data Set Management.

10 Resources Assigned: IDENITFY DEVICE data word 169, DCO IDENTIFY/SET word 21 bit 10, and Opcode ) Implement issue #18 - incorporate e07123r4, Request Sense for ATA. Resources Assigned: IDENTIFY DEVICE data words 119 and 120 bit 6, SET FEATURES subcommand C3h, and Opcode 0Bh. Marked this feature set as prohibited for ATAPI devices. Although the proposal marked the device field reserved, the legacy definition was inserted. Marked this as executable in the secutiry table7) Implement issue #52 - Incorporate e08130r1, OEM ID String. Resources assigned: IDENTIFY DEVICE data words ) Implemented issue #61.