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Working Draft Project

American National T13/2015-D

Standard

Revision 2

August 3, 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 risk.

Permission 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. All other rights are reserved. Any commercial or for-profit replication or

republication is prohibited.

T13 Technical Editor: Curtis E. Stevens

Western Digital Technologies, Inc.

20511 Lake Forest Dr.

Lake Forest, Ca. 92630

USA

Telephone:949-672-7933

Email: Curtis.Stevens@wdc.com

Reference number

ISO/IEC xxxx-xxx:200x

ANSI INCITS xxx-200x

T13/2015-D Revision 2 August 3, 2009

iv Working Draft ATA/ATAPI Command Set - 2 (ACS-2)

Published by

American National Standards Institute

11 W. 42nd Street, New York, New York 10036

No part of this publication may by reproduced in any

form, in an electronic retrieval system or otherwise,

without prior written permission of ITI, 1250 Eye Street NW, Suite 200,

Washington, DC 20005.

Printed in the United States of America

American

National

Standard

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requirements for due process, consensus, and other criteria for approval have been met by

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Board of Standards Review, substantial agreement has been reached by directly and

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The American National Standards Institute does not develop standards and will in no

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The patent statement goes here.

If no patents have been disclosed place the statement in 5.5.2 shall be used.

If any patents have been disclosed place the statement in 5.5.3 shall be used.

August 3, 2009 T13/2015-D Revision 2

Working Draft ATA/ATAPI Command Set - 2 (ACS-2) v

Document Status

Document e07172 is the issues list for this draft. e07172 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

are first documented in e07172 and given a number. This includes proposals which are targeted for inclusion

into this draft. This text which is highlighted in green may affect backward compatibility.

Revision History (part 1 of 5)

Rev Date Description

0 September 16, 2008 1) Initial revision created from ATA8-ACSr6a

1 December 17, 2008 1) Added ACS2 column to historical tables in Annex B

2) Removed asterisks from command matrix in Annex B and changed

footnote to reference ATA8-ACS.

3) Implemented issue #34 - changed all ranges to be “..” instead of x-y, x to

y, and x - y.

4) Implemented issue #50 - incorporated e08122r1. Made a wording

changes because ACS refers to log address names, not the

address/page numbers.

5) Implemented issue #8 - incorporated e07154r6, Data Set Management.

Resources Assigned: IDENTIFY DEVICE data word 169, DCO

IDENTIFY/SET word 21 bit 10, and Opcode 06h.

6) 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 security table

7) Implement issue #52 - Incorporate e08130r1, OEM ID String. Resources

assigned: IDENTIFY DEVICE data words 170..173

8) Implemented issue #61. Added SCT Read Long to the definition of read

command.

9) Implemented issue #30 - incorporate e08106r10. This updated the

Device Statistics overview and provides a statistics directory.

10) Implemented issue #24 - Incorporate e08128r1. This adds an acronym

list. Stole heading name and text from SAS2r14d.

11) Implemented issue #63 - Add the definition of User Data. The definition

of User Data Area should follow in a later revision.

12) Implemented issue #60 - The READ PIO and READ DMA error tables

appear to be the same. This was the result of adding ICRC to PIO

commands.

13) Implement issue #29 - Incorporate e08108r2. This adds CFast Device

as a new device type.

14) Implemented issue #11 - Incorporate e06182r8. This adds Free Fall

device statistics as page 2.

15) Updated the General Statistics page 1 to follow the template used for

Free Fall. Assigned log address 04 page 02h for Free Fall statistics.

16) Implemented issue #9 - Incorporate e06180r10. This adds general

usage statistics. Took a meeting vote which passed 7:0:5 to add this to

page 1 (general statistics). Active/Idle Power Loss Events were

described in the text and removed from the table. Change rotating

media usage statics to rotating media statistics. Assigned log address

04h page 03h for rotating media statistics.

17) Implemented issue #10 - Incorporate e06181r12. Assigned log address

4 page 03h for General Error Statistics

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猫猫不怕浪

2023-05-09

没有中文，就是英文协议，2009年的。

tsyflx

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