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1、ANSI INCITS 317-1998 (R2003) (formerly ANSI NCITS 317-1998) for Information Technology AT Attachment with Packet Interface Extension (ATA/ATAPI-4) Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45
2、 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license from IHS -,-
3、,- ANSI NCITS 317-1998 American National Standard for Information Technology AT Attachment with Packet Interface Extension (ATA/ATAPI-4) Secretariat Information Technology Industry Council Approved October 16, 1998 American National Standards Institute, Inc. Abstract This standard specifies the AT A
4、ttachment Interface between host systems and storage devices. It pro- vides a common attachment interface for systems manufacturers, system integrators, software suppliers, and suppliers of intelligent storage devices. It includes the Packet Command feature set implemented by devices commonly known
5、as ATAPI devices. This standard maintains a high degree of compatibility with the AT Attachment-3 Interface (ATA-3), ANSI X3.298-1997, and while providing additional functions, is not intended to require changes to presently in- stalled devices or existing software. Copyright American National Stand
6、ards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license from IHS -,-,- Approval of an American National Standard requires review by ANSI that the requirements for due process,
7、consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgement of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than
8、 a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towards their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, wh
9、ether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American
10、 National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the tit
11、le page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Sta
12、ndards may receive current information on all standards by calling or writing the American National Standards Institute. American National Standard Published by American National Standards Institute, Inc. 11 West 42nd Street, New York, NY 10036 Copyright 1999 by Information Technology Industry Counc
13、il (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America CAUTION: The developers of this standard
14、 have requested that holders of patents that may be re- quired for the implementation of the standard disclose such patents to the publisher. However, nei- ther the developers nor the publisher have undertaken a patent search in order to identify which, if any, patents may apply to this standard. As
15、 of the date of publication of this standard, following calls for the identification of patents that may be required for the implementation of the standard, notice of one or more such claims has been received. By publication of this standard, no position is taken with respect to the validity of this
16、 claim or of any rights in connection therewith. The known patent holder(s) has (have), however, filed a statement of willingness to grant a license under these rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to ob- tain such a license. Details may be obtained
17、from the publisher. No further patent search is con- ducted by the developer or publisher in respect to any standard it processes. No representation is made or implied that this is the only license that may be required to avoid infringement in the use of this standard. Copyright American National St
18、andards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license from IHS -,-,- i Contents Page Forewordv Introduction vii 1Scope 1 2Normative references . 2 2.1Approved references 2
19、 2.2References under development 2 2.3Other references. 2 3Definitions, abbreviations, and conventions . 3 3.1Definitions and abbreviations 3 3.2Conventions 5 4Interface physical and electrical requirements 9 4.1Cable configuration. 9 4.2I/O cable . 10 4.3Electrical characteristics . 10 5Interface s
20、ignal assignments and descriptions. 13 5.1Signal summary 13 5.2Signal descriptions 14 6General operational requirements 19 6.1Command delivery 19 6.2Register delivered data transfer command sector addressing . 19 6.3General feature set. 21 6.4Ultra DMA feature set . 22 6.5PACKET Command feature set
21、24 6.6Overlapped feature set . 25 6.7Queued feature set. 26 6.8Power Management feature set 27 6.9Advanced Power Management feature set. 29 6.10Security Mode feature set. 30 6.11Self-monitoring, analysis, and reporting technology feature set. 34 6.12Host Protected Area feature set . 35 6.13CFA featu
22、re set. 36 6.14Removable Media Status Notification and Removable Media feature sets 37 7Interface register definitions and descriptions 39 7.1Device addressing considerations 39 7.2I/O register descriptions 39 7.3Alternate Status register . 41 7.4Command register 41 7.5Cylinder High register . 42 7.
23、6Cylinder Low register 42 7.7Data register . 43 7.8Data port. 43 7.9Device Control register . 44 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted withou
24、t license from IHS -,-,- ii Page 7.10Device/Head register 45 7.11Error register. 46 7.12Features register. 46 7.13Sector Count register 47 7.14Sector Number register. 47 7.15Status register. 48 8Command descriptions. 52 8.1CFA ERASE SECTORS. 54 8.2CFA REQUEST EXTENDED ERROR CODE 56 8.3CFA TRANSLATE
25、SECTOR 59 8.4CFA WRITE MULTIPLE WITHOUT ERASE 61 8.5CFA WRITE SECTORS WITHOUT ERASE. 63 8.6CHECK POWER MODE. 65 8.7DEVICE RESET . 67 8.8DOWNLOAD MICROCODE . 69 8.9EXECUTE DEVICE DIAGNOSTIC. 71 8.10FLUSH CACHE 73 8.11GET MEDIA STATUS. 75 8.12IDENTIFY DEVICE. 77 8.13IDENTIFY PACKET DEVICE 93 8.14IDLE
26、103 8.15IDLE IMMEDIATE. 106 8.16INITIALIZE DEVICE PARAMETERS 108 8.17MEDIA EJECT 111 8.18MEDIA LOCK 113 8.19MEDIA UNLOCK 115 8.20NOP 117 8.21PACKET . 119 8.22READ BUFFER 124 8.23READ DMA. 126 8.24READ DMA QUEUED 129 8.25READ MULTIPLE. 133 8.26READ NATIVE MAX ADDRESS. 136 8.27READ SECTOR(S). 138 8.28
27、READ VERIFY SECTOR(S). 141 8.29SECURITY DISABLE PASSWORD . 144 8.30SECURITY ERASE PREPARE 146 8.31SECURITY ERASE UNIT. 148 8.32SECURITY FREEZE LOCK 151 8.33SECURITY SET PASSWORD 153 8.34SECURITY UNLOCK 155 8.35SEEK 157 8.36SERVICE 160 8.37SET FEATURES. 161 8.38SET MAX ADDRESS 166 8.39SET MULTIPLE MO
28、DE 169 8.40SLEEP 171 8.41SMART. 173 8.42STANDBY. 191 8.43STANDBY IMMEDIATE 193 8.44WRITE BUFFER. 195 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted wi
29、thout license from IHS -,-,- iii Page 8.45WRITE DMA197 8.46WRITE DMA QUEUED.200 8.47WRITE MULTIPLE204 8.48WRITE SECTOR(S)207 9Protocol.210 9.1Signature and persistence 210 9.2Power on and hardware resets.211 9.3Software reset.215 9.4DEVICE RESET protocol219 9.5EXECUTE DEVICE DIAGNOSTIC protocol219 9
30、.6Device selection protocol223 9.7PIO data in command protocol224 9.8PIO data out command protocol .227 9.9Non-data command protocol.231 9.10DMA command protocol233 9.11PACKET command protocol.235 9.12READ/WRITE DMA QUEUED command protocol249 9.13Ultra DMA data in commands.253 9.14Ultra DMA data out
31、 commands.255 9.15Ultra DMA CRC rules258 9.16Single device configurations .260 10Timing .261 10.1Deskewing.261 10.2Transfer timing261 Tables 1Byte order8 2DC characteristics.10 3AC characteristics.10 4Driver types and required termination.11 5 Typical series termination for Ultra DMA.12 6Interface s
32、ignal name assignments.13 7Security mode command actions33 8 Extended error codes57 9 CFA TRANSLATE SECTOR information60 10Diagnostic codes.72 11IDENTIFY DEVICE information.79 12Minor revision number.88 13IDENTIFY PACKET DEVICE information.95 14Automatic standby timer periods.103 15Security password
33、 content145 16 SECURITY ERASE UNIT password.150 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license from IHS -,-,- iv Page 17SECURITY SET P
34、ASSWORD data content. 154 18Identifier and security level bit interaction. 154 19SET FEATURES register definitions 163 20Transfer/mode values. 164 21Advanced power management levels. 164 22 SMART Feature register values . 173 23Device SMART data structure 185 24Off-line data collection status byte v
35、alues 185 25BSY and DRDY timing for power on and hardware resets. 215 26BSY and DRDY timing for software reset. 219 27BSY and DRDY timing for diagnostic command. 222 28 Equations for parallel generation of a CRC polynomial 259 29Register transfer to/from device 263 30PIO data transfer to/from device
36、. 265 31Multiword DMA data transfer 267 32 Ultra DMA data burst timing requirements 269 Figures 1Interface cabling diagram . 9 2 Ultra DMA termination with pull-up or pull-down. 12 3 PDIAG- example using an 80-conductor cable assembly 16 4Cable select example . 17 5 Alternate cable select example. 1
37、8 6Power management modes 29 7Security mode flow . 32 8BSY and DRDY timing for power on and hardware resets. 214 9BSY and DRDY timing for software reset. 218 10BSY and DRDY timing for diagnostic command. 222 11 Device selection protocol 223 12 PIO data in command protocol. 224 13 PIO data out comman
38、d protocol. 227 14 Non-data command protocol 232 15 DMA command protocol. 233 16 PACKET non-data and PIO data command protocol . 235 17 PACKET DMA command protocol 242 18READ/WRITE DMA QUEUED command protocol . 249 Copyright American National Standards Institute Provided by IHS under license with AN
39、SI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license from IHS -,-,- v Page 19 Example parallel CRC generator 259 20Register transfer to/from device262 21PIO data transfer to/from device.264 22Multiword DMA data transfers.266
40、23 Initiating an Ultra DMA data in burst .268 24 Sustained Ultra DMA data in burst271 25 Host pausing an Ultra DMA data in burst272 26 Device terminating an Ultra DMA data in burst.273 27 Host terminating an Ultra DMA data in burst.274 28 Initiating an Ultra DMA data out burst.275 29 Sustained Ultra
41、 DMA data out burst276 30 Device pausing an Ultra DMA data out burst277 31 Host terminating an Ultra DMA data out burst 278 32 Device terminating an Ultra DMA data out burst.279 Annexes A Connectors280 B Identify device data for devices with more than 1024 logical cylinders.290 C Signal integrity.29
42、3 D Bibliography 317 E ATA command set summary.318 F Command packet format example323 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=Boeing Co/5910770001 Not for Resale, 10/23/2008 02:18:45 MDTNo reproduction or networking permitted without license f
43、rom IHS -,-,- vi Foreword(This foreword is not part of American National Standard NCITS 317-1998.) This AT Attachment with Packet Interface Extension (ATA/ATAPI-4) standard is de- signed to maintain a high degree of compatibility with the AT Attachment-3 Interface (ATA-3) standard and the packet com
44、mand feature set implemented by devices com- monly known as ATAPI devices while providing the advantages of additional features and functions. This standard was developed by the ATA ad hoc working group of Accredited Stan- dards Committee NCITS during 1995-97. The standards approval process started
45、in 1997. This document includes six annexes. Annex A is normative and is considered part of the standard; all other annexes are informative and are not considered part of the standard. Requests for interpretation, suggestions for improvement and addenda, or defect re- ports are welcome. They should
46、be sent to the NCITS Secretariat, Information Tech- nology Industry Council, 1250 Eye Street, NW, Suite 200, Washington, DC 20005- 3922. This standard was processed and approved for submittal to ANSI by NCITS. Com- mittee approval of the standard does not necessarily imply that all committee mem- be
47、rs voted for its approval. At the time it approved this standard, NCITS had the following members: Karen Higginbottom, Chair (Vacant), Vice-Chair Monica Vago, Secretary Organization Represented Name of Representative AMP, Inc. John Hill Charles Brill (Alt.) Apple Computer, Inc. David Michael Jerry K
48、ellenbenz (Alt.) AT covering the inter- face cabling requirements of the interface and DC cables and connectors. Clause 5 contains the signal descriptions of the AT Attachment Interface. Clause 6 describes the general operating requirements of the AT Attachment In- terface. Clause 7 contains descriptions of the registers of the AT Attachment Interface. Clause 8 contains descriptions of the commands of the AT Attachment Interface. Clause 9 contains the protocol of the AT Attachme