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Seagate ST9250410AS Momentus 7200.4 SATA Product Manual - Page 2

Copyright © 2009 Seagate Technology LLC. All rights reserved. Printed in U.S.A. - drive

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Copyright © 2009 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100534376, Rev. A, January 2009 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus and SeaTools are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or registered trademarks are the property of their respective owners. When referring to hard drive capacity, one gigabyte, or GB, equals one billion bytes. Your computer's operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage. Quantitative usage examples for various applications are for illustrative purposes. Actual quantities will vary based on various factors, including file size, file format, features and application software. Seagate reserves the right to change, without notice, product offerings or specifications.

Section	Page
Contents	3
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary table	9
2.2 Formatted capacity	11
2.2.1 LBA mode	11
2.3 Default logical geometry	11
2.4 Physical organization	11
2.5 Recording and interface technology	12
2.6 Physical characteristics	12
2.7 Seek time	13
2.8 Start/stop times	13
2.9 Power specifications	13
2.9.1 Power consumption	13
2.9.1.1 Typical current profile	14
2.9.2 Conducted noise	15
2.9.3 Voltage tolerance	15
2.9.4 Power-management modes	16
2.10 Environmental specifications	17
2.10.1 Ambient temperature	17
2.10.2 Temperature gradient	17
2.10.3 Relative humidity	17
2.10.4 Wet bulb temperature	17
2.10.5 Altitude	17
2.10.6 Shock	17
2.10.6.1 Operating shock	17
2.10.6.2 Nonoperating shock	18
2.10.7 Vibration	18
2.10.7.1 Operating vibration	18
2.10.7.2 Nonoperating vibration	18
2.11 Acoustics	18
2.12 Electromagnetic immunity	19
2.13 Reliability	19
2.13.1 Free Fall Protection feature	19
2.14 Agency certification	20
2.14.1 Safety certification	20
2.14.2 Electromagnetic compatibility	20
2.14.3 FCC verification	20
2.15 Environmental protection	22
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	22
2.15.2 China Restriction of Hazardous Substances (RoHS) Directive	22
2.16 Corrosive environment	22
3.0 Configuring and mounting the drive	25
3.1 Handling and static-discharge precautions	25
3.2 Configuring the drive	26
3.3 Serial ATA cables and connectors	26
3.4 Drive mounting	27
4.0 Serial ATA (SATA) interface	29
4.1 Hot-Plug compatibility	29
4.2 Serial ATA device plug connector pin definitions	29
4.3 Supported ATA commands	31
4.3.1 Identify Device command	33
4.3.2 Set Features command	37
4.3.3 S.M.A.R.T. commands	38

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Publication number: 100534376, Rev. A, January 2009

Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC

in the United States and/or other countries. Momentus and SeaTools are either trademarks or registered

trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other

countries. All other trademarks or registered trademarks are the property of their respective owners.

When referring to hard drive capacity, one gigabyte, or GB, equals one billion bytes. Your computer’s oper-

ating system may use a different standard of measurement and report a lower capacity. In addition, some

of the listed capacity is used for formatting and other functions, and thus will not be available for data stor-

age. Quantitative usage examples for various applications are for illustrative purposes. Actual quantities

will vary based on various factors, including file size, file format, features and application software. Sea-

gate reserves the right to change, without notice, product offerings or specifications.