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Seagate ST9250412AS Momentus 7200.4 SATA Product Manual - Page 2

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© 2010 Seagate Technology LLC. All rights reserved. Publication number: 100534376, Rev. C, November 2010 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. No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC. Call 877-PUB-TEK1(877-782-8351) to request permission. One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion 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. Seagate reserves the right to change, without notice, product offerings or specifications.

Section	Page
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	14
2.9.1 Power consumption	14
2.9.1.1 Typical current profile	15
2.9.2 Conducted noise	16
2.9.3 Voltage tolerance	16
2.9.4 Power-management modes	17
2.10 Environmental specifications	18
2.10.1 Ambient temperature	18
2.10.2 Temperature gradient	18
2.10.3 Relative humidity	18
2.10.4 Wet bulb temperature	18
2.10.5 Altitude	18
2.10.6 Shock	18
2.10.6.1 Operating shock	18
2.10.6.2 Nonoperating shock	19
2.10.7 Vibration	19
2.10.7.1 Operating vibration	19
2.10.7.2 Nonoperating vibration	19
2.11 Acoustics	19
2.12 Electromagnetic immunity	20
2.13 Reliability	20
2.13.1 Free Fall Protection feature	20
2.14 Agency certification	21
2.14.1 Safety certification	21
2.14.2 Electromagnetic compatibility	21
2.14.3 FCC verification	21
2.15 Environmental protection	23
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	23
2.15.2 China Restriction of Hazardous Substances (RoHS) Directive	23
2.16 Corrosive environment	24
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	28
4.1 Hot-Plug compatibility	28
4.2 Serial ATA device plug connector pin definitions	29
4.3 Supported ATA commands	30
4.3.1 Identify Device command	32
4.3.2 Set Features command	36
4.3.3 S.M.A.R.T. commands	37
5.0 Seagate Technology support services	38
Index	39
A	39
B	39
C	39
D	39
E	39
F	39
G	39
H	40
I	40
K	40
L	40
M	40
N	40
O	40
P	40
Q	40
R	40
S	41
T	41
U	41
V	41

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Publication number: 100534376, Rev. C, November 2010

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.

No part of this publication may be reproduced in any form without written permission of Seagate

Technology LLC. Call 877-PUB-TEK1(877-782-8351) to request permission.

One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion 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. Seagate reserves the right to change, without notice, product

offerings or specifications.