Seagate ST3250318AS, ST31000528AS Revision history, Revision Date Sheets affected or comments

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		Revision history
Revision	Date	Sheets affected or comments
Rev A	08/15/08	Initial release.
Rev. B)	02/12/09	fc, 1, 3-19, 22-25, 29-30 and 37.

Copyright © 2008-2009 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100529369, Rev. B, February 2009

Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Barracuda, SeaTools and SeaTDD 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 and one terabyte, or TB, equals one trillion bytes. Your computer's operating system may use a different standard of measure- ment 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

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Contents Barracuda 7200.12 Serial ATA Revision history Revision Date Sheets affected or commentsContents Barracuda 7200.12 Serial ATA Product Manual, Rev. B List of Figures Page Introduction About the Serial ATA interface Drive specifications Drive specifications summary for 1000 and 750 Gbyte models Will display the warranty information for your drive Drive specifications summary for 500 Gbyte models Tem will display the warranty information for your drive Drive specifications summary for 250 Gbyte models Will display the warranty information for your drive Formatted capacity Default logical geometryLBA mode Cylinders Read/write heads Sectors per track 16,383Physical characteristics Recording and interface technologyTypical seek times msec Read Write Seek timeStart/stop times 750 GB models 500, 320, 250 and 160 GB modelsPower specifications Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications Nonoperating shock 750 GB models ShockOperating shock 500, 320, 250 and 160 GB modelsFluid Dynamic Bearing FDB motor acoustics AcousticsElectromagnetic immunity Test for Prominent Discrete Tones PDTsAgency certification Safety certificationReliability Electromagnetic compatibilityFCC verification Korean RRLAustralian C-Tick N176 Environmental protection Corrosive environmentConfiguring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions 1000 and 750 GB models Drive mountingMounting dimensions 500, 320, 250 and 160 GB models Serial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F3H Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordShall be cleared to Set Features command Set Features command valuesCode in features register A.R.T. command 3 S.M.A.R.T. commandsM.A.R.T. commands Technical Support Seagate Technology support servicesPresales Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index ITE Page Barracuda 7200.12 Serial ATA Product Manual, Rev. B Page Seagate Technology LLC