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PRODUCT MANUAL
®
Savvio 15K SAS
ST973451SS
ST936751SS
100407739
Rev. B
March 2007
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©2007, Seagate Technology LLC All rights reserved. Publication number: 100407739, Rev. B March 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Savvio, SeaTools and SeaTDD are either trademarks or regis- tered 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 thei
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Revision status summary sheet Revision Date Notes Rev. A 09/15/06 Initial release. Rev. B 03/28/07 Changes per ECR0076456. Savvio 15K SAS Product Manual, Rev. B i
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ii Savvio 15K SAS Product Manual, Rev. B
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Contents 1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . .
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6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 6.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 6.4.5 Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.6 Corro
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List of Figures Figure 1. Typical ST973451SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. Typical ST936751SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 3. ST973451SS (3 Gbit) DC current and power vs. input/output operations per second . . . . . . 27 Figure 4. ST973451SS (1.5 Gbit) DC current and power vs. input/output operations per second . . . . 27 Figu
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1.0 Scope ® ® This manual describes Seagate Technology LLC, Savvio 15K SAS (Serial Attached SCSI) disc drives. Savvio drives support the SAS Protocol to the extent described in this manual. The SAS Interface Manual (part number 100293071) and SCSI Commands Reference Manual (part number 100293068) describe the general SAS characteristics of these and other Seagate SAS drives. Savvio 15K SAS Product Manual, Rev. B 1
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2 Savvio 15K SAS Product Manual, Rev. B
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2.0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction. The drive depends on its host equipment to provide adequate power and environment for optimum performance and compliance with applicable industry and governmental regulations. Special attention must be given in the areas of safety, power distribution, shielding, audible noise control, and temperature regulation. In particular, the drive
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2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for CE Marking and C-Tick Marking. The drive was tested in a representative system for typical applications. The selected sys- tem represents the most popular characteristics for test platforms. The system configurations include: � Typical current use microprocessor � 3.5-inch floppy disc drive � Keyboard � Monitor/display �Printer � External modem �Mouse Although the test
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2.1.3 European Union Restriction of Hazardous Substances (RoHS) The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances, including Lead (Pb), in electronic products effective July 2006. A number of parts and materials in Seagate products are procured from external suppliers. We rely on the rep- resentations of our suppliers regarding the presence of RoHS substances in these parts and materials. Our supplier contracts require complia
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6 Savvio 15K SAS Product Manual, Rev. B
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3.0 General description Savvio drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a Serial Attached SCSI (SAS) interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, net- work servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to meet next- generation computing demands for performance, sc
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3.1 Standard features Savvio drives have the following standard features: � Perpendicular recording technology � 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface � Integrated dual port SAS controller supporting the SCSI protocol � Support for SAS expanders and fanout adapters � Firmware downloadable using the SAS interface � 128-deep task set (queue) � Supports up to 32 initiators � Jumperless configuration � User-selectable logical block size (512, 520, 524, or 528 bytes per logical block) � I
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3.4 Reliability � Annualized Failure Rate (AFR) of 0.55% � Mean Time Between Failures (MTBF) of 1,600,000 hours � Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) � 5-year warranty 3.5 Formatted capacities Standard OEM models are formatted to 512 bytes per block. The block size is selectable at format time and must be a multiple of 4 bytes. Users having the necessary equipment may modify the data block size before issuing a format command and obtain
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3.8 Options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping. Some of the options available are (not an exhaustive list of possible options): � Other capacities can be ordered depending on sparing scheme and sector size requested. � Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit damage. Units shipped individually require additional protec
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4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Sav- vio drives. 4.1 Internal drive characteristics ST973451SS ST936751SS Drive capacity 73.4 36.7 Gbytes (formatted, rounded off value) Read/write data heads 4 2 Tracks per surface (total) 42,554 42,554 Tracks (user accessible including spare tracks) Tracks per inch 150 150 kTPI (average) Peak bits per inch 861.81 861.81 kBPI 2 Areal density 130.58 130.58 Gb
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4.2.2 Format command execution time ST973451SS ST936751SS 52 minutes 26 minutes Maximum (with verify) 35 minutes 18 minutes Maximum (without verify) Execution time measured from receipt of the last byte of the Command Descriptor Block (CDB) to the request for a Status Byte Transfer to the Initiator (excluding connect/disconnect). 4.2.3 General performance characteristics Sustained trasfer rate 79 to 112 Mbytes/sec SAS Interface maximum instantaneous transfer rate 300 Mbytes/sec* per port (dua
