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Product Manual
®
Savvio 15K.2 SAS
Standard Models Self-Encrypting Drive Models
ST9146852SS
ST9146752SS
ST973452SS
ST973352SS
SED FIPS 140-2 Models
ST9146652SS
ST973252SS
100516230
Rev. E
March 2011
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© 2011, Seagate Technology LLC All rights reserved. Publication number: 100516230, Rev. E March 2011 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technol- ogy LLC in the United States and/or other countries. Savvio 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. The FIPS logo is a certification mark of NIST, which does not imply product e
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Contents 1.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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7.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7.4.5 Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 7.4.6 Corro
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12.5.1 Ready LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.5.2 Differential signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.6 SAS-2 Specification compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 12.7 Additional information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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iv Savvio 15K.2 SAS Product Manual, Rev. E
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List of Figures Figure 1. Current profile for 146GB models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. Current profile for 73GB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 3. 146GB models (6.0 Gbit) DC current and power vs. input/output operations per second . . . 27 Figure 4. 146GB models (3.0 Gbit) DC current and power vs. input/output operations per second . . . 27 Fi
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1.0 Seagate Technology support services SEAGATE ONLINE SUPPORT and SERVICES For information regarding products and services, visit http://www.seagate.com/www/en-us/about/contact_us/ Available services include: Presales & Technical support Global Support Services telephone numbers & business hours Authorized Service Centers For information regarding Warranty Support, visit http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance For information regarding Data Recovery Services,
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2.0 Scope ® ® This manual describes Seagate Technology LLC, Savvio 15K.2 SAS (Serial Attached SCSI) disc drives. Savvio drives support the SAS Protocol specifications to the extent described in this manual. The SAS Inter- face Manual (part number 100293071) describes the general SAS characteristics of this and other Seagate SAS drives. The Self-Encrypting Drive Reference Manual, part number 100515636, describes the interface, general operation, and security features available on Self-Encryptin
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3.0 Applicable standards and reference documentation The drives documented in this manual have been developed as system peripherals to the highest standards of design and construction. The drives depends on 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 temper- ature regulation.
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3.1.2 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 • Keyboard • Monitor/display • Printer • External modem •Mouse Although the test system with this Seagate mo
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3.1.3 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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4.0 General description Savvio drives provide high performance, high capacity data storage for a variety of systems including engi- neering workstations, network servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to meet next-generation computing demands for performance, scalability, flexibility and high-den- sity storage requirements. Savvio drives are random access storage devices designed to support the Serial Attached SCSI Protocol as described in the A
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4.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 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)
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4.3 Performance • Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance • 600 Mbytes/sec maximum instantaneous data transfers • 15k RPM spindle. Average latency = 2.0 msec • Background processing of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance Note. There is no significant performance difference between Self-Encrypting Drive and standard (non- Self-Encrypting Drive
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4.6 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select (6) parameter list table in the SAS Interface Manual, part number 100293071. A value of zero in the Number of Blocks field indicates that the drive will not change the capacity it is currently formatted to have. A number other than zero and less than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the
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5.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Sav- vio drives. 5.1 Internal drive characteristics ST9146852SS ST973452SS ST9146752SS ST973352SS ST9146652SS ST973252SS Drive capacity 146.8 73.4 Gbytes (formatted, rounded off value) Read/write data heads 4 2 Tracks per surface (total) 60,436 60,436 Tracks (user accessible including spare tracks) Tracks per inch 180,000 180,000 kTPI (average) Peak bits per
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5.2.2 Format command execution time ST9146852SS ST973452SS ST9146752SS ST973352SS ST9146652SS ST973252SS Maximum (with verify) 64 minutes 47 minutes Maximum (without verify) 48 minutes 39 minutes 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). When changing sector sizes, the format times shown above may need to be increased by 30 minutes. 5.2.3 General perform
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5.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can enhance system performance. Cache refers to the drive buffer storage space when it is used in cache operations. To select this feature, the host sends the Mode Select command with the proper values in the applicable bytes in page 08h. Prefetch and cache operations are independent features from the standpoint that each is enabled and di
