Manual de instrucciones de Seagate SAVVIO ST973402SS

Manual de instrucciones del aparato Seagate SAVVIO ST973402SS

Aparato: Seagate SAVVIO ST973402SS
Categoría: Lector CD
Fabricante: Seagate
Tamaño: 1.28 MB
Fecha de añadido: 8/23/2013
Número de páginas: 84
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

Product Manual
®
Savvio 10K.2 SAS
ST9146802SS
ST973402SS
100384760
Rev. D
August 2007

Resumen del contenido incluido en la página 2

©2007, Seagate Technology LLC All rights reserved. Publication number: 100384760, Rev. D August 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 the

Resumen del contenido incluido en la página 3

Contents 1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . .

Resumen del contenido incluido en la página 4

6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.5 Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6.4.6 Corro

Resumen del contenido incluido en la página 5

List of Figures Figure 1. Savvio 10K.2 SAS disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. ST9146802SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 3. ST973402SS current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 4. ST9146802SS (3 Gbit) DC current and power vs. input/outpu

Resumen del contenido incluido en la página 6

Resumen del contenido incluido en la página 7

1.0 Scope ® ® This manual describes Seagate Technology LLC, Savvio 10K.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. Figure 1. Savvio 10K.2 SAS disc drive Savvio 10K.2 SAS Product Manual, Rev. D 1

Resumen del contenido incluido en la página 8

2 Savvio 10K.2 SAS Product Manual, Rev. D

Resumen del contenido incluido en la página 9

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

Resumen del contenido incluido en la página 10

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

Resumen del contenido incluido en la página 11

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

Resumen del contenido incluido en la página 12

6 Savvio 10K.2 SAS Product Manual, Rev. D

Resumen del contenido incluido en la página 13

3.0 General description Savvio drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to provide high performance, high capacity data storage for a variety of systems including engineering worksta- tions, network servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to meet next-generation computing demands for performance, scalability, flexibility and high-density storage requirements. Savvio drives are random access

Resumen del contenido incluido en la página 14

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, or 528 bytes per logical block). � In

Resumen del contenido incluido en la página 15

3.4 Reliability � Annualized Failure Rate (AFR) or 0.55% � Mean time between failures (MTBF) of 1,600,000 hours � Balanced low mass rotary voice coil actuator � 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 s

Resumen del contenido incluido en la página 16

3.8 Factory-installed 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

Resumen del contenido incluido en la página 17

4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Sav- vio drives. 4.1 Internal drive characteristics ST9146802SS ST973402SS Drive capacity 146.8 73.4 Gbytes (formatted, rounded off value) Read/write data heads 4 2 Bytes per track 489,984 489,984 Bytes (average, rounded off values) Bytes per surface 36,704 36,704 Mbytes (unformatted, rounded off value) Tracks per surface (total) 75,373 75,373 Tracks (user acc

Resumen del contenido incluido en la página 18

4.2.2 Format command execution time for 512-byte sectors (minutes) ST9146802SS ST973402SS 104 52 Maximum (with verify) 70 35 Maximum (without verify) 4.2.3 General performance characteristics Minimum sector interleave 1 to 1 Data buffer to/from disc media (one 512-byte logical block)* 82 to 132 MBytes/sec Sustained transfer rate 55 to 89 Mbytes/sec SAS Interface maximum instantaneous transfer rate 300 Mbytes/sec* per port (dual port = 600 Mbytes/sec*) Logical block sizes 512 (default), 520 or

Resumen del contenido incluido en la página 19

4.3 Start/stop time The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). If the drive receives a START STOP UNIT command with the START bit equal to 0 before receiving a

Resumen del contenido incluido en la página 20

Case B—A Read command requests data, and at least one requested logical block is not in any segment of the cache: 1. The drive fetches the requested logical blocks from the disc and transfers them into a segment, and then from there to the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. If the prefetch feature is enabled, refer to section 4.5.2 for operation from this point. Each cache segment is actually a self-contained circular buffer whose length is an


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