Manual de instrucciones de Seagate ST9120817AS

Manual de instrucciones del aparato Seagate ST9120817AS

Aparato: Seagate ST9120817AS
Categoría: Lector CD
Fabricante: Seagate
Tamaño: 0.71 MB
Fecha de añadido: 5/5/2014
Número de páginas: 46
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Resumen del contenido incluido en la página 1

Product Manual
Momentus 5400.4 SATA
ST9250827AS
ST9200827AS
ST9160827AS
ST9120817AS
100468842
Rev. A
October 2007

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Revision history Revision Date Comments Rev. A 10/23/07 Initial release. Copyright © 2007 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100468842, Rev. A October 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United

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Momentus 5400.4 SATA Product Manual, Rev. A i

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ii Momentus 5400.4 SATA Product Manual, Rev. A

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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary table . . . . . . . . . . . . . . . .

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iv Momentus 5400.4 SATA Product Manual, Rev. A

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List of Figures Figure 1. Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Serial ATA connectors and jumper options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 4. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . .

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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus 5400.4 SATA model drives: � ST9250827AS � ST9200827AS � ST9160827AS � ST9120817AS These drives provide the following key features: � 5,400-RPM spindle speed. � 8-Mbyte buffer. � Quiet operation. Fluid Dynamic Bearing (FDB) motor. � High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second). � Perpendicular recording technology provides the drives

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1.1 About the Serial ATA interface The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advantages include: � Easy installation and configuration with true plug-and-play connectivity. It is not normally necessary to set any jumpers or other configuration options. � Thinner and more flexible cabling for improved enclosure airflow and ease of installation. � Scalability to higher performance levels. In addition, Serial ATA makes the tran

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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the ST9250827AS, ST9200827AS, ST9160827AS, and ST9120817AS models. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

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Table 1: Drive specifications Drive specification ST9250827AS ST9200827AS ST9160827AS ST9120817AS Full-stroke seek (msec) 20 (typical); 24 (max) Startup current, +5V (typical) 1.0 amps Seek power (typical) 2.0 watts Read/write power (typical) Read: 2.0 watts; Write: 1.6 watts Idle mode, low power (typical) 0.6 watts Standby mode 0.20 watts (typical)*** Sleep mode 0.20 watts (typical)*** Voltage tolerance (including noise) +5V ± 5% Ambient operating temperature 0° to 60°C (operating), –40° to 70°

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**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. ***Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes will not contribute to battery power consumption. 2.2 Formatted capacity Model Formatted capacity* Guaranteed sectors Bytes per sector ST9250827AS 250 Gbytes 488,397,168 512 ST9200827A

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2.4 Physical organization Drive model Read/write heads Number of discs ST9250827AS 4 2 ST9200827AS 4 2 ST9160827AS 3 2 ST9120817AS 2 1 2.5 Recording and interface technology Interface Serial ATA (SATA) Recording method Perpendicular Recording density BPI (bits/inch max) 1,180k Track density TPI (tracks/inch max) 173k 2 Areal density (Gbits/inch max) 204 Spindle speed (RPM) (± 0.2%) 5,400 Internal transfer rate (Mbits/sec, max) 778 Sustained transfer rate (Mbytes/sec, max) 58 I/O data-transfer

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2.7 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows: � Track-to-track seek time is an average of all possible single-track seeks in both directions. � Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead. Table 2: Typical seek times Typical seek times (msec) Read Write T

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2.9 Power specifications The drive receives DC power (+5V) through a native SATA power connector. 2.9.1 Power consumption Power requirements for the drives are listed in the table on page 8. Typical power measurements are based on an average of drives tested, under nominal conditions, at 25°C ambient temperature. • Spinup power Spinup power is measured from the time of power-on to the time that the drive spindle reaches operating speed. � Seek mode During seek mode, the read/write actuator arm

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2.9.1.1 Typical current profile Figure 1. Typical +5V only startup and operation current profile 2.9.2 Deferred spinup Momentus 5400.4 SATA drives do not support the deferred spinup option. If you require this option, refer to the Momentus 5400.3 SATA Blade Server family of drives. 2.9.3 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on the +5 volt line. Using 5-volt power, the drive is expected to operate with a maxim

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2.9.5 Power-management modes The drive provides programmable power management to provide greater energy efficiency. In most systems, you can control power management through the system setup program. The drive features the following power-management modes: Table 4: Power management modes Power modes Heads Spindle Buffer Active (operating) Tracking Rotating Full power Idle, performance Tracking Rotating Low power Idle, active Bias against crash stops Rotating Self refresh—low power Idle, low po

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2.10 Environmental specifications 2.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions. Operating: 0° to 60°C (32° to 140°F) Nonoperating: –40° to 70°C (–40° to 158°F) 2.10.2 Temperature gradient Operating 20°C per hour (68°F per hour max), without condensation Nonoperating 35°C per hour (86°F per hour max), without

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2.10.5 Shock All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.10.5.1 Operating shock These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 325 Gs based on half-sine shock pulses of 2 msec. Shocks should not be repeated more than two times per second. 2.10.5.2 Nonoperating shock The nonoperating shock leve


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