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Product Manual
Momentus 5400.6 SATA
ST9500325AS ST9500325ASG
ST9320325AS ST9320325ASG
ST9250315AS ST9250315ASG
ST9160314AS ST9160314ASG
ST9120315AS
100528359
Rev. A
September 2008
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Copyright © 2008 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100528359, Rev. A September 2008 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 States and/or other countries. All other trademarks or registered tra
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Momentus 5400.6 SATA Product Manual, Rev. A i
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ii Momentus 5400.6 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 5400.6 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 5400.6 SATA model drives: � ST9500325AS � ST9500325ASG � ST9320325AS � ST9320325ASG � ST9250315AS � ST9250315ASG � ST9160314AS � ST9160314ASG � ST9120315AS These drives provide the following key features: � 5,400-RPM spindle speed. � 8-Mbyte buffer. � Free Fall Protection (ST9500325ASG, ST9320325ASG, ST9250315ASG and ST9160314ASG models only) � Quiet operation. Flu
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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 Momentus 5400.6 SATA 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. Table 1: Drive specifications ST9
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Table 1: Drive specifications ST9500325AS ST9320325AS ST9250315AS ST9160314AS Drive specification ST9500325ASG ST9320325ASG ST9250315ASG ST9160314ASG ST9120315AS Full-stroke seek, read (msec max) 30 Startup current, +5V (max) 1.0 amp Seek power (typical) 1.54 watts Read/write power (typical) Read: 2.6 watts; Write: 2.85 watts Idle mode, low power (typical) 0.67 watts Standby mode 0.22 watts (typical)*** Sleep mode 0.22 watts (typical)*** Voltage tolerance (including noise) +5V ± 5% Ambient temp
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and formatting. **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 ST9500325AS and ST9500325ASG 500
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2.4 Physical organization Drive model Read/write heads Number of discs ST9500325AS and ST9500325ASG 4 2 ST9320325AS and ST9320325ASG 3 2 ST9250315AS and ST9250315ASG 2 1 ST9160314AS and ST9160314ASG 2 1 ST9120315AS 1 1 2.5 Recording and interface technology Interface Serial ATA (SATA) Recording method Perpendicular Recording density BPI (bits/inch avg) 1,490k Track density TPI (tracks/inch avg) 265k 2 Areal density (Gbits/inch avg) 394 Spindle speed (RPM) (± 0.2%) 5,400 Maximum Internal trans
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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 Seek times (msec) Read Track-to-track
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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 5400.6 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 maximu
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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 Self refresh—low power Idle, active Floating Rotating Self refresh—low power Idle, low power
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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 70°C (158°F) within the operating ambient conditions. Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet. 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
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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. Note. Additional shock protection is provided by the Free Fall Protection feature on ST9500325ASG, ST9320325ASG, ST9250315ASG and ST9160314ASG models. See Section 2.13.1 for additional information about this feature. 2.10.5.1 Operating shock These drives comply with the performance levels specified in this docume
