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Product Manual
®
Momentus
512-byte sector models 4096-byte sector models
ST9640320AS ST9640322AS
ST9500320AS ST9400321AS
ST9320310AS ST9320312AS
ST9250310AS
ST9160316AS
100589392
Rev. D
November 2010
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Revision history Revision Date Sheets affected or comments Rev. A 10/14/09 Initial release. Rev. B 12/01/09 fc, 1, 3-6, 10-12 & 24.. Rev. C 04/27/10 fc, 1-2, 4-10, 15-16 and 27. Rev. D 11/30/10 28. © 2010 Seagate Technology LLC. All rights reserved. Publication number: 100589392, Rev. D, November 2010 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus and SeaTools are either trademarks or regis
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Contents 1.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . .
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ii Momentus Product Manual, Rev. D
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List of Figures Figure 1. Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 2. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 4. Mounting dimensions—top, side and end view . . . . . . . . .
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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 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus model drives: 4K byte/sector models • ST9640322AS • ST9400321AS • ST9320312AS 512 byte/sector models • ST9640320AS • ST9320310AS • ST9160316AS • ST9500320AS • ST9250310AS • These drives provide the following key features: • 5400-RPM spindle speed. • 8-MB buffer. • Quiet operation. Fluid Dynamic Bearing (FDB) motor. • High instantaneous (burst) data-transfer rates (
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2.1 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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3.0 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 models. 3.1 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 for 640, 500 a
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Table 1: Drive specifications for 640, 500 and 400GB models Drive specification ST9640322AS ST9640320AS ST9500320AS ST9400321AS Seek power (typical) 1.3W Read/write power (typical) Read: 1.25W; Write: 1.65W Idle mode, low power (typical) 0.47W Standby mode 0.12W (typical)*** Sleep mode 0.12W (typical)*** Voltage tolerance (including noise) +5V ± 5% Ambient temperature 0° to 60°C (operating), –40° to 70°C (nonoperating) Temperature gradient 20°C (operating) (°C per hour max) 35°C (nonoperating)
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Table 2: Drive specifications for 320, 250 and 160GB models Drive specification ST9320312AS ST9320310AS ST9250310AS ST9160316AS Formatted GB* 320 250 160 guaranteed logical blocks 625,142,448 488,397,168 312,581,808 bytes per physical sector 4096 512 512 512 Physical read/write heads 2 1 Discs 1 Cache (MB) 8 Recording density in BPI (bits/in avg) 1560k Track density TPI (tracks/in avg) 325k 2 Areal density (Gb/in avg) 507 Spindle speed (RPM) 5400 Average latency (ms) 5.2 Internal transfer rat
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Table 2: Drive specifications for 320, 250 and 160GB models Drive specification ST9320312AS ST9320310AS ST9250310AS ST9160316AS Shock, nonoperating (Gs max at 1ms) 1000 Shock, nonoperating (Gs max at 0.5ms) 1000 Vibration, operating 1.0 G (0 to peak, 5–500 Hz) Vibration, nonoperating 5.0 Gs (0 to peak, 5–500 Hz) Drive acoustics, sound power (bels) Idle** 2.3 (typical) 2.5 (max) Seek 2.4 (typical) 2.6 (max) 14 Nonrecoverable read errors 1 per 10 bits read Annualized Failure Rate (AFR) 0.48
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3.2 Formatted capacity Formatted Guaranteed Bytes per Model capacity* logical blocks physical sector ST9640322AS 640GB 1,250,263,728 ST9400321AS 400GB 781,422,768 4096 ST9320312AS 320GB 625,142,448 ST9640320AS 640GB 1,250,263,728 ST9500320AS 500GB 976,773,168 ST9320310AS 320GB 625,142,448 512 ST9250310AS 250GB 488,397,168 ST9160316AS 160GB 312,581,808 *One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and f
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3.5 Recording and interface technology Interface Serial ATA (SATA) Recording method Perpendicular Recording density BPI (bits/in avg) 1560k Track density TPI (tracks/in avg) 325k 2 Areal density (Gb/in avg) 507 Spindle speed (RPM) (± 0.2%) 5400 Maximum Internal transfer rate (Mb/s) 1175 I/O data-transfer rate (MB/s max) 300 Interleave 1:1 Cache buffer 8MB (8192KB) 3.6 Physical characteristics Drive specification Height (mm) 9.5 +/-0.2 (in) 0.374 +/-0.008 Width (mm) 69.85 +/-0.25 (in) 2.75 +/
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3.8 Start/stop times Time to ready Typical Max @ 25°C Power-on to Ready (sec) 3.6 4.5 Standby to Ready (sec) 2.5 3.5 3.9 Power specifications The drive receives DC power (+5V) through a native SATA power connector. 3.9.1 Power consumption Power requirements for the drives are listed in the table on page 10. 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
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3.9.1.1 Typical current profile Figure 1. Typical +5V only startup and operation current profile 3.9.2 Deferred spinup Momentus 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. 3.9.3 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on the +5V line. Using 5V power, the drive is expected to operate with a maximum of 100 mV peak-to-
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3.9.5 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 5: 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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3.10 Environmental specifications 3.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Above 1000 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) 3.10.2 Temperature gradient Operating 20°C per hour (68°F per hour max), without condensation Nonoperating 35°C per hour (95°F per hour max), without conde
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3.10.5 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. 3.10.5.1 Operating shock These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 350 Gs based on half-sine shock pulses of 2ms. Shocks should not be repeated more than two times per second. 3.10.5.2 Nonoperating shock The nonoperating shock level t
