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Product Manual
Momentus 7200.2 SATA
ST9200420ASG ST9120823AS
ST9200420AS ST9100821AS
ST9160823ASG ST980813ASG
ST9160823AS ST980813AS
100451238
Rev. E
December 2007
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©2004-2007, Seagate Technology LLC All rights reserved. Publication number: 100451238, Rev. E December 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus, Seagate- SeaBOARD, SeaFONE, SeaTDD, and SeaTools are either trademarks or registered trade- marks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries. All other trademarks or registe
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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary table . . . . . . . . . . . . . . . . . .
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ii Momentus 7200.2 SATA Product Manual, Rev. E
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List of Figures Figure 1. Typical 5V startup and operating current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Serial ATA connectors and jumper options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 4. Drive dimensions . . . . . . . . . . . . . . . . . . . . . . . . . .
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus 7200.2 SATA model drives: � ST9200420ASG � ST9200420AS � ST9160823ASG � ST9160823AS � ST9120823AS � ST9100821AS � ST980813ASG � ST980813AS These drives provide the following key features: � 7,200 RPM spindle speed � 8 Mbyte buffer (80—160 GB models) � 16 Mbyte buffer (200 GB models) � Free Fall Protection (on ST9200420ASG, ST9160823ASG and ST980813ASG models only)
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1.1 About the Serial ATA (SATA) 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. A jumper position is available to configure the drive for 1.5Gb/s operation for systems that can not operate at a 3Gb/s transfer rate. � Thinner and more flexible cabl
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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 ST9200420ASG, ST9200420AS, ST9160823AS, ST9160823ASG, ST9120823AS, ST9100821AS, ST980813AS and ST980813ASG models. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or defi-
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Table 1: Drive specifications ST9200420ASG ST9160823AS ST980813AS Drive specification ST9200420AS ST9160823ASG ST9120823AS ST9100821AS ST980813ASG Standby to ready (typical) 4 seconds Startup current (typical) +5V (peak) 1.1 amps Track-to-track seek time (msec typical) 1.0 (read), 1.5 (write) Average seek, read (msec typical) 11.0 Average seek, write (msec typical) 13.0 Seek power (typical) 2.3 watts Operating power (typical) 2.1 watts Idle mode, low power (typical) 0.8 watts Standby mode (ave
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Table 1: Drive specifications ST9200420ASG ST9160823AS ST980813AS Drive specification ST9200420AS ST9160823ASG ST9120823AS ST9100821AS ST980813ASG Load/Unload (L/UL) cycles 25°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 600,000 software-controlled power on/off cycles 5°C, 80% relative humidity 20,000 hard power on/off cycles 5°C, 20% relative humidity 60°C, 20% relative humidity Supports H
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2.4 Physical organization Drive model Read/write heads Number of discs ST9200420AS and ST9200420ASG 4 ST9160823AS and ST9160823ASG 2 ST9120823AS 3 ST9100821AS ST980813AS and ST980813ASG 2 1 2.5 Recording and interface technology 200 GB models 160 - 80 GB models Interface Serial ATA (SATA) Recording density BPI (bits/inch max) 1,014,000 853,000 Track density TPI (tracks/inch max) 162,600 155,000 2 Areal density (Gbits/inch max) 169.4 131 Spindle speed (RPM) (± 0.2%) 7,200 Maximum Internal tran
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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
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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 Table 3, 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 m
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2.9.1.1 Typical current profile Figure 1. Typical 5V startup and operating current profile 2.9.2 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 maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz. Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current. 2.9.3 Vol
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2.9.4 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 65°C (149°F) within the operating ambient conditions. Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet. 0° to 60°C (32° to 140°F) Operating: –40° to 70°C (–40° to 158°F) Nonoperating: 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 ST9200420ASG, ST9160823ASG and ST980813ASG 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 document when subject
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2.11 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All mea- surements are consistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward. For seek mode tests, the drive is placed in seek mode only. The number of seeks per second is defined by the following equation: (Number of seeks per s
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2.13 Reliability Measurement type Specification 14 Nonrecoverable read errors 1 per 10 bits read, max. Annualized Failure Rate (AFR) 0.68% Load/Unload (U/UL) 25°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 600,000 software-controlled power on/off cycles 5°C, 80% relative humidity 20,000 hard power on/off cycles 5°C, 20% relative humidity 60°C, 20% relative humidity Warranty 5 Years on dis
