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ST9750421AS
Product Manual
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Seagate ST9750422AS, ST9750420ASG, ST9640422AS, ST9640421AS, ST9640420ASG Product Manual

...
Product Manual
Momentus
7200-RPM
Standard Models
G
Self-Encrypting Drive Models
ST9750421AS ST9640421AS
GEN-5 100610629 Rev. A April 2010
Revision history
Revision Date Sheets affected or comments
Rev. A 04/12/10 Initial release.
© 2010 Seagate Technology LLC. All rights reserved. Publication number: 100610629, Rev. A, April 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 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 trademarks are the property of their respective owners.
No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC. Call 877-PUB-TEK1(877-782-8651) to request permission.
One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your computer's operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage. Seagate reserves the right to change, without notice, product offerings or specifications
Contents
1.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1 Specification summary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Physical organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.5 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.6 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.7 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.8 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.9 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.9.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.9.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.9.3 Voltage tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.9.4 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.10 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.3 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.4 Wet bulb temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.5 Altitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.6 Shock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.10.7 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.11 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.12 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.13 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.13.1 Free Fall Protection feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.14 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.14.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.14.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.14.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.15 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.15.1 European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . 19
3.15.2 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . 19
3.16 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2 Serial ATA device plug connector pin definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.3.1 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.3.3 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Momentus Product Manual, Rev. A i
ii Momentus Product Manual, Rev. A
List of Figures
Figure 1. Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 2. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Momentus Product Manual, Rev. A iii
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.sea
For information regarding Data Recovery Services, visit http://www.i365.com For Seagate OEM & Distribution partner portal, visit https://direct.seagate.com/portal/system For Seagate reseller portal, visit http://spp.seagate.com
gate.com/www/en-us/support/warranty_&_returns_assistance
Momentus Product Manual, Rev. A 1
2.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus
Standard models Free Fall Protection models Self-encrypting models
ST9750422AS ST9750420ASG ST9750421AS ST9750420AS ST9640420ASG ST9640421AS ST9640422AS ST9500423ASG ST9640420AS ST9500424AS ST9500423AS
®
model drives:
These drives provide the following key features:
• 7200-RPM spindle speed.
• 16MB buffer.
• Free Fall Protection (on ST9750420ASG, ST9640420ASG and ST9500423ASG models only)
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 3Gb/s).
• Perpendicular recording technology.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Native Command Queuing (NCQ) with command ordering.
• Full-track multiple-sector transfer capability without local processor intervention.
• 1000 Gs nonoperating shock and 350 Gs of operating shock.
• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
• The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offe rs the industry’s most comprehensive protection for disc drives.
• Support for S.M.A.R.T. drive monitoring and reporting.
• Support for Read Multiple and Write Multiple commands.
2 Momentus Product Manual, Rev. A
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 op tio ns .
• Thinner and more flexible cabling for improved enclosure airflow and ease of installation.
• Scalability to higher performance levels.
In addition, Serial ATA makes the transition from parallel ATA easy by providing legacy software support. Serial ATA was designed to allow you to install a Serial ATA host adapter and Serial ATA disc drive in your current system and expect all of your existing applications to work as normal.
The Serial ATA interface connects each disc drive in a point-to-point configuration with the Serial ATA host adapter. There is no master/slave relationship with Serial ATA devices like there is with parallel ATA. If two drives are attached on one Serial AT A ho st adapter, the host operating system views the two devices as if they were both “masters” on two separate ports. This essentially means both drives behave as if they are Device 0 (master) devices.
Note. The host adapter may, optionally, emulate a master/slave environment to host software where two
devices on separate Serial ATA ports are represented to host software as a Device 0 (master) and Device 1 (slave) accessed at the same set of host bus addresses. A host adapter that emulates a master/slave environment manages two sets of shadow registers. This is not a typical Serial ATA environment.
The Serial ATA host adapter and drive share the function of emulating parallel ATA device behavior to provide backward compatibility with existing host systems and software. The Command and Control Block registers, PIO and DMA data transfers, resets, and interrupts are all emulated.
The Serial ATA host adapter contains a set of registers that shadow the contents of the traditional device regis­ters, referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For addi­tional information about how Serial ATA emulates parallel ATA, refer to the “Serial ATA: High Speed Serialized AT Attachment” specification. The specification can be downloaded from http://www.serialata.org.
Momentus Product Manual, Rev. A 3
3.0 Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power.
3.1 Specification summary table
The specifications listed in this table are for quick reference. For details on specification measurement or defi­nition, see the appropriate section of this manual.
4 Momentus Product Manual, Rev. A
Table 1: Drive specifications for 750, 640 and 500 GB models
ST9750422AS ST9750421AS ST9750420AS
Drive specification
Formatted GB 750 640 500 Guaranteed sectors 1,465,149,168 1,250,284,896 976,773,168 Bytes per sector 512 Physical read/write heads 4 3 Discs 2 Cache (MB) 16 Recording density in BPI (max) 1,586k Track density TPI (tracks/inch max) 341k
2
Areal density (Gb/in Spindle speed (RPM) 7200 Average latency (ms) 4.2 Internal transfer rate (Gb/s max) 1305 I/O data transfer rate (Gb/s max) 3.0 ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.6
Height 9.5 +/- 0.2 mm (0.370 +/-.008 in) Width 69.85 +/- 0.25 mm (2.750 +/- 0.010 in) Length 100.35 +0.20 / -0.25 mm (3.951 +0.008 / -0.010 in) Weight 115 g (0.254 lb) Power-on to ready (sec typical) 4.5 Standby to ready (sec typical) 3.0 Track-to-track seek time, read (ms
typ) Average seek, read (ms typical) 11.0 Average seek, write (ms typical) 13.0 Startup current, +5V (max) 1.0A Seek power (typical) 2.5W Read power (typical) 2.1W Write power (typical) 2.3W Idle mode, low power (typical) 0.70W Standby mode (typical) 0.15W *** Sleep mode (typical) 0.15W *** Voltage tolerance (including noise) +5V ± 5% Ambient temperature 0°C to 60°C (operating)
Temperature gradient (°C/hour max) 20°C (operating), 35°C (nonoperating) Relative humidity 5% to 95% (operating and nonoperating) Relative humidity gradient 30% per hour max Wet bulb temperature (°C max) 37.7 °C (operating), 40 °C (nonoperating) Altitude, operating –304.8 m to 3,048 m (–1,000 ft to 10,000 Altitude, nonoperating
(meters below mean sea level, max) Shock, operating (Gs max at 2 ms) 350
max) 541
ST9750420ASG
PIO modes 0–4 Multiword DMA modes 0–2 Ultra DMA modes 0–6
1.5
–40°C to 70°C (nonoperating)
–304.8 m to 12,192 m (–1000 ft to 40,000
ST9640422AS ST9640421AS ST9640420AS ST9640420ASG
+ ft)
+ ft)
ST9500424AS ST9500423AS ST9500423ASG
Momentus Product Manual, Rev. A 5
Table 1: Drive specifications for 750, 640 and 500 GB models
ST9750422AS ST9750421AS ST9750420AS
Drive specification
Shock, nonoperating (Gs max at 2 ms)
Shock, nonoperating (Gs max at 1 msec)
Shock, nonoperating (Gs max at 0.5 ms)
Vibration, operating 2.0 G (0 to peak, 5–200 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 5–500 Hz) Drive acoustics, sound power (bels) Idle** 2.3 (typical)
Performance seek 2.6 (typical)
Nonrecoverable read errors 1 per 10 Annualized Failure Rate (AFR) 0.5% Load/Unload (U/UL) cycles
25°C, 50% relative humidity
32°C, 80% relative humidity 5°C, 80% relative humidity 5°C, 10% relative humidity 55°C, 16% relative humidity
Warranty To determine the warranty for a specific drive, use a web browser to access the following web
Supports Hotplug operation per Serial ATA Revision 2.6 specification
ST9750420ASG
800
1000
1000
1.0 G (0 to peak, 200–500 Hz)
2.5 (max)
2.7 (max)
14
bits read
600,000 software-controlled power on/off cycles 50,000 hard power on/off cycles
600,000 software-controlled power on/off cycles 50,000 hard power on/off cycles
page: http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive.
Yes (requires COMRESET from host after a hotplug event)
ST9640422AS ST9640421AS ST9640420AS ST9640420ASG
ST9500424AS ST9500423AS ST9500423ASG
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
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.
6 Momentus Product Manual, Rev. A
3.2 Formatted capacity
Model Formatted capacity* Guara nteed sectors Bytes per sector
ST9750422AS, ST9750421AS, ST9750420AS and ST9750420ASG
ST9640422AS, ST9640421AS, ST9640420AS and ST9640420ASG
ST9500424AS, ST9500423AS and
9500423ASG
ST
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
750GB 1,465,149,168
640GB 1,250,284,896
500GB 976,773,168
512
3.2.1 LBA mode
When addressing these drives in LBA mode, all blocks (
sectors) are consecutively numbered from 0 to n–1,
where n is the number of guaranteed sectors as defined above. See Section 5.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137GB.
3.3 Default logical geometry
Cylinders Read/write heads Sectors per track
16,383 16 63
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above.
3.4 Physical organization
Drive model Read/write heads Number of discs
ST9750422AS, ST9750421AS, ST9750420AS and ST9750420ASG
ST9640422AS, ST9640421AS, ST9640420AS and ST9640420ASG
ST9500424AS, ST9500423AS and
9500423ASG
ST
4 2
4 2
3 1
Momentus Product Manual, Rev. A 7
3.5 Recording and interface technology
Interface Serial ATA (SATA) Recording method Perpendicular Recording density BPI (bits/in max) 1,586k Track density TPI (tracks/in max) 341k Areal density (Gb/in2 max) 541 Spindle speed (RPM) (± 0.2%) 7200 Maximum Internal transfer rate (Gb/s) 1305 I/O data-transfer rate (Gb/s max) 3.0 Interleave 1:1 Cache buffer 16MB (16,384KB)
3.6 Physical characteristics
Drive specification
Height (mm)
(in)
Width (mm)
(in)
Length (mm)
(in)
Typical weight
all models
9.5 +/-0.2
0.370 +/-0.008
69.85 +/-0.25
2.750 +/-0.010
100.35 +0.20 / -0.25
3.951 +0.008 / -.010
115 g
0.254 lb
8 Momentus Product Manual, Rev. A
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