Product Manual
®
Momentus 5400.6 SATA
Standard models
ST9500325AS
ST9320325AS
ST9250315AS
ST9160314AS
ST9120315AS
ST980313AS
ST9500325ASG
ST9320325ASG
ST9250315ASG
ST9160314ASG
ST9120315ASG
ST980313ASG
100528359
Rev. G
December 2012
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CONTENTS
SEAGATE TECHNOLOGY SUPPORT SERVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.0
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1 ABOUT THE SERIAL ATA INTERFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DRIVE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SPECIFICATION SUMMARY TABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FORMATTED CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
DEFAULT LOGICAL GEOMETRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PHYSICAL ORGANIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
RECORDING AND INTERFACE TECHNOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PHYSICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SEEK TIME. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
START/STOP TIMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
POWER SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Deferred spinup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
ENVIRONMENTAL SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
ACOUSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ELECTROMAGNETIC IMMUNITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
RELIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Free Fall Protection feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AGENCY CERTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ENVIRONMENTAL PROTECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CORROSIVE ENVIRONMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CONFIGURING AND MOUNTING THE DRIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
HANDLING AND STATIC-DISCHARGE PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
CONFIGURING THE DRIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SERIAL ATA CABLES AND CONNECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
DRIVE MOUNTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SERIAL ATA (SATA) INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
HOT-PLUG COMPATIBILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
SERIAL ATA DEVICE PLUG CONNECTOR PIN DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SUPPORTED ATA COMMANDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.3.3
Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
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FIGURES
Figure 4.
Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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Seagate Technology Support Services
For information regarding online support 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/support/warranty-and-returns
For information regarding data recovery services, visit http://www.seagate.com/services-software/data-recovery-services/
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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:
STANDARD MODELS
FREE-FALL PROTECTION MODELS
• ST9500325AS
• ST9320325AS
• ST9250315AS
• ST9160314AS
• ST9120315AS
• ST980313AS
• ST9500325ASG
• ST9320325ASG
• ST9250315ASG
• ST9160314ASG
• ST9120315ASG
• ST980313ASG
These drives provide the following key features:
• 5400-RPM spindle speed.
• 8-Mbyte buffer.
• Free Fall Protection (on ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG, ST9120315ASG, and
ST980313ASG models only)
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 3.0 Gbits/sec).
• 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, offers 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.
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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 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
ATA host 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 man-
ages 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
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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 definition, see the
appropriate section of this manual. .
Table 1 Drive specifications for 500, 400 and 320 GB models
ST9500325AS
ST9320325AS
Drive specification
ST9500325ASG
ST9320325ASG
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
500
320
976,773,168
625,142,448
Bytes per sector
512
4
Physical read/write heads
Discs
3
2
2
Cache (Mbytes)
8
Recording density in BPI (bits/inch avg)
Track density TPI (tracks/inch avg)
1490k
265k
394
5400
5.6
2
Areal density (Gbits/inch avg)
Spindle speed (RPM)
Average latency (msec)
Internal transfer rate (Mbits/sec max)
1175
300
I/O data transfer rate
(Mbytes/sec max)
ATA data-transfer modes supported
SATA 1.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max)
9.5 +/- 0.2 mm (0.374 +/- .0079 inches)
Width (max)
69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max)
100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max)
98.8 grams (0.218 lb)
Power-on to ready (sec typical)
Power-on to ready (sec max)
Standby to ready (sec typical)
Standby to ready (sec max)
Track-to-track seek time, read (msec typical)
Average seek, read (msec typical)
Full-stroke seek, read (msec max)
Startup current, +5V (max)
Seek power (typical)
3.6
3.8
1.8
2
1
14
30
1 amp
1.54 watts
Read/write power (typical)
Idle mode, low power (typical)
Standby mode
Read: 1.40 watts; Write: 1.78 watts
0.67 watts
0.20 watts (typical)***
0.20 watts (typical)***
+5V ± 5%
Sleep mode
Voltage tolerance (including noise)
Ambient temperature
0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
35°C (nonoperating)
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Table 1 Drive specifications for 500, 400 and 320 GB models
ST9500325AS
ST9320325AS
Drive specification
ST9500325ASG
ST9320325ASG
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40 (nonoperating)
Altitude, operating
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Shock, operating (Gs max at 2 msec)
Shock, nonoperating (Gs max at 2 msec)
Shock, nonoperating (Gs max at 1 msec)
Shock, nonoperating (Gs max at 0.5 msec)
Vibration, operating
350
800
1000
600
1.0 G (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 5–500 Hz)
Vibration, nonoperating
Drive acoustics, sound power (bels)
Idle**
2.4 (typical)
2.6 (max)
Performance seek
2.6 (typical)
2.7 (max)
14
Nonrecoverable read errors
Annualized Failure Rate (AFR)
Load/Unload (U/UL) cycles
1 per 10 bits read
0.48%
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
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Warranty
For information regarding Warranty Support, visit:
http://www.seagate.com/support/warranty-and-returns
Supports Hotplug operation per Serial ATA
Revision 2.6 specification
Yes (requires COMRESET from host after a hotplug event)
see notes after Table 3.
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Table 2 Drive specifications for 250 and 160 GB models
ST9250315AS
Drive specification
ST9250315ASG
ST9160314AS
ST9160301AS
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
250
160
488,397,168
312,581,808
Bytes per sector
512
2
Physical read/write heads
Discs
1
Cache (Mbytes)
8
Recording density in BPI (bits/inch avg)
Track density TPI (tracks/inch avg)
1490k
265k
394
5400
5.6
1238k
210k
269
2
Areal density (Gbits/inch avg)
Spindle speed (RPM)
Average latency (msec)
Internal transfer rate (Mbits/sec max)
1175
300
I/O data transfer rate
(Mbytes/sec max)
ATA data-transfer modes supported
SATA 1.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max)
9.5 +/- 0.2 mm (0.374 +/- .0079 inches)
Width (max)
69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max)
100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max)
93.5 grams (0.206 lb)
105 grams (0.23 lb)
Power-on to ready (sec typical)
Power-on to ready (sec max)
Standby to ready (sec typical)
Standby to ready (sec max)
Track-to-track seek time, read (msec typical)
Average seek, read (msec typical)
Full-stroke seek, read (msec max)
Startup current, +5V (max)
Seek power (typical)
3.6
3.8
1.8
2
1
14
30
1 amp
1.54 watts
Read/write power (typical)
Idle mode, low power (typical)
Standby mode
Read: 1.40 watts; Write: 1.78 watts
0.67 watts
0.20 watts (typical)***
0.20 watts (typical)***
+5V ± 5%
0.22 watts (typical)***
0.22 watts (typical)***
Sleep mode
Voltage tolerance (including noise)
Ambient temperature
0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
35°C (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40 (nonoperating)
Altitude, operating
–304.8 m to 3,048 m (–1,000 ft to 10,000+ ft)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
Shock, operating (Gs max at 2 msec)
350
800
Shock, nonoperating (Gs max at 2 msec)
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Table 2 Drive specifications for 250 and 160 GB models
ST9250315AS
Drive specification
ST9250315ASG
ST9160314AS
ST9160301AS
Shock, nonoperating (Gs max at 1 msec)
Shock, nonoperating (Gs max at 0.5 msec)
Vibration, operating
1000
600
1.0 G (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 5–500 Hz)
Vibration, nonoperating
Drive acoustics, sound power (bels)
Idle**
2.4 (typical)
2.6 (max)
2.0 (typical)
2.2 (max)
Performance seek
2.6 (typical)
2.7 (max)
2.5 (typical)
2.6 (max)
14
Nonrecoverable read errors
Annualized Failure Rate (AFR)
Load/Unload (U/UL) cycles
1 per 10 bits read
0.48%
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
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Warranty
For information regarding Warranty Support, visit:
http://www.seagate.com/support/warranty-and-returns
Supports Hotplug operation per Serial ATA
Revision 2.6 specification
Yes (requires COMRESET from host after a hotplug event)
see notes after Table 3.
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.
Table 3 Drive specifications for 120 and 80 GB models
ST9120315AS
ST980313AS
Drive specification
ST9120315ASG
ST980313ASG
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
120
80
234,441,648
156,301,488
Bytes per sector
512
1
Physical read/write heads
Discs
1
Cache (Mbytes)
8
Recording density in BPI (bits/inch avg)
Track density TPI (tracks/inch avg)
1490k
265k
394
5400
5.6
2
Areal density (Gbits/inch avg)
Spindle speed (RPM)
Average latency (msec)
Internal transfer rate (Mbits/sec max)
1175
300
I/O data transfer rate
(Mbytes/sec max)
ATA data-transfer modes supported
SATA 1.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max)
9.5 +/- 0.2 mm (0.374 +/- .0079 inches)
Width (max)
69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max)
100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max)
93.5 grams (0.206 lb)
Power-on to ready (sec typical)
Power-on to ready (sec max)
Standby to ready (sec typical)
Standby to ready (sec max)
Track-to-track seek time, read (msec typical)
Average seek, read (msec typical)
Full-stroke seek, read (msec max)
Startup current, +5V (max)
Seek power (typical)
3.6
3.8
1.8
2
1
14
30
1 amp
1.54 watts
Read/write power (typical)
Idle mode, low power (typical)
Standby mode
Read: 1.40 watts; Write: 1.78 watts
0.67 watts
0.20 watts (typical)***
0.20 watts (typical)***
+5V ± 5%
Sleep mode
Voltage tolerance (including noise)
Ambient temperature
0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
35°C (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40 (nonoperating)
Altitude, operating
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
Shock, operating (Gs max at 2 msec)
350
800
Shock, nonoperating (Gs max at 2 msec)
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Table 3 Drive specifications for 120 and 80 GB models
ST9120315AS
ST980313AS
Drive specification
ST9120315ASG
ST980313ASG
Shock, nonoperating (Gs max at 1 msec)
Shock, nonoperating (Gs max at 0.5 msec)
Vibration, operating
1,000
600
1.0 G (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 5–500 Hz)
Vibration, nonoperating
Drive acoustics, sound power (bels)
Idle**
2.4 (typical)
2.6 (max)
Performance seek
2.5 (typical)
2.6 (max)
14
Nonrecoverable read errors
Annualized Failure Rate (AFR)
Load/Unload (U/UL) cycles
1 per 10 bits read
0.48%
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
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Warranty
For information regarding Warranty Support, visit:
http://www.seagate.com/support/warranty-and-returns
Supports Hotplug operation per Serial ATA
Revision 2.6 specification
Yes (requires COMRESET from host after a hotplug event)
*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.
2.2
FORMATTED CAPACITY
Model
Formatted capacity* Guaranteed sectors
Bytes per sector
ST9500325AS and ST9500325ASG
ST9320325AS and ST9320325ASG
ST9250315AS and ST9250315ASG
ST9160314AS and ST9160314ASG
ST9120315AS and ST9120315ASG
ST980313AS and ST980313ASG
500 Gbytes
320 Gbytes
250 Gbytes
160 Gbytes
120 Gbytes
80 Gbytes
976,773,168
625,142,448
488,397,168
312,581,808
234,441,648
156,301,488
512
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
2.2.1 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.
support of drives with capacities over 137 Gbytes.
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2.3
DEFAULT LOGICAL GEOMETRY
CYLINDERS
16,383
READ/WRITE HEADS
SECTORS PER TRACK
63
16
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.
2.4
PHYSICAL ORGANIZATION
DRIVE MODEL
READ/WRITE HEADS
NUMBER OF DISCS
ST9500325AS and ST9500325ASG
ST9320325AS and ST9320325ASG
4
3
2
2
ST9250315AS, ST9250315ASG,
ST9160314AS and ST9160314ASG
2
1
1
1
ST9120315AS, ST9120315ASG,
ST980313AS and ST980313ASG
2.5
RECORDING AND INTERFACE TECHNOLOGY
ST9500325AS, ST9500325ASG,
ST9320325AS, ST9320325ASG,
ST9250315AS, ST9250315ASG
ST9160314AS, ST9160314ASG,
ST9120315AS, ST9120315ASG,
ST980313AS, ST980313ASG
Interface
Serial ATA (SATA)
Perpendicular
1490k
Recording method
Recording density BPI (bits/inch avg)
Track density TPI (tracks/inch avg)
265k
2
394
Areal density (Gbits/inch avg)
Spindle speed (RPM) ( 0.2%)
Maximum Internal transfer rate (Mbits/sec)
I/O data-transfer rate (Mbytes/sec max)
Interleave
5400
1175
300
1:1
Cache buffer
8 Mbytes (8192 kbytes)
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2.6
PHYSICAL CHARACTERISTICS
DRIVE SPECIFICATION
Height
(mm)
9.5 +/-0.2
(inches)
0.374 +/-0.0079
Width
(mm)
69.85 +/-0.25
(inches)
2.75 +/-0.0098
Length
(mm)
100.35 +0.20 / -0.25
(inches)
3.957 +0.0079 / -0.0098
Weight (max)
ST9500325AS
98.8 grams
ST9500325ASG
ST9320325AS
ST9320325ASG
0.218 pounds
ST9250315AS
ST9250315ASG
ST9160314AS
ST9160314ASG
ST9120315AS
ST9120315ASG
ST980313AS
93.5 grams
0.206 pounds
ST980313ASG
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 5000 measurements of seeks between random tracks,
less overhead.
Table 4 Typical seek times
SEEK TIMES (MSEC)
READ
Track-to-track (typical)
Average (typical)
Full-stroke (max)
Average latency
1
14
30
5.56
Note. These drives are designed to consistently meet the seek times represented in this manual. Physical seeks,
regardless of mode (such as track-to-track and average), are expected to meet the noted values. However, due
to the manner in which these drives are formatted, benchmark tests that include command overhead or measure
logical seeks may produce results that vary from these specifications.
2.8
START/STOP TIMES
TIME TO READY
TYPICAL
MAX @ 25°C
Power-on to Ready (sec)
Standby to Ready (sec)
3.6
1.8
3.8
2
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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
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 moves toward a specific position on the disc surface and does not execute
a read or write operation. Servo electronics are active. Seek mode power is measured based on three random seek
operations every 100 msecs. This mode is not typical.
• Read/write power and current
Read/write power is measured with the heads on track, based on three 63 sector read or write operations every 100 msecs.
• Idle mode power
Idle mode power is measured with the drive up to speed, with servo electronics active and with the heads in a random track
location.
• Standby mode
During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/write electronics
are in power-down model
Table 5 DC power
POWER DISSIPATION
+5V INPUT AVERAGE (25° C)
Spinup (max)
Seek
1 amp
1.54 watts
1.40 watts
1.78 watts
1.40 watts
0.78 watts
0.67 watts
0.20 watts
0.20 watts
Read
Write
Idle, performance*
Idle, active*
Idle, low power mode*
Standby**
Sleep
*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.
**Standby power is measured at steady state (after 200ms from transition)
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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 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.
2.9.4 Voltage tolerance
Voltage tolerance (including noise):
5V ± 5%
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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 6 Power management modes
POWER MODES
HEADS
SPINDLE
BUFFER
Active (operating)
Idle, performance
Idle, active
Tracking
Tracking
Floating
Parked
Parked
Parked
Rotating
Rotating
Rotating
Rotating
Stopped
Stopped
Full power
Self refresh—low power
Self refresh—low power
Self refresh—low power
Self refresh—low power
Self refresh—low power
Idle, low power
Standby
Sleep
• Active mode
The drive is in Active mode during the read/write and seek operations.
• Idle mode
The buffer remains enabled, and the drive accepts all commands and returns to Active mode any time disc access is
necessary.
• Standby mode
The drive enters Standby mode when the host sends a Standby Immediate command. If the host has set the standby timer,
the drive can also enter Standby mode automatically after the drive has been inactive for a specifiable length of time. The
standby timer delay is established using a Standby or Idle command. In Standby mode, the drive buffer is in Self Refresh
Low Power mode, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active
mode any time disc access is necessary.
• Sleep mode
The drive enters Sleep mode after receiving a Sleep command from the host. In Sleep mode, the drive buffer is in Self
Refresh Low Power mode, the heads are parked and the spindle is at rest. The drive leaves Sleep mode after it receives a
Hard Reset or Soft Reset from the host. After receiving a reset, the drive exits Sleep mode and enters Standby mode with
all current translation parameters intact.
• Idle and Standby timers
Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins count-
ing down from its specified delay times to zero. If the standby timer reaches zero before any drive activity is required, the
drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to
Active mode when disc access is necessary.
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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 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)
Note. The recommended storage period:
• 1 year under controlled conditions of 34°C 90%RH or less
• 90 days in uncontrolled storage conditions
2.10.2 Temperature gradient
Operating
20°C per hour (68°F per hour max), without condensation
35°C per hour (95°F per hour max), without condensation
Nonoperating
2.10.3 Humidity
2.10.3.1 Relative humidity
Operating
5% to 95% noncondensing (30% per hour max)
5% to 95% noncondensing (30% per hour max)
Nonoperating
2.10.3.2 Wet bulb temperature
Operating
37.7°C (99.86°F max)
Nonoperating
40°C (104°F max)
2.10.4 Altitude
Operating
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Nonoperating
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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,
tional information about this feature.
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 350 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 level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 800 Gs based on a nonrepetitive half-sine shock pulse of 2 msec
duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 1000 Gs based on a nonrepetitive half-sine shock pulse of 1 msec
duration.
The nonoperating shock level that the drive can experience without incurring physical damage or degradation in
performance when subsequently put into operation is 600 Gs based on a nonrepetitive half-sine shock pulse of 0.5 msec
duration.
2.10.6 Vibration
All vibration specifications assume that the drive is mounted securely with the input vibration applied at the drive mounting
screws. Vibration may be applied in the X, Y or Z axis.
2.10.6.1 Operating vibration
The maximum vibration levels that the drive may experience while meeting the performance standards specified in this
document are specified below.
5–500 Hz
1.0 Gs (0 to peak). Max displacement may apply below 10 Hz.
2.10.6.2 Nonoperating vibration
The maximum nonoperating vibration levels that the drive may experience without incurring physical damage or degradation in
performance when subsequently put into operation are specified below.
5–500 Hz:
5.0 Gs (0 to peak). Max displacement may apply below 22 Hz.
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2.11 ACOUSTICS
Drive emission of sound is measured consistent with the ECMA-74 and its’ referenced standards. Testing is conducted at
room temperature (approximately 25°C). Emission levels are reported as the total A-weighted sound power levels for steady
state, idle, and active seek modes of operation.
Table 7 Drive A-weighted Sound Power Levels (SWL, BA)
IDLE*
PERFORMANCE SEEK
ST9500325AS, ST9500325ASG,
ST9320325AS, ST9320325ASG, ST9500325AS, ST9500325ASG,
ST9250315AS, ST9250315ASG, ST9320325AS, ST9320325ASG, ST9120315AS, ST9120315ASG,
ST9160314AS, ST9160314ASG, ST9250315AS, ST9250315ASG, ST980313AS, ST980313ASG
ST9120315AS, ST9120315ASG, ST9160314AS, ST9160314ASG
ST980313AS, ST980313ASG
2.4 bels (typ)
2.6 bels (max)
2.6 bels (typ)
2.7 bels (max)
2.5 bels (typ)
2.6 bels (max)
*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.
Test for Prominent Discrete Tones (PDTs)
Seagate follows the ECMA-74 standards for measurement and identification of PDTs. An exception to this process is the use
of the absolute threshold of hearing. Seagate uses the lower limit for the threshold curve* to discern tone audibility and to
compensate for the inaudible components of sound prior to computation of tone ratios according to Annex D of the ECMA-74
standards.
*Defined as the median curve given by ISO 389-7 (Tf curve) minus 10dB at all frequencies.
2.12 ELECTROMAGNETIC IMMUNITY
When properly installed in a representative host system, the drive operates without errors or degradation in performance
when subjected to the radio frequency (RF) environments defined in the following table:
Table 8 Radio frequency environments
PERFORMANCE REFERENCE
TEST
DESCRIPTION
LEVEL
STANDARD
Electrostatic discharge
Radiated RF immunity
B
A
EN 61000-4-2: 95
Contact, HCP, VCP: 4 kV; Air: 8 kV
80 to 2,000 MHz, 10 V/m,
80% AM with 1 kHz sine
EN 61000-4-3: 96
ENV 50204: 95
900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz
Electrical fast transient
Surge immunity
1 kV on AC mains, 0.5 kV on external I/O
1 kV differential, 2 kV common, AC mains
B
B
A
EN 61000-4-4: 95
EN 61000-4-5: 95
EN 61000-4-6: 97
Conducted RF immunity
150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz
sine
Power Frequency H-field
immunity
1 A/m, 50Hz/60Hz, 3 axes
A
EN 61000-4-8: 97
EN 61000-4-11: 94
Voltage dips, interrupts
30% Reduction for 25 cycles
>95% Reduction for 250 cycles
>95%, 0.5 cycles
C
C
B
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2.13 RELIABILITY
MEASUREMENT TYPE
SPECIFICATION
14
Nonrecoverable read errors
1 per 10 bits read, max.
Annualized Failure Rate (AFR)
Load/Unload (U/UL)
<0.48%
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
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Warranty
For information regarding Warranty Support, visit:
http://www.seagate.com/support/warranty-and-returns
2.13.1 Free Fall Protection feature
The Free Fall Protection feature provides enhanced data protection against shock events that may occur while the drive is
operating. This feature is designed to decrease the likelihood of data loss by detecting a free fall event and unloading the
actuator before a shock takes place in falls of >8 inches (nominal). The drive uses a 0 G sensor mounted on the printed
circuit board assembly (PCBA) to sense this event.
To enable the Free Fall Protection feature on ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG,
ST9120315ASG and ST980313ASG models, use Set Features command 41h. To disable this feature, use Set Features
command C1h.
Information about Free Fall Events that have occurred is available through SMART attribute FEh.
Note. Of the models documented in this product manual, the Free Fall Protection feature is provided only on
ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG, ST9120315ASG, and ST980313ASG
models.
2.14 AGENCY CERTIFICATION
2.14.1 Safety certification
The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections of IEC950 and
EN 60950 as tested by TUV North America.
2.14.2 Electromagnetic compatibility
Hard drives that display the CE mark comply with the European Union (EU) requirements specified in the Electromagnetic
Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product standards for Information
Technology Equipment (ITE). Emission levels are defined by EN 55022, Class B and the immunity levels are defined by EN
55024.
Seagate uses an independent laboratory to confirm compliance with the EC directives specified in the previous paragraph.
Drives are tested in representative end-user systems. Although CE-marked Seagate drives comply with the directives when
used in the test systems, we cannot guarantee that all systems will comply with the directives. The drive is designed for
operation inside a properly designed enclosure, with properly shielded I/O cable (if necessary) and terminators on all unused
I/O ports. Computer manufacturers and system integrators should confirm EMC compliance and provide CE marking for their
products.
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Korean RRL
If these drives have the Korea Ministry of Information and Communication (MIC) logo, they comply with paragraph 1 of
Article 11 of the Electromagnetic Compatibility control Regulation and meet the Electromagnetic Compatibility (EMC)
Framework requirements of the Radio Research Laboratory (RRL) Ministry of Information and Communication Republic of
Korea.
These drives have been tested and comply with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS)
for Class B products. Drives are tested in a representative, end-user system by a Korean-recognized lab.
• Certificate number: STX-54006 (B)
• Trade name or applicant: Seagate Technology LLC
• Date of Certification: October 01, 2008
• Manufacturer/nationality: USA, Singapore and China
Australian C-Tick (N176)
If these models have the C-Tick marking, they comply with the Australia/New Zealand Standard AS/NZS3548 1995 and meet
the Electromagnetic Compatibility (EMC) Framework requirements of the Australian Communication Authority (ACA).
2.14.3 FCC verification
These drives are intended to be contained solely within a personal computer or similar enclosure (not attached as an
external device). As such, each drive is considered to be a subassembly even when it is individually marketed to the
customer. As a subassembly, no Federal Communications Commission verification or certification of the device is required.
Seagate Technology LLC has tested this device in enclosures as described above to ensure that the total assembly
(enclosure, disc drive, motherboard, power supply, etc.) does comply with the limits for a Class B computing device,
pursuant to Subpart J, Part 15 of the FCC rules. Operation with noncertified assemblies is likely to result in interference to
radio and television reception.
Radio and television interference. This equipment generates and uses radio frequency energy and if not installed and
used in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception.
This equipment is designed to provide reasonable protection against such interference in a residential installation. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to
radio or television, which can be determined by turning the equipment on and off, you are encouraged to try one or more of
the following corrective measures:
• Reorient the receiving antenna.
• Move the device to one side or the other of the radio or TV.
• Move the device farther away from the radio or TV.
• Plug the computer into a different outlet so that the receiver and computer are on different branch outlets.
If necessary, you should consult your dealer or an experienced radio/television technician for additional suggestions. You
may find helpful the following booklet prepared by the Federal Communications Commission: How to Identify and Resolve
Radio-Television Interference Problems. This booklet is available from the Superintendent of Documents, U.S. Government
Printing Office, Washington, DC 20402. Refer to publication number 004-000-00345-4.
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2.15 ENVIRONMENTAL PROTECTION
Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting
certain chemical substances.
2.15.1 European Union Restriction of Hazardous Substances (RoHS)
Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting
certain chemical substances. A new law, the European Union Restriction of Hazardous Substances (RoHS) Directive,
restricts the presence of chemical substances, including Lead, Cadmium, Mercury, Hexavalent Chromium, PBB and PBDE,
in electronic products, effective July 2006. This drive is manufactured with components and materials that comply with the
RoHS Directive..
2.15.2 China Restriction of Hazardous Substances (RoHS) Directive
This product has an Environmental Protection Use Period (EPUP) of 20 years. The following table contains
information mandated by China's "Marking Requirements for Control of Pollution Caused by Electronic
Information Products" Standard.
"O" indicates the hazardous and toxic substance content of the part (at the homogenous material level) is lower than the
threshold defined by the China RoHS MCV Standard.
"X" indicates the hazardous and toxic substance content of the part (at the homogenous material level) is over the threshold
defined by the China RoHS MCV Standard.
2.16 CORROSIVE ENVIRONMENT
Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years exposure to light industrial
environments containing sulfurous gases, chlorine and nitric oxide, classes G and H per ASTM B845. However, this
accelerated testing cannot duplicate every potential application environment.
Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corrosive chemicals
as electronic drive component reliability can be affected by the installation environment. The silver, copper, nickel and gold
films used in Seagate products are especially sensitive to the presence of sulfide, chloride, and nitrate contaminants. Sulfur
is found to be the most damaging. In addition, electronic components should never be exposed to condensing water on the
surface of the printed circuit board assembly (PCBA) or exposed to an ambient relative humidity greater than 95%. Materials
used in cabinet fabrication, such as vulcanized rubber, that can outgas corrosive compounds should be minimized or
eliminated. The useful life of any electronic equipment may be extended by replacing materials near circuitry with sulfide-free
alternatives.
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3.0 CONFIGURING AND MOUNTING THE DRIVE
This section contains the specifications and instructions for configuring and mounting the drive.
3.1
HANDLING AND STATIC-DISCHARGE PRECAUTIONS
After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic discharge (ESD)
hazards. Observe the following standard handling and static-discharge precautions:
Caution:
• Keep the drive in the electrostatic discharge (ESD) bag until you are ready for installation to limit the drive’s exposure to ESD.
• Before handling the drive, put on a grounded wrist strap, or ground yourself frequently by touching the metal chassis of a
computer that is plugged into a grounded outlet. Wear a grounded wrist strap throughout the entire installation procedure.
• Handle the drive only by its edges or frame.
• The drive is fragile—handle it with care. Do not press down on the drive top cover.
• Always rest the drive on a padded, antistatic surface until you mount it in the computer.
• Do not touch the connector pins or the printed circuit board.
• Do not remove the factory-installed labels from the drive or cover them with additional labels. Removal voids the warranty.
Some factory-installed labels contain information needed to service the drive. Other labels are used to seal out dirt and
contamination.
3.2
CONFIGURING THE DRIVE
Each drive on the Serial ATA interface connects in a point-to-point configuration with the Serial ATA host adapter. There is no
master/slave relationship because each drive is considered a master in a point-to-point relationships. If two drives are
attached on one Serial ATA host adapter, the host operating system views the two devices as if they were both “masters” on
two separate ports. This means both drives behave as if they are Device 0 (master) devices.
Serial ATA drives are designed for easy installation. It is normally not necessary to set any jumpers on this drive for proper
operation. If the host system does not support SATA 3Gb/s operation, place a jumper on pins 1 and 2 to limit the drive to
1.5Gb/s operation.
3.0 Gbits per second operation
Limit data transfer rate to
1.5 Gbits per second
Jumper block
SATA power connector
SATA interface connector
Figure 2. Serial ATA connectors
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3.3
SERIAL ATA CABLES AND CONNECTORS
The Serial ATA interface cable consists of four conductors in two differential pairs, plus three ground connections. The cable
size may be 30 to 26 AWG with a maximum length of one meter (39.37 inches). See Table 9 for connector pin definitions.
Either end of the SATA signal cable can be attached to the drive or host.
For direct backplane connection, the drive connectors are inserted directly into the host receptacle. The drive and the host
receptacle incorporate features that enable the direct connection to be hot pluggable and blind mateable.
inter ace connector
Power connector
inter ace ca le
Power ca le
Figure 3. Attaching SATA cabling
Each cable is keyed to ensure correct orientation.
3.4
DRIVE MOUNTING
You can mount the drive using four screws in the side-mounting holes or four screws in the bottom-mounting holes. See
Figure Figure 4. for drive mounting dimensions. Follow these important mounting precautions when mounting the drive:
• Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire perimeter of the drive for cooling.
• Use only M3 UNC mounting screws.
• Do not overtighten the mounting screws. Maximum torque: 4.0 inch-lb (0.4519 N-m).
• Four (4) threads (0.080 inches, 2.032 mm) minimum screw engagement recommended.
• Avoid excessive drive distortion when mounting. Refer to the following specifications for stiffness/deflection information:
TOP COVER STIFFNESS/DEFLECTION
Operating with no performance degradation, emitted noise,
mechanical damage, or hard errors
10 mm probe: 2.0kgf OR
5 mm probe: 0.92kgf
Non-operating with no hard errors
20 mm probe: 2kgf at any point of top cover
20 mm probe: 15kgf at top cover edges only
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4.0 SERIAL ATA (SATA) INTERFACE
These drives use the industry-standard Serial ATA interface that supports FIS data transfers. It supports ATA programmed
input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–6. The drive also supports the use of
the IORDY signal to provide reliable high-speed data transfers.
For detailed information about the Serial ATA interface, refer to the “Serial ATA: High Speed Serialized AT Attachment”
specification.
4.1
HOT-PLUG COMPATIBILITY
Momentus 5400.6 SATA drives incorporate connectors which enable you to hot plug these drives in accordance with the
Serial ATA: High Speed Serialized AT Attachment specification revision 2.0. This specification can be downloaded from http:/
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4.2
SERIAL ATA DEVICE PLUG CONNECTOR PIN DEFINITIONS
Table 9 summarizes the signals on the Serial ATA interface and power connectors..
Table 9 Serial ATA connector pin definitions
SEGMENT PIN
FUNCTION DEFINITION
S1
S2
S3
S4
S5
S6
Ground
A+
2nd mate
Differential signal pair A from Phy
A-
Ground
B-
2nd mate
Differential signal pair B from Phy
B+
Signal
S7
Ground
2nd mate
Key and spacing separate signal and power segments
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
V33
3.3V power
Power
V33
3.3V power
V33
3.3V power, pre-charge, 2nd mate
Ground
Ground
Ground
V5
1st mate
2nd mate
2nd mate
5V power, pre-charge, 2nd mate
V5
5V power
V5
5V power
Ground
Reserved
2nd mate
The pin corresponding to P11 in the backplane receptacle connector is also reserved
The corresponding pin to be mated with P11 in the power cable receptacle connector
shall always be grounded
P12
P13
P14
P15
Ground
V12
1st mate.
12V power, pre-charge, 2nd mate
12V power
V12
V12
12V power
Notes:
1. All pins are in a single row, with a 1.27 mm (0.050”) pitch.
2. The comments on the mating sequence apply to the case of backplane blindmate connector only. In this case, the mat-
ing sequences are:
• the ground pins P4 and P12.
• the pre-charge power pins and the other ground pins.
• the signal pins and the rest of the power pins.
3. There are three power pins for each voltage. One pin from each voltage is used for pre-charge when installed in a blind-
mate backplane configuration.
4. All used voltage pins (Vx) must be terminated.
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4.3
SUPPORTED ATA COMMANDS
The following table lists Serial ATA standard commands that the drive supports. For a detailed description of the ATA
commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. See “S.M.A.R.T. commands” on
COMMAND NAME
COMMAND CODE (IN HEX)
ATA-STANDARD COMMANDS
Device Configuration Restore
Device Configuration Freeze Lock
Device Configuration Identify
Device Configuration Set
Download Microcode
Execute Device Diagnostics
Flush Cache
B1h/C0h
B1h/C1h
B1h/C2h
B1h/C3h
92h
90h
E7h
Flush Cache Extended
Identify Device
EAh
ECh
91h
Initialize Device Parameters
Read Buffer
E4h
Read DMA
C8h
Read DMA Extended
Read DMA without Retries
Read Long with Retries
Read Long without Retries
Read Multiple
25h
C9h
22h
23h
C4h
Read Multiple Extended
Read Native Max Address
Read Native Max Address Extended
Read Sectors
29h
F8h
27h
20h
Read Sectors Extended
Read Sectors without Retries
Read Verify Sectors
24h
21h
40h
Read Verify Sectors Extended
Read Verify Sectors without Retries
Seek
42h
41h
70h
Set Features
EFh
Set Max Address
F9h
Note: Individual Set Max commands are identi-
fied by the value placed in the Set Max Fea-
tures register as defined to the right.
Address:
Password:
Lock:
Unlock:
Freeze Lock:
00
01
02
03
04
H
H
H
H
H
Set Multiple Mode
C6h
S.M.A.R.T. Disable Operations
S.M.A.R.T. Enable/Disable Autosave
B0h/D9h
B0h/D2h
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COMMAND NAME
COMMAND CODE (IN HEX)
S.M.A.R.T. Enable Operations
S.M.A.R.T. Enable/Disable Auto Offline
S.M.A.R.T. Enable One Attribute Modification
S.M.A.R.T. Execute Offline
S.M.A.R.T. Read Attribute Thresholds
S.M.A.R.T. Read Data
B0h/D8h
B0h/DBh
B0h/E0h
B0h/D4h
B0h/D1h
B0h/D0h
B0h/D5h
B0h/DAh
B0h/D3h
B0h/D7h
B0h/E1h
B0h/D6h
E8h
S.M.A.R.T. Read Log Sector
S.M.A.R.T. Return Status
S.M.A.R.T. Save Attribute Values
S.M.A.R.T. Write Attribute Thresholds
S.M.A.R.T. Write Attribute Values
S.M.A.R.T. Write Log Sector
Write Buffer
Write DMA
CAh
Write DMA Extended
35h
Write DMA without Retries
Write Long with Retries
CBh
32h
Write Long without Retries
Write Multiple
33h
C5h
Write Multiple Extended
39h
Write Sectors
30h 31h
,
Write Sectors Extended
Write Uncorrectable
34h
45h
ATA-STANDARD POWER-MANAGEMENT COMMANDS
Check Power Mode
E5h
Idle
E3h
E1h
E6h
E2h
E0h
Idle Immediate
Sleep
Standby
Standby Immediate
ATA-STANDARD SECURITY COMMANDS
Security Set Password
Security Unlock
F1h
F2h
F3h
F4h
F5h
F6h
Security Erase Prepare
Security Erase Unit
Security Freeze Lock
Security Disable Password
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4.3.1 Identify Device command
The Identify Device command (command code EC ) transfers information about the drive to the host following power up.
H
The data is organized as a single 512-byte block of data, whose contents are shown in the table on page 27. All reserved bits
or words should be set to zero. Parameters listed with an “x” are drive-specific or vary with the state of the drive.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
WORD
DESCRIPTION
VALUE
0C5A
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
• Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
H
0
1
2
Number of logical cylinders
ATA-reserved
16,383
0000
H
3
4
Number of logical heads
Retired
16
0000
H
H
5
Retired
0000
6
Number of logical sectors per logical track: 63
Retired
003F
H
7–9
10–19
20
0000
H
Serial number: (20 ASCII characters, 0000 = none)
ASCII
H
Retired
Retired
Obsolete
0000
0400
0000
x.xx
H
H
H
21
22
23–26
Firmware revision (8 ASCII character string, padded with
blanks to end of string)
27–46
Drive model number: (40 ASCII characters, padded with
blanks to end of string)
ST9500325AS
ST9500325ASG
ST9320325AS
ST9320325ASG
ST9250315AS
ST9250315ASG
ST9160314AS
ST9160314ASG
ST9120315AS
ST9120315ASG
ST980313AS
ST980313ASG
47
(Bits 7–0) Maximum sectors per interrupt on Read multiple
and Write multiple (16)
8010
H
48
49
Reserved
0000
H
Standard Standby timer, IORDY supported and may be dis-
abled
2F00
H
50
51
52
53
54
55
ATA-reserved
0000
0200
0200
0007
H
H
H
H
PIO data-transfer cycle timing mode
Retired
Words 54–58, 64–70 and 88 are valid
Number of current logical cylinders
Number of current logical heads
xxxx
H
xxxx
H
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WORD
56
DESCRIPTION
VALUE
Number of current logical sectors per logical track
Current capacity in sectors
xxxx
xxxx
xxxx
H
H
H
57–58
59
Number of sectors transferred during a Read Multiple or
Write Multiple command
60–61
Total number of user-addressable sectors
ST9500325AS = 0FFFFFFFh
ST9500325ASG = 0FFFFFFFh
ST9320325AS = 0FFFFFFFh
ST9320325ASG = 0FFFFFFFh
ST9250315AS = 0FFFFFFFh
ST9250315ASG = 0FFFFFFFh
ST9160314AS = 0FFFFFFFh
ST9160314ASG = 0FFFFFFFh
ST9120315AS = 234,441,648
ST9120315ASG = 234,441,648
ST980313AS = 156,301,488
ST980313ASG = 156,301,488
This field contains a value that is one greater than the total
number of user-addressable sectors. The maximum value
that shall be placed in this field is 0FFFFFFFh. The
0FFFFFFFh value applies to all capacities over 137Gbytes
62
63
Retired
0000
H
Multiword DMA active and modes supported
(see note following this table)
xx07
H
64
65
Advanced PIO modes supported (modes 3 and 4 supported)
0003
0078
H
Minimum multiword DMA transfer cycle time per word
(120 nsec)
H
66
67
Recommended multiword DMA transfer cycle time per word
(120 nsec)
0078
H
Minimum PIO cycle time without IORDY flow control
(240 nsec)
00F0
H
68
69–74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Minimum PIO cycle time with IORDY flow control (120 nsec)
ATA-reserved
0078
0000
H
H
Queue depth
001F
H
H
H
H
H
Serial ATA capabilities
0508
0000
0048
0040
ATA-reserved
Serial ATA features supported
Serial ATA features enabled
Major version number
003E
H
Minor version number
0028
H
Command sets supported
Command sets supported
Command sets support extension
Command sets enabled
Command sets enabled
Command sets enable extension
306B
H
H
H
H
4001
6123
30xx
0001
4000
H
H
H
Ultra DMA support and current mode
(see note following this table)
xx7F
89
90
Security erase time
0000
0000
H
H
Enhanced security erase time
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WORD
92
DESCRIPTION
VALUE
FFFE
Master password revision code
H
93
Hardware reset value
xxxx
H
(see description following this table)
94
Auto acoustic management setting
ATA-reserved
xxxx
H
95–99
0000
H
100–
103
Total number of user-addressable LBA sectors available
ST9500325AS = 0FFFFFFFh
ST9500325ASG = 0FFFFFFFh
ST9320325AS = 0FFFFFFFh
ST9320325ASG = 0FFFFFFFh
ST9250315AS = 0FFFFFFFh
ST9250315ASG = 0FFFFFFFh
ST9160314AS = 0FFFFFFFh
ST9160314ASG = 0FFFFFFFh
ST9120315AS = 234,441,648
ST9120315ASG = 234,441,648
These words are required for drives that support the 48-bit
addressing feature. Maximum value: 0000FFFFFFFFFFFFh.
ST980313AS
= 156,301,488
ST980313ASG = 156,301,488
104–
118
ATA-reserved
0000
H
119
Free Fall Protection support (bit 5)
Free Fall Protection enable/disable (bit 5)
ATA reserved
1 = Free Fall Protection supported
0 = Free Fall Protection not supported
120
1 = Free Fall Protection feature is enabled
0 = Free Fall Protection feature is disabled
121–
127
0000
H
128
Security status
0001
H
129–
159
Seagate-reserved
xxxx
H
160–
254
ATA-reserved
Integrity word
0000
xxA5
H
H
255
Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data:
Description (if bit is set to 1)
BIT
WORD 63
0
Multiword DMA mode 0 is supported.
Multiword DMA mode 1 is supported.
Multiword DMA mode 2 is supported.
Multiword DMA mode 0 is currently active.
Multiword DMA mode 1 is currently active.
Multiword DMA mode 2 is currently active.
1
2
8
9
10
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BIT
WORD 88
0
1
Ultra DMA mode 0 is supported.
Ultra DMA mode 1 is supported.
Ultra DMA mode 2 is supported.
Ultra DMA mode 3 is supported.
Ultra DMA mode 4 is supported.
Ultra DMA mode 5 is supported
Ultra DMA mode 6 is supported
Ultra DMA mode 0 is currently active.
Ultra DMA mode 1 is currently active.
Ultra DMA mode 2 is currently active.
Ultra DMA mode 3 is currently active.
Ultra DMA mode 4 is currently active.
Ultra DMA mode 5 is currently active.
Ultra DMA mode 6 is currently active.
WORD 93
2
3
4
5
6
8
9
10
11
12
13
14
BIT
13
1 = 80-conductor cable detected, CBLID above VIH
0 = 40-conductor cable detected, CBLID below VIL
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4.3.2 Set Features command
This command controls the implementation of various features that the drive supports. When the drive receives this
command, it sets BSY, checks the contents of the Features register, clears BSY and generates an interrupt. If the value in
the register does not represent a feature that the drive supports, the command is aborted. Power-on default has the read
look-ahead and write caching features enabled. The acceptable values for the Features register are defined as follows:
Table 10 Set Features command values
02
03
Enable write cache (default).
H
Set transfer mode (based on value in Sector Count register).
Sector Count register values:
H
00 Set PIO mode to default (PIO mode 2).
H
01 Set PIO mode to default and disable IORDY (PIO mode 2).
H
08 PIO mode 0
H
09 PIO mode 1
H
0A PIO mode 2
H
0B PIO mode 3
H
0C PIO mode 4 (default)
H
20 Multiword DMA mode 0
H
21 Multiword DMA mode 1
H
22 Multiword DMA mode 2
H
40 Ultra DMA mode 0
H
41 Ultra DMA mode 1
H
42 Ultra DMA mode 2
H
43 Ultra DMA mode 3
H
44 Ultra DMA mode 4
H
45 Ultra DMA mode 5
H
46 Ultra DMA mode 6
H
55
82
Disable read look-ahead (read cache) feature.
Disable write cache
H
H
AA
Enable read look-ahead (read cache) feature (default).
H
H
H
C1
Disable the Free Fall Protection feature (41 above enables the Free Fall Protection feature)
H
F1
Report full capacity available
Note. At power-on, or after a hardware or software reset, the default values of the features are as indicated above.
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4.3.3 S.M.A.R.T. commands
S.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. is enabled, the drive monitors
predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determines that a failure is
likely, S.M.A.R.T. makes a status report available to the host. Not all failures are predictable. S.M.A.R.T. predictability is
limited to the attributes the drive can monitor. For more information on S.M.A.R.T. commands and implementation, see the
Draft ATA-8 Standard.
SeaTools diagnostic software activates a built-in drive self-test (DST S.M.A.R.T. command for D4 ) that eliminates
H
unnecessary drive returns. The diagnostic software ships with all new drives and is also available at:
This drive is shipped with S.M.A.R.T. features disabled. You must have a recent BIOS or software package that supports
S.M.A.R.T. to enable this feature. The table below shows the S.M.A.R.T. command codes that the drive uses.
Table 11 S.M.A.R.T. commands
CODE IN FEATURES REGISTER
S.M.A.R.T. COMMAND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
S.M.A.R.T. Read Data
H
H
H
H
H
H
H
H
H
H
Vendor-specific
S.M.A.R.T. Enable/Disable Attribute Autosave
S.M.A.R.T. Save Attribute Values
S.M.A.R.T. Execute Off-line Immediate (runs DST)
S.M.A.R.T. Read Log Sector
S.M.A.R.T. Write Log Sector
Vendor-specific
S.M.A.R.T. Enable Operations
S.M.A.R.T. Disable Operations
S.M.A.R.T. Return Status
DA
H
Note. If an appropriate code is not written to the Features Register, the command is aborted and 0x04 (abort) is written
to the Error register.
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INDEX
A
ACA 19
Address 26
AFR 18
Diagnostics 26
dimensions 23
Altitude 15
dissipation 12
E
error-correction algorithms
ESD 21
B
EU 18
C
cache 10
capacity
F
features
certification 18
compatibility 18
connectors 22
Formatted capacity
G
Gbytes
geometry 10
cycles 18
Cylinders 10
H
handling 21
D
heads 10
data-transfer rates
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height 11
Humidity 15
O
I
P
Identify 26
IEC950 18
Interface 10
interface 24
Interleave 10
Q
Internal data-transfer rate 10
ITE 18
quick reference
R
K
L
length 11
Load/Unload 18
M
master/slave
Microcode 26
mounting 22
N
Recording method 10
Reliability 18
noise 13
resistance 13
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Retries 26
RF 17
RoHS 20
RRL 19
T
timers 14
S
S.M.A.R.T. 27
Seagate Technology Support Services
U
sector
sectors
V
Seek 26
Vibration 16
W
Warranty 18
weight 11
width 11
Seeking 12
Serial ATA 10
serial ATA ports
Shock 16
Specification summary table
Spinup 12
static-discharge 21
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Seagate Technology LLC
AMERICAS Seagate Technology LLC 10200 South De Anza Boulevard, Cupertino, California 95014, United States, 408-658-1000
ASIA/PACIFIC Seagate Singapore International Headquarters Pte. Ltd. 7000 Ang Mo Kio Avenue 5, Singapore 569877, 65-6485-3888
EUROPE, MIDDLE EAST AND AFRICA Seagate Technology SAS 16-18 rue du Dôme, 92100 Boulogne-Billancourt, France, 33 1-4186 10 00
Publication Number: 100528359, Rev. G
December 2012
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