Publication number: 100529372, Rev. E October 2009
Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC
in the United States and/or other countries. Pipeline HD.2 Series, SeaTools and SeaTDD are either trade
marks 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.
When referring to hard drive capacity, 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 measure
ment 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.
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Pipeline HD.2 Series SATA Product Manual, Rev. Ei
iiPipeline HD.2 Series SATA Product Manual, Rev. E
• Worldwide Name (WWN) capability uniquely identifies the drive.
TM
.2 Series model drive:
Pipeline HD.2 Series SATA Product Manual, Rev. E 1
1.1About 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 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 disk drive in your current
system and expect all of your existing applications to work as normal.
The Serial ATA interface connects each disk 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 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 International
Organization: Serial ATA Revision 2.6”. The specification can be downloaded from www.sata-io.org.
2Pipeline HD.2 Series SATA Product Manual, Rev. E
2.0Drive 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
following drive model:
The specifications listed in the following tables are for quick reference. For details on specification measurement or definition, refer to the appropriate section of this manual.
Pipeline HD.2 Series SATA Product Manual, Rev. E 3
Table 1: Drive specifications summary for 1000GB models
Drive specificationST31000424CSST31000322CS
Formatted Capacity
(512 bytes/sector)*
Guaranteed sectors1,953,525,168
Heads4
Disks2
Bytes per sector512
Default sectors per track63
Default read/write heads16
Default cylinders16,383
Recording density (max.)1417kb/in
Track density (avg.)236 ktracks/in
Areal density (avg.) 341.5Gb/in
Spindle speed 5900 RPM
Internal data transfer rate (max.)1285Mb/s
Sustained data transfer rate (max.)120MB/s
I/O data-transfer rate (max.)300MB/s
ATA data-transfer modes supportedPIO modes: 0 to4
Cache buffer 16MB8MB
Height (max.)26.1mm / 1.028 in
Width (max.)101.85mm / 4.010 in
Length (max.)146.99mm / 5.787 in
Weight (typical)615g / 1.356 lb
Average latency5.1ms
Power-on to ready (typical)<12s
Standby to ready (typical)<12s
Track-to-track seek time (typical)<1.0ms ( read)
Average seek (typical)<14.0ms read
Startup current 12V-peak (typical)2.0A
Voltage tolerance (including noise)5V ± 5%
Operating temperature
(drive case temperature)
Non-operating temperature (ambient)–40° to 70°C
Temperature gradient (max.)20°C per hour (operating)
Relative humidity5% to 90% (operating)
Relative humidity gradient (max.)30% per hour
Wet bulb temperature (max.)37.7°C (operating)
Altitude, operating–60.96m to 3,048m
Altitude, non-operating
(below mean sea level, max.)
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 dis
play the warranty information for your drive.
Yes
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Pipeline HD.2 Series SATA Product Manual, Rev. E 5
Table 2: Drive specifications summary for 500 and 320GB models
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 dis
play the warranty information for your drive.
Yes
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Pipeline HD.2 Series SATA Product Manual, Rev. E 7
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