SEAGATE ST31000520AS - Manuals

Barracuda LP Series SATA Product Manual, Rev. A 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Barracuda ® LP Series model drives: These drives provide the following key features:• 5,900 RPM spindle speed.• High instantaneou...

2 Barracuda LP Series SATA Product Manual, Rev. A 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 no...

Barracuda LP Series SATA Product Manual, Rev. A 3 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 following dri...

4 Barracuda LP Series SATA Product Manual, Rev. A Table 1: Drive specifications summary for 2000 and 1500 Gbyte models Drive specification ST32000542AS ST31500541AS ST31000520AS Formatted capacity (512 bytes/sector)* 2000 Gbytes 1500 Gbytes 1000 Gbytes Guaranteed sectors 3,907,029,168 2,930,277,168 ...

6 Barracuda LP Series SATA Product Manual, Rev. A 2.1 Formatted capacity *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.1.1 LBA mode When addressing these drives in LBA mode, all blocks (sec...

Barracuda LP Series SATA Product Manual, Rev. A 7 2.4 Physical characteristics 2.5 Access time Access time measurements are taken with nominal power at 25°C ambient temperature. All times are mea-sured using drive diagnostics. The specifications in the table below are defined as follows:• Track-to-t...

8 Barracuda LP Series SATA Product Manual, Rev. A 2.7 Power specifications The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 4 on page 20. 2.7.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typical power measurements...

Barracuda LP Series SATA Product Manual, Rev. A 9 Table 2: DC power requirements * 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. †5W IDLE with DIPLM Enabled Note. Drive supports PH...

10 Barracuda LP Series SATA Product Manual, Rev. A 2.7.1.1 Typical current profiles Figure 1. Typical 12V startup and operation current profile (4 disk typical) Figure 2. Typical 12V startup and operation current profile (2 disk typical)

Barracuda LP Series SATA Product Manual, Rev. A 11 2.7.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load on the +5 volt line.• Using 12-volt power, the drive is expec...

Barracuda LP Series SATA Product Manual, Rev. A 13 2.8 Environmental specifications 2.8.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambi...

Barracuda LP Series SATA Product Manual, Rev. A 15 2.9 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 ...

16 Barracuda LP Series SATA Product Manual, Rev. A 2.11 Reliability 2.11.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) The product shall achieve an Annualized Failure Rate (AFR) of 0.32% (MTBF of 0.75 million hours) when oper-ated in an environment of ambient air temperatures...

Barracuda LP Series SATA Product Manual, Rev. A 17 Korean RRL If these drives have the Korean Communications Commission (KCC) logo, they comply with paragraph 1 of Article 11 of the Electromagnetic Compatibility control Regulation and meet the Electromagnetic Compatibility (EMC) Framework requiremen...

18 Barracuda LP Series SATA Product Manual, Rev. A 2.13 Environmental protection Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting certain chemical substances. 2.13.1 European Union Restriction of Hazardous Substances (RoHS) Direc...

Barracuda LP Series SATA Product Manual, Rev. A 19 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...

20 Barracuda LP Series SATA Product Manual, Rev. A 3.2 Configuring the drive Each drive on the Serial ATA interface connects point-to-point with the Serial ATA host adapter. There is no master/slave relationship because each drive is considered a master in a point-to-point relationship. If two drive...

Barracuda LP Series SATA Product Manual, Rev. A 21 3.4 Drive mounting You can mount the drive in any orientation using four screws in the side-mounting holes or four screws in the bottom-mounting holes. See Figure 5 for drive mounting dimensions. Follow these important mounting precau-tions when mou...

Barracuda LP Series SATA Product Manual, Rev. A 23 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. For detailed inf...

24 Barracuda LP Series SATA Product Manual, Rev. A 4.2 Serial ATA device plug connector pin definitions Table 5 summarizes the signals on the Serial ATA interface and power connectors. 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...

Barracuda LP Series SATA Product Manual, Rev. A 25 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 International Organization: Serial ATA Revision 2.6 (http://www.sata-i...

Barracuda LP Series SATA Product Manual, Rev. A 27 4.3.1 Identify Device command The Identify Device command (command code EC H ) transfers information about the drive to the host following power up. The data is organized as a single 512-byte block of data, whose contents are shown in Table 6 on pag...

28 Barracuda LP Series SATA Product Manual, Rev. A 60–61 Total number of user-addressable LBA sectors available(see Section 2.1 for related information)*Note: The maximum value allowed in this field is: 0FFFFFFFh (268,435,455 sectors, 137 Gbytes). Drives with capacities over 137 Gbytes will have 0FF...

Barracuda LP Series SATA Product Manual, Rev. A 29 Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported Note. See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data. 108–111 The mandatory value of the world wide name (WW...

Barracuda LP Series SATA Product Manual, Rev. A 31 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 inter-rupt....

Barracuda LP Series SATA Product Manual, Rev. A 33 5.0 Seagate Technology support services Internet For information regarding Seagate products and services, visit www.seagate.com . Worldwide support is available 24 hours daily by e-mail for your questions. Presales Support: [email protected] Tech...

34 Barracuda LP Series SATA Product Manual, Rev. A Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate products. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for warr...

Barracuda LP Series SATA Product Manual, Rev. A 35 Index A ACA 16 acceleration 13 acoustics 14 Active 11 Active mode 11 AFR 15 Agency certification 15 altitude 12 Ambient temperature 12 ambient temperature 7 , 8 Annualized Failure Rate 15 Annualized Failure Rate (AFR) 15 areal density 1 , 6 ATA comm...

Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100564361, Rev. A, Printed in U.S.A.