Page 3 - Contents
Barracuda 7200.8 Serial ATA Product Manual, Rev. F i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - ii
ii Barracuda 7200.8 Serial ATA Product Manual, Rev. F
Page 5 - iii; List of Figures
Barracuda 7200.8 Serial ATA Product Manual, Rev. F iii List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . ....
Page 7 - Introduction; Barracuda
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Barracuda ® 7200.8 Serial ATA model drives: Barracuda 7200.8 Serial ATA • ST3400832AS • ST3400632AS • ST3300831AS • ST3300631A...
Page 8 - About the Serial ATA interface; ers or other configuration options.
2 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 i...
Page 9 - Drive specifications; Specification summary tables
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 ST3400832A...
Page 10 - Drive specifications for 400 Gbyte models; Drive specification
4 Barracuda 7200.8 Serial ATA Product Manual, Rev. F Table 1: Drive specifications for 400 Gbyte models Drive specification ST3400832AS ST3400632AS Formatted Gbytes (512 bytes/sector)* 400 Guaranteed sectors 781,422,768 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 De...
Page 12 - Drive specifications for 300 Gbyte models
6 Barracuda 7200.8 Serial ATA Product Manual, Rev. F Table 2: Drive specifications for 300 Gbyte models Drive specification ST3300831AS ST3300631AS Formatted Gbytes (512 bytes/sector)* 300 Guaranteed sectors 586,072,368 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 De...
Page 14 - Drive specifications for 250 and 200 Gbyte models
8 Barracuda 7200.8 Serial ATA Product Manual, Rev. F Table 3: Drive specifications for 250 and 200 Gbyte models Drive specification ST3250823AS ST3250623AS ST3200826AS Formatted Gbytes (512 bytes/sector)* 250 200 Guaranteed sectors 488,397,168 390,721,968 Bytes per sector 512 Default sectors per tra...
Page 16 - Formatted capacity; Default logical geometry; LBA mode
10 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 2.2 Formatted capacity 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. See Section 4.3.1, "Identify Device c...
Page 18 - Seek time; *Measured in quiet mode; Read
12 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 2.6 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 al...
Page 19 - Power specifications
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 13 2.8 Power specifications The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 4 on page 24. 2.8.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typical power measurem...
Page 20 - Typical current profiles; Figure 1. Typical 5V startup and operation current profile; DC power requirements; V typ amps
14 Barracuda 7200.8 Serial ATA Product Manual, Rev. F *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. 2.8.1.1 Typical current profiles Figure 1. Typical 5V startup and operation cur...
Page 21 - • Active mode; Power modes
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 15 2.8.2 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 e...
Page 22 - Environmental specifications
16 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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. 2.9 Environmental specifications 2.9.1 Ambient tempe...
Page 23 - Acoustics; Fluid Dynamic Bearing (FDB) motor acoustics; Acoustic mode
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 17 2.9.5.2 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 300 Gs based on a nonrepetitive half-sine shock pulse of...
Page 24 - Radio frequency environments; Test
18 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 2.11 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: 2.12 Re...
Page 25 - Agency certification; Safety certification; • Certificate numbers:
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 19 2.13 Agency certification 2.13.1 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. 2.13.2 Electromagnetic compatib...
Page 26 - FCC verification; • Reorient the receiving antenna.
20 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 Communi-cation Authori...
Page 27 - Environmental protection; European Union Restriction of Hazardous Substances (RoHS); Corrosive environment
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 21 2.14 Environmental protection Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting certain chemical substances. European Union Restriction of Hazardous Substances (RoHS) The Europ...
Page 29 - Configuring and mounting the drive; Handling and static-discharge precautions; • Handle the drive by its edges or frame only.
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 23 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 expo...
Page 30 - Configuring the drive; Figure 3. Serial ATA connectors; Serial ATA cables and connectors; Figure 4. Attaching SATA cabling
24 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 rela...
Page 31 - Drive mounting; Figure 5. Mounting dimensions—top, side and end view
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 25 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 on page 25 for drive mounting dimensions. Follow these important mounting precaut...
Page 33 - Hot-Plug compatibility
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 27 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 ...
Page 34 - Serial ATA device plug connector pin definitions; • the ground pins P4 and P12.; Serial ATA connector pin definitions
28 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 4.2 Serial ATA device plug connector pin definitions Table 7 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 a...
Page 35 - Supported ATA commands; Command name
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 29 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....
Page 37 - Identify Device command; The Identify Device command (command code EC; Word
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 31 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 8 onp...
Page 39 - Bit
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 33 Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data. 100–103 Total number of user-addressable LBA sector...
Page 41 - Code in features register
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 35 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 moni-tors predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determine...
Page 43 - Seagate Technology support services; Internet; For information regarding Seagate products and services, visit; Seagate Service Centers; Presales Support; Seagate technical support is available to assist you online at
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 37 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 email for your questions. Presales Support: [email protected] Te...
Page 44 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
38 Barracuda 7200.8 Serial ATA Product Manual, Rev. F 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 w...
Page 45 - Index
Barracuda 7200.8 Serial ATA Product Manual, Rev. F 39 Index A ACA 20 acceleration 17 acoustics 5 , 7 , 9 , 17 Active 15 Active mode 15 actuator arm 13 Agency certification 19 altitude 16 Altitude, nonoperating 5 , 7 , 9 Altitude, operating 5 , 7 , 9 Ambient temperature 4 , 6 , 8 , 16 ambient tempera...