Page 2 - Revision history; © 2010 Seagate Technology LLC. All rights reserved.
Revision history © 2010 Seagate Technology LLC. All rights reserved. Publication number: 100610268, Rev. A, March 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 trade...
Page 3 - Contents
Momentus XT Product Manual, Rev. A i Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - ii
Page 5 - iii; List of Figures
Momentus XT Product Manual, Rev. A iii List of Figures Figure 1. Typical +5V only startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7 - Introduction; Standard models
Momentus XT Product Manual, Rev. A 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus ® XT model drives: These drives provide the following key features: • 7200-RPM spindle speed. • 32MB buffer. • Quiet operation. Fluid...
Page 8 - About the Serial ATA interface; any jumpers or other configuration options.
2 Momentus XT 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 not normally n...
Page 9 - Specification summary table; Drive specifications
Momentus XT 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. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification me...
Page 11 - Formatted capacity; Model; Default logical geometry; Cylinders; LBA mode
Momentus XT Product Manual, Rev. A 5 2.2 Formatted capacity Model Formatted capacity* Guaranteed sectors Bytes per sector ST95005620AS 500GB 976,773,168 512 ST93205620AS 320GB 625,142,448 512 ST92505610AS 250GB 488,397,168 512 *One GB equals one billion bytes when referring to hard drive capacity. A...
Page 12 - Physical organization; Drive model; Recording and interface technology
6 Momentus XT Product Manual, Rev. A 2.4 Physical organization Drive model Read/write heads Number of discs ST95005620AS 4 2 ST93205620AS 3 ST92505610AS 2 1 2.5 Recording and interface technology Interface Serial ATA (SATA) Recording method Perpendicular Recording density BPI (bits/in max) 1,490k Tr...
Page 13 - Seek time; Typical seek times; Read; Average; Time to ready
Momentus XT Product Manual, Rev. A 7 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...
Page 14 - Power specifications; Power dissipation; Seek
8 Momentus XT Product Manual, Rev. A 2.9 Power specifications The drive receives DC power (+5V) through a native SATA power connector. 2.9.1 Power consumption Power requirements for the drives are listed in the table on page 8. Typical power measurements are based on an average of drives tested, und...
Page 15 - Typical current profile; Figure 1. Typical +5V only startup and operation current profile
Momentus XT Product Manual, Rev. A 9 2.9.1.1 Typical current profile Figure 1. Typical +5V only startup and operation current profile
Page 18 - Environmental specifications; Ambient temperature
12 Momentus XT Product Manual, Rev. A 2.10 Environmental specifications This section provides the temperature, humidity, shock, and vibration specifications for Momentus XT drives. 2.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding...
Page 19 - Acoustics; Performance seek
Momentus XT Product Manual, Rev. A 13 2.10.6 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. 2.10.6.1 Operating shock These drives comply with the performance levels specif...
Page 20 - Electromagnetic immunity; Measurement type; Radio frequency environments; Test
14 Momentus XT Product Manual, Rev. A *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...
Page 21 - Agency certification; Safety certification; • Trade name or applicant: Seagate Technology LLC; FCC verification
Momentus XT Product Manual, Rev. A 15 2.14 Agency certification 2.14.1 Safety certification The drives are recognized in accordance with UL 60950-1 and CSA C22.2 (950) and meet all applicable sec-tions of IEC 60950-1 and EN60950-1 as tested by TUV North America. 2.14.2 Electromagnetic compatibility ...
Page 23 - Environmental protection; European Union Restriction of Hazardous Substances (RoHS); 表示该部件(于同类物品程度上)所含的危险和有毒物质超出中国
Momentus XT Product Manual, Rev. A 17 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 it...
Page 24 - Corrosive environment
18 Momentus XT Product Manual, Rev. A 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...
Page 25 - Configuring and mounting the drive; Handling and static-discharge precautions; • Handle the drive only by its edges or frame.
Momentus XT 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 to potential...
Page 26 - Configuring the drive; Figure 2. Serial ATA connectors; Serial ATA cables and connectors; Figure 3. Attaching SATA cabling
20 Momentus XT Product Manual, Rev. A 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 tw...
Page 27 - Drive mounting; • Use only M3 UNC mounting screws.
Momentus XT Product Manual, Rev. A 21 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 4 for drive mounting dimensions. Follow these important mounting precautions when mount-ing the drive: • Allow a minim...
Page 28 - Hot-Plug compatibility
22 Momentus XT Product Manual, Rev. A 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 u...
Page 29 - Serial ATA device plug connector pin definitions; • the ground pins P4 and P12.; Serial ATA connector pin definitions; Key and spacing separate signal and power segments
Momentus XT Product Manual, Rev. A 23 4.2 Serial ATA device plug connector pin definitions Table 7 summarizes the signals on the Serial ATA interface and power connectors. . 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 ba...
Page 30 - Supported ATA commands; See
24 Momentus XT Product Manual, Rev. A 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 p...
Page 32 - Identify Device command; The Identify Device command (command code EC; xxxx
26 Momentus XT Product Manual, Rev. A 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 the table on page 27. All r...
Page 34 - Bit
28 Momentus XT Product Manual, Rev. A 100–103 Total number of user-addressable LBA sectors available (see Section 2.2 for related information)These words are required for drives that support the 48-bit addressing feature. Maximum value: 0000FFFFFFFFFFFFh. ST95005620AS = 976,773,168 ST93205620AS = 62...
Page 35 - Set Features command; Set Features command values
Momentus XT Product Manual, Rev. A 29 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. If the value...
Page 37 - Seagate Technology support services; Web; For information regarding Seagate products and services, visit
Momentus XT Product Manual, Rev. A 31 5.0 Seagate Technology support services Web For information regarding Seagate products and services, visit www.seagate.com . Worldwide support is available 24 hours daily by email for your questions.. Warranty Support: http://www.seagate.com/www/en-us/support/wa...
Page 38 - Customer Service Operations; Presales Support; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
32 Momentus XT Product Manual, Rev. A Customer Service Operations Presales Support Our Presales Support staff can help you determine which Seagate products are best suited for your specific application or computer system, as well as product availability and compatibility. Technical Support Seagate t...
Page 39 - Index
Momentus XT Product Manual, Rev. A 33 Index A ACA 15 acoustics 4 , 13 Active mode 11 Address 24 AFR 14 Agency certification 15 Altitude 12 Altitude, nonoperating 4 Altitude, operating 4 Ambient temperature 4 , 12 ambient temperature 7 Annualized Failure Rate 14 Annualized Failure Rate (AFR) 4 Areal ...
