SEAGATE ST3500841NS - Manuals

NL35 Series 7200.2 SATA Product Manual, Rev. C 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate NL35 Series 7200.2 Serial ATA model drives: NL35 Series 7200.2 Serial ATA • ST3500841NS • ST3500641NS These drives provide the fol...

2 NL35 Series 7200.2 SATA Product Manual, Rev. C 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...

NL35 Series 7200.2 SATA Product Manual, Rev. C 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 ST3500841NS and ST...

4 NL35 Series 7200.2 SATA Product Manual, Rev. C 2.3 Recording and interface technology 2.4 Physical characteristics 2.5 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 def...

NL35 Series 7200.2 SATA Product Manual, Rev. C 5 2.6 Start/stop times 2.7 Power specifications The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 3 on page 16. 2.7.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typica...

6 NL35 Series 7200.2 SATA Product Manual, Rev. C 2.7.1.1 Typical current profile Figure 1. Typical 12V startup and operation current profile 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 equi...

NL35 Series 7200.2 SATA Product Manual, Rev. C 7 2.7.4 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 m...

8 NL35 Series 7200.2 SATA Product Manual, Rev. C 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 ambien...

NL35 Series 7200.2 SATA Product Manual, Rev. C 9 2.8.6 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. 2.8.6.1 Operating vibration The maximum vibration lev...

10 NL35 Series 7200.2 SATA Product Manual, Rev. C 2.10 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: 2.11 Reliab...

NL35 Series 7200.2 SATA Product Manual, Rev. C 11 2.12 Agency certification 2.12.1 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. 2.12.2 Electromagnetic compatibilit...

12 NL35 Series 7200.2 SATA Product Manual, Rev. C 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 equipm...

NL35 Series 7200.2 SATA Product Manual, Rev. C 13 2.14 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. H...

NL35 Series 7200.2 SATA Product Manual, Rev. C 15 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 ...

16 NL35 Series 7200.2 SATA Product Manual, Rev. C 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 relation...

NL35 Series 7200.2 SATA Product Manual, Rev. C 17 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 4 on page 17 for drive mounting dimensions. Follow these important mounting precautions...

NL35 Series 7200.2 SATA Product Manual, Rev. C 19 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 info...

20 NL35 Series 7200.2 SATA Product Manual, Rev. C 4.2 Serial ATA device plug connector pin definitions Table 4 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...

NL35 Series 7200.2 SATA Product Manual, Rev. C 21 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. com...

NL35 Series 7200.2 SATA Product Manual, Rev. C 23 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 5 onpage ...

NL35 Series 7200.2 SATA Product Manual, Rev. C 25 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. 129–159 Seagate-reserved xxxx H 160–254 ATA-reserved 00...

NL35 Series 7200.2 SATA Product Manual, Rev. C 27 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 determines th...

NL35 Series 7200.2 SATA Product Manual, Rev. C 29 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] Techni...

30 NL35 Series 7200.2 SATA Product Manual, Rev. C 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 warra...

NL35 Series 7200.2 SATA Product Manual, Rev. C 31 Index A ACA 11 acceleration 9 acoustics 9 Active 7 Active mode 7 actuator arm 5 AFR 10 Agency certification 11 altitude 8 Ambient temperature 8 ambient temperature 4 , 5 Annualized Failure Rate 10 Areal density 4 ATA commands 21 Australia/New Zealand...