Page 3 - Contents
NL35 Series 7200.2 SATA Product Manual, Rev. C i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - ii
Page 5 - iii; List of Figures
NL35 Series 7200.2 SATA Product Manual, Rev. C iii List of Figures Figure 1. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Jumper options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7 - Introduction
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...
Page 8 - About the Serial ATA interface; ers or other configuration options.
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...
Page 9 - Drive specifications; Formatted capacity*; Default logical geometry; LBA mode
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...
Page 10 - Read
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...
Page 11 - Power specifications; Power dissipation
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...
Page 12 - Typical current profile; Figure 1. Typical 12V startup and operation current profile; Conducted noise; injected noise at up to 10 MHz.; Voltage tolerance
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...
Page 13 - Power modes
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...
Page 14 - Environmental specifications
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...
Page 15 - Acoustics; Fluid Dynamic Bearing (FDB) motor acoustics; Quiet seek
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...
Page 16 - Radio frequency environments; Test
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...
Page 17 - Agency certification; Safety certification; • Certificate numbers:; FCC verification
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...
Page 18 - Environmental protection; European Union Restriction of Hazardous Substances (RoHS)
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...
Page 19 - Corrosive environment
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...
Page 21 - Configuring and mounting the drive; Handling and static-discharge precautions; • Handle the drive by its edges or frame only.
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 ...
Page 22 - Configuring the drive; Figure 2. Jumper options; Serial ATA cables and connectors; Figure 3. Attaching SATA cabling
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...
Page 23 - Drive mounting; Figure 4. Mounting dimensions—top, side and end view
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...
Page 25 - Hot-Plug compatibility
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...
Page 26 - Serial ATA device plug connector pin definitions; • the ground pins P4 and P12.; Serial ATA connector pin definitions
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...
Page 27 - Supported ATA commands; Command name
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...
Page 29 - Identify Device command; The Identify Device command (command code EC; Word
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 ...
Page 31 - Bit
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...
Page 33 - Code in features register
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...
Page 35 - 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
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...
Page 36 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
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...
Page 37 - Index
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...
