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Product Manual
®
NL35 Series Serial ATA
ST3400832NS
ST3400632NS
ST3250823NS
ST3250623NS
100367731
Rev. B
August 2007
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Copyright © 2006-2007 Seagate Technology LLC. All rights reserved. Printed in USA Publication number: 100367731, Rev. B August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. DB35 Series, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. All other trademarks or registered
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Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary tables . . . . . . . . . . . . . . .
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ii NL35 Series SATA Product Manual, Rev. B
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List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 3. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 4. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . .
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate NL35 Series Serial ATA model drives: NL35 Series Serial ATA � ST3400832NS � ST3400632NS � ST3250823NS � ST3250623NS These drives provide the following key features: � 7,200 RPM spindle speed. � 8 Mbyte buffer on ST3400832NS and ST3250823NS models; 16 Mbyte buffer on ST3400632NS and ST3250623NS models. � High instantaneous (burst) data-transfer rates (up to 150 Mbytes per sec
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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 necessary to set any jump- ers or other configuration options. � Thinner and more flexible cabling for improved enclosure airflow and ease of installation. � Scalability to higher performance levels. In addition, Serial ATA makes the transition f
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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 ST3400832NS, ST3250823NS, ST3400632NS, and ST3250623NS models. 2.1 Specification summary tables The specifications listed in table 1 are for quick reference. For details on specification measurement or defini- tion, see the appropriate section of this manual. N
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Table 1: Drive specifications Drive specification ST3400832NS ST3400632NS ST3250823NS ST3250623NS Formatted Gbytes (512 bytes/sector) 400 250 Guaranteed sectors 781,422,768 488,397,168 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density in BPI (bits/inch max) 763,000 Track density TPI (tracks/inch avg) 120,000 2 Areal density (Mbits/inch avg) 91,560 Spindle speed (RPM) 7,200 Internal data transfer rate (Mbytes/sec 95 max) Sust
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Table 1: Drive specifications Drive specification ST3400832NS ST3400632NS ST3250823NS ST3250623NS Temperature gradient 20°C (operating) (°C per hour max) 30°C (nonoperating) Relative humidity 5% to 90% (operating) 5% to 95% (nonoperating) Relative humidity gradient 30% per hour max Wet bulb temperature 37.7 (operating) (°C max) 40.0 (nonoperating) Altitude, operating –60.96 m to 3,048 m (–200 ft to 10,000+ ft) Altitude, nonoperating –60.96 m to 12,192 m (meters below mean sea level, max) (–200
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2.2 Formatted capacity* Model Formatted capacity Guaranteed sectors Bytes per sector ST3400832NS and ST3400632NS 400 Gbytes 781,422,768 512 ST3250823NS and ST3250623NS 250 Gbytes 488,397,168 512 *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 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
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2.4 Recording and interface technology Interface Serial ATA (SATA) Recording method 16/17 EPRML Recording density BPI (bits/inch max) 763,000 Track density TPI (tracks/inch avg) 120,000 2 Areal density (Mbits/inch avg) 91,560 Spindle speed (RPM) (± 0.2%) 7,200 Internal data transfer rate (Mbytes/sec max) 95 Sustained transfer rate OD (Mbytes/sec max) 65 I/O data-transfer rate (Mbytes/sec max) 150 (SATA 1.0) Interleave 1:1 Cache buffer 8 Mbytes (8,192 kbytes) on ST3400832NS and ST3250823NS model
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values. However, due to the manner in which these drives are formatted, benchmark tests that include command overhead or measure logical seeks may produce results that vary from these specifications. 2.7 Start/stop times Power-on to Ready (sec) 10 (max) Standby to Ready (sec) 10 (max) Ready to spindle stop (sec) 12 (max) 2.8 Power specifications The drive receives DC power (+5V or +12V) through a native SATA power connector. See Figure 4 on page 18. 2.8.1 Power consumption Power requirement
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Table 2: DC power requirements Power dissipation (typical) Average (watts, 25° C) 5V typ amps 12V typ amps Spinup — — 2.8 (peak) Idle 7.2 0.401 0.433 Idle* (with offline activity) 9.1 0.78 0.433 Operating (40% r/w, 40% seek, 20% inop.) 12.8 0.841 0.715 Seeking (random, 20% idle) 12.4 0.602 0.782 Standby 1.4 0.265 0.006 Sleep 1.4 0.265 0.006 *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 operat
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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 expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10 MHz. � Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz. Note. Equival
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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 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 ambient conditions for standard models, or 64°C (147°F) wi
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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 2 msec duration. 2.9.6 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. 2.9.6.1 Operating vibration The max
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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: Table 4: Radio frequency environments Test Description Performance level Reference standard Electrostatic discharge Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV B EN 61000-4-2: 95 Radiated RF immunity 80 to 1,000 MHz, 3 V/m, A EN 61000-4-3: 96 80% AM with 1 kHz si
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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 compatibility Hard drives that display the CE mark comply with the European Union (EU) requirements specified in the Elec- tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product standards for Information T
