Seagate ST3500841NS, ST3500641NS User Manual

Product Manual

NL35 Series® 7200.2 Serial ATA

ST3500841NS ST3500641NS

100390104 Rev . C August 2007

August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC

in the United States and/or other countries. NL35 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 trademarks are the property of their respective owners.

One gigabyte, or GB, equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on oper ating envi ronme nt and for matting. Seagate reserves the right to chan ge, wi thout notice, product offerings or specifications.

NL35 Series 7200.2 SATA Product Manual, Rev. C

Contents

1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 Formatted capacity* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.3 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.4 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.5 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.6 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.7 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.7.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.7.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.7.3 Voltage tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.7.4 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.8 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.3 Humidity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.4 Altitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.5 Shock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.6 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.9 Acoustics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.10 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.11 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.12 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.12.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.12.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.13 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.13.1 European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . 12

2.14 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2 Serial ATA device plug connector pin definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.3.1 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.3.3 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

5.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 4. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

NL35 Series 7200.2 SATA Product Manual, Rev. C

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 following key features:

• 7,200 RPM spindle speed.

• 8 Mbyte buffer on ST3500841NS drives 16 Mbyte buffer on ST3500641NS drives

• High instantaneous (burst) data-transfer rates.

• Tunneling Magnetoresistive (TMR) recording heads.

• State-of-the-art cache and on-the-fly error-correction algorithms.

• Native Command Queueing with command ordering to increase performance in demanding applications.

• Full-track multiple-sector transfer capability without local processor intervention.

• Quiet operation.

• 350 Gs nonoperating shock.

• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.

• Support for S.M.A.R.T. drive monitoring and reporting.

• Supports latching SATA cables and connectors.

• Supports hotplug operation per SATA II specification.

• Supports S.M.A.R.T. Command Transport (SCT) to provide enterprise-like features in an industry-accepted transport mechanism. See Section 4.3.3.1 for additional information about SCT.

• Supports the Write Same command to allow large writes without host interface overhead.

• Supports Error Recovery Control to allow the host to put a soft time limit on read and write commands.

• One-Step Microcode Download which allows enterprise clients to download new drive code with a single download command using the host download utility.

• Workload management features to manage drive temperature and activity. This optimizes drive reliability in nearline environments with no user intervention required.

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 not necessary to set any jumpers 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 transitio n from pa rallel ATA easy by providing legacy sof twar e suppo rt. S erial ATA was designed to allow you to install a Serial ATA host adapter and Serial ATA disc drive in your current system and expect all of your existing applications to work as normal.

The Serial ATA interface connects each disc drive in a point-to-point configuration with the Serial ATA host adapter. There is no master/slave relationship with Serial ATA devices like there is with parallel ATA. If two drives are attached on one Serial ATA host adapter, the host operating system views the two devices as if they were both “masters” on two separate ports. This essentially means both drives behave as if they are Device 0 (master) devices.

Note. The host adapter may, optionally, emulate a master/slave environment to host software where two

devices on separate Serial ATA ports are represented to host software as a Device 0 (master) and Device 1 (slave) accessed at the same set of host bus addresses. A host adapter that emulates a master/slave environment manages two sets of shadow registers. This is not a typical Serial ATA environment.

The Serial ATA host adapter and drive share the function of emulating parallel ATA device behavior to provide backward compatibility with existing host systems and software. The Command and Control Block registers, PIO and DMA data transfers, resets, and interrupts are all emulated.

The Serial ATA host adapter cont ai ns a set of registe rs that sha dow the conte nts of the traditional device r egisters, referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For additional information about how Serial ATA emulates parallel ATA, refer to the “Serial ATA: High Speed Serialized AT Attachment” specification. The specification can be downloaded from www.serialata.org.

NL35 Series 7200.2 SATA Product Manual, Rev. C

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 ST3500641NS models.

2.1 Formatted ca pacity*

Model Formatted capacity Guaranteed sectors Bytes per sector

ST3500641NS and ST3500841NS 500 Gbytes 976,773,168 512

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.1.1 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 command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137 Gbytes.

2.2 Default logi cal geometr y

Cylinders Read/write heads Sectors per track

16,383 16 63

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.

NL35 Series 7200.2 SATA Product Manual, Rev. C

2.3 Recording and int erface tech no l o gy

Interface Serial ATA (SATA) Recording method 16/17 EPRML Recording density BPI (bits/inch max) 790.7k Track density TPI (tracks/inch avg) 134.4k Areal density (Gbits/inch2 avg) 106.35 Spindle speed (RPM) (± 0.2%) 7,200 Internal data transfer rate (Mbits/sec max) 754 Sustained transfer rate (Mbytes/sec) 65 I/O data-transfer rate (Mbytes/sec max) 300 Interleave 1:1 Cache buffer 8 Mbytes (8,192 kbytes) on ST3500841NS drives

16 Mbytes (16,384 kbytes) on ST3500641NS drives.

2.4 Physical characteristics

Maximum he i g ht

(mm) (inches)

Maximum wid th

(mm) (inches)

Maximum length

(mm) (inches)

Maximum wei g h t

(grams) (pounds)

26.11

1.028

101.85

4.010

146.99

5.787

710

1.57

2.5 Seek time

Seek measurem ent s a re t ake n wi th nom inal po w er a t 25 °C amb ient temperature. All tim es a re m easu red 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-track seeks in both directions.

• Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead.

T yp ical seek times (msec) Read Write

Track-to-track 0.8 1.0 Average 8.0 9.0 Average latency: 4.16 4.16

Note. These drives ar e de si gned to consisten tl y me et t he se ek t imes r epr esente d in thi s manu al. P hysical

seeks, regardless of mode (such as track-to-track and average), are expected to meet the noted 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.

NL35 Series 7200.2 SATA Product Manual, Rev. C

2.6 Start/stop times

Power-on to Ready (sec) 10 (max) St andby to Ready (sec) 10 (max) Ready to spindle stop (sec) 12 (max)

2.7 Power specifications

The drive recei ve s D C po we r ( +5V or +12V ) t hrou gh a native SATA po wer connect or. See Figure 3 on p age 16.

2.7.1 Power consumption

Power requiremen ts fo r the drive s are listed i n the t able on pa ge 9. Typical powe r measu rem ent s are ba sed on an average of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.

• Spinup power

Spinup power is measured from power-on to the time that the drive spindle reaches operating speed.

• Seek mode

During seek mode, the read/write actuator arm moves toward a specific position on the disc surface and does not execute a read or write operation. Servo electronics are active. Seek mode power represents the worst-case power consumption, using only random seeks with read or write latency time. This mode is not typical and is provided for worst-case information.

• Read/write power and current

Read/write power is measured with the heads on track, based on a 16-sector write followed by a 32-msec delay, then a 16-sector read followed by a 32-msec delay.

• Operating power and current

Operating powe r is me asure d usi ng 40 p ercen t ran dom seeks, 4 0 per cent r ead/ wri te m ode ( 1 write for each 10 reads) and 20 percent drive idle mode.

• Idle mode power

Idle mode power is measu red with the drive up to speed, with servo e le ctron ics acti ve and with the he ads i n a random track location.

• Standby mode

During Standby mode, the drive accepts commands, but the drive is not spinning, and the servo and read/ write electronics are in power-down mode.

Table 1: DC power requirements

Power dissipation Average (25° C)

Spinup 2.9 Amps Idle* 10.40 watts Operating (40% r/w, 40% seek, 20% inop.) 13.00 watts Seeking (random, 20% idle) 12.60 watts St andby 0.80 watts Sleep 0.80 watts

*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.

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 equivalent 15-ohm resistive load on the +5 volt line.

• Using 12-volt power, the drive is expect ed to oper ate wit h a maxim um of 120 mV peak-to -pea k 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. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write

current.

2.7.3 Voltage tolerance

Voltage tolerance (including noise): 5V ± 5%

12V ± 10%

NL35 Series 7200.2 SATA Product Manual, Rev. C

2.7.4 Power-manag ement mo des

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 modes:

Power modes Heads Spindle Buffer

Active Tracking Rotating Enabled Idle Tracking Rotating Enabled Standby Parked Stopped Enabled Sleep Parked Stopped Disabled

• Active mode The drive is in Active mode during the read/write and seek operations.

• Idle mode

The buffer remains enabled, and the drive accepts all commands and returns to Active mode any time disc access is necessary.

• Standby mode The drive enters Standby mode when the host sends a Standby Immediate command. If the host has set

the standby timer, the drive can also enter Standby mode automatically after the drive has been inactive for a specifiable length of time. The standby timer delay is established using a Standby or Idle command. In Standby mode, the drive buffer is enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active mode any time disc access is necessary.

• Sleep mode

The drive enters Sleep mode after receiving a Sleep command from the host. In Sleep mode, the drive buffer is disabled, the heads are parked and the spindle is at rest. The drive leaves Sleep mode after it receives a Hard Reset or Soft Reset from the host. After receiving a reset, the drive exits Sleep mode and enters Standby mode with all current translation parameters intact.

• Idle and Standby timers

Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins counting down from its specified delay times to zero. If the standby timer reaches zero before any 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.

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