Seagate Pulsar SAS SSD User manual

Product Manual

Pulsar

TM

100596473

Rev. A

April 2010

ST9200011FS

ST9100011FS

ST950011FS

Revision history

Publication number: 100596473, Rev. A. April 2010

Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in

the United States and/or other countries. Pulsar and SeaTools 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.

No part of this publication may be reproduced in any form without written permission of Seagate

Technology LLC. Call 877-PUB-TEK1(877-782-8651) to request permission.

When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or

TB, equals one trillion bytes. Your computer's operating system may use a different standard of

measurement and report a lower capacity. In addition, some of the listed capacity may be used for

formatting and other functions, and thus will not be available for data storage. Seagate reserves the

right to change, without notice, product offerings or specifications.

Revision Date Sheets affected or comments

Rev. A 04/05/10 Initial release.

Pulsar Product Manual, Rev. A i

Contents

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

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

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

2.1 Specification summary tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Default logical geometry for ATA based systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4 Performance, Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4.1 Interface technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4.2 Recording technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4.3 Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.5 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.6 Access time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.7 Time to Ready . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.8.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.8.3 Voltage tolerance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.9 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.3 Humidity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.4 Altitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.5 Shock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.9.6 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.10 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.11.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 15

2.11.2 Reliability specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.12 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.12.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.12.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.13 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.13.1 European Union Restriction of Hazardous Substances (RoHS) Directive. . . . . 17

2.13.2 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . 17

2.14 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.5 Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

4.2 Serial ATA device plug connector pin definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

4.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.3.1 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.3.3 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

ii Pulsar Product Manual, Rev. A

Pulsar Product Manual, Rev. A iii

List of Figures

Figure 1. Typical 5V startup and operation current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 2. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 3. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 4. Air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Pulsar Product Manual, Rev. A 1

1.0 Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate

Pulsar

TM

model drives:

These drives provide the following key features:

• Single Layer Cell (SLC) NAND Flash storage.

• High instantaneous (burst) data-transfer rates (up to 300MB/s).

• Parallel flash access channels.

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

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

• Highly integrated hardware functions.

• Power loss data protection.

• Data Set Management with Trim Support.

• Silent operation.

• 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.

• Worldwide Name (WWN) capability uniquely identifies the drive.

ST9200011FS ST9100011FS ST950011FS

2 Pulsar Product Manual, Rev. A

1.1 About the Serial ATA interface

The Serial ATA interface provides several advantages:

• 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.

The Serial ATA interface connects each drive in a point-to-point configuration with the Serial ATA host adapter.

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.

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 contains a set of registers that shadow the contents of the traditional device regis-

ters, referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For addi-

tional 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.

Pulsar 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. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the

following drive models:

Product data communicated in this manual is specific only to the model numbers listed in this manual. The data

listed in this manual may not be predictive of future generation specifications or requirements. If you are

designing a system which will use one of the models listed or future generation products and need further

assistance, please contact your Customer Technical Support Engineer or our global support services group as

shown in Section 5.0.

2.1 Specification summary tables

The specifications listed in the following table is for quick reference. For details on specification measurement

or definition, see the appropriate section of this manual.

Table 1: Drive specifications summary for 200, 100 and 50 GB models

ST9200011FS ST9100011FS ST950011FS

Drive specification ST9200011FS ST9100011FS ST950011FS

Formatted GB (512 bytes/sector)* 200 100 50

Guaranteed logical block addresses (LBAs) 390,721,968 195,371,568 97,696,368

Emulated Bytes per LBA 512

Sustained 128KB sequentialread/write data transfer rate

(MB/s max)

200/100 200/60 200/30

Peak 128KB sequential read/write data transfer rate

(MB/s max)

240/220

Sustained 4KB Random read/write command rate (IOPs) 25,000/5200 25,000/2600

Peak 4KB Random read/write command rate (IOPs) 30,000/25,000

Flash Memory Type NAND SLC

I/O data-transfer rate (MB/s max) 300

Height (mm max) 7.0 mm (0.276 in)

Width (mm max) 70.1 mm (2.76 in)

Length (mm max) 100.53 mm (3.958 in)

Weight (max) 135 g (0.298 lb)

Average latency 120 µs

Power-on to ready (sec max) 10 sec

Standby to ready (sec max) 2 sec

Average LBA access time (µs typ) ~200 µs read; ~300 µs write

Data Retention (typical minimum at 25C) 1 year

4 Pulsar Product Manual, Rev. A

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

formatting.

Sustainable 4KB Random IOPs for 5 year Endurance

(65%/35% R/W 70% Duty Cycle)

10,500

Startup current (typical) 5V (peak) 0.83 amps

Voltage tolerance (including noise) 5V ± 5%

Ambient temperature

5° to 60°C (operating)

–40° to 70°C (nonoperating)

Temperature gradient (°C per hour max)

20°C (operating)

20°C (nonoperating)

Relative humidity

5% to 95% (operating)

5% to 95% (nonoperating)

Relative humidity gradient 20% per hour max

Wet bulb temperature (°C max)

37.7 (operating)

40.0 (nonoperating)

Altitude, operating

–60.96 m to 3048 m

(–200 ft. to 10,000+ ft.)

Altitude, nonoperating

(below mean sea level, max)

–60.96 m to 12,192 m

(–200 ft to 40,000+ ft)

Operational Shock (max at 0.5ms) 1500 Gs

Non-Operational Shock (max at 0.5ms) 1500 Gs

Vibration, random operating 20–2000 Hz: 16 Grms

Vibration, random nonoperating 20–2000 Hz: 16 Grms

Nonrecoverable read errors, max 1 LBA per 10

16

bits read

Annualized Failure Rate (AFR) 0.44%

Warranty

To determine the warranty for a specific drive, use a web browser to

access the following web page:

support.seagate.com/customer/warranty_validation.jsp

You will be asked to provide the drive serial number, model number (or

part number) and country of purchase. After submitting this information,

the system will display the warranty information for your drive.

Lifetime Power cycles 50,000

Supports Hotplug operation per

Serial ATA Revision 2.6 specification

Yes

Drive specification ST9200011FS ST9100011FS ST950011FS

Pulsar Product Manual, Rev. A 5

2.2 Formatted capacity

Model Formatted capacity* Guaranteed LBAs Emulated LBA Size (Bytes)

ST9200011FS 200GB 390,721,968

512ST9100011FS 100GB 195,371,568

ST950011FS 50GB 97,696,368

*One GB equals one billion bytes when referring to 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 (LBAs) are consecutively numbered from 0 to n–

1,

where n is the number of guaranteed LBAs as defined above.

See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-

bit addressing support of drives with capacities over 137GB.

2.3 Default logical geometry for ATA based systems

Cylinders Read/write heads Sectors per track

16,383 16 63

2.4 Performance, Recording and interface technology

2.4.1 Interface technology

200GB 100GB 50GB

Interface Serial ATA (SATA-II)

Interface Speeds Supported 3Gb/s, 1.5Gb/s

Maximum Burst Transfer Rate 300MB/s

Hot Plug Support Yes

Native Command Queuing Support Yes

Trim Support Yes

Lifetime Endurance Throttling Yes

2.4.2 Recording technology

Flash Memory Type NAND SLC

Emulated LBA Size (Bytes) 512

Native Programmable Page size (User Bytes) 4096

Default transfer alignment offset 0

Typical Data Retention with Power removed (at 25C) 1 year

6 Pulsar Product Manual, Rev. A

2.4.3 Performance

Notes 200GB 100GB 50GB

Maximum Burst Transfer Rate 300MB/s

Peak sequential 128KB read/write data transfer rate (MB/s max) [1] 240/220

Sustained sequential 128KB read/write dat

a transfer rate (MB/s) [2] 200/100 200/60 200/30

Peak 4KB random read/write command rate (IOPs) [3] 30,000/25,000

Sustained 4KB random read/write command rate (IOPs) [4] 25,000/5200 25,000/2600

Sustainable 4KB Random combined IOPS for 5 year Endurance

(65%/35% R/W, 70% Duty Cycle)

[5] 10,500

[1] Testing performed at Queue Depth = 32, Sequentially Preconditioned drive, using IOMeter 2008.6.28.

[2] Testing performed at Queue Depth = 32, Sequentially Preconditioned drive, using IOMeter 2006.7.27.

[3] Testing performed at Queue Depth = 32, Randomly

Preconditioned drive, using IOMeter 2008.6.28.

[4] Testing performed at Queue Depth = 32, Randomly Preconditioned drive, using IOMeter 2006.7.27.

[5] Testing performed at Queue Depth = 32, Non-Preconditioned drive, using IOMeter 2006.7.27.

Note. IOMeter is available at http://www.iometer.org/ or http://sourceforge.net/projects/iometer/.

IOMeter is licensed under the Intel Open Source Licen

se and the GNU General Public License. Intel

does not endorse any IOMeter results.

Peak performance is defined as the typical best case performance

that the product will be able to

achieve when the product is preconditioned as mentioned and host commands are aligned on 4KB

boundaries.

Sustained performance is defined as the typical worst case

performance that the product will be able to

achieve when the product is preconditioned as mentioned and host commands are aligned on 4KB boundar-

ies. Write values also take into account the worst case performance throttling that may occur to ensure the

product meets specified reliability specifications.

Due to the nature of Flash memory technologies there are many factors that can result in values different than

those stated in this specification. Some discrepancies can be caused by bandwidth limitations in the host

adapter, operating system, or driver limitations. It is not the intent of this manual to cover all possible causes of

performance discrepancies.

When evaluating performance of SSD devices, it is recommended to measure performance of the device in a

method that resembles the targeted application using real world data and workloads. Test time should also be

adequately large to ensure that sustainable metrics and measures are obtained.

2.5 Physical characteristics

Maximum height 7.0 mm (0.276 in)

Maximum width 70.1 mm (2.76 in)

Maximum length 100.53 mm (3.958 in)

Max weight 135 g (0.298 lb)

Pulsar Product Manual, Rev. A 7

2.6 Access time

Access 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:

• Page-to-page access time is an average of all possible p

age-to-page accesses in both directions for a

sequentially preconditioned drive.

• Average access time is a true statistical random aver

age of at least 5000 measurements of accesses

between programmable pages, less overhead, on a randomly preconditioned drive.

*Typical access times (µs) Read Write

Page-to-page 120 200

Average 200 300

Average latency: 120

Note. These drives are designed to provide the highest possible performance under typical conditions.

However, due to the nature of Flash memory technologies there are many factors that can result in

values different than those stated in this specification.

ST9200011FS ST9100011FS ST950011FS

Power-on to Ready for non-Media related Commands (sec) 3 (max)

Power-on to Ready for Media related commands (sec) 10 (max)

Standby to Ready (sec) 2 (max)

Ready to power removal (sec) 3 (max)

Power-on to Ready for non-media related commands is defined as the time that it will take the drive to respond

from the application power until it is ready to accept commands from the host that do not require access to the

flash media. In some cases the drive may accept media access commands during this time, but the commands

will not be completed or status returned to the host until the media can be accessed safely. Commands such

as Check Power and Identify are examples of non-media related commands.

Power-on to Ready for media related commands is defined as the time that it will take the drive to respond from

the application power until it is ready to accept commands from the host that require access to the flash media.

Commands such as FPDMA Read Extended and FPDMA Write Extended are examples of media related com-

mands. This value includes the time needed to charge the Power Loss Data Protection Circuit to a level that is

adequate to protect customer data from unexpected power loss

8 Pulsar Product Manual, Rev. A

2.8 Power specifications

The drive receives DC power (+5V) through a native SATA power connector. See Figure 2 on page 20.

2.8.1 Power consumption

Power requirements for the drives are listed in the table on page 9. Typical power measurements are based on

an average of drives tested, under nominal conditions, using +5V input voltage at 35°C ambient temperature.

• Startup power

Startup power is measured from the time of power-on to the time that the drive reaches operating condition

and can process media access commands.

• Peak operating mode

During peak operating mode, the drive is tested in various read and write access patterns to simulate the

worst-case power consumption.

• Idle mode power

Idle mode power is measured with the drive powered up and ready for media access commands, with no

media access commands having been received from the host.

• Standby mode

During Standby mode, the drive accepts commands, but not be able to immediately access the media

because the drive electronics are in a partial power-down mode.

Pulsar Product Manual, Rev. A 9

Table 2: 200GB DC power requirements

Paramete r

Regu latio n +/‐5%

Voltage +5V

Current(A) Power(W)

Average Idl e Curre n tDCx 0.15 0.75

StandbyDCx 0.11 0.55

Average Sl eepCurrentDCx 0.11 0.55

MaximumStartCurre n t:

DC(PeakDC)3σ 0.83

AC(Pe akAC)3σ 1.60

DelayedMotorStart(DCmax ) 3σ 0.11 0.55

PeakOpe ratingCurren t(randomread):

TypicalDCDCx 0.26 1.30

MaximumDC3σ 0.27 1.35

MaximumDC(peak)3σ 0.

98

PeakOpe ratingCurren t(randomwrite):

TypicalDCDCx 0.30 1.50

MaximumDC3σ 0.31 1.55

MaximumDC(peak)3σ 1.06

Peakoperatingcurrent(se que ntialread):

TypicalDCDCx 0.23 1.15

MaximumDC3σ 0.25 1.25

MaximumDC(peak)3σ 0.77

Peakoperatingcurrent(se que ntialwrite):

TypicalDCDCx 0.39 1.95

MaximumDC3σ 0.40 2.00

MaximumDC(peak)3σ 1.04

200Gb(3

.0GB)

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to oper-

ational levels.

10 Pulsar Product Manual, Rev. A

Table 3: 100GB DC power requirements

Paramete r

Regu latio n +/‐5%

Voltage +5V

Current(A) Power(W)

Average Idl e Curre n tDCx 0.14 0.70

StandbyDCx 0.11 0.55

Average Sl eepCurrentDCx 0.10 0.50

MaximumStartCurre n t:

DC(PeakDC)3σ 0.80

AC(Pe akAC)3σ 1.48

DelayedMotorStart(DCmax ) 3σ 0.11 0.55

PeakOpe ratingCurren t(randomread):

TypicalDCDCx 0.16 0.80

MaximumDC3σ 0.17 0.85

MaximumDC(peak)3σ 0.

67

PeakOpe ratingCurren t(randomwrite):

TypicalDCDCx 0.26 1.30

MaximumDC3σ 0.27 1.35

MaximumDC(peak)3σ 0.97

Peakoperatingcurrent(se que ntialread):

TypicalDCDCx 0.23 1.15

MaximumDC3σ 0.24 1.20

MaximumDC(peak)3σ 0.77

Peakoperatingcurrent(se que ntialwrite):

TypicalDCDCx 0.38 1.90

MaximumDC3σ 0.40 2.00

MaximumDC(peak)3σ 1.04

100Gb(3

.0GB)

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to oper-

ational levels.

Pulsar Product Manual, Rev. A 11

Table 4: 50GB DC power requirements

Paramete r

Regu latio n +/‐5%

Voltage +5V

Current(A) Power(W)

Average Idl e Curre n tDCx 0.13 0.65

StandbyDCx 0.11 0.55

Average Sl eepCurrentDCx 0.09 0.45

MaximumStartCurre n t:

DC(PeakDC)3σ 0.83

AC(Pe akAC)3σ 1.59

DelayedMotorStart(DCmax ) 3σ 0.11 0.55

PeakOpe ratingCurren t(randomread):

TypicalDCDCx 0.16 0.80

MaximumDC3σ 0.18 0.90

MaximumDC(peak)3σ 0.

67

PeakOpe ratingCurren t(randomwrite):

TypicalDCDCx 0.25 1.25

MaximumDC3σ 0.28 1.40

MaximumDC(peak)3σ 0.98

Peakoperatingcurrent(se que ntialread):

TypicalDCDCx 0.23 1.15

MaximumDC3σ 0.25 1.25

MaximumDC(peak)3σ 0.74

Peakoperatingcurrent(se que ntialwrite):

TypicalDCDCx 0.37 1.85

MaximumDC3σ 0.40 2.00

MaximumDC(peak)3σ 0.90

50Gb(3

.0GB)

*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase power to oper-

ational levels.

12 Pulsar Product Manual, Rev. A

2.8.1.1 Typical current profiles

Figure 1. Typical 5V startup and operation current profile

2.8.2 Conducted noise

Input noise ripple is measured at the host system power

supply across an equivalent 15-ohm resistive load on

the +5 volt line.

• Using 5-volt power, the drive is expected

to operate with a maximum of 250 mV peak-to-peak sine-wave

injected noise at a frequency from 100Hz up to 20 MHz.

Note. Equ

ivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write

current.

2.8.3 Voltage tolerance

Voltage tolerance (including noise):

5V

±5%

Pulsar Product Manual, Rev. A 13

2.9 Environmental specifications

2.9.1 Ambient temperature

Ambient temperature is defined as the temperature of th

e environment immediately surrounding the drive.

Actual drive case temperature should not exceed 60°C (140°F) within the operating ambient conditions.

Above 1000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet

(3,048 meters).

2.9.2 Temperature gradient

Operating: 20°C per hour (68°F per hour max), without condensation

Nonoperating: 20°C per hour (86°F per hour max)

2.9.3 Humidity

2.9.3.1 Relative humidity

Operating: 5% to 95% noncondensing (20% per hour max)

Nonoperating: 5% to 95% noncondensing (20% per hour max)

2.9.3.2 Wet bulb temperature

Operating: 37.7°C (99.9°F max)

Nonoperating: 40.0°C (104.0°F max)

2.9.4 Altitude

** Operating: –60.96 m to 3,048 m (–200 ft. to 10,000+ ft.)

** Nonoperating: –60.96 m to 12,192 m (–200 ft. to 40,000+ ft.)

** Applies to atmospheric pressure only.

2.9.5 Shock

All shock specifications assume that th

e 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.

2.9.5.1 Operating shock

These drives comply with the pe

rformance levels specified in this document when subjected to a maximum

operating shock of 1500 Gs based on half-sine shock pulses of 0.5ms. This specification does not cover con-

nection issues that may result from testing at this level.

2.9.5.2 Nonoperating shock

The nonoperating shock level that the drive can experien

ce without incurring physical damage or degradation

in performance when subsequently put into operation is 1500 Gs based on a half-sine shock pulse of 0.5ms

duration.

Operating: 5° to 60°C (41° to 140°F)

Nonoperating: –40° to 70°C (–40° to 158°F)

14 Pulsar Product Manual, Rev. A

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 maximum random vibration levels that the drive may experience while meeting the performance standards

specified in this document are specified below. This specification does not cover connection issues that may

result from testing at this level.

2.9.6.2 Nonoperating vibration

The maximum random nonoperating vibration levels that the drive may experience without incurring physical

damage or degradation in performance when subsequently put into operation are specified below.

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:

20–2000 Hz 16 Grms

Table 5: 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 1000 MHz, 3 V/m,

80% AM with 1 kHz sine

900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz

A EN 61000-4-3: 96

ENV 50204: 95

Electrical fast

transient

± 1 kV on AC mains, ± 0.5 kV on external I/O B EN 61000-4-4: 95

Surge immunity ± 1 kV differential, ± 2 kV common, AC mains B EN 61000-4-5: 95

Conducted RF

immunity

150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz sine A EN 61000-4-6: 97

Voltage dips,

interrupts

0% open, 5 seconds

0% short, 5 seconds

40%, 0.10 seconds

70%, 0.01 seconds

C

B

EN 61000-4-11: 94

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