Identify Device command 27

Idle

11,

25

 

 

Idle Immediate 25

 

Idle mode

8,

11

 

Information Technology Equipment (ITE) 15

Initialize Device Parameters

25

Input noise ripple 10

 

input voltage

8

 

interface

6,

23

 

interference

16

 

internal data-transfer rate OD

6

is 7

 

 

 

 

ISO document 7779 14

 

ITE

15

 

 

 

K

KCC 16

Korean Communications Commission 16

Korean RRL 16

L

LBA mode 6 length 7

logical geometry 6

M

maintenance 15 master/slave 2

Mean Time Between Failures 15 mounting 21

mounting screws 13 mounting the drive 19 MTBF 15

N

noise 10 nominal power 7 Nonoperating shock 13 Nonoperating vibration 13 Nonrecoverable read errors 15

O

operating 9 Operating power 8 Operating shock 13 Operating vibration 13

P

Physical characteristics 7 point-to-point 2, 20 Power consumption 8 power dissipation 9

Power modes 11 Power specifications 8 Power-management modes 11 Power-on to Ready 7 power-on-hours 15 precautions 19

printed circuit board 19 programmable power management 11 prominent discrete tone 14

Q

quick reference 3

R

Radiated RF immunity 14

 

 

radio and television interference 16

 

radio frequency (RF)

14

 

 

random seeks

8

 

 

 

 

Read Buffer

25

 

 

 

 

Read DMA

25

 

 

 

 

 

Read DMA Extended

25

 

 

Read DMA without Retries 25

 

 

read errors

15

 

 

 

 

 

Read Log Ext

25

 

 

 

 

Read Multiple

25

 

 

 

 

Read Multiple Extended 25

 

 

Read Native Max Address 25

 

 

Read Native Max Address Extended

25

Read Sectors

25

 

 

 

 

Read Sectors Extended 25

 

 

Read Sectors Without Retries

25

 

Read Verify Sectors

25

 

 

Read Verify Sectors Extended

25

 

Read Verify Sectors Without Retries

25

Read/write heads

6

 

 

 

Read/write power

8

 

 

 

Recalibrate

25

 

 

 

 

recording density

6

 

 

 

recording method

6

 

 

 

Recording technology

6

 

 

relative humidity

12

 

 

 

Reliability 15

 

 

 

 

 

RF 14

 

 

 

 

 

 

RMS read/write current 10

 

 

RoHS

17

 

 

 

 

 

 

RRL

16

 

 

 

 

 

 

S

S.M.A.R.T. Disable Operations 26 S.M.A.R.T. Enable Operations 26 S.M.A.R.T. Enable/Disable Autosave 26 S.M.A.R.T. Execute Offline 26 S.M.A.R.T. implementation 25 S.M.A.R.T. Read Attribute Thresholds 26

36

Barracuda LP Series SATA Product Manual, Rev. A

Page 42
Image 42
Seagate ST31000520AS, ST31500541AS, ST32000542AS manual Ite

ST32000542AS, ST31000520AS, ST31500541AS specifications

Seagate has long been a prominent player in the hard disk drive (HDD) market, and their SATA drives have earned a reputation for reliability and performance. Among their notable models are the ST31500541AS, ST31000520AS, and ST32000542AS, each offering unique features and technologies that cater to various storage needs.

The ST31500541AS is a 1.5TB SATA drive known for its robust data handling capabilities. Operating at 7200 RPM, it offers a data transfer rate of up to 6Gb/s, making it suitable for demanding applications that require quick access to large files. This model features Seagate’s perpendicular recording technology, which increases storage density and efficiency. With an average seek time of 8.5 ms, users can expect swift performance for both read and write operations. Its 32MB cache also aids in enhancing data transfer rates and minimizing lag during data retrieval.

Next is the ST31000520AS, a 1TB drive that combines performance with energy efficiency. Also spinning at 7200 RPM, this model exploits Seagate's Advanced Power Management technology, which helps reduce power consumption and extend drive longevity. The ST31000520AS is particularly appealing for users looking to balance performance with energy costs. It features similar specifications to the ST31500541AS, including a 6Gb/s interface and a 32MB cache, ensuring that users can manage large workloads effectively.

Lastly, the ST32000542AS offers a compelling 2TB storage solution. This model caters to users with extensive storage needs, whether it be for multimedia content, backup solutions, or database management. Like its predecessors, it runs at 7200 RPM and benefits from Seagate's innovative technologies, including error correction and data recovery enhancements. With increased storage capacity and performance, this model is particularly suited for both personal and professional setups where data loss is not an option.

In summary, the Seagate ST31500541AS, ST31000520AS, and ST32000542AS exemplify the company's commitment to delivering high-performance hard drive solutions. With their emphasis on speed, energy efficiency, and advanced technologies such as perpendicular recording and power management, each model stands out in its capacity range, making them valuable assets for users seeking dependable storage options. Whether you're a gamer, a creative professional, or need a reliable backup solution, these drives are engineered to meet diverse computing needs with ease.