Command name

Command code (in hex)

 

 

 

 

Note: Individual Set Max commands are identi-

Address:

00H

fied by the value placed in the Set Max Fea-

Password:

01H

tures register as defined to the right.

Lock:

02H

 

Unlock:

03H

 

Freeze Lock:

04H

Set Multiple Mode

C6h

 

 

 

 

S.M.A.R.T. Disable Operations

B0h/D9h

 

 

 

 

S.M.A.R.T. Enable/Disable Autosave

B0h/D2h

 

 

 

 

S.M.A.R.T. Enable Operations

B0h/D8h

 

 

 

 

S.M.A.R.T. Enable/Disable Auto Offline

B0h/DBh

 

 

 

 

S.M.A.R.T. Enable One Attribute Modification

B0h/E0h

 

 

 

 

S.M.A.R.T. Execute Offline

B0h/D4h

 

 

 

 

S.M.A.R.T. Free Fall Protection Host Interface

FEh

 

 

 

 

S.M.A.R.T. Read Attribute Thresholds

B0h/D1h

 

 

 

 

S.M.A.R.T. Read Data

B0h/D0h

 

 

 

 

S.M.A.R.T. Read Log Sector

B0h/D5h

 

 

 

 

S.M.A.R.T. Return Status

B0h/DAh

 

 

 

 

S.M.A.R.T. Save Attribute Values

B0h/D3h

 

 

 

 

S.M.A.R.T. Write Attribute Thresholds

B0h/D7h

 

 

 

 

S.M.A.R.T. Write Attribute Values

B0h/E1h

 

 

 

 

S.M.A.R.T. Write Log Sector

B0h/D6h

 

 

 

 

Write Buffer

E8h

 

 

 

 

Write DMA

CAh

 

 

 

 

Write DMA Extended

35h

 

 

 

 

Write DMA without Retries

CBh

 

 

 

 

Write Long with Retries

32h

 

 

 

 

Write Long without Retries

33h

 

 

 

 

Write Multiple

C5h

 

 

 

 

Write Multiple Extended

39h

 

 

 

 

Write Sectors

30h, 31h

 

Write Sectors Extended

34h

 

 

 

 

ATA-standard power-management commands

 

 

 

 

 

Check Power Mode

E5h

 

 

 

 

Idle

E3h

 

 

 

 

Idle Immediate

E1h

 

 

 

 

Sleep

E6h

 

 

 

 

Standby

E2h

 

 

 

 

Momentus 7200.4 SATA Product Manual, Rev. C

25

Page 31
Image 31
Seagate ST905003N1A1ASRK, ST980412ASG, ST9500420ASG, ST9320423ASG, ST9250410AS manual Command name Command code in hex

ST903203N1A2ASRK, ST905003N1A1ASRK, ST9160412AS, ST9250410ASG, ST9160412ASG specifications

Seagate technology has long been at the forefront of data storage solutions, and its line of hard drives exemplifies the blend of reliability, performance, and storage capacity. Among these, the Seagate ST9500420AS, ST9120410ASG, ST9320423AS, ST90250N1A1ASRK, and ST980412AS stand out as quality options suitable for various computing needs.

The Seagate ST9500420AS is a 500GB 2.5-inch SATA hard drive designed primarily for laptop users. It features a rotational speed of 5400 RPM, balancing performance with energy efficiency. The adoption of Advanced Format technology enhances its sector size, allowing for improved data integrity and capacity. Additionally, the drive supports Native Command Queuing (NCQ), which can optimize the drive's performance by managing multiple commands more efficiently.

Another notable model is the ST9120410ASG, a 120GB hard drive that caters to users seeking a compact yet efficient storage solution. Primarily used in laptops and external enclosures, this drive also operates at 5400 RPM. Combining a 2.5-inch form factor with a SATA interface, it allows for swift data transfers while maintaining low power consumption, which is essential for portable devices.

The ST9320423AS is another 2.5-inch hard drive, boasting a capacity of 320GB. This drive is notable for its shock protection features, which safeguard data against physical impacts, making it ideal for mobile computing environments. Like its counterparts, it also utilizes SATA technology and operates efficiently, ensuring that users have access to reliable storage without compromising on performance.

For more specialized applications, the ST90250N1A1ASRK provides a substantial 250GB capacity in a compact form factor. Engineered for demanding environments, this drive showcases Seagate's commitment to creating robust, long-lasting products. It combines speed with durability, representing an excellent choice for systems requiring frequent read/write operations.

Finally, the ST980412AS is a 80GB variant that remains a staple for users needing reliable data storage without excessive capacity. This drive supports similar technologies as its peers, ensuring effective performance for everyday computing tasks. Its lightweight design and efficient power utilization make it suitable for both personal and professional use.

In summary, these Seagate hard drives embody a blend of advanced technologies, extensive capacities, and reliability. Whether for casual use, professional applications, or portable computing, each model offers unique features tailored to meet diverse user needs. With a history of innovation, Seagate remains a leader in the data storage sector, ensuring that users have access to high-quality solutions across the board.