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. 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 Sectors

30h, 31h

 

 

 

 

Write Sectors Extended

34h

 

 

 

 

ATA-standard power-management commands

 

 

 

 

 

Check Power Mode

98h or E5h

 

 

 

 

Idle

97h or E3h

 

 

 

 

Idle Immediate

95h or E1h

 

 

 

 

Sleep

99h or E6h

 

 

 

 

Standby

96h or E2h

 

 

 

 

Standby Immediate

94h or E0h

 

 

 

 

ATA-standard security commands

 

 

 

 

 

24

Momentus 5400.4 SATA Product Manual, Rev. A

Page 32
Image 32
Seagate ST9250827AS, ST9200827AS, ST9160827AS, ST9120817AS Command name Command code in hex, ATA-standard security commands

ST9120817AS, ST9160827AS, ST9200827AS, ST9250827AS specifications

The Seagate ST9250827AS, ST9200827AS, ST9160827AS, and ST9120817AS are notable hard drives that have made their mark in the storage industry, primarily due to their reliable performance, capacity options, and advanced technologies. Each model is tailored to meet the needs of different user scenarios, making them versatile choices for both personal and enterprise applications.

The ST9250827AS, with a capacity of 250GB, is designed for users requiring sufficient storage for general applications. Ideal for laptops and external drives, it offers a 5400 RPM spindle speed, ensuring quick access times and efficient data retrieval. The drive also incorporates Seagate’s Advanced Power Management technology, which helps extend battery life in portable devices by optimizing power consumption.

The ST9200827AS steps up with a 320GB capacity, catering to users needing increased storage for larger files, applications, and media collections. With similar 5400 RPM performance, it balances speed and energy efficiency. This model is suitable for those looking to enhance their mobile experience without sacrificing performance.

The ST9160827AS, a 160GB variant, is a compact solution for users needing a smaller footprint. It retains the energy efficiency and power management features present in the other models while delivering adequate performance for everyday computing tasks. This model is particularly suited for older machines or as a secondary drive in systems where space is at a premium.

Lastly, the ST9120817AS, with its 120GB capacity, is the smallest of the lot, perfect for basic storage needs. It’s well-suited for entry-level laptops or as a backup option for essential data. While its capacity may be limited compared to the others, it maintains the same reliability and efficiency attributed to Seagate’s technology.

All four models utilize Seagate's Drive Trust Technology, ensuring data integrity and security. They are built using Seagate's hard drive technologies that emphasize durability and reliability. These drives are also equipped with a SATA interface, facilitating fast data transfer rates and seamless integration with a wide range of computing devices.

In summary, the Seagate ST9250827AS, ST9200827AS, ST9160827AS, and ST9120817AS hard drives provide varying capacities and consistent performance, catering to diverse user requirements. Their blend of energy-efficient operation, advanced technology, and dependable storage solutions make them suitable for both personal and professional use, ensuring reliable data management across all applications.