4.3Supported ATA commands

The following table lists Serial ATA standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. See “S.M.A.R.T. commands” on page 30.for details and subcommands used in the S.M.A.R.T. implementation.

Command name

Command code (in hex)

 

 

ATA-standard commands

 

 

 

Device Configuration Restore

B1h/C0h

 

 

Device Configuration Freeze Lock

B1h/C1h

 

 

Device Configuration Identify

B1h/C2h

 

 

Device Configuration Set

B1h/C3h

 

 

Download Microcode

92h

 

 

Execute Device Diagnostics

90h

 

 

Flush Cache

E7h

 

 

Flush Cache Extended

EAh

 

 

Identify Device

ECh

 

 

Initialize Device Parameters

91h

 

 

Read Buffer

E4h

 

 

Read DMA

C8h

 

 

Read DMA Extended

25h

 

 

Read DMA without Retries

C9h

 

 

Read Long with Retries

22h

 

 

Read Long without Retries

23h

 

 

Read Multiple

C4h

 

 

Read Multiple Extended

29h

 

 

Read Native Max Address

F8h

 

 

Read Native Max Address Extended

27h

 

 

Read Sectors

20h

 

 

Read Sectors Extended

24h

 

 

Read Sectors without Retries

21h

 

 

Read Verify Sectors

40h

 

 

Read Verify Sectors Extended

42h

 

 

Read Verify Sectors without Retries

41h

 

 

Seek

70h

 

 

Set Features

EFh

 

 

Set Max Address

F9h

 

 

Momentus 5400.4 SATA Product Manual, Rev. A

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Image 31
Seagate ST9120817AS, ST9250827AS manual Supported ATA commands, Command name Command code in hex ATA-standard 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.