4.1.1Supported ATA commands

The following table lists ATA-standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Draft ATA-6 Standard...

Table 7:

Supported commands

 

 

 

Command name

 

Command code (in hex)

 

 

 

ATA-standard commands

 

 

 

ATA Device Configuration Overlay

 

B1H

ATA Service

 

 

A2H

Check Power Mode

 

98H, E5H

Download Microcode

 

92H

Execute Device Diagnostics

 

90H

Flush Cache

 

 

E7H

Flush Cache Extended

 

EAH

Format Track (Legacy)

 

50H

Identify Device

 

ECH

Idle

 

 

97H, E3H

Idle Immediate

 

95H, E1H

Initialize Device Parameters

 

91H

Read Buffer

 

 

E4H

Read DMA

 

 

C8H, C9H

Read DMA Extended

 

25H

Read Log Extended

 

22H

Read Multiple

 

C4H

Read Multiple Extended

 

29H

Read Native Max Address

 

F8H

Read Native Max Address Extended

 

27H

Read Sectors

 

20H, 21H

Read Sectors Extended

 

24H

Read Verify Sectors

 

40H, 41H

Read Verify Sectors Extended

 

42H

Recalibrate

 

 

10H

Security Disable Password

 

F6H

Security Erase Prepare

 

F3H

Security Erase Unit

 

F4H

Security Freeze Lock

 

F5H

Security Set Password

 

F1H

22

Momentus 5400.2 PATA Product Manual, Rev. B

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Seagate ST9120821A Supported ATA commands, Supported commands, Command name Command code in hex ATA-standard commands

ST9120821A, ST98823A, ST94813A, ST9100824A, ST93811A specifications

The Seagate ST96812A, ST93811A, ST9100824A, ST94813A, and ST98823A are notable hard drive models from Seagate’s extensive lineup, each offering distinct features and technologies suitable for various computing needs. Designed predominantly for desktop and enterprise solutions, these drives showcase Seagate's commitment to performance, reliability, and innovative technology.

Starting with the ST96812A, this drive features a storage capacity of 120 GB and utilizes an ATA interface, making it a popular choice during its time for both personal computing and enterprise applications. It is engineered with a 5400 RPM spindle speed, providing a balance between performance and power efficiency. With its 2 MB cache, the ST96812A enables quick access to frequently used data, facilitating smooth operation for everyday tasks.

The ST93811A, with a capacity of 80 GB, builds on the principles of dependable storage. It also operates at 5400 RPM, ensuring consistent performance for users who rely on dependable access to their stored information. The model’s robust design includes a 2 MB buffer, enhancing data transfer speeds and improving overall system responsiveness.

Next, the ST9100824A offers a significant leap in performance with a 100 GB capacity and superior data management capabilities. This drive integrates features like Advanced Format technology, which optimizes sector size for increased storage efficiency and error correction. The spindle speed retains 7200 RPM, providing faster read and write speeds which cater well to intensive applications such as gaming or video editing.

With a focus on higher storage capacity, the ST94813A holds up to 160 GB. This model is particularly notable for its low power consumption and quiet operation, making it suitable for environments where noise reduction is crucial, such as audio production studios or home media centers. The 7200 RPM speed and enhanced cache improve overall performance for multitasking scenarios.

Lastly, the ST98823A’s 250 GB capacity positions it as a higher-end option within this series. Featuring a spindle speed of 7200 RPM and a considerable cache size, it excels in handling larger files and complex applications. This model is geared towards users seeking a fusion of speed and ample storage for applications ranging from database management to creative production.

In summary, the Seagate ST96812A, ST93811A, ST9100824A, ST94813A, and ST98823A hard drives collectively illustrate Seagate's dedication to providing various storage solutions characterized by performance, efficiency, and technological advancement tailored to meet diverse user demands.