Seagate ST960822AB, ST9808211AB, ST9408114AB manual Identify Device command, Word Description Value

Models: ST9808211AB ST9100823AB ST9408114AB ST960822AB

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4.1.2Identify Device command

The Identify Device command (command code ECH) transfers information about the drive to the host following power up. The data is organized as a single 512-byte block of data, whose contents are shown in Table 6 on page 20. All reserved bits or words should be set to zero. Parameters listed with an “x” are drive-specific or vary with the state of the drive. See Section 2.0 on page 3 for default parameter settings.

The following commands contain drive-specific features that may not be included in the Draft ATA-6 Standard.

Word

Description

Value

 

 

 

0

Configuration information:

0C5AH

 

• Bit 15: 0 = ATA; 1 = ATAPI

 

 

• Bit 7: removable media

 

 

• Bit 6: removable controller

 

 

• Bit 0: reserved

 

 

 

 

1

Number of logical cylinders

16,383

 

 

 

2

ATA-reserved

0000H

 

 

 

3

Number of logical heads

16

 

 

 

4

Retired

0000H

 

 

 

5

Retired

0000H

 

 

 

6

Number of logical sectors per logical track: 63

003FH

 

 

 

7–9

Retired

0000H

 

 

 

10–19

Serial number: (20 ASCII characters, 0000H = none)

ASCII

 

 

 

20

Retired

0000H

 

 

 

21

Retired

0400H

 

 

 

22

Obsolete

0000H

 

 

 

23–26

Firmware revision

x.xx

 

(8 ASCII character string, padded with blanks to end of string)

 

 

 

 

27–46

Drive model number (40 ASCII characters, padded with blanks

ST9100823AB

 

to end of string)

ST9808211AB

 

 

ST960822AB

 

 

ST9408114AB

 

 

 

47

(Bits 7–0) Maximum sectors per interrupt on Read multiple and

8010H

 

Write multiple (16)

 

 

 

 

48

Reserved

0000H

49

Standard Standby timer, IORDY supported and may be disabled

2F00H

50

ATA-reserved

0000H

51

PIO data-transfer cycle timing mode

0200H

52

Retired

0200H

53

Words 54–58, 64–70 and 88 are valid

0007H

54

Number of current logical cylinders

xxxxH

55

Number of current logical heads

xxxxH

56

Number of current logical sectors per logical track

xxxxH

57–58

Current capacity in sectors

xxxxH

Momentus 5400.2 Blade Server Product Manual, Rev. B

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Seagate ST960822AB, ST9808211AB, ST9408114AB, ST9100823AB manual Identify Device command, Word Description Value

ST9808211AB, ST9100823AB, ST9408114AB, ST960822AB specifications

The Seagate ST960822AB, ST9408114AB, ST9100823AB, and ST9808211AB are notable hard disk drives (HDDs) that have made significant contributions to data storage technology. These drives are part of Seagate's extensive lineup, known for their reliability, performance, and innovative features.

The ST960822AB is a 2.5-inch HDD with a storage capacity of 60 GB. It is designed primarily for mobile computing applications, such as laptops and external drives. This model features a low power consumption design that enhances battery life, making it an ideal choice for portable devices. Its data transfer rates are competitive for its class, ensuring fast access to files.

Next, the ST9408114AB presents a slightly higher capacity of 40 GB, also within the 2.5-inch form factor. This drive was engineered for entry-level laptops and external storage solutions. Its Fluid Dynamic Bearing (FDB) technology allows for quieter operation and reduced vibration. With a 5400 RPM speed, it provides adequate performance for everyday tasks, including document storage and multimedia playback.

The ST9100823AB steps into the spotlight with a capacity of 80 GB, catering to users requiring more storage space for games, documents, and multimedia files. This HDD offers enhanced data integrity through Seagate's Advanced Power Management technology, which reduces power consumption without sacrificing performance. The ST9100823AB's consistent performance makes it suitable for both personal and professional use.

Lastly, there is the ST9808211AB, offering 80 GB of storage in a 2.5-inch format. It leverages similar technology as its counterparts but with improved data caching algorithms that allow for quicker access to frequently used files. This HDD is also built with durability in mind, suitable for environments that may experience shocks or vibrations.

All four models incorporate Seagate's commitment to quality with a focus on reliability and efficiency. They are equipped with features that prioritize speed, noise reduction, and power efficiency, making them excellent choices for varied applications in personal computing, gaming, and mobile storage. Collectively, the ST960822AB, ST9408114AB, ST9100823AB, and ST9808211AB represent a significant advancement in hard drive technology, serving users with diverse storage needs effectively.