Seagate ST94811AB manual Identify Device command, Word Description Value

Page 26

Table 6: Supported commands (Continued)

Command name

Command code (in hex)

 

 

Security Freeze Lock

F5H

 

 

Security Disable Password

F6H

 

 

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 the table on page 27. 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

 

 

 

 

Configuration information:

0C5AH

 

• Bit 15: 0 = ATA; 1 = ATAPI

 

0

• 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 to end of

ST94811AB

 

string)

 

 

 

 

47

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

8010H

 

tiple (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

20

Momentus Blade Server Product Manual, Rev. B

Page 25 Page 27
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Contents Momentus Blade Server ST94811ABPage Contents Momentus Blade Server Product Manual, Rev. B List of Figures Momentus Blade Server Product Manual, Rev. B Introduction Momentus disc driveMomentus Blade Server Product Manual, Rev. B Specifications Drive specificationsSpecification summary Drive specification ST94811ABSpecifications Formatted capacity Default logical geometryLBA mode Physical organizationTime to ready Physical characteristicsSeek time Typical seek times msec Read WritePower specifications Voltage tolerance Typical current profileConducted noise Environmental specifications Nonoperating shock ShockOperating shock VibrationDrive level acoustics AcousticsElectromagnetic immunity Electromagnetic immunityReliability Safety certificationMeasurement type Specification Agency certificationFCC verification Korean RRLAustralian C-Tick N176 Momentus Blade Server Product Manual, Rev. B Jumper settings Configuring and mounting the driveHandling and static discharge precautions Master/slave configurationDrive mounting Cable-select optionConnector Cable Signal Name Contact Conductor ATA interface signals and connector pinsConnector signals Cable Connector Conductor Contact Signal NameCommand name Command code in hex ATA-standard commands Supported ATA commandsSupported commands ATA-standard security commands Command name Command code in hexATA-standard power-management commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Features register valuesCode in features register A.R.T. command 4 S.M.A.R.T. commandsSupported S.M.A.R.T. commands Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index NumericsPage TMR Momentus Blade Server Product Manual, Rev. B Page Seagate Technology LLC

ST94811AB specifications

The Seagate ST94811AB is a highly regarded hard disk drive that has made its mark in the world of data storage solutions. With a capacity of 80 GB, this drive was designed to meet the growing demands for reliable and efficient data storage in both personal and professional settings.

One of the main features of the ST94811AB is its 2.5-inch form factor, which makes it ideal for use in laptops, portable devices, and compact desktop systems. This size allows for easy integration into various applications while maintaining a balance between portability and performance. The drive operates at 5400 RPM, providing a solid performance level that is adequate for a wide range of tasks, including data backup, file storage, and even light gaming.

In terms of connectivity, the Seagate ST94811AB utilizes the SATA interface, which is standard for modern hard drives. This interface supports high-speed data transfer rates, ensuring efficient and quick access to stored files. The SATA connection enhances the overall responsiveness of the drive, making it a suitable choice for users who prioritize speed and reliability.

When it comes to durability, this drive was built with robustness in mind. The ST94811AB features Seagate's proprietary technologies that aim to extend the lifespan of the drive while providing protection against data loss. This includes advanced error correction mechanisms and shock resistance, which are crucial for maintaining data integrity, especially in portable devices that may be subjected to bumps and vibrations.

Another significant characteristic of the ST94811AB is its low power consumption. This feature is particularly beneficial for laptop users, as it contributes to longer battery life without sacrificing performance. The drive's efficient design helps to reduce heat generation, which in turn enhances the longevity of both the drive and the device it's installed in.

Overall, the Seagate ST94811AB stands out as a reliable and efficient hard drive solution. Its blend of performance, durability, and energy efficiency makes it a sought-after choice among users looking for dependable data storage. Whether for everyday use or specific applications that require compact form factors, the ST94811AB delivers a balanced performance suitable for various data management needs.
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