Interface

At command completion (I-O registers setting contents)

1F7H(ST)

Status information

 

 

1F6H(DH)

×

×

×

DV

xx

 

 

 

 

 

 

1F5H(CH)

Key-failure prediction status (C2h-2Ch)

1F4H(CL)

Key-failure prediction status (4Fh-F4h)

1F3H(SN)

xx

 

 

 

 

1F2H(SC)

xx

 

 

 

 

1F1H(ER)

Error information

 

 

 

 

 

 

 

 

The attribute value information is 512-byte data; the format of this data is shown below. The host can access this data using the SMART Read Attribute Values subcommand (FR register = D0h). The insurance failure threshold value data is 512-byte data; the format of this data is shown below. The host can access this data using the SMART Read Attribute Thresholds subcommand (FR register = D1h).

Table 5.8 Format of device attribute value data

Byte

 

Item

 

 

 

00

Data format version number

01

 

 

 

 

 

02

Attribute 1

Attribute ID

 

 

 

03

 

Status flag

04

 

 

 

 

 

05

 

Current attribute value

 

 

 

06

 

Attribute value for worst case so far

 

 

 

07 to 0C

 

Raw attribute value

 

 

 

0D

 

Reserved

 

 

 

0E to 169

Attribute 2 to

(The format of each attribute value is the same

 

attribute 30

as that of bytes 02 to 0D.)

 

 

 

16A

Off-line data

Off-line data collection status

 

collection

 

16B

Number of off-line data collection segments

 

 

 

 

16C, 16D

 

Time required for next segments [sec].

 

 

 

16E

 

Current segment pointer

 

 

 

16F

 

Off-line data collection capability

 

 

 

170

Failure prediction capability flag

171

 

 

 

 

 

172 to 181

Reserved

 

 

 

 

182 to 1FE

Vendor unique

 

1FF

Check sum

 

 

 

 

5-56

C141-E050-02EN

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Fujitsu MHD2032AT, MHC2032AT, MHD2021AT, MHC2040AT manual Format of device attribute value data, 1FF
Page 126 Page 128

MHC2040AT, MHC2032AT, MHD2032AT, MHD2021AT specifications

Fujitsu offers a range of advanced hard disk drives (HDD) designed for various computing needs, including the MHD2021AT, MHD2032AT, MHC2032AT, and MHC2040AT models. These drives combine reliable performance, capacity options, and technological features aimed at enhancing data storage efficiency.

The Fujitsu MHD2021AT is known for its capacity of 20 GB, making it an excellent choice for users requiring a compact and efficient HDD. With a spindle speed of 5400 RPM, it balances speed and power consumption, catering to mobile computing and lower power devices. Its ATA interface ensures compatibility with a wide range of systems, making it a versatile option for various applications.

The MHD2032AT model offers a slightly higher capacity of 30 GB, maintaining similar technological attributes to its predecessor. With an enhanced data transfer rate, it allows for quicker access to stored files, perfect for users handling larger volumes of data. The robust error correction features in this model further ensure data integrity, making it a reliable choice for demanding environments.

For users needing more robust storage solutions, the MHC2032AT steps it up with features tailored for performance-heavy applications. Its 30 GB capacity is suited for desktop and workstation environments that require swift data retrieval and significant storage. The drive employs advanced caching techniques, which boost performance further by optimizing read and write operations, ensuring smoother multitasking capabilities.

The MHC2040AT is the flagship model in this line, providing an impressive storage capacity of 40 GB. This HDD is designed for high-performance applications where speed is crucial. The drive’s increased spindle speed and superior data transfer rates make it ideal for video editing, gaming, and large database management. Alongside its enhanced performance features, it includes advanced thermal management technology that maintains optimal operational temperatures, prolonging the drive's lifespan.

All four models leverage Fujitsu's commitment to data reliability, featuring robust shock resistance and low noise levels. Collectively, these drives cater to a spectrum of user needs, from compact data storage to high-capacity solutions, maintaining Fujitsu's reputation for quality and innovation in the storage market.
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