Interface

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 as

 

attribute 30

 

that of bytes 02 to 0D.)

16A

Off-line data collection status

16B

Self-test execution status

16C, 16D

Off-line data collection execution time [sec.]

16E

Reserved

 

 

16F

Off-line data collection capability

170, 171

Trouble prediction capability flag

172

Error logging capability

173

(Self-test error detection point)

174

Simple self-test (Quick Test) execution time [min.]

175

Comprehensive self-test (Comprehensive Test) execution time [min.]

176

Conveyance self-test execution time [min.]

177 to 181

Reserved

 

 

182 to 1FE

Vendor unique

 

 

1FF

Check sum

 

 

Table 5.9 Format of insurance failure threshold value data

 

 

 

 

Byte

 

 

Item

00

Data format version number

01

 

 

 

02

Threshold 1

Attribute ID

03

 

Insurance failure threshold

04 to 0D

 

Reserved

0E to 169

Threshold 2 to

(The format of each threshold value is the same as

 

Threshold 30

that of bytes 02 to 0D.)

16A to 17B

Reserved

 

 

17C to 1FE

Vendor unique

 

 

1FF

Check sum

 

 

5-46

C141-E258

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Fujitsu MHW2060AC, MHW2040AC Format of device attribute value data, 1FF, Format of insurance failure threshold value data
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MHW2060AC, MHW2040AC specifications

The Fujitsu MHW2040AC and MHW2060AC are notable hard disk drives (HDDs) that have been widely used in various computing applications, especially in laptops and compact devices. These models are part of Fujitsu's commitment to providing reliable storage solutions that meet the demands of modern computing.

The MHW2040AC offers a storage capacity of 40 GB, while the MHW2060AC provides a slightly larger capacity at 60 GB. This range of storage makes both models suitable for users looking for dependable space for documents, multimedia files, and software applications. Both drives utilize a 2.5-inch form factor, ideal for mobile computing, as they are lightweight and designed to fit into space-constrained environments.

In terms of performance, both drives operate at a spindle speed of 5400 RPM. This speed strikes a balance between power consumption and performance, making these drives an efficient choice for everyday tasks, such as web browsing and office applications. The drives are equipped with an interface of Ultra ATA/133, which enables faster data transfer rates compared to older models, thereby enhancing overall system responsiveness.

The MHW2040AC and MHW2060AC also incorporate several advanced technologies to bolster their performance and reliability. One such feature is the use of a fluid dynamic bearing (FDB) for the spindle motor, which minimizes noise and vibration, thus improving the overall user experience. Additionally, both drives come with error correction technology that helps maintain data integrity by detecting and correcting errors during read and write operations.

Moreover, these HDDs feature a shock sensor that can detect sudden movements, allowing the drive to park its heads to prevent data loss and hardware damage. This is particularly beneficial in mobile environments where the risks of impact are higher.

Both the MHW2040AC and MHW2060AC are designed with energy-saving features, making them an environmentally responsible choice for energy-conscious consumers. Their low power consumption not only contributes to a reduced carbon footprint but also extends battery life for portable devices.

In summary, the Fujitsu MHW2040AC and MHW2060AC are reliable, efficient, and user-friendly hard disk drives that combine moderate capacities with advanced features designed to enhance performance, ensure data integrity, and extend device longevity. These drives are well-suited for a range of applications, making them a solid choice for users seeking dependable storage solutions.
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