Interface

Command data structure

Indicates the command received when an error occurs.

Error data structure

Indicates the status register when an error occurs.

Total number of drive errors

Indicates total number of errors registered in the error log.

Check sum

Two's complementary for the lowest-order 1 byte that is obtained by adding 1 byte after another for as many as 511 bytes beginning from the top of the structure.

Status

Bits 0 to 3: Indicates the drive status when received error commands according to the following table.

Bits 4 to 7: Vendor unique

Status

Meaning

 

 

0

Unclear status

 

 

1

Sleep status

2

Standby status

 

 

3

Active status (BSY bit = 0)

 

 

4

Off-line data collection being executed

 

 

5 to F

Reserved

 

 

Table 5.17 Data format of SMART Comprehensive Error Log

Byte

First sector

Next sector

 

 

 

00h

SMART Error Logging 01h

Reserved

 

 

 

01h

Index Pointer Latest Error Data Structure.

Reserved

 

 

 

02h...5Bh

1st Error Log Data Structure

Data Structure 5n + 1

 

 

 

5Ch...B5h

2nd Error Log Data Structure

Data Structure 5n + 2

 

 

 

B6h...10Fh

3rd Error Log Data Structure

Data Structure 5n + 3

 

 

 

110h...169h

4th Error Log Data Structure

Data Structure 5n + 4

 

 

 

16Ah...1C3h

5th Error Log Data Structure

Data Structure 5n + 5

 

 

 

1C4h...1C5h

Total Error Count

Reserved

 

 

 

1C6h...1FEh

Reserved

Reserved

1FFh

Checksum

Checksum

 

 

 

5-54

C141-E217

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Fujitsu MHV2080AH, MHV2100AH, MHV2060AH Command data structure, Error data structure, Total number of drive errors, Status

MHV2040AH, MHV2080AH, MHV2060AH, MHV2100AH specifications

The Fujitsu MHV series of hard disk drives, specifically the MHV2060AH, MHV2080AH, MHV2100AH, and MHV2040AH, are renowned for their reliability and performance in the mobile HDD segment. Designed primarily for use in laptops and other portable devices, these drives integrate cutting-edge technologies to meet the demands of today's data-intensive applications.

One of the hallmark features of the MHV series is its high data density, allowing for substantial storage capabilities in compact sizes. The MHV2060AH offers a storage capacity of 60 GB, while the MHV2080AH and MHV2100AH offer 80 GB and 100 GB respectively. The MHV2040AH provides a slightly more modest but still robust 40 GB of storage. This range of capacities ensures that users can select the model that best fits their storage needs.

The drives utilize the latest perpendicular magnetic recording (PMR) technology, which enhances recording efficiency and increases data storage densities. This technology significantly optimizes the use of disk surface area, providing better performance and more reliable data access. Additionally, the MHV series incorporates an advanced actuator system that ensures precision head positioning, enhancing data integrity and reducing error rates during read and write operations.

In terms of performance, the MHV series maintains a revolutions per minute (RPM) rating of 5400, which strikes a balance between speed and energy efficiency, making these drives suitable for low-power applications. The drives are also designed with a low acoustic level, generating minimal noise during operation—a crucial factor for mobile users who prefer quieter devices.

Furthermore, the Fujitsu MHV series features a robust shock resistance design, allowing them to withstand the rigors of mobile computing. This makes them suitable for use in portable environments subject to vibration and physical movement, thus ensuring data security and drive longevity.

Overall, the Fujitsu MHV2060AH, MHV2080AH, MHV2100AH, and MHV2040AH represent a formidable selection of mobile hard disk drives filled with advanced technologies and features, making them well-suited for a wide range of applications in today's fast-paced digital world. With their combination of storage capacity, performance, and durability, these drives continue to serve as reliable solutions for users seeking efficient data storage in portable formats.