7K200 SATA OEM Specification

fields shown in these data structures follow the ATA/ATAPI-6 specifications for byte ordering.

Description

S.M.A.R.T. error log version

Error log pointer

1st error log data structure

2nd error log data structure

3rd error log data structure

4th error log data structure

5th error log data structure

Device error count

Reserved

Data structure checksum

Table 117 S.M.A.R.T. error log sector

Bytes

Offset

1

00h

1

01h

90

02h

90

5Ch

90

B6h

90

110h

90

16Ah

2

1C4h

57

1C6h

1

1FFh

512

 

14.39.5.1S.M.A.R.T. error log version

This value is set to 01h.

14.39.5.2Error log pointer

This points the most recent error log data structure. Only values 1 through 5 are valid.

14.39.5.3Device error count

This field contains the total number of errors. The value will not roll over.

 

14.39.5.4

Error log data structure

 

Data format of each error log structure is shown below.

 

Description

 

 

Bytes

Offset

1st error log data structure

 

 

12

00h

2nd error log data structure

 

 

12

0Ch

3rd error log data structure

 

 

12

18h

4th error log data structure

 

 

12

24h

5th error log data structure

 

 

12

30h

Error data structure

 

 

30

3Ch

 

 

 

90

 

 

 

 

 

 

Table 118 Error log data structure

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Hitachi HDS723020BLA642 manual 14.39.5.1 S.M.A.R.T. error log version, Error log pointer, M.A.R.T. error log sector

HDS723020BLA642 specifications

The Hitachi HDS723020BLA642 is a high-performance hard disk drive that exemplifies the balance between reliability and advanced technology, making it an excellent choice for a range of applications, from desktop computers to enterprise storage solutions. This 2TB SATA hard drive is designed to meet the growing data storage needs of users who demand both speed and efficiency.

One of the key features of the HDS723020BLA642 is its impressive rotational speed of 7200 RPM. This speed facilitates faster data access and improved overall performance, significantly enhancing the user experience during data-intensive operations such as gaming, video editing, and large file transfers. Coupled with a SATA III interface, this drive facilitates data transfer rates of up to 6 Gb/s, providing an efficient conduit for moving data quickly between the hard drive and the motherboard.

The drive comes equipped with a large 64 MB cache, which plays a crucial role in buffering read and write operations. This substantial amount of cache memory allows the drive to temporarily store frequently accessed data, leading to reduced latency and enabling smoother multitasking capabilities. Users will benefit from faster load times and reduced wait periods when working with large files.

Reliability is another defining characteristic of the HDS723020BLA642. Hitachi, now a part of Western Digital, has a longstanding reputation for producing durable hard drives. This model incorporates advanced technologies, such as the Fluid Dynamic Bearing (FDB) for quieter operation and better longevity. The drive also features an enhanced error recovery system that minimizes the risk of data loss, making it a suitable option for both personal and professional use.

In terms of power efficiency, the HDS723020BLA642 is designed to consume less power during operation compared to older hard drive models. This efficiency not only helps in reducing operational costs but also contributes to a longer lifespan for the drive itself.

Overall, the Hitachi HDS723020BLA642 hard drive combines speed, reliability, and efficiency into a compact package, making it an ideal choice for users needing a substantial amount of storage without compromising on performance. Whether for upgrading an existing system or building a new one, this drive offers a blend of technology and durability that caters to modern storage demands.