Hitachi HDS723020BLA642 manual Diagnostic and Reset considerations, Default Register Values

Models: HDS723020BLA642

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7K200 SATA OEM Specification

 

 

 

Register

 

Default Value

Error

 

Diagnostic Code

Sector Count

 

01h

LBA Low

 

01h

LBA Mid

 

00h

LBA High

 

00h

Device

 

00h

Status

 

50h

Alternate Status

 

50h

 

 

 

Table 30 Default Register Values

The meaning of the Error Register diagnostic codes resulting from power on, COMRESET or the Execute Device Diagnostic command are shown in the following table.

Code

Description

01h

No error Detected

02h

Formatter device error

03h

Sector buffer error

04h

Ecc circuitry error

05h

Controller microprocessor error

 

 

Table 31 Diagnostic Codes

12.2 Diagnostic and Reset considerations

The Set Max password, the Set Max security mode and the Set Max unlock counter don’t retain over a Power On Reset but persist over a COMRESET or Soft Reset.

For each Reset and Execute Device Diagnostic, the Diagnostic is done as follows:

Execute Device Diagnostic

In all the above cases: Power on, COMRESET, Soft reset, and the EXECUTE DEVICE DIAGNOSTIC command the Error register is shown in the following table.

Device 0 Passed

Yes

No

Error Register

01h

0xh

Where x indicates the appropriate Diagnostic Code for the Power on, COMRESET, Soft reset, or Device Diagnostic error.

Table 32 Reset error register values

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Hitachi HDS723020BLA642 manual Diagnostic and Reset considerations, Default Register Values, Diagnostic Codes

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.