Output Parameters To The Device

Sector Count

The number of continuous sectors to be transferred. If zero is specified, then 256

 

sectors will be transferred.

Sector Number

The sector number of the first sector to be transferred. (L=0)

 

In LBA mode, this register contains LBA bits 0 – 7. (L=1)

Cylinder High/Low

The cylinder number of the first sector to be transferred. (L=0)

 

In LBA mode, this register contains LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1)

H

The head number of the first sector to be transferred. (L=0)

 

In LBA mode, this register contains LBA bits 24 – 27. (L=1)

R

The retry bit, but this bit is ignored.

Input Parameters From The Device

Sector Count

The number of requested sectors not transferred. This will be zero, unless an

 

unrecoverable error occurs.

Sector Number

The sector number of the last transferred sector. (L=0)

 

In LBA mode, this register contains current LBA bits 0 – 7. (L=1)

Cylinder High/Low

The cylinder number of the last transferred sector. (L=0)

 

In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High).

 

(L=1)

H

The head number of the last transferred sector. (L=0)

 

In LBA mode, this register contains current LBA bits 24 – 27. (L=1)

Hitachi hard disk drive specifications

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Hitachi HCS721075CLA332, A7K2000 Hitachi hard disk drive specifications 164, Output Parameters To The Device Sector Count

HCS721016CLA382, HCS721050CLA382, HCS721025CLA382, HDP725050GLA360, HUA722050CLA330/1 specifications

Hitachi's lineup of hard disk drives, including models such as HDS721075CLA632, HDS721032CLA362, HDS721032CLA662, HDS721050CLA362, and DSDS7210C09EN-04, offers a variety of features catering to different storage needs. These drives are widely recognized for their reliability, performance, and efficiency, making them suitable for both consumer and enterprise applications.

The HDS721075CLA632 model, with a capacity of 750GB, strikes a balance between performance and storage capabilities. It operates at 7200 RPM, ensuring quick access to data while maintaining low latency. Its 32MB cache enhances data transfer rates and improves overall system responsiveness. This HDD is particularly useful for gaming, multimedia, and office applications, allowing users to store a substantial amount of data with quick retrieval times.

The HDS721032CLA362 and HDS721032CLA662 share many similarities and are both designed for budget-conscious consumers. With a capacity of 320GB and a 7200 RPM, they offer efficient storage solutions for everyday tasks. The 32MB cache buffer enables efficient caching of frequently accessed files, providing a smooth experience for users.

Another notable model is the HDS721050CLA362, which features a capacity of 500GB. Like its counterparts, this drive operates at a speed of 7200 RPM and utilizes a 32MB cache, which ensures optimal performance for data-heavy applications. This model stands out for its energy efficiency, resulting in lower operational costs, making it an appealing choice for businesses and energy-conscious consumers alike.

On the other hand, the DSDS7210C09EN-04 is a part of Hitachi's enterprise-oriented offerings. This drive is engineered for demanding applications, featuring advanced technologies such as error recovery controls and enhanced data protection features. With a focus on reliability and performance, the DSDS7210C09EN-04 serves well in server environments and for high-performance computing.

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Overall, the diverse range of models from Hitachi provides effective solutions for anyone from casual users to enterprises, combining storage capacity with advanced technologies to meet the evolving demands of modern data storage.