Word

Content

83

7D69H

844163H

or

4773H

85

xxxxH

Description

Command set supported 15-14(=01) Word 83 is valid

13

(=1) FLUSH CACHE EXT command supported

12

(=1) FLUSH CACHE command supported

11

(=1) Device Configuration Overlay command supported

10

(=1) 48-bit Address feature set supported

9

(=0)

Reserved

8

(=1) SET Max Security extension

7

(=0) Set Features Address Offset feature mode

6

(=1)

SET FEATURES subcommand required to spin-up

after power-up

 

 

5

(=1) Power-Up In Standby feature set supported

4

(=0) Removable Media Status Notification feature

3

(=1) Advanced Power Management feature set

2

(=0) CFA feature set

1

(=0)

READ/WRITE DMA QUEUED

0

(=1) DOWNLOAD MICROCODE command

Command set/feature supported extension

15-14(=01)

Word 84 is valid

13(=0)

IDLE IMMEDIATE with UNLOAD FEATURE supported

12-11(= 0)

Reserved

10 (=x)

URG bit supported for WRITE STREAM DMA and WRITE STREAM PIO

9 (=x)

URG bit supported for READ STREAM DMA and READ STREAM PIO

8 (=1)

World wide name supported

7 (=0)

WRITE DMA QUEUED FUA EXT command supported

6 (=1)

WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands

supported

 

 

5 (=1)

General Purpose Logging feature set supported

4 (=x)

Streaming feature set supported

3 (=0)

Media Card Pass Through Command feature set supported

2 (=0)

Media serial number supported

1 (=1)

SMART self-test supported

0 (=1)

SMART error logging supported

Command set/feature enabled

 

15

Reserved

 

14

NOP command

 

13

READ BUFFER command

 

12

WRITE BUFFER command

 

11

Reserved

 

10

Host Protected Area feature set

 

9

DEVICE RESET command

 

8

SERVICE interrupt

 

7

RELEASE interrupt

 

6

LOOK AHEAD

 

5

WRITE CACHE

 

4

PACKET Command feature set

 

3

Power management feature set

 

2

Removable media feature set

 

1

Security feature set

 

0

SMART feature set

Table 86 Identify device information --Continued—

Hitachi hard disk drive specifications

127

Page 127
Image 127
Hitachi HDS721032CLA662, HCS721050CLA382, HCS721032CLA382 Hitachi hard disk drive specifications 127, READ/WRITE DMA Queued

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.

Hitachi's hard drives incorporate various technologies that enhance their performance and durability. Features such as staggered start-up, which gradually powers on the drive, help minimize power surges and increase the longevity of the device. Moreover, Hitachi's commitment to quality ensures that each drive undergoes rigorous testing, guaranteeing functionality and reliability.

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.