9.18.2.2Data transfer

Once an SCT command has been issued, status can be checked and data can be transferred. Data transfer uses log page E1h.

9.18.2.2.1Read/Write SCT Data Using SMART

Command Block Output Registers

Register

7

6

5

4

3

2

1

 

0

 

 

 

 

 

 

 

 

 

 

Feature

D5h(Read)/D6h(Write)

 

 

 

Sector Count

Number of sectors to be

 

 

 

transferred

 

 

 

 

 

 

 

 

 

 

 

 

Sector Number

 

 

 

E1h

 

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder Low

 

 

 

4Fh

 

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder High

 

 

 

C2h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Device/Head

-

-

-

D

-

-

-

 

-

 

 

 

 

 

 

 

 

 

 

Command

 

 

 

B0h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 50 Input Registers of SCT Data Transfer Using SMART

9.18.2.2.2Read/Write SCT Data Using Read/Write Log Ext

Command Block Output Registers

Register

 

7

 

6

5

4

3

2

1

 

0

 

 

 

 

 

 

 

 

 

 

 

 

Feature

Current

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

Previous

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sector Count

Current

 

 

 

 

01h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Previous

 

 

 

 

00h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBA Low

Current

 

 

 

 

E1h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Previous

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LBA Mid

Current

 

 

 

 

00h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Previous

 

 

 

 

00h

 

 

 

 

 

 

 

 

 

 

 

 

 

LBA High

Current

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

Previous

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

Device/Head

 

-

-

-

D

-

-

-

 

-

 

 

 

 

 

 

 

 

 

 

 

 

Command

 

 

2Fh(Read)/3Fh(Write)

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 51 Input Registers of SCT Data Transfer using Read/Write Log Ext

Hitachi hard disk drive specifications

87

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Image 87
Hitachi HDS721010CLA632 Data transfer, Read/Write SCT Data Using Smart, Read/Write SCT Data Using Read/Write Log Ext

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.

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