Hitachi HTS543212L9SA00, HTS543280L9A300 manual Initialize Device Parameters 91h

Models: HTS543212L9SA00 HTS543280L9A300

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5K320 SATA OEM Specification

14.12Initialize Device Parameters (91h)

Command Block Output Registers

Register

7

 

6

 

5

 

4

 

3

2

 

1

 

0

 

Data

-

 

-

 

-

 

-

 

-

-

 

-

 

-

 

Feature

-

 

-

 

-

 

-

 

-

-

 

-

 

-

 

Sector Count

V

 

V

 

V

 

V

 

V

V

 

V

 

V

 

LBA Low

-

 

-

 

-

 

-

 

-

-

 

-

 

-

 

LBA Mid

-

 

-

 

-

 

-

 

-

-

 

-

 

-

 

LBA High

-

 

-

 

-

 

-

 

-

-

 

-

 

-

 

Device

-

 

-

 

-

 

-

 

H

H

 

H

 

H

 

Command

1

 

0

 

0

 

1

 

0

0

 

0

 

1

 

Command Block Input Registers

Register

7

6

5

4

3

2

 

1

0

Data

-

-

-

-

-

-

 

-

-

Error

 

 

...See Below...

 

 

Sector Count

-

-

-

-

-

-

 

-

-

LBA Low

-

-

-

-

-

-

 

-

-

LBA Mid

-

-

-

-

-

-

 

-

-

LBA High

-

-

-

-

-

-

 

-

-

Device

-

-

-

-

-

-

 

-

-

Status

 

 

...See Below...

 

 

Error Register

7

6

5

4

3

2

1

0

 

CRC

UNC

0

IDN

0

ABT

T0N

AM

 

 

 

 

 

 

 

 

N

 

0

0

0

0

0

V

0

0

 

Status Register

7

6

5

4

3

2

1

0

BSY

RDY

DF

DSC

DRQ

COR

IDX

ERR

 

 

 

 

 

 

 

 

0

0

0

-

-

0

0

V

Table 67 Initialize Device Parameters Command (91h)

The Initialize Device Parameters command enables the host to set the number of sectors per track and the number of heads minus 1, per cylinder. Words 54-58 in Identify Device Information reflects these parameters.

The parameters remain in effect until the following events:

Another Initialize Device Parameters command is received.

The device is powered off.

Soft reset occurs and the Set Feature option of CCh is set

Output Parameters To The Device

Sector Count The number of sectors p er track. 0 does not mean there are 256 sectors per track, but there is no

 

sector per track.

H

The number of heads minus 1 per cylinder. The minimum is 0 and the maximum is 15.

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Hitachi HTS543212L9SA00, HTS543280L9A300 manual Initialize Device Parameters 91h, Initialize Device Parameters Command 91h