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FUJITSU MHR2030AT User Manual

Page 177

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5.3 Host Commands

C141-E145-02EN

5-103

(46) READ SECTOR (S) EXT (24H)

Description

This command is the extended command of the READ SECTOR (S)
command. The LBA specification is increased from 28 bits to 48 bits, and
the maximum number of sectors that can be transferred by a single command
is changed from 100h to 10000h. Other command controls are the same as
those of the READ SECTOR (S) command.

At command issuance (I/O registers setting contents)

1F7

h

(CM)

0

0

1

0

0

1

0

1

1F6

h

(DH)

1

L

1

DV

xx

1F5

h

(CH) P

1F5

h

(CH) C

1F4

h

(CL) P

1F4

h

(CL) C

1F3

h

(SN) P

1F3

h

(SN) C

1F2

h

(SC) P

1F2

h

(SC) C

1F1

h

(FR) P

1F1

h

(FR) C

LBA (47-40)

LBA (23-16)

LBA (39-32)

LBA (15-8)

LBA (31-24)

LBA (7-0)

Sector count (15-8)

Sector count (7-0)

xx

xx

C: Current
P: Previous

At command completion (I/O registers contents to be read)

1F7

h

(ST)

Status information

1F6

h

(DH)

1

L

1

DV

xx

1F5

h

(CH) 1

1F5

h

(CH) 0

1F4

h

(CL) 1

1F4

h

(CL) 0

1F3

h

(SN) 1

1F3

h

(SN) 0

1F2

h

(SC) 1

1F2

h

(SC) 0

1F1

h

(ER)

LBA (47-40)

LBA (23-16)

LBA (39-32)

LBA (15-8)

LBA (31-24)

LBA (7-0)

xx

xx

Error information

0: HOB=0
1: HOB=1

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