Interface

(37)READ SECTOR(S) EXT (X’24’): Option (customizing)

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)

1F7h(CM)

0

0

 

1

 

0

0

1

0

0

1F6h(DH)

1

L

 

1

 

DV

xx

 

 

 

1F5h(CH) P

LBA (47-40)

 

 

 

 

 

 

 

1F5h(CH) C

LBA (23-16)

 

 

 

 

 

 

 

1F4h(CL) P

LBA (39-32)

 

 

 

 

 

 

 

1F4h(CL) C

LBA (15-8)

 

 

 

 

 

 

 

1F3h(SN) P

LBA (31-24)

 

 

 

 

 

 

 

1F3h(SN) C

LBA (7-0)

 

 

 

 

 

 

 

1F2h(SC) P

Sector count (15-8)

 

 

 

 

 

1F2h(SC) C

Sector count (7-0)

 

 

 

 

 

1F1h(FR) P

xx

 

 

 

 

 

 

 

 

 

1F1h(FR) C

xx

 

 

 

 

 

 

 

 

 

C:Current

P:Previous

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

1F7h(ST)

 

 

 

Status information

1F6h(DH)

1

L

 

1

DV

xx

1F5h(CH) 1

LBA (47-40)

 

 

 

1F5h(CH) 0

LBA (23-16)

 

 

 

1F4h(CL) 1

LBA (39-32)

 

 

 

1F4h(CL) 0

LBA (15-8)

 

 

 

1F3h(SN) 1

LBA (31-24)

 

 

 

1F3h(SN) 0

LBA (7-0)

 

 

 

1F2h(SC) 1

xx

 

 

 

 

 

1F2h(SC) 0

xx

 

 

 

 

 

1F1h(ER)

Error information

0: HOB=0

 

 

 

 

 

 

1: HOB=1

 

 

 

 

 

 

5-110

C141-E218

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Fujitsu MHV2080AT, MHV2100AT, MHV2120AT, MHV2040AT, MHV2060AT manual Read Sectors EXT X’24’ Option customizing Description