Interface

(51) READ FP DMA QUEUED (X'60')

Description

For details about control of the READ FP DMA QUEUED command, see Section 5.4.6.

At command issuance (Shadow Block Registers setting contents)

CM

0

1

1

0

 

0

0

0

1

 

 

 

 

 

 

 

 

 

 

 

DH

FUA

L

1

 

x

 

 

 

xx

 

CH EXP

 

 

 

LBA (47-40)

 

 

 

CH

 

 

 

LBA (23-16)

 

 

 

CL EXP

 

 

 

LBA (39-32)

 

 

 

CL

 

 

 

LBA (15-8)

 

 

 

SN EXP

 

 

 

LBA (31-24)

 

 

 

SN

 

 

 

LBA (7-0)

 

 

 

 

SC EXP

 

 

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

 

SC

 

 

TAG

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

FR EXP

 

 

 

 

xx

 

 

 

 

FR

 

 

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At command completion (Shadow Block Registers contents to be read)

ST

 

 

 

Status information

 

 

 

 

 

 

 

 

 

DH

1

L

1

 

x

 

xx

 

 

 

 

 

 

 

 

CH EXP

 

 

 

 

xx

 

CH

 

 

 

 

xx

 

CL EXP

 

 

 

 

xx

 

CL

 

 

 

 

xx

 

SN EXP

 

 

 

 

xx

 

SN

 

 

 

 

xx

 

SC EXP

 

 

 

 

xx

 

SC

 

 

 

 

xx

 

ER

 

 

 

Error information

 

 

 

 

 

 

 

 

 

FUA: If this bit is 1, the device always reads data from media regardless of whether the data requested by the host is in the cache.

TAG: Number of a TAG specified by the host

5-166

C141-E249

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Image 240
Fujitsu MHW2100BS, MHW2080BS, MHW2120BS, MHW2040BS, MHW2060BS manual Read FP DMA Queued, Tag