5.3 Host Commands

(46) WRITE DMA FUA EXT (X '3D')

•Description

The WRITE DMA FUA EXT command reports the status of a command after user data is written to a medium, regardless of whether the write cache feature is enabled or disabled. The other command control and error reporting conditions are the same as those of the WRITE DMA EXT command.

At command issuance (Shadow Block Registers setting contents)

CM

0

0

1

1

1

1

0

1

 

 

 

 

 

 

 

 

 

 

DH

1

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

 

 

 

Sector count (15-8)

 

 

SC

 

 

 

Sector count (7-0)

 

 

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

 

 

 

 

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

 

 

 

 

xx

 

ER

 

 

 

Error information

 

 

 

 

 

 

 

 

 

C141-E280

5-159