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(46) WRITE DMA FUA EXT (X'3D'): Option (customizing)
Description
•
The WRITE DMA FUA EXT command has the difference that reports on status
after write to media is completed regardless of the setting of present Write cache
though WRITE DMA EXT command and basic operation are the same.
At command issuance (I/O registers setting contents)
1F7
(CM)
h
1F6
(DH)
h
1F5
(CH) P
h
1F5
(CH) C
h
1F4
(CL) P
h
1F4
(CL) C
h
1F3
(SN) P
h
1F3
(SN) C
h
1F2
(SC) P
h
1F2
(SC) C
h
1F1
(FR) P
h
1F1
(FR) C
h
C: Current
P: Previous
At command completion (I/O registers contents to be read)
1F7
(ST)
h
1F6
(DH)
h
1F5
(CH) 1
h
1F5
(CH) 0
h
1F4
(CL) 1
h
1F4
(CL) 0
h
1F3
(SN) 1
h
1F3
(SN) 0
h
1F2
(SC) 1
h
1F2
(SC) 0
h
1F1
(ER)
h
0: HOB=0
1: HOB=1
C141-E217
0
0
1
1
1
L
1
DV
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
Status information
1
L
1
DV
LBA (47-40)
LBA (23-16)
LBA (39-32)
LBA (15-8)
LBA (31-24)
LBA (7-0)
xx
xx
Error information
5.3 Host Commands
1
1
0
1
xx
xx
5-121
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