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Table 5.5 Command code and parameters (3/3)
COMMAND NAME
READ LOG EXT
WRITE SECTOR(S) EXT
WRITE DMA EXT
SET MAX ADDRESS EXT
WRITE MULTIPLE EXT
WRITE DMA FUA EXT
WRITE LOG EXT
READ VERIFY SECTOR(S) EXT
WRITE UNCORRECTABLE EXT
READ LOG DMA EXT
WRITE LOG DMA EXT
READ FP DMA QUEUED
WRITE FP DMA QUEUED
WRITE MULTIPLE FUA EXT
FLUSH CACHE EXT
CY: cylinder field
DH: device/head field
FR:
features field
SC:
sector count field
SN: sector number field
R:
Retry at error
1 = Without retry
0 = With retry
Y:
Necessary to set parameters
Y*:
Necessary to set parameters under the LBA mode.
N:
Not necessary to set parameters (The parameter is ignored if it is set.)
N*:
May set parameters
D:
The device parameter is valid, and the head parameter is ignored.
X:
Do not care
C141-E259
COMMAND CODE (Bit)
7
6
5
4
3
0
0
1
0
1
0
0
1
1
0
0
0
1
1
0
0
0
1
1
0
0
0
1
1
1
0
0
1
1
1
0
0
1
1
1
0
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
1
5.3 Host Commands
PARAMETER USED
2
1
0
FR
SC
1
1
1
N
Y
1
0
0
N
Y
1
0
1
N
Y
1
1
1
N
Y
0
0
1
N
Y
1
0
1
N
Y
1
1
1
N
Y
0
1
0
N
Y
1
0
1
N
Y
1
1
1
N
Y
1
1
1
N
Y
0
0
0
Y
Y
0
0
1
Y
Y
1
1
0
N
Y
0
1
0
N
N
SN CY DH
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
Y
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
Y
Y
D
N
N
D
5-29
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