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C141-E034-02EN 5 - 15
Table 5.3 Command code and parameters (2 of 2)
Command code (Bit) Parameters used
76543210FRSCSNCYDH
STANDBY IMMEDIATE 1
1
0
1
0
1
1
0
0
0
1
0
0
0
0
0
NNNND
SLEEP 1
1
0
1
0
1
1
0
1
0
0
1
0
1
1
0
NNNND
CHECK POWER MODE 1
1
0
1
0
1
1
0
1
0
0
1
0
0
0
1
NNNND
SMART 1 0 1 1 0 0 0 0 Y Y Y Y D
Notes:
FR : Features Register CY: Cylinder Registers
SC : Sector Count Register DH : Drive/Head Register
SN : Sector Number Register
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: 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.
D*: The command is addressed to the master device, but both the master device and the slave
device execute it.
X: Do not care
Command name