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C141-E106-01EN 5 - 15
Table 5.4 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 0000YYYYD
FLUSH CACHE 11100111NNNND
SECURITY DISABLE PASSWORD 1 1 1 1 0110NNNND
SECURITY ERASE PREPARE 11110011NNNND
SECURITY ERASE UNIT 11110100NNNND
SECURITY FREEZE LOCK 11110101NNNND
SECURITY SET PASSWORD 1 1 1 1 0001NNNND
SECURITY UNLOCK 11110010NNNND
SET MAX ADDRESS 1 1 1 1 1001NYYYY
READ NATIVE MAX ADDRESS 1 1 1 1 1000NNNND
Notes:
FR : Features Register CY: Cylinder Registers
SC : Sector Count Register DH : Drive/Head Register
SN : Sector Number Register
R: R = 0 or 1
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