Table 5.4 Command code and parameters (2 of 2)
Command name |
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| Parameters used |
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7 | 6 |
| 5 | 4 | 3 | 2 |
| 1 | 0 | FR | SC | SN | CY | DH | ||
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STANDBY IMMEDIATE | 1 | 0 |
| 0 | 1 | 0 | 1 |
| 0 | 0 | N | N | N | N |
| D |
| 1 | 1 |
| 1 | 0 | 0 | 0 |
| 0 | 0 |
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SLEEP | 1 | 0 |
| 0 | 1 | 1 | 0 |
| 0 | 1 | N | N | N | N |
| D |
| 1 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 0 |
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CHECK POWER MODE | 1 | 0 |
| 0 | 1 | 1 | 0 |
| 0 | 0 | N | N | N | N |
| D |
| 1 | 1 |
| 1 | 0 | 0 | 1 |
| 0 | 1 |
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SMART | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 0 | 0 | Y | Y | Y | Y |
| D |
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FLUSH CACHE | 1 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | N | N | N | N |
| D |
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SECURITY DISABLE PASSWORD | 1 | 1 |
| 1 | 1 | 0 | 1 |
| 1 | 0 | N | N | N | N |
| D |
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SECURITY ERASE PREPARE | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | N | N | N | N |
| D |
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SECURITY ERASE UNIT | 1 | 1 |
| 1 | 1 | 0 | 1 |
| 0 | 0 | N | N | N | N |
| D |
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SECURITY FREEZE LOCK | 1 | 1 |
| 1 | 1 | 0 | 1 |
| 0 | 1 | N | N | N | N |
| D |
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SECURITY SET PASSWORD | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 0 | 1 | N | N | N | N |
| D |
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SECURITY UNLOCK | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | N | N | N | N |
| D |
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Notes: |
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FR : Features Register | CY: Cylinder Registers |
SC : Sector Count Register | DH : Drive/Head Register |
SN : Sector Number Register |
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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
5 - 15 |
