5.3 Host Commands
(17) SLEEP (X’99’ or X’E6’)
This command is the only way to make the device enter the sleep mode.
Upon receipt of this command, the device enters the sleep mode, then reports the status to the host system. The device report the status even if the device has not fully entered the sleep mode.
In the sleep mode, the spindle motor is stopped.
The only way to release the device from sleep mode is to execute a software or
COMRESET.
•Error reporting conditions
(1)A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM |
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| X’99’ or X’E6’ |
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DH | x | x | x | x |
| xx |
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CH |
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| xx |
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CL |
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| xx |
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SN |
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| xx |
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SC |
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| xx |
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FR |
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| xx |
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At command completion (Shadow Block Registers contents to be read)
ST |
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| Status information |
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DH | x | x | x |
| x |
| xx |
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CH |
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| xx |
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CL |
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| xx |
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SN |
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| xx |
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SC |
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| xx |
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ER |
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| Error information |
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