
Interface
Table 5.25 Features field values and settable modes (2/2)
Features
Field
Drive operation mode
X ' AA ' Enables the read cache function.
X ' BB '
Specifies the transfer of
X ' C2 ' Disables the Acoustic management function.
X ' CC ' Enables the reverting to
Note: Although there is a response to the command, nothing is done.
At
Write cashe function | : Enabled |
Transfer mode | : PIO |
Advanced power |
|
management function | : Enabled |
Acoustic |
|
management function | : State keeping |
Read cashe function | : Enabled |
Serial ATA function | : Prohibited |
•Error reporting conditions
(1)An undefined code is specified in the FR or SC field (ST = 51h, ER = 04h).
(2)A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block O registers setting contents)
CM | 1 | 1 | 1 | 0 | 1 |
| 1 |
| 1 | 1 |
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DH | x | x | x | x |
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| 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 or *1~3 |
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FR |
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| [See Table 5.6] |
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