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2.5” Solid State Disk | |
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SET FEATURES (EFh)
This command set parameter to Features register and set drive’s operation. For transfer mode, parameter is set to Sector Count register. This command is used by the host to establish or select certain features.
Features register Value and settable operating mode
Value | Function |
02h | Enable write cache |
03h | Set transfer mode based on value in Sector Count register. |
55h | Disable read |
82h | Disable write cache |
AAh | Enable read |
SET MULTIPLE MODE (C6h)
This command enables the device to perform READ MULTIPLE and WRITE MULTIPLE operations and establishes the block count for these commands.
SLEEP (E6h)
This command causes the device to set BSY, enter the Sleep mode, clear BSY and generate an interrupt.
SMART Function Set (B0h)
Performs different processing required for predicting device failures, according to the subcommand specified in the Features register. If the Features register contains an unsupported value, the Aborted Command error is returned. If the SMART function is disabled, any subcommand other than SMART ENABLE OPERATIONS results in the Aborted Command error.
| Code | Smart Subcommand |
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| D0h | READ DATA |
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| D1h | READ ATTRIBUTE THRESHOLDS |
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| D2h | ENABLE/DISABLE ATTRIBUTE AUTOSAVE |
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| D3h | SAVE ATTRIBUTE VALUES |
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| D5h | Reserved |
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| D6h | Reserved |
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| D8h | ENABLE OPERATIONS |
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Transcend Information Inc. | 23 |
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