
4.5 ATA Commands
Table 4.27 Error register
Bit | 7 | Bit 6 | Bit 5 | Bit | 4 | Bit 3 | Bit | 2 | Bit 1 | Bit | 0 |
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0 |
| WRT_PT | MC | 0 |
| MCR | 0 |
| NOMED | 0 |
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WRT_PT: Set to 1 when
MC: Set to 1 when media is exchanged. Reported only once.
MCR: Set to 1 when the Eject switch is pressed. Reported only once.
NOMED: Set to 1 when no media is inserted.
If this command is received while the media status notification function is disabled, this command responds with the ODD status assuming that the media status notification function is enabled. Subsequently, this command operates assuming that the media status notification function is enabled until it is set to disabled.
4.5.7 IDLE IMMEDIATE (95h/E1h)
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| Table 4.28 IDLE IMMEDIATE command |
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| 7 | 6 | 5 | 4 |
| 3 | 2 | 1 | 0 |
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CM | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | |
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| 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | |
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DH | X | X | X | DRV |
| X | X | X | X |
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CH | X | X | X | X |
| X | X | X | X |
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CL | X | X | X | X |
| X | X | X | X |
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SN | X | X | X | X |
| X | X | X | X |
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SC | X | X | X | X |
| X | X | X | X |
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FR | X | X | X | X |
| X | X | X | X |
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The ODD sets the power mode to idle mode.