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| Bit | Word 84 |
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| 0 | SMART error login is supported. |
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| 1 | SMART |
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| 2 | Media serial number is supported. |
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| 3 | Media Card Pass Through Command feature set is supported. |
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| 4 | Streaming feature set is supported. |
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| 5 | GPL feature set is supported. |
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| 6 | WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are supported. |
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| 7 | WRITE DMA QUEUED FUA EXT command is supported. |
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| 8 | |
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| Obsolete. | |
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| Reserved for TLC. | |
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| 13 | IDLE IMMEDIATE command with IUNLOAD feature is supported. |
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| 14 | Shall be set to 1. |
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| 15 | Shall be cleared to 0. |
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| Bit | Word 88 |
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| 0 | Ultra DMA mode 0 is supported. |
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| 1 | Ultra DMA mode 1 is supported. |
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| 2 | Ultra DMA mode 2 is supported. |
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| 3 | Ultra DMA mode 3 is supported. |
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| 4 | Ultra DMA mode 4 is supported. |
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| 5 | Ultra DMA mode 5 is supported. |
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| 6 | Ultra DMA mode 6 is supported. |
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| 8 | Ultra DMA mode 0 is currently active. |
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| 9 | Ultra DMA mode 1 is currently active. |
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| 10 | Ultra DMA mode 2 is currently active. |
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| 11 | Ultra DMA mode 3 is currently active. |
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| 12 | Ultra DMA mode 4 is currently active. |
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| 13 | Ultra DMA mode 5 is currently active. |
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| 14 | Ultra DMA mode 6 is currently active. |
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Constellation CS Serial ATA Product Manual, Rev. C | 32 |
