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| 5K320 SATA OEM Specification | |
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| Word | Content |
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| 0 | 0002h | Data Structure revision |
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| 1 | Multiword DMA | modes supported |
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| Reserved |
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| 2 | 1 | = Multiword DMA mode 2 and below are supported |
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| 1 | 1 | = Multiword DMA mode 1 and below are supported |
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| 0 | 1 | = Multiword DMA mode 0 is supported |
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| 2 | Ultra DMA modes | supported |
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| Reserved |
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| 5 | 1 | = Ultra DMA mode 5 and below are supported |
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| 4 | 1 | = Ultra DMA mode 4 and below are supported |
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| 3 | 1 | = Ultra DMA mode 3 and below are supported |
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| 2 | 1 | = Ultra DMA mode 2 and below are supported |
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| 1 | 1 | = Ultra DMA mode 1 and below are supported |
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| 0 | 1 | = Ultra DMA mode 0 is supported |
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| Maximum LBA | address |
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| 7 | Command set/feature set supported |
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| Reserved |
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| 8 | 1 | = |
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| 7 | 1 | = Host Protected Area feature set supported |
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| 6 | Reserved |
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| 5 | Reserved |
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| 4 | 1 | = |
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| 3 | 1 | = Security feature set supported |
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| 2 | 1 | = SMART error log supported |
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| 1 | 1 | = SMART |
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| 0 | 1 | = SMART feature set supported |
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| 8 | SATA feature |
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| Reserved |
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| 4 | 1 | = Software setting preservation supported |
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| 3 | Reserved |
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| 2 | 1 | = Interface power management supported |
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| 1 | 1 | = |
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| 0 | 1 | = Native command queuing supported |
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| Reserved |
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| 255 | Integrity word <Note .> |
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| Checksum |
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| Signature (A5h) |
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Table 46 Device Configuration Overlay Data structure
Note.
Bits 7:0 of this word contain the value A5h. Bits 15:8 of this word contain the data structure checksum. The data structure checksum is the two’s complement of the sum of all byte in words 0 through 254 and the byte consisting of bits 7:0 of word 255. Each byte is added with unsigned arithmetic, and overflow is ignored. The sum of all bytes is zero when the checksum is correct.
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