ATA Bus Interface and ATA Commands
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| Table |
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Word |
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| CONTENT DESCRIPTION |
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53 | Reserved | ||
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| 2: |
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| 1 | = the fields reported in word 88 are valid. | |
| 0 | = the fields reported in word 88 are not valid | |
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| 1: |
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| 1 | = the fields reported in words (70:64) are valid. | |
| 0 | = the fields reported in words (70:64) are not valid | |
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| 0: |
| Obsolete |
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Obsolete |
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59 | Reserved | ||
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| 8: |
| 1 = Multiple sector setting is valid |
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| xxh = Current setting for number of sectors that shall be transferred per | ||
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| interrupt on R/W Multiple command |
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Total number of user addressable sectors | |||
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62 | Obsolete |
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63 | Reserved | ||
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| 10: |
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| 1 | = Multiword DMA mode 2 is selected. | |
| 0 | = Multiword DMA mode 2 is not selected | |
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| 9: |
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| 1 | = Multiword DMA mode 1 is selected. | |
| 0 | = Multiword DMA mode 1 is not selected | |
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| 8: |
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| 1 | = Multiword DMA mode 0 is selected. | |
| 0 | = Multiword DMA mode 0 is not selected | |
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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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64 | Reserved | ||
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| PIO modes supported | ||
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65 | Minimum Multiword DMA transfer cycle time per word | ||
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| Cycle time in nanoseconds | ||
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66 | Manufacturer’s recommended Multiword DMA transfer cycle time | ||
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| Cycle time in nanoseconds | ||
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