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| 5.3 Host Commands |
Bit 13: | Standby timer value. Factory default is '0.' ATA spec is '1.' | ||
Bit 12: | Reserved |
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Bit 11: | 1 | = Supported |
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Bit 10: | 0 | = Disable inhibition |
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Bit | Undefined |
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Bit 8: | 1 | = LBA Supported |
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Bit 9: | 1 | = DMA Supported |
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*4 Word 51: PIO data transfer mode |
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Bit | PIO data transfer mode | X’02’=PIO mode 2 | |
Bit | Undefined |
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*5 Word 53: Enable/disable setting of word | |||
Bit | Reserved |
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Bit 2: | 1 | = Enable the word 88 |
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Bit 1: | 1 | = Enable the word |
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Bit 0: | 1 | = Enable the word |
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*6 Word 59: | Transfer sector count currently set by READ/WRITE | ||
MULTIPLE |
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| command |
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Bit | Reserved |
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Bit 8: | 1 | = Enable the multiple sector transfer | |
Bit | Transfer sector count currently set by READ/WRITE | ||
| MULTIPLE command without interrupt supports 2, 4, 8 and 16 | ||
| sectors. |
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*7 Word 63: Multiword DMA transfer mode |
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Bit | Currently used multiword DMA transfer mode | ||
Bit | Supportable multiword DMA transfer mode | ||
| Bit 2: 1 = Mode 2 |
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| Bit 1: 1 = Mode 1 |
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| Bit 0: 1 = Mode 0 |
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*8 Word 64: Advance PIO transfer mode support status | |||
Bit | Reserved |
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Bit | Advance PIO transfer mode |
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