Fujitsu MJA2500BH Maintenance Manual - Page 183
Bits 15-3: Reserved - spec
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5.3 Host Commands *4 Word 49: Capabilities Bits 15-14: Reserved Bit 13: Standby timer value. ATA spec is '1.' Bit 12: Reserved Bit 11: '1' = IORDY supported Bit 10: Bit 9: Bit 8: '1' = IORDY inhibition supported '1' = DMA supported '1' = LBA supported Bits 7-0: Undefined *5 Word 50: Device capability Bit 15: 0 Bit 14: 1 Bit 13 to 1: Reserved Bit 0: Standby timer value '1' = Standby timer value of the device is the smallest value. *6 Word 51: PIO data transfer mode Bits 15-8: PIO data transfer mode Bits 7-0: Undefined X '02' = PIO mode 2 supported *7 Word 53: Enable/disable setting of word 54-58 and 64-70 Bits 15-3: Reserved Bit 2: '1' = Enable the word 88 Bit 1: '1' = Enable the word 64-70 Bit 0: '1' = Enable the word 54-58 *8 Word 59: Transfer sector count currently set by READ/WRITE MULTIPLE command Bits 15-9: Reserved Bit 8: '1' = Enable the multiple sector transfer Bits 7-0: Transfer sector count currently set by READ/WRITE MULTIPLE command without interrupt supports 1, 2, 4, 8 and 16 sectors. C141-E293 5-109