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FUJITSU MHZ2250BJ User Manual

Page 183

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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:

'1' = IORDY inhibition supported

Bit 9:

'1' = DMA supported

Bit 8:

'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 X '02' = PIO mode 2 supported

Bits 7-0:

Undefined

*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-E280

5-109

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