5.3 Host Commands

Bit 13:

Standby timer value. Factory default is '0.' ATA spec is '1.'

Bit 12:

Reserved

 

Bit 11:

1

= Supported

 

Bit 10:

0

= Disable inhibition

 

Bit 7-0:

Undefined

 

Bit 8:

1

= LBA Supported

 

Bit 9:

1

= DMA Supported

 

*4 Word 51: PIO data transfer mode

 

Bit 15-8:

PIO data transfer mode

X’02’=PIO mode 2

Bit 7-0:

Undefined

 

*5 Word 53: Enable/disable setting of word 54-58 and 64-70

Bit 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

 

*6 Word 59:

Transfer sector count currently set by READ/WRITE

MULTIPLE

 

 

 

command

 

Bit 15-9:

Reserved

 

Bit 8:

1

= Enable the multiple sector transfer

Bit 7-0:

Transfer sector count currently set by READ/WRITE

 

MULTIPLE command without interrupt supports 2, 4, 8 and 16

 

sectors.

 

*7 Word 63: Multiword DMA transfer mode

 

Bit 15-8:

Currently used multiword DMA transfer mode

Bit 7-0:

Supportable multiword DMA transfer mode

 

Bit 2: 1 = Mode 2

 

 

Bit 1: 1 = Mode 1

 

 

Bit 0: 1 = Mode 0

 

*8 Word 64: Advance PIO transfer mode support status

Bit 15-8:

Reserved

 

Bit 7-0:

Advance PIO transfer mode

 

C141-E120-02EN

5-35

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Fujitsu MHN2200AT, MHN2150AT, MHN2100AT, MHN2300AT manual Multiple