FUJITSU MHK2090AT User Manual
Page 108
5.3 Host Commands
C141-E088-03EN
5-35
Table 5.4 Information to be read by IDENTIFY DEVICE command (4 of 8)
Bit 13:
Standby timer value. Factory default is 0.
Bit 12:
Reserved
Bit 11:
IORDY support
1=Supported
Bit 10:
IORDY inhibition
0=Disable inhibition
Bit 9-0:
Undefined
Bit 9, 8:
Always 1
*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:
Enable/disable setting of word 88
1=Enable
Bit 1:
Enable/disable setting of word 64-70
1=Enable
Bit 0:
Enable/disable setting of word 54-58
1=Enable
*6 Word 59:
Transfer sector count currently set by READ/WRITE MULTIPLE
command
Bit 15-9:
Reserved
Bit 8:
Multiple sector transfer 1=Enable
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
Bit 1 = 1 Mode 4