FUJITSU MCJ3230AP - Manual (Page 105)

4.5 ATA Commands
C156-E205-01EN 4-33
4.5.7 IDLE IMMEDIATE (E1h)
Table 4.28 IDLE IMMEDIATE command
Bit
7 6 5 4 3 2 1 0
CM 1 1 1 0 0 0 0 1
DH X X X DEV X X X X
CH X X X X X X X X
CL X X X X X X X X
SN X X X X X X X X
SC X X X X X X X X
FR X X X X X X X X
The ODD sets the power mode to idle mode.
4.5.8 NOP (00h)
Table 4.29 NOP command
Bit
7 6 5 4 3 2 1 0
CM 0 0 0 0 0 0 0 0
DH X X X DEV X X X X
CH X X X X X X X X
CL X X X X X X X X
SN X X X X X X X X
SC X X X X X X X X
FR X X X X X X X X
The NOP command enables 16-bit access for Status register checking. The ODD
judges an unsupported command. The command ends with Aborted Command.