Hitachi hard disk drive specifications
139
11.12 Idle Immediate (E1h/95h)
Command Block Output Registers
Command Block Input Registers
Table 90 Idle Immediate Command (E1h/95h)
The Idle Immediate command causes the device to enter Idle mode.
The device is spun up to operating speed. If the device is already spinning, the spin up sequence is not
executed.
During Idle mode the device is spinning and ready to respond to host commands immediately.
The Idle Immediate command will not affect to auto power down timeout parameter.