9.4.4
Interface Capability for Power Modes
Each power mode affects the physical interface as defined in the following table:
Mode
Active
Idle
Standby
sleep
Table 31 Power conditions
Ready (RDY) is not a power condition. A device may post ready at the interface even though the media may not
be accessible.
BSY
RDY
x
x
0
1
0
1
x
x
Hitachi hard disk drive specifications
60
Interface active
Yes
Yes
Yes
No
Media
Active
Active
Inactive
Inactive