Hitachi CinemaStar P7K500 Specifications page 275

Command category is referred to "10.0 Command Descriptions Command Protocol " on page 115.
The abbreviations "ns", "us", "ms" and "sec" mean nanoseconds, microseconds, milliseconds and seconds,
respectively.
We recommend that the host system executes Soft reset and then retries to issue the command if the host
system timeout would occur for the device.
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
267