Hitachi P7K500 Техническое Руководство
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
203
where x is the value in Sector Count register, y
B
1
B
is the idle time to Low Power Idle mode, and y
B
2
B
is the idle time
to Low RPM standby mode.
If Low power idle mode has already been enabled (i.e., y
B
1
B
has been set) before Low RPM standby mode is
enabled, y
B
1
B
is preserved. If Low power idle mode is disabled (i.e., y
B
1
B
has not been set yet), y
B
1
B
becomes 120[sec]
when Low RPM standby mode is enabled.