Operating on Battery PowerOperating on Battery Power
2-13
Hard Disk Standby ModeHard Disk Standby Mode
The hard disk enters standby mode or light green
mode when there are no disk read/write
operations within the period of time determined by
the computer’s HPM unit. In this state, the power
supplied to the hard disk is reduced to a
minimum. The hard disk returns to normal once
the computer accesses it.
Hibernation ModeHibernation Mode
In hibernation mode, all power shuts off (the
computer does not consume any power). The
computer saves all system information onto the
hard disk before it enters hibernation mode. Once
you turn on the power, the computer restores this
information and resumes where you left off upon
leaving hibernation mode.
There are two necessary conditions for the
computer to enter hibernation mode:
q The hibernation file created by Sleep Manager
must be present and valid. See section 5.1.
q Heuristic Power Management Mode must be
set to [ENABLED].
In this situation, there are four ways to enter
hibernation mode:
q Pressing the sleep hot key Fn-F7 ( )