Disclosed is a windows-based power management method for optimally
distributing power for various tasks in a portable device. The power
management method includes the following steps: (a) categorizing each
task to be executed by the portable device, (b) prescribing a power
management policy, (c) distributing shares of a power supply unit among
the tasks based on the category the tasks are associated therewith
according to the power management policy, and (d) in response to the
commands input by the user through a graphical user interface, increasing
the share of the power supply unit provided for a task running within an
active window of the portable device to accomplish an optimized
distribution of power among tasks to be executed by the portable device.
