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Idle or schedule-based power management?

PowerMAN allows both idle (timeout driven) and scheduled power management actions to be configured. Each has advantages and in some cases they may be used most productively together:

  • Idle Strategy – The Default, No User and specific user policies allow an idle timeout to be defined. This is very similar to the basic configuration available in the Windows Control Panel Power applet. A timeout strategy allows each computer to respond dynamically to its environment. This will normally maximize any power savings but does mean that each computer will behave independently. This may be unsuitable for some environments such as timetabled rooms in schools.
  • Scheduled Strategy – The scheduled shutdown / sleep / hibernate policy allows a specific action to occur at a specific time. This is ideal for environments with a predictable usage pattern or where independent computer behaviour may be disruptive. Unless computer utilisation is very high it is unlikely that a scheduled strategy alone will achieve the savings possible from an idle-based approach.
  • Combined Strategy – In some environments a combination of the two strategies may be ideal. A common approach is to use a light sleep timeout driven strategy for „daytime‟ periods. This has the advantage of a fast resume time and minimal disruption. This can be complemented by a nightly full shutdown or hibernation strategy.
PowerMAN offers several complementary power management policy features to maximise success.