[Testing] Final review for Power Management Requirements, Trial-2

[Kim Quirk]

Everyone in the TO: list,
Can you please review these requirements and send a reply to this email that
you agree or you want modifications. This is the only 'formal' process we
have for getting the requirements written down and agreed on.

It would be great to get this reviewed today -- since there are a number of
people who depend on understanding how this is supposed to work.

Thanks!!
Kim
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Power Management Requirements

Most of the power management is behind the scene and should be invisible to
the student.

*DCON mode*

   - PW1 Whenever possible the laptop should go into DCON mode, which is
   the lowest possible power usage to conserve battery life. If the laptop is
   powered up and left running without intervention with default 'suspend'
   power settings, the laptop battery life should exceed 24 hours.
      - PW1.1 While in DCON mode or when coming in and out of DCON
      mode, the student will not notice anything as the screen will remain on.
      (See Screen off below, which WILL be noticed by the student).

*Screen off*

   - PW2 After 10 minutes of inactivity through keyboard, mouse,
   directional, or gamepad keys, the screen will turn completely off (black).
   - PW3 The screen will turn back on at the press of any key on the
   keyboard, mouse, directional or gamepad keys. The back light will come back
   on to the level it was before the screen saver turned on.

*Suspend/Resume Button*

   - PW4 Pushing the 'Suspend/Resume' button (used to be the power
   button), will put the laptop into suspend mode, which includes Screen off.
      - PW4.1 In suspend mode, the laptop will continue to forward
      wireless packets if it is in the path between another laptop and
an internet
      connection (school server, XO as MPP).
      - PW4.2 Pushing the 'Suspend/Resume' button when the laptop is
      suspended will return it to powered on state with the same activities
      running as before it suspended.
   - PW5 When the battery gets to its defined shut down level, whether in
   suspend mode or full operational mode, it will shut down gracefully, without
   data destruction.
   - PW6 The student must be able to execute a full power down of the
   laptop from the Sugar home view.

From: http://wiki.laptop.org/go/Requirements
Kim
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