announce: alternate power management

[Albert Cahalan]

pgf writes:

> so:  i've packaged a new version of powerd.  the big change
> is that it now allows for the two modes of operation i mentioned
> last week on the list:
>                 dim
>                 sleep, screen on
>                 sleep, screen off
>                 shutdown
> or:
>                 dim
>                 screen off
>                 sleep, screen off
>                 shutdown

"screen on" and "screen off" aren't very well defined.
What exactly do you mean?

a. the Geode chipset: producing video or not?
b. the DCON: pass-through, freeze-frame, or off?
c. the backlight: on or off?
d. the LCD panel: on or off?