>> Sorry, to jump in and divert this thread, but could you try and add some
>> X200s data to http://www.thinkwiki.org/wiki/Idle_consumptions ?
> How do I detect this data?
`powertop' is a good tool in general when tracking down power use.
There's also /sys/class/power_supply/BAT0/current_now and files nearby
(some of those are used by powertop IIUC).
Stefan