ram usage is 69 percent now.swap usage is 14 percent now. processes 194 running 1,,,cpu usage 34 percent. i changed it to 600.still no luck.i went out with 96.browsed web for 20mins.took 6 cals for a total of 20mins. and boom battery is 76 percent. it has been a yr i am using N900.i faced no harware problem.what do u suggest?