Do the following things
this may help you

kernel-config load default
kernel-config save default
kernel-config default default

leafpad /home/user/.kernel/default

delete frequency below 500
(that are 125 250 along with volts)
reboot

note:in place of default you can use your own profile

edit/ you can use this link for more information
http://talk.maemo.org/showpost.php?p...postcount=4917