do you have this? this is not exactly correct, as better to adjust it according cpu architecture, but might ease load, to put back (if you dont have set any), you need to echo 0 there
(root@accel02)[~]# cat /proc/cpuinfo |grep MHz cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926 cpu MHz : 2899.926