please try this, see can it do better.
this is why K8 is better than P4 in thermal management.

“Although CrystalCPUID was originally created for use with Athlon 64s, from version 4.3 onward, the software was modified for Enhanced Intel Speedstep Technology (EIST) and on-demand clock modulation (ODCM), Intel's dynamic CPU clock / voltage management features built into the Intel 600 series, the 570J and the Pentium M processors.” silentpcreview

http://www.silentpcreview.com/article231-page1.html