cpudyn controls the speed in Intel SpeedStep, Pentium 4 Mobile, and PowerPC machines with the cpufreq driver compiled in the kernel. It saves battery, lowers temperature, and can put the computer disks in standby mode if a given period has passed without any I/O operation. It works well even with journaled file systems such as Ext3, XFS, or ReiserFS.
cpudyn is a property of cpudyn respective authors, vendors and developers. You can download cpudyn for your hardware. If you want to use cpudyn for other purpose, Please contact the authors, vendors and developers of cpudyn.