A 32 and 64 bit version of the IPDT or Intel Processor Diagnostic Tool can be downloaded from here: http://www.intel.com/support/processors/sb/CS-031726.htm
You can also see a video on how to use it here: http://www.youtube.com/watch?v=tpPOqh_Bq78
You can use the diagnostic tool to test the various features of your Intel Processor and perform a stress test to ensure that it is operating in a stable manner.