Tmaster, I am afraid to say that your motherboard and processors have been out of support since December, 2012
However, you can try testing the system out of the chassis with minimal configuration. (Motherboard, processor, power supply, 1 memory stick and video card) . Then add the hard drive were you have the OS install and check the performance of the CPU.
You could also download the "Intel Processor Diagnostic Tool 64 or 32 bit" . This diagnostic tool checks for brand identification, verifies the processor operating frequency, tests specific processor features, and does a stress test on the processor.
You can try to remove the CMOS battery and leave the system without it for about an hour. Then put it back on and restart the system.
Thanks Sylvia, I tried the steps you mentioned
The Intel Diagnostic tool ran fine, removing the battery for an hour had no effect either
Is there a way to atleast determine if this is a processor failure or a motherboard failure?
Would you please go to the BIOS and run default settings just to discard if any processor overrides was changed?
Also, which is the current BIOS version on your motherboard?