This is gonna sound stupid, but will this work on a Intel Celeron D Oc'd to 3600+?
I don't think it's 64 bit though.....
A few of the Celeron D's are 64-bit:
Intel® Celeron® D Processor Numbers
You can look there to see if yours is. None of them are dual core though. And you'll need to be running the 64-bit version of Windows to get any benefit from it.