here's something i dont get...that mobo is for LGA 1155 sandy bridges....sandy bridge pentiums have 3 mb L3 cache and are all above 2.2 gigs....I think you've erred with the specs. non are overclockable the usual way (i.e. like the "K" series processors, you might have tuned the base clock)
secondly, if you saw smoke come out of the machine, it's fried and there's no way you can keep running it.
thirdly, a pentium cannot be over clocked to that level with a stock cooler, without it automatically shutting itself down (Temp failsafe)
I may stand corrected...good luck