I read a blog article years back by a game author who inserted CPU/RAM/Math sanity checks into the code (I forget what the reason he did this for was), and he w

I read a blog article years back by a game author who inserted CPU/RAM/Math sanity checks into the code (I forget what the reason he did this for was), and he was suprised with how often it detected hardware errors in customer's PCs. Wish I could find the article again, I forget the details but it was a fun read.