So I got Black Ops up on my flash drive. It worked fine for a few days but today, I notice the sound glitches out and I freeze at black screens. I run it on ios250 base 57 as recommended by users here. Others say to use 224 but when I try selecting 224, it only says "224-mload" and when the game is booting up, its base is 36 or 37 I believe. What are the best cfg settings for Black Ops?