OK, it's embarrassing that I don't know how to do this but...<P>(feel free to point and laugh, as long as you also answer my question)<P>The CPU fan on my Athlon T-Bird has started making a soft, high ...

The CPU OPT header is an additional connection for special processor cooling accessories, such as specialized coolers with multiple fans or water-cooling components. Functionally, CPU OPT is identical ...