I'm stuck. Just putting together a new system and all I have are 3 wire fans for the heatsink. The CPU fan connection on the motherboard is a 4 pin thingy.<br>I can plug in the 3 pin connector but the ...

You probably have at least ten three-pins plugs in your home, and more at work, but have you ever stopped to look at the pins? You'll notice that one of the three is longer than the others. Find out ...