CPU Fan

Hi Every one
Should the fan on the CPU unit be blowing or sucking. I have had my fan off, when I came to put it back there is no indication of top or bottom?
Bill 67
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  1. If the fan is mounted parallel with the motherboard, it has to blow air downwards, onto the motherboard.

    If its mounted perpendicular to the mobo (like on a tower shaped cooler), most people mount it in such a way so it blows air into the heatsink. It's seldom used to suck air through the heatsink.

    Hope this clarifies your question.
  2. Nils said:
    If the fan is mounted parallel with the motherboard, it has to blow air downwards, onto the motherboard.

    If its mounted perpendicular to the mobo (like on a tower shaped cooler), most people mount it in such a way so it blows air into the heatsink. It's seldom used to suck air through the heatsink.

    Hope this clarifies your question.



    Thank you.
    Bill 67
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