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Buffalo heat pipe cooler install

Hello,

I recently purchased an ECS A990FXM-A motherboard and a Buffalo HPFA-10025 heat pipe cooler to go with my AMD FX 6300 CPU. This is my first heat pipe cooler and after installing it it has a couple things that do not look quite correct to me. First, The heat sink portion of the cooler is "offset" from the CPU which leaves about 3/16" of the CPU uncovered. The second issue is I have a three pin connector for the fan, but a four pin connecter on the Motherboard. This looks as though it may be acceptable as there is as the manual shows the fourth pin as being "PWM"? Are there things acceptable or should I obtain a new cooler?
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  1. Best answer
    You definitely don't want part of the CPU being exposed, that will severely hinder the effectiveness of the cooler. It may be installed the wrong direction, have you tried turning it?

    And plugging a 3-pin into a 4-pin is just fine.
  2. HiTechObsessed said:
    You definitely don't want part of the CPU being exposed, that will severely hinder the effectiveness of the cooler. It may be installed the wrong direction, have you tried turning it?

    And plugging a 3-pin into a 4-pin is just fine.
  3. Thank you for replying.

    I thought about turning it, but I currently have the fan on the bottom of the heatsink I think going in the up direction with the airflow. Does it matter if it is going down?
  4. You should be able to put the fan on either side of the cooler to get whatever direction you want the airflow. It's generally better to exhaust the air out the top or rear if possible, so you might check if you can do that. Don't remove the cooler unless you have spare thermal compound to reapply, you don't want to remove it and use the old paste.
  5. Thanks again.

    I hadn't checked to see if I could actually unclip and move the fan around.

    I am still kinda old school and this is my first heat pipe type cooler.

    Do you also know if and forgive me for asking this, but on this type of cooler is it best to spread the compound?
  6. The best/easiest way to do it is the pea method. Just do about a small pea-sized dab in the center of the CPU, then clamp the cooler down on top of it. This will get the compound to spread easily, and prevents air pockets very well. Spreading it around, even with an 'even' coating, results in many tiny air pockets, which decreases effectiveness.
  7. HiTechObsessed said:
    The best/easiest way to do it is the pea method. Just do about a small pea-sized dab in the center of the CPU, then clamp the cooler down on top of it. This will get the compound to spread easily, and prevents air pockets very well. Spreading it around, even with an 'even' coating, results in many tiny air pockets, which decreases effectiveness.
  8. Thank you again so much for your assistance.

    I had spread it out and I was worried that the sliver of exposed CPU there once heated was going to be an issue.

    I had purchased a new tube of the Antec Formula 7 and I will try again with the pea method.

    I also have now looked at the fan clips. Would you have any knowledge of the proper way to remove those without damage?
  9. It kind of looks like the clips on my old cooler. If you can, nudge it to the left or right a little bit, and you should be able to pop one of the pins out of the fan's screw holes. They're just tensioned on there, so expect a little bit of resistance.
  10. Ok Thanks. Have a great day
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