Antec Three Hundred Case Fan & Asus P8P67 Pro

I had no problem hooking up my CPU cooler fan from Hyper 212 plus to my board.

But when I try to plug in my case fans to the motherboard they won't turn on.
What is going on?

They do work. They start up fine when plugged directly into the PSU, but I want to be able to control them through the motherboard. What's going on here?
5 answers Last reply
More about antec hundred case asus p8p67
  1. those fans run off the molex four pin connectors, they can't be attached to your mobo without adapters
  2. I have some adapters that came with my psu (HX750W), which are called floppy connectors. Can be seen here: Floppy x2

    4 pin to smaller 4 pin.

    These aren't for fans?
  3. those are for floppy disk drives, why new PSU still come with them is beyond me.
    i just replaced my antec fans in my case with enermax TB silence ones. as is those antecs come with a three speed control. any particular reason why you want mobo control of them?

    by the way, very nice PSU
  4. Well, I like the how my CPU fan's RPM changes based on CPU workload, so I just thought maybe I'd like it if all the cases fans changed RPM's based on workload. Right now I just have them set on low.

    Asus has a program that controls case fans based on temps. I was going to use that.

    Would it be a better option to just leave them as is on low?
  5. Anonymous said:
    Well, I like the how my CPU fan's RPM changes based on CPU workload, so I just thought maybe I'd like it if all the cases fans changed RPM's based on workload. Right now I just have them set on low.

    Asus has a program that controls case fans based on temps. I was going to use that.

    Would it be a better option to just leave them as is on low?


    yeah. they move plenty of air on low. i have two antec Blue LED ones in front of my case. they are connected to my mobo but their fan controller overrides them anyway.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16835209011&cm_re=antec_blue_120mm-_-35-209-011-_-Product

    as exhaust I have the enermax 120 & 140mm
    http://www.kitguru.net/components/cooling/zardon/enermax-tb-silence-and-apollish-vegas-fans-review/
  6. ct1615 said:
    yeah. they move plenty of air on low. i have two antec Blue LED ones in front of my case. they are connected to my mobo but their fan controller overrides them anyway.


    So if I was to put the fans on high settings, then plug them into my motherboard, will the motherboard auto control them like it does for my cpu cooler fan or not?
  7. the fan controller over rides the mobo.
  8. ct1615 said:
    the fan controller over rides the mobo.


    So I can't even let the mobo control the fan even if i wanted to...
  9. it just defaults to the low-medium-fast setting

    you would need a fan without a controller that plugs into your mobo (like the enermax i linked above). i don't understand this obsession with mobo fan control? the fans that come with the 300 are solid and do the job on low settings.
  10. ct1615 said:
    it just defaults to the low-medium-fast setting

    you would need a fan without a controller that plugs into your mobo (like the enermax i linked above). i don't understand this obsession with mobo fan control? the fans that come with the 300 are solid and do the job on low settings.



    haha, not an obsession. I'm going to leave them on low hooked up to the psu and not even bother doing anything else.
    I just wanted to tinker with the ASUS fan controller software for shits and giggles, but I guess it wouldn't work anyway, so no point.
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