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  #1  
Old 06-22-2007, 01:08 AM
WannaKatana
 
Posts: n/a
Default Case with 3 fans, MB only one plug for turn-on lead(?)

I have a case with 3 fans. Each fan has a power connection and another
small wire which I'm guessing is the turn-on lead. Is there a way to
get these all hooked up if the motherboard only has one place to plug
this wire?

Thanks,

Joel

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  #2  
Old 06-22-2007, 01:18 AM
Travis McGee
 
Posts: n/a
Default Re: Case with 3 fans, MB only one plug for turn-on lead(?)


"WannaKatana" <GiveMeChocolate@gmail.com> wrote in message
news:1182470889.897646.292750@w5g2000hsg.googlegro ups.com...
> I have a case with 3 fans. Each fan has a power connection and another
> small wire which I'm guessing is the turn-on lead. Is there a way to
> get these all hooked up if the motherboard only has one place to plug
> this wire?
>


I'm not sure what you're trying to do here......The mobo diagram has all the
fan leads listed, CPU, case fans, sys fans, etc. some have more spots than
others. If I were you, I'd hook them up straight to the molex conection,
using a variable speed fan to control the spin. If your mobo only has one
spot for a fan/w monitor, just use that one and power the others direct. Are
you trying to make quiet, or what?


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  #3  
Old 06-22-2007, 01:50 AM
Frank McCoy
 
Posts: n/a
Default Re: Case with 3 fans, MB only one plug for turn-on lead(?)

In alt.comp.hardware.pc-homebuilt WannaKatana
<GiveMeChocolate@gmail.com> wrote:

>I have a case with 3 fans. Each fan has a power connection and another
>small wire which I'm guessing is the turn-on lead. Is there a way to
>get these all hooked up if the motherboard only has one place to plug
>this wire?
>

Like I said before, the third lead is just used to measure fan-speed.
Just get a Y connector to plug it into one of the drive Molex
connectors. It'll run fine.

Since the motherboard doesn't have the connector to measure fan-speed
for more than two fans (CPU and Chassis) any other fans you connect just
won't show up on the monitor. They'll RUN just fine though.

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  #4  
Old 06-22-2007, 07:35 AM
WannaKatana
 
Posts: n/a
Default Re: Case with 3 fans, MB only one plug for turn-on lead(?)

On Jun 21, 6:50 pm, Frank McCoy <mcc...@millcomm.com> wrote:
> In alt.comp.hardware.pc-homebuilt WannaKatana
>
> <GiveMeChocol...@gmail.com> wrote:
> >I have a case with 3 fans. Each fan has a power connection and another
> >small wire which I'm guessing is the turn-on lead. Is there a way to
> >get these all hooked up if the motherboard only has one place to plug
> >this wire?

>
> Like I said before, the third lead is just used to measure fan-speed.


Sorry I missed that I guess.

> Since the motherboard doesn't have the connector to measure fan-speed
> for more than two fans (CPU and Chassis) any other fans you connect just
> won't show up on the monitor. They'll RUN just fine though.


Oh so those other two will just run constantly? I was thinking they
all run only when needed.

>
> --
> _____
> / ' / ™
> ,-/-, __ __. ____ /_
> (_/ / (_(_/|_/ / <_/ <_



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  #5  
Old 06-22-2007, 02:31 PM
Frank McCoy
 
Posts: n/a
Default Re: Case with 3 fans, MB only one plug for turn-on lead(?)

In alt.comp.hardware.pc-homebuilt WannaKatana
<GiveMeChocolate@gmail.com> wrote:

>On Jun 21, 6:50 pm, Frank McCoy <mcc...@millcomm.com> wrote:
>> In alt.comp.hardware.pc-homebuilt WannaKatana
>>
>> <GiveMeChocol...@gmail.com> wrote:
>> >I have a case with 3 fans. Each fan has a power connection and another
>> >small wire which I'm guessing is the turn-on lead. Is there a way to
>> >get these all hooked up if the motherboard only has one place to plug
>> >this wire?

>>
>> Like I said before, the third lead is just used to measure fan-speed.

>
>Sorry I missed that I guess.
>
>> Since the motherboard doesn't have the connector to measure fan-speed
>> for more than two fans (CPU and Chassis) any other fans you connect just
>> won't show up on the monitor. They'll RUN just fine though.

>
>Oh so those other two will just run constantly? I was thinking they
>all run only when needed.
>

It's pretty much they *all* run constantly.
Some motherboards (OK, most these days) have the *option* of reducing
speed on fans. Rarely do they shut them off completely. Most people
run them at full speed anyway; because the electronics runs cooler.

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