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 Post subject: HELP!! Confusion on PWM Y-Cable
PostPosted: Tue Nov 08, 2011 7:24 pm 
8086
8086

Joined: Wed Aug 17, 2011 8:41 pm
Posts: 3
Hi everyone! I am the beginner of playing DIY on my own computer. I have searched the PWM Y-Cable in the market, they are only using in the mainboard. The PWM signal input from the mainboard is used to control a series of connected PWM fans for optimal performance in noise and cooling.

Now I come up some questions that need someone can fixed my confusion.

1) Why the PWM Y-Cable just used in mainboard, not in graphic card?
2) Is it necessary to input the signal from the GPU and make the RPM of VGA cooler and case fan at the same speed?
3) If it makes sense, why I cannot find the PWM Y-cable for graphic card?

That’s all I want to know. Thanks~


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 Post subject: Re: HELP!! Confusion on PWM Y-Cable
PostPosted: Wed Nov 09, 2011 9:17 am 
Thoroughbred
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Joined: Sat May 07, 2011 12:30 pm
Posts: 1922
Location: A place not actively occupied by something else.
hang19840324 wrote:
Hi everyone! I am the beginner of playing DIY on my own computer. I have searched the PWM Y-Cable in the market, they are only using in the mainboard. The PWM signal input from the mainboard is used to control a series of connected PWM fans for optimal performance in noise and cooling.

Now I come up some questions that need someone can fixed my confusion.

1) Why the PWM Y-Cable just used in mainboard, not in graphic card?
2) Is it necessary to input the signal from the GPU and make the RPM of VGA cooler and case fan at the same speed?
3) If it makes sense, why I cannot find the PWM Y-cable for graphic card?

That’s all I want to know. Thanks~

You don't need PWM on your GPU. It already has it built in. I don't know what to do on ATI/AMD cards, but with a card made by Nvidia, download the System Tools. Open it up, then you can adjust the clock speeds (if you want to overclock it), and below that, the fan speeds.


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 Post subject: Re: HELP!! Confusion on PWM Y-Cable
PostPosted: Sat Nov 12, 2011 5:25 am 
Little Foot
Little Foot

Joined: Mon May 25, 2009 5:46 am
Posts: 113
If you want to adjust fans speeds on AMD graphics cards, just open the AMD Overdrive tab in Catalyst Control Center (aka AMD Vision Engine). From there you can enable manual fan control and set the slider to where you want it.


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