Intel CPU fan bypass
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 Oct 14 2007, 11:45 PM, updated 19y ago
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#1
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Senior Member
639 posts Joined: May 2007 From: In The Middle Of Nowhere   
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Hello guys..
wanna ask if anyone knows how to bypass CPU fan. i don't want connect it to CPU fan pin on mobo but wanna connect it directly to 12V power supply. there is 4 wires, black, blue, yellow and green. so howto connect it to 12V power supply. then which wire do i need to loop to get RPM reading of the fan... thank you Attached thumbnail(s) 
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Oct 15 2007, 12:50 AM
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#2
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Staff
9,417 posts Joined: Jan 2003 From: Bladin Point, Northern Territory
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That's a PWM fan, unfortunately you can't directly connect the bugger to any connector without losing the PWM control and getting a high pitched whining noise.
But if you want to Pin 1 is GND (Black) Pin 2 is 12v (Yellow or Red) Pin 3 is SENSE Pin 4 is PWM Connect Pin 1 and 2 to corresponding Mate-n-lok, or if you want it neater, you could crimp it to an original Molex KK. |
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Oct 15 2007, 12:52 AM
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#3
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Senior Member
639 posts Joined: May 2007 From: In The Middle Of Nowhere
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Thanks a lot empire23
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