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Windows 7: Reading fan RPM's


24 Apr 2010   #1

Win7 Professional x64
 
 
Reading fan RPM's

Hey guys..

I was wondering if anyone knew what I should look for regarding molex connectors from hardware and on the motherboard to be able to view RPM's. I know a 3-pin molex will get you a fan reading, but where should it connect, and what if it's 4-pin?
The Rampage 2 Extreme supports reading fan RPM's throughout the whole computer and it's enabled in BIOS, but I think the guys who built this one perhaps messed up some connections.
I get alot of temp readings, but only the CPU fan gives me a fan reading..
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Name:  Speedfan.jpg
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Anyone?

Michael




My System SpecsSystem Spec
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24 Apr 2010   #2

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

You cant get a reading from a 4pin connection that's only a 12v, you need to have a 3pin plugged into the mobo from the fan and it read that info form the BIOS.
My System SpecsSystem Spec
24 Apr 2010   #3

Win7 Professional x64
 
 

Ahh, okey.. Thanks Crispy
Does that mean any fans with only 2 wires are unable to read rpm?
My System SpecsSystem Spec
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24 Apr 2010   #4

Windows 7 ultimate 64 bit / XP Home sp3
 
 

From what I just read on Tomshardware it said 2 wires are for running the fan positive and negitive, the third wire reads the rpms. Fabe
My System SpecsSystem Spec
24 Apr 2010   #5

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

Quote   Quote: Originally Posted by TechTune View Post
Ahh, okey.. Thanks Crispy
Does that mean any fans with only 2 wires are unable to read rpm?
As long as they can plug into the motherboard via a 3pin connection then yes.
My System SpecsSystem Spec
25 Apr 2010   #6

Windows 7 ultimate 64 bit / XP Home sp3
 
 

This is the diagram I posted my reponce from. Fabe Name:  Fan power connectors.PNG
Views: 7
Size:  7.8 KB


My System SpecsSystem Spec
25 Apr 2010   #7

Windows 7 Ultimate x64
 
 

use GPU.Z

google it
My System SpecsSystem Spec
25 Apr 2010   #8

Win7 Professional x64
 
 

Thank you all, always great help on this forum!
th3r0ck, heheh.. started using that on friday actually, very nice program.
My System SpecsSystem Spec
25 Apr 2010   #9

Windows 7 Ultimate x64
 
 

oppS!! then i am late!!
My System SpecsSystem Spec
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 Reading fan RPM's




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