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Old 17-04-2008, 03:46 PM   #1 (permalink) Top
masonic
Geek Trainee
 
Join Date: Apr 2008
Posts: 4
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Default Advice needed on wiring a fan

Hi there - this is my first post -
so I will get straight to the point:
I have a dell poweredge server (600sc), but the fans are terribly noisy I mean absolutely so you cant think in the same room. Anyway I discovered that if I link the fan up to a 5v line on the IDE power connector it slows the fan and makes it acceptably quiet - trouble is that to do this I had to remove the tachometer sensor wire (white wire in the middle) and just attatch the black and red wires to the relevent IDE power - The problem now being that at boot time the BIOS halts and says rear system fan and front system fan not connected press f1 to continue. There is no option at all in the bios to change this behaviour so I need a fix via a hardware solution

So the question is - if I keep the fans hooked up to 5v can I put the white wire back onto the board where it should go and that would solve the problem? What sort of current does that white wire carry? will it blow the board or something if I do that ?

I can actually get away with no case fans on the server if necessary as I have adequate cooling on the processor and the psu is quiet enough its just the rear and front case fans I am concerned with

If anyone can answer my questions or come up with a good solution of how to stop the "press F1" thing happening I will be extremely grateful
Thank you !


the site looks fantastic BTW

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