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CPU thermal control fan


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#1
Dirtwasp87

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I bought a fan for my 3.0 HT processor and it fits fine, and i can see the rpm just fine, but the problem is it won't go above 2300 RPM! but the package and the website, Dr. Thermal 108-fin Thermal Control Fan sckt478, says it's supposed to go between 2500 rpm and 5000 rpm with certian temperatures, but the processor goes up to about 63 degrees © (that's as far as i'll let it go :) :whistling: ) and the fan's rpm stays below 2300rpm. is there any way to get this thermal controlled fan to see the correct temperature or do i have to get a different fan (or maybe order a replacement)?
I would very much rather use this one if i can get it to work.
I've tried everything i can think of as regards to power connecter but nothing works, the cpu just gets hotter.

I believe this fan/HS would work if the fan would speed up enough :blink: :help: .

Edited by Dirtwasp87, 17 May 2006 - 10:52 PM.

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#2
SRX660

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Check in the bios to see if there is a setting to speed up the fan. You can also buy a 4pin molex adapter that will let you run just the red and black wires for full speed.

http://www.directron...to4adapter.html

It is better to run the cpu fan off the motherboard so it will vary in speed. 41 DbA @5000, EH! Betcha that would sound like a jet in the room. You might look here for a better selection of fans. I would use a adapter and a 80mm fan for more airflow plus quieter operation.

http://www.nexfan.com/

SRX660
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#3
Dirtwasp87

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the motherboard does not have thermal control, the fan is the one that is thermal controlled, and it already has the 2 black and red power wires in a 4-pin power connecter and 1 yellow wire going to the 3-pin mobo speed sensor (which works fine). I can see a small circuit board under the fan fins inside the fan itself and if i could get to it, i might be able to disable the thermal sensor but i don't think i wanna go that far.
I think i'm just gonna get a new 70mm fan to put on
does anyone know where i can get a 70mm with at least 4000rpm? or where is the adapter for an 80mm fan to go on my heatsink?
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#4
Dirtwasp87

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i found the 70mm 4200 rpm on geeks.com and on nexfan.com (Thanx SRX660) and i also found the 80mm adapter but i don't remember where (i was searching so many sites), but still does anyone know the fix for this type of fan, i would really like to use this one without having to send it back or wait for a new 70mm fan or another fan/HS altogether (see, i can't run my computer without a Fan/HS b'cause i sold the old one i was using)
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#5
Dirtwasp87

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BTW: what is a god idle temp for a 3.0GHz HT Prescott cpu? I got this fan to somehow get up to about 3600rpm and the cpu idles at about 55c (in the motherboard BIOS) but on Sandra Lite it tells me about 46c idle (in windows) so which one should I trust; Sandra or my Mobo BIOS??
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#6
troppo

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i have a p4 3.0 ghz and mine runs at around 37-38 degress C on stock cooling and the computer is overclocked to 3.25Ghz 55 degress is pushing it and is very hot i would try to get that sucker down a fair bit

are you sure you used quality thermal paste when you installed the new fan? thisis very important it allows the heat from the processor top be trasfered to the heatsink. i would recomend artic silver thermal paste its the best.

but try what ever you can to get thoose temps down they are high and if you run a heavey loading program you may cause damage to your cpu.
troppo
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#7
Dirtwasp87

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i'm not using my computer at these temps i was just turning it on long enough to see the highest temp, and yes I have some good coolermaster thermal paste and i followed the directions on (I think) the arctic cool website (i think that's their name, can't remember). anyway i think i'm going to get a better HSF an actual good one like an Aero4 lite or something that works good like some sort of heatpipe design, any suggestions? maybe something other than a fan on top of a square HS.
www.xoxide.com is a fairly good site.
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#8
troppo

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well there are heaps of fans out there with heatpipes and all sorts of technology how much are you willing to spend on a good fan

here are some they might be a bt expensive but tell me what you think?

http://www.newegg.co...N82E16835118223
http://www.newegg.co...N82E16835118115
http://www.newegg.co...N82E16835194004
http://www.newegg.co...N82E16835150074
http://www.newegg.co...N82E16835128012
http://www.newegg.co...N82E16835106061
this one is good because it has a lw dB rating

but the bigger and better you go the more noise it will generate and unless you want your computer sounding like a jet engine i would suggest trying to find a quite powerefull one

cheack out
www.newegg.com
they have heaps
troppo
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