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CPU Fan Error Asus P5GDC Deluxe

Posted on 2010-08-24
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Last Modified: 2012-05-10
I have a Asus P5GDC Deluxe MB that is getting a CPU Fan Error on startup, Press F1 to continue that starts XP no problems.  
The fan  Thermaltake TT 1225 12V .30amp is running.  Tested with a Glacial Tech 12V  .20amp because that is all i have and got the same error.

I have no idea what sort of heat sink it has expect that it seems very elaborate compared to others i have seen.  Could it be the problem or is it just the fan?  If it is the heatsink could someone send me in the direct of how to change it and how to find out what sort it is.  It has copper pipes sticking up and a silver ventilation system sitting off the cpu.  I don't know if it is original that came with CPU.

Thanks for your help;
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Question by:kcc12
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by:dbrunton
ID: 33519118
>> If it is the heatsink could someone send me in the direct of how to change it and how to find out what sort it is.  It has copper pipes sticking up and a silver ventilation system sitting off the cpu.

Probably a third party cooler.  May even be a Thermaltake heatsink.


Read this thread (2 pages).  Note the comments about disabling Cool and Quiet in the BIOS.  Also download Speedfan http://www.almico.com/speedfan.php and monitor your temperatures and see what they are holding at idle and load.  You seem to have a Pentium 4 processor.  What model and speed?  If unsure get Speccy http://www.piriform.com/speccy and post the information back here or use that information to Google what your correct temperatures should be.
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Author Comment

by:kcc12
ID: 33526960
Thanks for the reply.  I couldn't find link to thread so i searched the disabling cool and quiet, that has stopped the error appearing.  

Speed fan is up and running.  Speccy agrees with you it is a P4 630 Prescott 90nm.  I have googled this and found a chart http://www.computerhope.com/issues/ch000687.htm  I assume i have a Pentium Pro  so it should be running at up 85 C   currently speed fan reports 34C but it has only been on 20min.  
Just checking if i am on track and wandering why this error has started I have had the machine for a few yrs.
thanks
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by:dbrunton
ID: 33527155
Here is the link

http://www.pcguide.com/vb/showthread.php?t=38674

Mind getting old.

Prescott should idle around 35 deg. C
Under load should hit about 60 deg. C.  Not the 85 deg.  C.  If it starts going over 60 you have insufficient cooling.  Possibly 65 deg. C max at most for top.

Try Prime95 to exercise the CPU and get the temperature up and see how the cooling handles it.  There is an option under Prime95 to stress the CPU (get the temperature up).

>> Just checking if i am on track and wandering why this error has started I have had the machine for a few yrs.

Yep.  No idea of why the error has just occurred.




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Author Comment

by:kcc12
ID: 33527375
Stress test soon had CPU at 51C with a flame beside it and AUX at 51C with a flame beside it.  That is when i stopped the test AUX immediately went to 19C CPU 49C and dropping.    Prior to test CPU idle was 38C - 40C.
Is this a safe range?
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dbrunton earned 500 total points
ID: 33527593
Yep.

The flame is because Speedfan doesn't know what is safe so it is guessing that 50 or over is bad.  You were safe at 51.

Idle of 38-40 is OK.

Not sure why AUX is also showing but that might be environment around the CPU.

Try operating the computer normally with Speedfan running (you can minimise it down to the Taskbar) and see what the temperatures do.  You should be OK for everyday normal stuff; wordprocessing, browsing the Internet.
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Author Closing Comment

by:kcc12
ID: 33528341
Thanks your help was much appreciated. Turn 6 programs on and it did heat to 50C then ran a stress test for an hr all looked happy  went to 56C and stayed. I think all is fine Cheers
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