I have an Intel SR2520SAXR 2U server...

I have an Intel SR2520SAXR 2U server that works great, except that the fans are too loud. Is there any way to slow them down? The fans are constantly working at the max speed, and I found only one thread on Intel forums regarding that problem, but is wasn't much of a help...
srlesAsked:
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wpathanConnect With a Mentor Commented:
Possibly system fan 1 is the culprit.
Fan /SYS FAN 1 TACH (#0x52)
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wpathanCommented:
BIOS would be the place to look for the speed of fans check if you can find some settings there.
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srlesAuthor Commented:
There is an option: BIOS Setting -> Fan Profile Setting, Performance Compared to Acoustic Mode, but it doesn't solve the problem. Also, I updated BIOS to the newest version using the Intel Deployment Assistant 2.5, and also configured FRUSDR properly. It simply doesn't help.
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wpathanCommented:
There are two occasions in which the fan in noisy,
1. The temprature of the cpu is exceed that is proper cooling is not provided to the server.
2. When the processor utilization is high or some resource intensive application is running.
in our case which one could it be?
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srlesAuthor Commented:
I'm sorry, but there is no option in BIOS where I could see the CPU temperature. Also, CPU utilization is low, the server is not in the production yet...
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wpathanCommented:
Is there any external cooling provided?
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srlesAuthor Commented:
No, just the 3 standard fans, that ship with server. I added only CPU, memory and HDD.
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wpathanCommented:
we will have to dianose if all the fans are running fast or just the one, ideally the fan with excess rpm is usually replaced.
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srlesAuthor Commented:
Here is the event log for the server.
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srlesAuthor Commented:
Ooops, here it is...
2520.txt
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wpathanCommented:
Found following event in the log, it is also possible that if one of the fan is going low on rpm the other will increase the rpm to conpensate for the cooling.
Can you open the cpu and power on the server to check and see if you find any difference in rpms of the three fans?
224 	04/08/2009-17:31:19  	Fan #0x54                           	Lower Non-critical - going low. Asserted Event.                                                                                             	BMC - LUN #0 (Channel #00h)                   
 
225 	04/08/2009-17:31:19  	Fan #0x54                           	Lower Critical - going low. Asserted Event.                                                                                                 	BMC - LUN #0 (Channel #00h)  

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