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Safe CPU operating Temp

post #1 of 8
Thread Starter 
Ok, heres the lowdown, A friend of myn has a p4 2.8 northy, runnin on a p4p800
Now since im an OC n00b, I took the short route and used the ASUS Ai OC feature to overclock, his system 20%, before doin this I went and purchases a series of 80mm fans, one running at 4000rmp, being an intake fan blowing directly unto the area around the CPU and ram. another 2500rmp blowing at the pci slot area. SO anyways It oced from 2.8 to 3.38 no problem, no hangs, windows starts, but after running prime95 cpu stress test, for maybe about 10min, I restarted and went back into bios to check the temp, and it looks like its running at about a fairly constant 41*C I think thats 108*F, after such little stress, is that too high of a temparature. Is 41* a lil too high for an idle temp? and can the experts point me towards better ways of testing, and checking the CPU specs?
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post #2 of 8
It's a little high. What are the full load temps? With Northwood cores it is best to keep it under or around 55-60c.
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post #3 of 8
that temp of about 41°C is normal (actually low) for a northy. it can idle at even higher temps than that. whatever it is just make sure ur load temps dont exceed above 75°C. doesnt mean that you should continuously run it at that temp. you can lower the temp and should try to by all means.

to identify the cpu, use cpuz. to test it use superpi or prime95
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post #4 of 8
Max for northwoods is 55 so keep there or under.
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post #5 of 8
I have a 2.4 Northy. With stock cooling i had 43c idles and 55c loads for pushing 3 years! Try not to exceed 60c to stay on the safe side.
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post #6 of 8
The passive heatsink is something you might wish to change. Shutting down the system and checking in the bios will not give you anything like an accurate reading of your load temps as you will lose more than 20% of your load by stopping the load program.

R
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post #7 of 8
Thread Starter 
Ok, update as yet. Ran just prime95 the maximum heat stress test for about 4 hours, restarted checked bios temp, switching between 42* and 43*, with info taken from the last post, actual temps are probably durring load are probably higher. And this particular system does not have a passive heatsink, its with a cpu fan, this is my buddies system and not myn. theres a total of 6 fans, if you count the cpu, and massive artic cooling, exhuast fan on the vid card.

What is a good program that I can use to check cpu temp while running the prime95 stress test, and what is another good program I can use to fully stress the comp, since the northy has HT enabled?
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post #8 of 8
Quote:
Originally Posted by TheProfiteer
What is a good program that I can use to check cpu temp while running the prime95 stress test, and what is another good program I can use to fully stress the comp, since the northy has HT enabled?
OCCT CPU Tester
Speedfan

These two programs will do it for you. Run speedfan first and follow the directions giving your cpu/mainboard and voltages. Mainboard cooler than cpu and the voltages will be close to the standard given.

hth,

R
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