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Slowly degrading?

C

Corey0808

Senior member
As you can see in my profile I have an AMD mobile 2500+ @ 2.5gHz @ 1.7v. Back when I got it, it would pass prime95 no problem. Now after a few minutes it locks my system up. I don't believe heat is an issue. The highest temp on prime95 I saw before lock up was 49C. It is kind of hot outside. What do you guys think I should do? Thanks!
 
It's the weather. My computer is the exact same; all winter it ran 2500mhz 100% stable. Then it got hot outside and I had to back it down to 2400mhz and reduce the voltage.
 
Yes definately. At 2500mhz these chips pump out a ton of heat. My computer was actually warming my room up during the winter. I barely notice the 100mhz that I had to lose. You shouldn't risk stablilty for anything; you can lose your data and stuff.
 
Ok. I'll turn it down a notch 🙂. I wonder how low of a voltage I can get for 2400mHz. What is your voltage at? I Was running SETI@Home fine, now it locks up after 12-13hrs or so hopefull it will run fine again.
 
I was running 2500mhz at 1.80v. I'm currently running 2400mhz at 1.70v. From the sounds of it you have a better chip than me, or else you have better cooling. Try 1.65v to start, and slowly go down from there.
 
Yea... I have it at 1.65v @ 2400mHz. I did prime95 and it survived 4 hours with no errors. I decided to start up SETI@Home again, to see if it locks up. I hope it doesn't.

I just don't understand why it would be heat. The temperatures are well within the normal range. I just don't understand why it would cause it to not pass prime95 or run SETI@Home continuously. But, hopefully that's what it is
 
Originally posted by: Corey0808
I just don't understand why it would be heat.
Click to expand...

Hot times, summer in the city. 😛 :beer:

Your ambient room temperature is probably higher, making things much more difficult for your HSF and CPU.
 
A couple of other things to consider are thermal compound degradation and motherboard capacitors wearing. Truth is that no board is meant to run a 2.5GHz chip overvolted. Granted they engineer margin into boards but certainly it reduces lifespan of the board sooner than CPU.
 
Sickbeast is correct the increased temps lower OC.

The approx formula is for every 10C you drop in temps = 100 more Mhz at same Vcore.
 
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