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How come no one talks about CPU degradation? My 920 D0 is degrading. - Page 3

post #21 of 178
Quote:
Originally Posted by i7monkey View Post
I originally ran a battery of stress tests, from Linx, to P95, to memtest86+ for many hours and they all turned out fine with a vcore of 1.2625, but over the past month or two I started getting errors in Linx after an hour, so I bumped it to 1.27 and it ran fine. Then it got errors with 1.27 so I had to bump it to 1.28, and now it won't run with 1.28 without getting errors.

I ran memtest86+ yesterday for 17 hours and 11 passes and it came out with ZERO errors.

I've had the same bios settings and no hardware has been added since (unless you count switching monitors).
Just pump it to 1.3v.

Otherwise send it back to Intel. From what I saw somewhere on here Intel has no way of knowing if the chip was overclocked since overclocks are stored in the BIOS on your motherboard.
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post #22 of 178
i SERIOUSLY doubt a i7 d0 that was perfect to begin with degraded in 18 months at 1.28v.

Either a defective chip from the start... or your running with with a stock heatsink at f@h loads 24/7 since you bought it.

My Q9550 was at 4.0-4.1 for most of its life in the 1.33-1.35 range... i occasionally let it top out at around 65C and that thing is as stable as it was when I bought it over 2 years ago.
    
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post #23 of 178
I would be honestly surprised if this is actually CPU degradation and not some other component malfunctioning. In my experience Intel build really quality chips that can take a retarded amount of abuse.
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post #24 of 178
Instead of bumping it to maintain your current overclock, have you tried downclocking it to see just what speed the current Vcore (1.27-1.28 whatever) will hold?

Also, what speed are you running your memory at? Running 12gb of DDR3 overclocked would put a stress on your IMC as well. I can't speak for everyone, but if I was running bench tests and stressing my rig like you, I would not be running 12gb of memory.

Just my .02
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post #25 of 178
Quote:
Originally Posted by i7monkey View Post
I originally ran a battery of stress tests, from Linx, to P95, to memtest86+ for many hours and they all turned out fine with a vcore of 1.2625, but over the past month or two I started getting errors in Linx after an hour, so I bumped it to 1.27 and it ran fine. Then it got errors with 1.27 so I had to bump it to 1.28, and now it won't run with 1.28 without getting errors.

I ran memtest86+ yesterday for 17 hours and 11 passes and it came out with ZERO errors.

I've had the same bios settings and no hardware has been added since (unless you count switching monitors).

I'm not blaming anyone here, and you guys are really helpful group of guys (and girls), but I'm really stunned how soon this could happen. More people should know about this, and not just "oh...if you overclock your CPU might last only 10 years instead of 20", it should be known that a year and half or two years down the line your cpu might not work as good anymore.
Know how to check capacitors?, cause that's kinda what it sounds like is your problem.

Check for caps that have a rounded head like they popped.
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post #26 of 178
So your ati thread went astray so you start this
post #27 of 178
Thread Starter 
Quote:
Originally Posted by blackbalt89 View Post
Just pump it to 1.3v.
It still doesn't change the fact that it's degraded though.


Quote:
Otherwise send it back to Intel. From what I saw somewhere on here Intel has no way of knowing if the chip was overclocked since overclocks are stored in the BIOS on your motherboard.
I'm sure they won't accept it. What am I going to tell them? I'm doing stability testing on default settings and it's giving me errors? They'll test it and send it back to me.


Quote:
Either a defective chip from the start... or your running with with a stock heatsink at f@h loads 24/7 since you bought it.
I never ran f@h.


Quote:
Instead of bumping it to maintain your current overclock, have you tried downclocking it to see just what speed the current Vcore (1.27-1.28 whatever) will hold?
I'll try it I guess.


Quote:
Also, what speed are you running your memory at?
The RAM's rated at 1600Mhz, but I'm running it at 1539 at 8-8-8-24 timings.


Quote:
Know how to check capacitors?, cause that's kinda what it sounds like is your problem.

Check for caps that have a rounded head like they popped.
I don't know how to do this.
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post #28 of 178
Quote:
Originally Posted by luvsan View Post
Know how to check capacitors?, cause that's kinda what it sounds like is your problem.

Check for caps that have a rounded head like they popped.
Probably not, I believe that his mobo has the polymer caps and they don't suffer problems like the oil-filled paper electrolytics that Dell had so much trouble with.
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post #29 of 178
I have tested various OC settings from 3.4 to 3.9GHz on my rig with 120h of testing in Prime95 (Small,Large FFT and BLEND) and up to 20h of OCCT LINPACK/IBT tests that I know of (have screen shots) and my CPU still runs like a champ on the same Vcore that i set for this 3.9GHz (1.28V LOAD) over a yer ago..

Who knows how much of testing I have done in the process when test has failed and I dont have any screen shot of..(probably another 30h of P95 and couple of hours in IBT/Linpack)..

So you might have a week chip or more probably your motherboard's PWM are degrading..

CHEERS..
     
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post #30 of 178
Quote:
Originally Posted by i7monkey View Post
I don't know how to do this.


Really easy, check around your cpu. could be anywhere tho.
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