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i7 930 4.2GHz was stable, now shurts down suddenly under load - Page 3

post #21 of 34
Quote:
Originally Posted by shapiror06 View Post
I think you're right. If my CPU is messed up, what do you think my chances are getting G.Skill to replace the CPU?
If you have a copy of that email where they clearly stated that-I'd forward it to Intel and see what they say. And if Intel screams bloody murder you might well have a shot.


Most, if not all of the high OC'd DDR3 RAM-that is over-1600, does not warn that it usually needs stupid high QPI/VTT voltages to run that can samage a CPU like a Bloomfield. Bloomfield considers 1066mHz to be the norm for it's IMC, anything over that is technically overclocked.


Of course, if you told GSkill you were overclocking and altering voltages-and they know it...Intel will say SOL, as you were running the CPU out of specification. The warranty of Intel's clearly states that altering the voltages/clocks of the CPU voids any warranty on their part.

If GSkill and Intel are ignorant of you overclocking, you can claim that you ran your board on "auto" settings and this happened. My P6X58D-E on "auto" settings with my RAM at 2133 sets my QPI/VTT to 1.525V for example enough to, IMO, damage my chip for mid and long term usage.
Edited by Skripka - 1/27/11 at 11:21am
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post #22 of 34
Thread Starter 
It's been months since G.Skill told me that. I'll have to look through my emails but I doubt I still have the email.

I wish I knew what I know now when I bought this RAM. I would have never got it had I known that overclocking is REQUIRED to run ram at those kinds of speeds. For example, if you enable XMP on the RAM,a nd leave everything else on AUTO, it automatically increases the BCLK and overclocks the processor.
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post #23 of 34
Quote:
Originally Posted by shapiror06 View Post
It's been months since G.Skill told me that. I'll have to look through my emails but I doubt I still have the email.

I wish I knew what I know now when I bought this RAM. I would have never got it had I known that overclocking is REQUIRED to run ram at those kinds of speeds. For example, if you enable XMP on the RAM,a nd leave everything else on AUTO, it automatically increases the BCLK and overclocks the processor.
Live and learn.

I was excited when I got my 2133mHz RAM. And was stunned at the benchmark scores I was seeing over 1600mHz that I had had. I just set the freq manually and left the voltages on auto--I was running my CPU at stock freqs for stability checks.

After I got said RAM, and played around for 2 hours on auto-I looked in AIDA64 to see what it said my machine was doing at the hardware level. My jaw dropped at the voltages the BIOS set on auto-and I quickly rebooted and downclocked my memory.

XMP does weird things-and I never enable it.
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post #24 of 34
Thread Starter 
Quote:
Originally Posted by Outcasst View Post
Same thing happened to me with my 1 week old chip.

http://www.overclock.net/intel-cpus/...-my-2600k.html

Never really found a cause or solution.
I read through your whole thread. Is your OC stable now? If so, what did you change to make it stable?
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post #25 of 34
Quote:
Originally Posted by shapiror06 View Post
I read through your whole thread. Is your OC stable now? If so, what did you change to make it stable?
Barely. I can't go above 1.39v or else I just get random shut offs.

I have no idea what I did wrong, because there are no options to alter voltages such as QPI/VTT in this BIOS. So i'm pretty sure I didn't fry anything.
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post #26 of 34
Thread Starter 
Quote:
Originally Posted by Outcasst View Post
Barely. I can't go above 1.39v or else I just get random shut offs.
I don't really know about the new 1155 chips, but this doesn't seem to be my issue.
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post #27 of 34
Quote:
Originally Posted by kevingreenbmx View Post
1.425 vcore is pretty intense...

I have to agree with this. Combine this with running way over the 930 IMC spec and it starts to make a little more sense. The symptoms sound like overvoltage and a bit of an injured CPU.

I'd say RMA the CPU if the OP can and play it like a n00b.

-TG
Edited by Tleilaxu Ghola - 1/27/11 at 12:33pm
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post #28 of 34
Thread Starter 
So what about 950s? What memory frequency can they safely run?
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post #29 of 34
All the 1366 chips have the same limits on the IMC. It really comes down to luck trying to find a chip that will run ram at high speeds without ridiculous voltage.
post #30 of 34
Quote:
Originally Posted by shapiror06 View Post
With proper cooling these voltages are perfectly fine. And with ram running at 2000MHz a QPI voltage towards 1.6v is normal too. I was unsure about this at first too, but G.Skill technicians assured me it was perfectly safe.
I don't see how you could argue this point with the reason for this thread??
    
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