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i7-3820 failing Prime95 at Stock speeds. Is it the CPU, the Motherboard, the RAM, or something else? How do I figure it out? - Page 2

post #11 of 22
Thread Starter 
Quote:
Originally Posted by DirektEffekt View Post

The thing is, it doesn't seem that your board is faulty, if it passes with the same real voltage as A then I would say keep B and just go ny CPU-z volts!thumb.gif

But how can one board not be faulty when under the EXACT same settings, one passes and the other one fails?

The one that's failing has to be faulty one way or another. At the very least, in the auto-voltage regulation, no?

So...

1) Do I keep the board with a faulty temp sensor?

Or

2) Do I keep the board with a faulty auto-voltage regulator?

Or

3) Do I return both and get a 3rd one (and risk that one having some other fault)?


What do I do?

All opinions are welcomed. Thanks.
post #12 of 22
Quote:
Originally Posted by BuildBuildBuild View Post

But how can one board not be faulty when under the EXACT same settings, one passes and the other one fails?
The one that's failing has to be faulty one way or another. At the very least, in the auto-voltage regulation, no?
So...
1) Do I keep the board with a faulty temp sensor?
Or
2) Do I keep the board with a faulty auto-voltage regulator?
Or
3) Do I return both and get a 3rd one (and risk that one having some other fault)?
What do I do?
All opinions are welcomed. Thanks.

This is now up to you and what you consider faulty. Personally, myself, I wouldn't consider either of these as faulty, badly calibrated is not faulty and while the temp sensor is faulty I consider this an issue. So here is the question: what do you think you can live with?

Based on the fact that this thread is still going I have to assume these two issues do bother you, in which case get a new board, because you the faults will still be in the back of your mind!
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post #13 of 22
Just a FYI. CPUTIN seems to rarely work on Asus boards with X79. Do a google search on cputin not working and you will find a plethora of threads. It is generally recommended to ignore it if your other temp sensors are working. It doesn't work on my board neither and stays locked at 127 or 128* . I just ignore it as my cpu never hits over 62-65* during stress testing.
http://www.tomshardware.com/forum/327738-28-cputin-temp-128c

http://boardreader.com/thread/Rampage_IV_Extreme_X79_CPUTIN_127_c_and_10886gX5i0tvqbw1xi.html

http://www.overclock.net/t/1118901/cputin-at-127-5-degrees-celsius-but-core-clocks-around-35-degrees-celsius

http://www.overclock.net/t/1179611/cannot-run-occt-because-it-shows-my-cputin-temperature-at-127c-is-this-a-bug
post #14 of 22
Thread Starter 
Quote:
Originally Posted by Maximuscr31 View Post

Just a FYI. CPUTIN seems to rarely work on Asus boards with X79. Do a google search on cputin not working and you will find a plethora of threads. It is generally recommended to ignore it if your other temp sensors are working. It doesn't work on my board neither and stays locked at 127 or 128* . I just ignore it as my cpu never hits over 62-65* during stress testing.
http://www.tomshardware.com/forum/327738-28-cputin-temp-128c
http://boardreader.com/thread/Rampage_IV_Extreme_X79_CPUTIN_127_c_and_10886gX5i0tvqbw1xi.html
http://www.overclock.net/t/1118901/cputin-at-127-5-degrees-celsius-but-core-clocks-around-35-degrees-celsius
http://www.overclock.net/t/1179611/cannot-run-occt-because-it-shows-my-cputin-temperature-at-127c-is-this-a-bug

Interesting, thanks for that. So would you suggest keeping Motherboard A rather than getting a new Motherboard?
post #15 of 22
I would. I did. It seems to be hit or miss to get one with a working cputin. It is honestly not worth the hassel to have it.
post #16 of 22
Quote:
Originally Posted by BuildBuildBuild View Post

Anyone?

try to get a third mobo, if that is crap it smells like your supplier got a shipment sub par motherboards
 
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post #17 of 22
Have you tried running MEM Test again with the 2nd Mobo? I still say it seems like a bad stick of RAM is screwing you up.
 
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post #18 of 22
Thread Starter 
Quote:
Originally Posted by Maximuscr31 View Post

I would. I did. It seems to be hit or miss to get one with a working cputin. It is honestly not worth the hassel to have it.

Thanks, that's what I'm leaning towards at this point, although it's quite disappointing to hear that such a high-end and expensive Motherboard from a reputable brand has such a hit or miss problem. Honestly, something this expensive shouldn't have any problems.

Quote:
Originally Posted by oglommi View Post

Quote:
Originally Posted by BuildBuildBuild View Post

Anyone?

try to get a third mobo, if that is crap it smells like your supplier got a shipment sub par motherboards

I got them from Amazon in Europe since they had the best price. So you think a faulty CPUTIN sensor is worth exchanging the Motherboard for? How come?

Quote:
Originally Posted by Ramsey77 View Post

Have you tried running MEM Test again with the 2nd Mobo? I still say it seems like a bad stick of RAM is screwing you up.

The first Motherboard passed over 12 hours of MemTest when I first tested it, so I honestly don't think it's faulty RAM, but I'll leave it running MemTest overnight to be sure. If it's not the RAM, would you just keep the first Motherboard or get a new one?
post #19 of 22
Quote:
Originally Posted by BuildBuildBuild View Post


The first Motherboard passed over 12 hours of MemTest when I first tested it, so I honestly don't think it's faulty RAM, but I'll leave it running MemTest overnight to be sure. If it's not the RAM, would you just keep the first Motherboard or get a new one?

Something may have happened to a stick while transferring them from board to board. In any case, it's one thing to cross off of the list.
 
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post #20 of 22
I don't see any evidence of anything being faulty.
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  • i7-3820 failing Prime95 at Stock speeds. Is it the CPU, the Motherboard, the RAM, or something else? How do I figure it out?
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