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i7 Crash

post #1 of 17
Thread Starter 
If you read my older threads/post then you can tell I'm having issues with my computer.

Recently I've been crashing (BSoD) and I just got a lock up (Keyboard and mouse went dead, screen froze).

I restarted and noticed my POST screen says I have 4GB available RAM when I have 6GB installed. Is one of the sticks dying?

Any other way to find out that it IS the ram and not the CPU's fault and is there a way to find out without testing each stick individually with memtest? Because memtest takes like 5-8hours to run and for each stick that's like 15-24hrs of non-stop testing.
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post #2 of 17
Did you change anything i know if you tighten down the heatsink to much ram can disapeer i had it happen putting my water block on.
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post #3 of 17
Have you stability tested? LinX or Prime95?

Some of the issues with missing memory with LGA 1366 and 1156 are:
  1. CPU heatsink is too tight. Loosening it a bit might help.
  2. Increase Vtt/QPI. Depending on what speed and timings your memory are set at, you may need more voltage to the IMC.
  3. Check for a dead DIMM slot. Use one good stick and test each slot (you might need to use two for slots 2 and 3).
post #4 of 17
Thread Starter 
I don't know, it just does it randomly. Sometimes my PC runs for 4-5 days without crashing then one day it just decided to give me BSoD.

How many runs of IBT or LinX do I need to run to be certain of stability?
..Kinda worried about the electricity bill because I do not pay for it..
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post #5 of 17
Why do you need to test each stick individually... that's just silly. Run memtest86+ with all the sticks in, if it gets an error you know memory is the culprit. From that point you can start testing individual sticks or messing with timings/voltage. Also I don't know what memtest you're talking about but it takes about an hour for me to do a full pass on 6gb...

Most people say around 20 passes of LinX on max memory is good, but I've had prime95 found errors when it passes LinX fine. 10 hours of blend test is the ultimate test, leave your comp on overnight. If it fails then you probably need more VTT or qpi/dram voltage (w/e your board calls it)
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post #6 of 17
Thread Starter 
So you're saying only 1 pass is necessary for memtest?
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post #7 of 17
Quote:
Originally Posted by Zensou View Post
So you're saying only 1 pass is necessary for memtest?
Yes. Just because your memory is stable doesn't make your system stable though. The IMC has to be given the proper voltage to run the memory, as well as the correct CPU voltage. So in short, memtest86+ for memory, a few hours of p95 small FFT for CPU stability, and 10 hours of p95 blend to make sure everything is playing nice together (CPU + IMC + memory).
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post #8 of 17
Quote:
Originally Posted by Dopamin3 View Post
Yes. Just because your memory is stable doesn't make your system stable though. The IMC has to be given the proper voltage to run the memory, as well as the correct CPU voltage. So in short, memtest86+ for memory, a few hours of p95 small FFT for CPU stability, and 10 hours of p95 blend to make sure everything is playing nice together (CPU + IMC + memory).
Not always true. I had a bad stick in a 4gb combo of Corsair ram that I bought for a secondary rig about 6 months ago. I didn't start getting errors until about the 5th or 6th pass on the second stick using memtest86+.

You won't always get errors on the first pass.
post #9 of 17
Thread Starter 

So I guess the RAM is stable. 7 passes should be good, right?

Now what?
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post #10 of 17
Are you able to get the error codes from the bsod? Specifically 101 or 124. They'll be mashed in at the beginning of a larger sequence of numbers that are, on average, not useful to most folks.

101 means you need more vcore.
124 means your QPI / VTT is not set properly and either needs to be increased or decreased.
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