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What happens when an IMC goes bad?

post #1 of 37
Thread Starter 
I've been having memory issues for a long time now. It seems pretty common on x58, but nob of the common fixes have worked. It only shows 4 gigs out of 6 on a cold boot. This happens in the BIOS and in windows. I've swapped memory, tweaked settings, and just swapped the motherboard, but the problem remains.

Here's the weird part. The BIOS and windows only show 4 gigs, but cpu-z shows 6. A reboot fixes this every time, and it will only do it from a very cold boot.

Could this be the imc? I think I've exhausted all other options, but would like to avoid an rma. Kinda need my system.

If anyone has another suggestion, please he'll. I'm beyond desperation and frustration.

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post #2 of 37
What do you have your QPI/VTT voltage set to? Try bumping it up one or two steps.
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post #3 of 37
Thread Starter 
Quote:
Originally Posted by KorbenD View Post
What do you have your QPI/VTT voltage set to? Try bumping it up one or two steps.
Been there, done that. Again, it only happens on a cold boot.
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post #4 of 37
So by "swapped memory" i'm assuming that means you put 6GB of different memory in there?
    
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post #5 of 37
I dont understand how you still have this problem if you have swapped both the memory and the motherboard.
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post #6 of 37
Thread Starter 
Quote:
Originally Posted by youra6 View Post
I dont understand how you still have this problem if you have swapped both the memory and the motherboard.
This is what I mean. It's driving me crazy, and basically ruining any chance of happiness nowadays, lol. I'm ready to throw it in the river.

My friend has 6 gigs of dominators in his computer, so we switched our memory out. Mine still showed only 4 gigs after a cold boot with his memory, and his computer had no issue at all with mine. Motherboard has a memok button on it, and that is required to fix the issue on this one. Otherwise, after being shut down for a while, it'll only see 4 gigs in both the bios and windows. Funny thing is, CPU-Z will still see all 6, even when Windows and bios don't.
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post #7 of 37
faulty motherboard imo
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post #8 of 37
Internal Memory Controller

What's the max QPI volts you've fed your IMC in stress tests?
Maybe just windows is not seeing it... try starting up Linx and selecting a little more than 4ghz ram usage? If that works its just not reporting properly in windows.

Find someone with a 1366 CPU and try theirs see if problem goes away. OR if they don't want u to snag their cpu for 2 hours, rip yours out and take it to their house to try and replicate the issue. Find the working components first to rule out the bad.

ALSO: Try putting the memory in single channel by populating slot 1,2,3 instead of 1, 3, 6 and see if it displays 6gigs propely

Try updating the motherboard BIOS also

Try lowering the memory multiplier

Possible culprits given the situation:

1. mobo (u just replaced it so unlikely) this includes bad ram slot, ram phase power, BIOS douchebaggery
2. IMC on the CPU die
Or something OS related, pretty sure nothing else affects memory.

I have no idea what symptoms a bad IMC could cause however... wouldn't it BSOD instead of showing up 66% of total memory?
Edited by Scorpion667 - 6/12/11 at 11:53am
    
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post #9 of 37
Thread Starter 
Quote:
Originally Posted by Jaromir View Post
faulty motherboard imo
I just swapped motherboards, and still having the same problem.
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post #10 of 37
Thread Starter 
I think I'm just gonna return the new motherboard to newegg while I'm within the 30 days, RMA the cpu, sell it on here, and build a new system. Might try out an AMD, because I've never had problems like this before. Getting the itch to build something, anyway.
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