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What happens when an IMC goes bad? - Page 2

post #11 of 37
Quote:
Originally Posted by Droogie View Post
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.
AMD will be a downgrade, just saying.
    
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post #12 of 37
Thread Starter 
Quote:
Originally Posted by Anthraxinsoup View Post
AMD will be a downgrade, just saying.
Heh, anything is an upgrade at this point. I can't overclock because of the memory problem. I've been fighting this for about a year. Plus, I can sell off the cpu and return the motherboard, and come out ahead. It's only for gaming, so not like I need the HT or anything.

Gonna go with a 990fx mobo and get a cheap 1055t or something. Just until BD comes out.
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post #13 of 37
Quote:
Originally Posted by Droogie View Post
Heh, anything is an upgrade at this point. I can't overclock because of the memory problem. I've been fighting this for about a year. Plus, I can sell off the cpu and return the motherboard, and come out ahead. It's only for gaming, so not like I need the HT or anything.

Gonna go with a 990fx mobo and get a cheap 1055t or something. Just until BD comes out.
A 1055t would still be beat by a 920 most likely.
    
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post #14 of 37
Thread Starter 
Quote:
Originally Posted by Anthraxinsoup View Post
A 1055t would still be beat by a 920 most likely.
Yeah, but nothing noticeable in games. Especially when I can't use the memory. I don't do benchmarks or anything. I just want my system to work.

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Edited by Droogie - 6/12/11 at 3:17pm
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post #15 of 37
Quote:
Originally Posted by Droogie View Post
Yeah, but nothing noticeable in games. Especially when I can't use the memory

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Well, 4 gigs isn't bad, it's not really a downgrade at all, seeing as AMD doesn't use triple channel.
    
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post #16 of 37
Thread Starter 
Quote:
Originally Posted by Anthraxinsoup View Post
Well, 4 gigs isn't bad, it's not really a downgrade at all, seeing as AMD doesn't use triple channel.
I meant that my current setup wont see all my memory. Its driving me nuts.

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post #17 of 37
I know you're been asked this before but what did you set your VTT/QPI Voltage to? At stock settings it should be pretty low but, as an example, if I run mine at 2000MHz with an overclock of 4GHz and upwards I need around 1.58v for stability. Even running the RAM at 1600MHz with a 4.2GHz overclock I need nearly 1.39v.

I assume you've already check the RAM with MemTest?
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post #18 of 37
Thread Starter 
Quote:
Originally Posted by Big Elf View Post
I know you're been asked this before but what did you set your VTT/QPI Voltage to? At stock settings it should be pretty low but, as an example, if I run mine at 2000MHz with an overclock of 4GHz and upwards I need around 1.58v for stability. Even running the RAM at 1600MHz with a 4.2GHz overclock I need nearly 1.39v.

I assume you've already check the RAM with MemTest?
Didn't bother with memtest. Same problem happened with my friend's memory in my system. Mine worked fine in his system.

I've already taken it apart and set up an rma for the CPU. Has to be the memory controller at this point. When it gets back, I'll be selling it. This seems to be a common issue on 1366, and I'm moving on to something else. I've been messing with it for 6 months.

I'm either gonna go SB, or get a 990fx board and a cheap quad as a placeholder for bulldozer.

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post #19 of 37
Intel Data Sheets list the "Absolute Maximum" for the QPI/VTT as 1.35v...


Have been following Droogie both here and over at evga, he has exhasuted all avenues, the only one I have seen is a cpu swap...

But based on the fact that he has swapped mobo's and Ram, as well as all types of bios voltage setting and ram timing etc, it has to be the IMC, or cpu in general..
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post #20 of 37
I raised a technical support request with Intel about VTT voltages after Asus and GSkill told me it was OK to run up to 1.6v. Intel basically said, the default is 1.15v, they don't test/support overclocking but that if Asus said it was OK then to use it.

If you go through the GSkill forums you'll find their tech support suggesting that users try 1.6v to run faster RAM, particularly at high speed. Corsair had a White Paper on it (which I can no longer find) that suggested 1.6v on the VTT/QPI (not DRAM voltage) for RAM at 1866MHz and over.
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