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Memtest86 help!

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March 26, 2012 4:17:40 PM

Hi all. Just built a new PC last night. Installed all mobo/video/sound drivers, etc. Ran Windows Update. Fooled around in SW:TOR for a bit to monitor CPU/GPU temps. Double-checked RAM speed in bios and it was underclocked to 1333Mhz, so I changed it to 1600MHz. Created a bootable Memtest86 disc today, restarted, ran it, end of first pass I get "RAH!RAH!RAH!" across both sides of the screen- http://tinypic.com/r/1o0v36/5

I've run Memtest86 times before and have never seen this. Can't find any information on the interwebz either. Any help would be greatly appreciated.

More about : memtest86

March 26, 2012 4:25:27 PM

I am not sure but to me this looks like an evil laugh.
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March 26, 2012 4:26:35 PM

It looks like pain and suffering to me :(  I don't want to have to return anything haha.
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a c 347 } Memory
March 26, 2012 4:33:33 PM

I've never seen that error before "RAH!" so it seems like a bug in Memtest; errors - http://www.memtest86.com/tech.html

I assume you're using the latest version v4.20 - http://www.memtest.org/

I'd re-burn using the ISO/zip and create a new bootable CD/DVD and test again.

Q - What MOBO? (I assume it's a P67 or Z68)
Q - What RAM?

I noted the i5-2400 which really isn't intended to use >DDR3-1333.
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March 26, 2012 4:42:07 PM

I was using the 4.0a version from - http://www.memtest86.com/

I will try creating another bootable with the new version.

I'm using the Asus P8Z68-V/GEN3 running Corsair Vengeance 8GB (2 x 4GB) DDR3 DDR3 1600MHz.

No clue that the 2400 didn't support over 1333. Seems unreal. Should I changed the speed back to 1333MHz in the bios before running memtest again?

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a c 347 } Memory
March 26, 2012 4:48:44 PM

I didn't say the i5-2400 couldn't RUN @ DDR3-1600, I said it wasn't indented intended (fringing auto-correct) to run at higher frequencies. P67's and Z68's are also really intended for SB (K) CPUs and OC'ing, it by no means you cannot run a non-K SB CPU.

Might want to re-read EXACTLY what I said.
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March 26, 2012 4:58:03 PM

I want to run into as few problems as possible, and have any kinks worked out before my return policy expires from the store (2 weeks) so that I don't have to RMA anything. In my best interests, should I return the memory and swap out for 1333Mhz, keep the same memory and run at 1333Mhz in bios, or keep the same memory and run at 1600Mhz in bios. Only reason I am running memtest is to check for errors before my in-store warranty expires. Another mobo/cpu is really no option. I understood going into it that the mobo was better suited for overclocking, but they were out of all the other good quality mobos that would have fit me and my processor better.
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March 26, 2012 5:25:51 PM

Found a *.pdf listing compatible memory for core i5 processors and it has some 2133Mhz mem listed as compatible with the i5-2400. Why would that be compatible if the processor isn't "intended" to run at a higher frequency than 1333MHz? Not criticizing your advice, just trying to understand everything!
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a c 347 } Memory
March 26, 2012 5:30:26 PM

The very first thing I do is to run AIDA64 with all options for 48 hours straight before I install anything besides the OS. I am a hobbyist system builder so I want the components to fail ASAP -- that is if their going to fail, hopefully not. Next, Memtest overnight. Double ALL that for a Workstation.

As far as DDR3-1333 vs DDR3-1600 it depends upon the kit.

Q - What exact kit? ; please provide a link
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a c 347 } Memory
March 26, 2012 5:48:39 PM

bsullivan1983 said:
Found a *.pdf listing compatible memory for core i5 processors and it has some 2133Mhz mem listed as compatible with the i5-2400. Why would that be compatible if the processor isn't "intended" to run at a higher frequency than 1333MHz? Not criticizing your advice, just trying to understand everything!

You'd be out if your mind to add DDR3-2133 with YOUR non-K SB, anything >DDR3-1866 on either an i5/i7 LGA 1155 should be OC'ed and I clearly mean the CPU to reduce the disparity between CPU's IMC and ultra high RAM Frequencies.

There's a boat load difference between an i5-2500K and an i5-2400 to what's defined as QVL or otherwise listed.

Performance DDR3-1333 vs DDR3-2133 - http://www.bit-tech.net/hardware/memory/2011/01/11/the-...
/note the Test Setup - P67 and i7-2600K
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a c 347 } Memory
March 26, 2012 5:52:59 PM


The CMZ8GX3M2A1600C9B is a 1.50v kit so you're fine.

AI Overclock Tuner -> XMP
eXtreme Memory Profile -> Profile1

Save & Exit = Yes

Minimum 4-passes Memtest (new version).
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March 26, 2012 5:56:41 PM

Awesome, thanks for the advice! I will let you know the results.
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March 26, 2012 5:56:49 PM

Best answer selected by bsullivan1983.
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a c 146 } Memory
March 26, 2012 6:45:31 PM

This topic has been closed by Nikorr
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