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RAM voltage too low? Comp. stuttering... then freeze.

post #1 of 10
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I have G.SKILL 4GB (2 x 2GB) DDR2 1066 (PC2 8500) RAM and aftermarket cooling so I figured I could, with minimal risk, overclock my Core 2 Duo E6750 2.66GHz. MoBo is ASUS P5N-E SLI LGA 775 NVIDIA nForce 650i SLI ATX.

Well I increased my CPU speed to 3.2GHz and bumped my RAM up a little. My G. Skill (2x 2GB) is 1066 but I don't believe my MoBo supports over 800 so I lowered the timings (as suggested on NewEgg reviews by G. Skill tech support)...

Here is a screen shot of my current CPU-Z settings -> http://k.min.us/icMloU.png


The problem is that every day and a half or so, usually when I'm playing video on one monitor and a game on another (or circumstances similar), the video/audio will just slow down quickly... the audio is the most noticeable... and stutter... just repeat stuttering... and be frozen... with the audio stuttering on repeat.

For some reason this strikes me as a RAM issue (something I've read maybe...). Is my voltage too low? Would that cause the freeze-ups? Does it have something to do with my FSB? NB? Timings?
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post #2 of 10
Have you used memtest86 yet?

Edit: It may also be a driver issue, have you updated them recently?
Edited by dinkledork - 5/31/11 at 2:08pm
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post #3 of 10
Your RAM (when running at DDR2-800) is supposed to be running at 5-5-5-15 with 1.8V. You're running 4-4-4-12 at an unknown voltage, which could be causing instability.
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by tehmaggot View Post
Your RAM (when running at DDR2-800) is supposed to be running at 5-5-5-15 with 1.8V. You're running 4-4-4-12 at an unknown voltage, which could be causing instability.
But is it bad to run at 4-4-4-12 with altered voltage? As I mentioned, G.Skill suggested (to someone else on Newegg reviews page) to run at these timings...
Quote:
Manufacturer Response:
.
Dear Customer

We apologize for the inconvenience. We are aware of the issue with Phenom II CPUs and this motherboard operating DDR2-1066. We have contact Gigabyte and they are working arduously on a solution. Once a a new BIOS revision is released, it should solve the problems. Meanwhile you could simply operate DDR2-800 with 4-4-4-12 timings and that should provide the same speeds or faster than DDR2-1066 5-5-5-15. If you need further assistance, please feel free to contact our technical support department.

Thank you
GSKILL SUPPORT
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post #5 of 10
Quote:
Originally Posted by allstar21369 View Post
But is it bad to run at 4-4-4-12 with altered voltage? As I mentioned, G.Skill suggested (to someone else on Newegg reviews page) to run at these timings...
It's not necessarily bad, but not all kits of memory will run the same clocks/timings with the same voltage. Check for stability using Memtest86 or Prime95.
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by tehmaggot View Post
It's not necessarily bad, but not all kits of memory will run the same clocks/timings with the same voltage. Check for stability using Memtest86 or Prime95.
Ran Memtest86+ for almost an hour, it was on test 2 and no errors...
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post #7 of 10
Video? You didn`t watch some flash vids on the web. Cause the hardware acceleration causes all kinds of wicked things - so it should be turned off!
I wouldn`t blame the RAM - if it is messed up the you should get a nice and clean BSOD.
But you could lower the timing and up the voltage a tad and play the game and vids that caused the problems to reproduce the "error". If this still happens although you modified the RAM then this is caused by something else.
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post #8 of 10
Thread Starter 
Quote:
Originally Posted by Mr.Eiht View Post
Video? You didn`t watch some flash vids on the web. Cause the hardware acceleration causes all kinds of wicked things - so it should be turned off!
I wouldn`t blame the RAM - if it is messed up the you should get a nice and clean BSOD.
But you could lower the timing and up the voltage a tad and play the game and vids that caused the problems to reproduce the "error". If this still happens although you modified the RAM then this is caused by something else.
I'm not sure if it was ever any web video, might have been once or so.

It was most likely an AVI video in Media Player Classic... and I have EVR (enhanced video renderer) enabled, as well as DXVA (at least I think I have DXVA enabled). I imagine these are what might have caused the issue since they use the GFX card to render video, and the GFX card is busy with the game. I also recall it almost always happening in game cutscenes...
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post #9 of 10
Last time I had an issue like this (exactly as you described btw) was when I had my q9550 in an nforce 680i sli motherboard. The motherboard didn't have support for the 45nm cpu, which caused error.

But your mobo has support for your cpu, so it's not a no support issue. But I still wonder if either your board or cpu have a problem? Do you have another board or cpu to test? I can also see that you've overclocked the cpu, which would only add to the problem.
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post #10 of 10
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Quote:
Originally Posted by stalker7d7 View Post
But I still wonder if either your board or cpu have a problem? Do you have another board or cpu to test? I can also see that you've overclocked the cpu, which would only add to the problem.
I don't know if I've mentioned this, but the issue didn't start occurring until I overclocked my CPU (a couple weeks ago) and had to mess with my voltages and RAM timings to get everything to boot.

I'll try to set back to factory settings and see if the problem persists (although I'm thinking it won't).
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my comp
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