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Timing on RAM changed after overclock

post #1 of 11
Thread Starter 
I have G.Skill RAM that's supposed to be 8-8-8-21 but after upgrading a 245 Regor from 2.9GHz to 3.8GHz the timings dropped to 6-6-6-15. Is that Ok?
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post #2 of 11
thats because you used the fsb to overclock,and yes thats supposed to happen,as you speed up the fsb you decrease latency in all the components attached to the computer,i would run a stress test and check your ram is still stable at those timings,if not then set them to SPD specs and you will still enjoy the benefits of a faster system.
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post #3 of 11
Thread Starter 
Thanks for the fast response.
I'll run a stress test soon.
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post #4 of 11
Those timings are really low, I don't think you'll be stable at them. You should run something like LinX or IBT to stress both your ram and cpu. If you make it through that then you can error check with Memtest.

link to IBT: http://www.softpedia.com/get/System/...BurnTest.shtml
post #5 of 11
For referance my 1600MHz Ripjaws are rated at 7-8-7-24 2T @ 1.6v and I'm running them at 1333MHz 6-6-6-18 1T @ 1.5v and its very stable and abit faster
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post #6 of 11
Thread Starter 
I ran Intel Burn Test but I got a BSOD hat reads "Dumping Physical Memory"
I took pictures of my BIOS. I'll make a post once I get them uploaded.
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post #7 of 11
What frequency is your RAM running at? The higher the frequency the harder it is to run lower latencies.

And yes, it's 'perfectly' normal for timings to change when o/c'ing - on AMD systems anyway!

Managed to get my RAM to 1700mhz 9-9-9 from 1333mhz 9-9-9 with slight voltage bump
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post #8 of 11
Thread Starter 
My RAM is 1333MHz stock
Here's some pictures of my BIOS http://min.us/mveTFSA
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My System
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AMD Phenom II X4 955 GA-890FXA-UD5 NVIDIA GeForce GTX 560 Ti G.Skill 
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post #9 of 11
If your Northbridge is at 2120mhz as your bios states then you should try overclocking it to about 2600-2800mhz. This should help when overclocking RAM/FSB.

Also keep your HT-Link between 2000-2200 to help with stability.

If your still having trouble with your RAM then try boosting your frequency instead of trying to play with the timings.

EDIT: Oops - my mistake! Thought you were o/c'ing a Phenom x4 lol. Athlon systems may require something different.
Edited by lyster - 3/21/11 at 6:54am
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Silent Rig
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post #10 of 11
Just bump the memory clock to 5.33(1333).for a clock of 1412mhz with 265 fsb.set timing manually to spec.
It's only running at x4.(1066)
I presume you dropped it to oc by ref clock and just set it to low.

Gyro
Edited by Gyro - 3/21/11 at 7:01am
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