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Phenom II X4 960T Overclocking - Page 2

post #11 of 17
Quote:
Originally Posted by boxman222 View Post

Idle temperatures have absolutely nothing to do with temperatures under load.
When I used stock cooler my idle temperatures was actually lower than using a 212 evo but yet under full load it was running much cooler.

i said based on my experience using a particular cooler - the 212. op's cooler might result to a much better outcome. But what i do suggest is keeping the cpu temp below 50.

i go by the cpu temp and not the core. unlocked the core temps can't be read anyways.
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post #12 of 17
Thread Starter 
To rdr09, I do have other video cards just kinda chilling, I have a GTX 480 in there now more to push old hardware.


Quote:
Originally Posted by The Sandman View Post

There's been no mention of which memory kit/setup your running (2x8GB or 4x4GB?). Can make a huge difference!
Current Dram setup, CPU/NB voltage and Dram voltage?

Freezing is usually a sign of a lack of Dram voltage (check first) than go for additional CPU/NB voltage. Many times it's a combination of the two.
Running all four dimms is almost a guaranteed increase to CPU/NB voltage.

It's not uncommon to need an additional .05v to .1v Dram voltage (above specs on the sticker on the Dram itself) on the AMD side as the factory "sticker" spec is rated for Intel.
As you raise the CPU freq this usually also goes up again after a point/s.

You mentioned that setup "was" rock stable before increasing Dram freq. How was stability tested, which test and how long? Prime95, IBT AVX?

The RAM setup is 4x 4GB Corsair DDR3 1600 Mhz 9-9-9-24, the default voltage for these are 1.5v, which is what everything is running at.

As far as stable, I consider stable to be, running various benchmarks (3DMark's mainly) and being able to play various games without any issues for hours on end. I usually also run Prime95 for about 4 hours if I really want to push it.



I plan to try to push the OC higher tonight/tomorrow, but this time I am thinking I will disable turbo at the very least. I don't think I would need to increase the voltage on the RAM itself since its not being overclocked. Now I have thought about increasing the voltage to the uncore (CPU-NB) which may help stabilize the memory controller if that is the issue.
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post #13 of 17
op, to give you an example, here are screenshots of my bios using one of my 4GHz settings (i have like 2 or 3 with different values) . . .







Just to give you an idea for a 4GHz setting. My rams (1600 MHz) use 1.65v as default. Take note of the vcore for the oc'ed CPU-NB. The Turbo is disabled along with C1E, which is not in the screenies.

Also take note of the LLCs (Load Line Calibration), which are enabled. My mobo is an Asus, so it should be similar to yours.
Edited by rdr09 - 6/10/16 at 3:52am
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post #14 of 17
Thread Starter 
Thanks everyone thus far for the help on this, really appreciate it.

Now to the update;

So I got the CPU past the previous limit of 3.6 to 3.7, to do so I did the following;

1) Disabled turbo mode
2) Increased voltage offset to +v0.10000
3) Increased CPU Load Line Calibration from Auto to Extreme

This made it stableish, it stopped blue screening and crashing, and it made it through all 3DMarks except for the latest 3DMark version, where it stops because "a unknown error as occured", also it looks like my Prime95 runs stop after about 20-25min because of a "rounding error".

So then I;

1) Increased voltage offset to +0.11250
2) Increased CPU/NB voltage offset to +0.01250
3) Increased CPU/NB Load Line Calibration from Auto to Extreme

Afterwards, I did not run 3DMark, I jumped straight to Prime95, which ran without issues for an hour, before I left it and went to sleep to let it run overnight. This morning however it stopped one of the worker threads because "a rounding error" has occurred.


I believe I am on the right track to resolving the Prime95 rounding errors, increasing voltages slowly?

Thoughts?
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post #15 of 17
Quote:
Originally Posted by Thedarklord View Post

Thanks everyone thus far for the help on this, really appreciate it.

Now to the update;

So I got the CPU past the previous limit of 3.6 to 3.7, to do so I did the following;

1) Disabled turbo mode
2) Increased voltage offset to +v0.10000
3) Increased CPU Load Line Calibration from Auto to Extreme

This made it stableish, it stopped blue screening and crashing, and it made it through all 3DMarks except for the latest 3DMark version, where it stops because "a unknown error as occured", also it looks like my Prime95 runs stop after about 20-25min because of a "rounding error".

So then I;

1) Increased voltage offset to +0.11250
2) Increased CPU/NB voltage offset to +0.01250
3) Increased CPU/NB Load Line Calibration from Auto to Extreme

Afterwards, I did not run 3DMark, I jumped straight to Prime95, which ran without issues for an hour, before I left it and went to sleep to let it run overnight. This morning however it stopped one of the worker threads because "a rounding error" has occurred.


I believe I am on the right track to resolving the Prime95 rounding errors, increasing voltages slowly?

Thoughts?

IMHO yes, you are on track. Small increases and retest.

Be sure to keep good written notes of any changes/increases made and include the time it took to failure.
You can use the failure time to help determine whether or not the latest changes made an improvement.

Over time you'll see patterns develop. Results increase to a point than start going backward meaning you may need another adjustment to a different area before you can proceed.

Extreme LLC setting (if it's like my CHV-Z highest setting) is usually for extreme cooling.
Most run "very high" (1 from top setting) to "high" for those that work better with a little Vdroop.

Which version of P95 are you running?
Version 27.9 works real well on the Phenom II.
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post #16 of 17
Thread Starter 
Quote:
Originally Posted by The Sandman View Post

IMHO yes, you are on track. Small increases and retest.

Be sure to keep good written notes of any changes/increases made and include the time it took to failure.
You can use the failure time to help determine whether or not the latest changes made an improvement.

Over time you'll see patterns develop. Results increase to a point than start going backward meaning you may need another adjustment to a different area before you can proceed.

Extreme LLC setting (if it's like my CHV-Z highest setting) is usually for extreme cooling.
Most run "very high" (1 from top setting) to "high" for those that work better with a little Vdroop.

Which version of P95 are you running?
Version 27.9 works real well on the Phenom II.

I am running Prime95 v27.9, I haven't upgraded my local server copy in a while, which I should probably do as well.

I will try dropping the LLC setting back to High, and see if its still stable there.

I think the issue that was holding back my overclock was that I was trying to keep turbo mode enabled, and no matter how much extra voltage offset I gave it, I couldn't get it stable. As soon as the CPU would try to turbo it would lock up.

I have it running at 3.7Ghz still with turbo disabled and CPU cool and quiet enabled, using CPU voltage offset for the overclocking (I really don't want to lose power saving features).

Next thing I want to do is upgrade P95 version, and up clock to 3.8Ghz.
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post #17 of 17
Quote:
Originally Posted by Thedarklord View Post

I will try dropping the LLC setting back to High, and see if its still stable there.

I think the issue that was holding back my overclock was that I was trying to keep turbo mode enabled, and no matter how much extra voltage offset I gave it, I couldn't get it stable. As soon as the CPU would try to turbo it would lock up.

I have it running at 3.7Ghz still with turbo disabled and CPU cool and quiet enabled, using CPU voltage offset for the overclocking (I really don't want to lose power saving features).

Next thing I want to do is upgrade P95 version, and up clock to 3.8Ghz.

You'll have to play a little with CPU LLC and CPU/NB LLC one at a time. I was thinking if Extreme is the highest setting try one setting lower.
If you lower LLC too much at one time you very well might have to just bump Vcore a bit. Shoot to keep Vcore fairly flat and/or just slightly higher than desired value when under load.

Turbo and OCing just don't play well together as you can see. Definitely should be disabled.
As for C&Q I run it on my setup at 5117GHz (during summer months) but only after I stabilize my OC.
When testing always disable all power saving features. Once you're stable than retest with C&Q enabled if you like.

As for upgrading P95 I'd stay with 27.9 for a Phenom II.
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