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post #1051 of 2792
Thanks!thumb.gif

Now back to reading.... nahh benching lol.

FF
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post #1052 of 2792
Either some of you are doing something fundamentally wrong or I've got a fairly good chip smile.gif


I've found BCLK clocking reduces PLL modulation, meaning you can drop the voltage quite heavily - this in turn helps to lower Vcore and get better frequencies.





4960@ 4.77 / 129 BCLK

Vcore @ 1.376

PLL @ 1.65v

VTT @ 1.1

VCCSA 1.2V
post #1053 of 2792
How much stress testing have you done on your chip Silent Scone? Also have you tried a higher bclk strap to see if it helps even more?

I sure hope I am doing it wrong and can get a better o/c. tongue.gif
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post #1054 of 2792
I've been running at 129bclk for over 2 months @ 1.4v. And over 3 weeks with changes to PLL reduction and vcore down to 1.376. All fine. Took me a few runs in benchmarks to figure out that VCCSA @ 1.85v was not cutting it so 1.2V is the sweet spot as so many will tell you.

But at those setting I'm 24/7 stable @ 4.77ghz. 4810Mhz with 130BCLK will net me a few lesser CPU intensive benchmarks but not 100% stable at those voltages. You'll find it will tap out at the same instances everytime where the reduced modulation isn't enough to stabilise the CPU. 4.8Ghz on 100 strap for me isn't possible, I've tried up to 1.485v and refuse to go higher.
Edited by Silent Scone - 3/20/14 at 6:26am
post #1055 of 2792
Sweet I look forward to more testing biggrin.gif
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post #1056 of 2792
Quote:
Originally Posted by Silent Scone View Post

Either some of you are doing something fundamentally wrong or I've got a fairly good chip smile.gif


I've found BCLK clocking reduces PLL modulation, meaning you can drop the voltage quite heavily - this in turn helps to lower Vcore and get better frequencies.





4960@ 4.77 / 129 BCLK

Vcore @ 1.376

PLL @ 1.65v

VTT @ 1.1

VCCSA 1.2V

Umm.. I need to try a higher BLK Strap! I'm currently @4.5 with +.05 off set / 1.36(1.344) Vcore under load.
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post #1057 of 2792
Quote:
Originally Posted by Silent Scone View Post

Either some of you are doing something fundamentally wrong or I've got a fairly good chip smile.gif
I've found BCLK clocking reduces PLL modulation, meaning you can drop the voltage quite heavily - this in turn helps to lower Vcore and get better frequencies.


4960@ 4.77 / 129 BCLK
Vcore @ 1.376
PLL @ 1.65v
VTT @ 1.1
VCCSA 1.2V

Batch A967? Mine does 4.8 at 1.376V, 1.15vsa, 1.05VTT (2133cl8 ram... likes 1.18vtt for 2400). strap 125... 4.875 @ 1.42V 2666 ram. Ivy likes strap/bclk. But, I do not use fixed vcore.
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post #1058 of 2792
Quote:
Originally Posted by Jpmboy View Post

Batch A967? Mine does 4.8 at 1.376V, 1.15vsa, 1.05VTT (2133cl8 ram... likes 1.18vtt for 2400). strap 125... 4.875 @ 1.42V 2666 ram. Ivy likes strap/bclk. But, I do not use fixed vcore.

Nice smile.gif. I'm unsure of batch number as I've never really paid attention but will find out when I'm home later. Offset voltage is something I've never really tampered with. For these voltages as-long as the temps are kept low degradation will be practically zilch. 4.875 is very impressive though. I can boot and have a tamper at up to 5Ghz but getting it stable above 4.8 has proven difficult
post #1059 of 2792
Quote:
Originally Posted by ep45-ds3l View Post

Umm.. I need to try a higher BLK Strap! I'm currently @4.5 with +.05 off set / 1.36(1.344) Vcore under load.

It depends on your GPU and other components but I'd say anything over 140bclk is too much for 24/7 use. Try up to 131 first, seems a sweet spot for some.
post #1060 of 2792
I tested 4 A967's, pretty good on the whole. 3 were 47-48 (one hit 6050mhz bench on LN2) and the other is x50 bench @1.4.

The 5.0 chip i can run up to 131.5 bclk which is on the limits, get a bugged cpu-z after every run on that bclk and need to wait a couple of minutes for it to go back to normal for screenies.
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