NEW!!! DRAM Calculator for Ryzen™ 1.6.2 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench) - Page 481 - Overclock.net - An Overclocking Community

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NEW!!! DRAM Calculator for Ryzen™ 1.6.2 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench)

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post #4801 of 5872 (permalink) Old 07-18-2019, 02:55 PM
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Oh well, none of the new Zen2's run below 60*C zo we're temperature constrained all the time it seems.

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post #4802 of 5872 (permalink) Old 07-18-2019, 04:06 PM
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Oh man, this seems like it might be somewhat spicy. Looking forward to seeing your review along with the rest of those hidden opinions!

Quote: Originally Posted by 1usmus View Post
The product is very interesting, but I believe that internal testing failed. To be honest, I have no words ... and I try to refrain from commenting


__________________________________________________ __



There are a few rules that zen 2 users should know


1) FCLK should always be equal UCLK and MEMCLK , otherwise, domain synchronization reduces system performance.
2) VDDG <= SOC . Max limit 1.15 volts , which you may need.
3) procODT for all Zen 2 changed and the optimal range is as follows (for all motherboards) 28-40 Ohm. Settings from the previous generation of processors are not relevant (except for timings and voltage).
4) PB2 (+0 + 25 + 75 + 100 +200 mhz)not equal PBO. I advise you to use PB2, this algorithm does not depend on currents and thermal packets. The only limitation of this technology is processor temperature and FIT. Do not forget to turn off the PBO.
5) The optimal processor temperature for maximum boost is 60 degrees or less.
6) The maximum frequency of the memory controller (stable) in most cases is 1866-1900Mhz.


P.s. I have notified AMD of all existing problems, no need to worry.

P.p.s. Review. I have lost a lot of time due to thorough research of new products, but the review will already be published on all resources early next week.
Then I will engage in tight communication with the community (I hope the availability of processors will improve).

_______

BR, Yuri

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post #4803 of 5872 (permalink) Old 07-19-2019, 01:34 AM
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@1usmus firstly thanks for your work, I've been using the calc for ages, very useful. Regarding what you said about optimal procdt 20-40 in all mobos, it includes all chipsets? The only thing is bothering me is when 3466+ 1:1 sometimes after a reboot the system shuts down and comes back normally, or comes back without bios settings. I used to get this in ryzen1 when procdt was wrong. Using a Taichi x370.

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post #4804 of 5872 (permalink) Old 07-19-2019, 01:50 AM
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Quote: Originally Posted by 1usmus View Post
The product is very interesting, but I believe that internal testing failed. To be honest, I have no words ... and I try to refrain from commenting


__________________________________________________ __



There are a few rules that zen 2 users should know


1) FCLK should always be equal UCLK and MEMCLK , otherwise, domain synchronization reduces system performance.
2) VDDG <= SOC . Max limit 1.15 volts , which you may need.
3) procODT for all Zen 2 changed and the optimal range is as follows (for all motherboards) 28-40 Ohm. Settings from the previous generation of processors are not relevant (except for timings and voltage).
4) PB2 (+0 + 25 + 75 + 100 +200 mhz)not equal PBO. I advise you to use PB2, this algorithm does not depend on currents and thermal packets. The only limitation of this technology is processor temperature and FIT. Do not forget to turn off the PBO.
5) The optimal processor temperature for maximum boost is 60 degrees or less.
6) The maximum frequency of the memory controller (stable) in most cases is 1866-1900Mhz.


P.s. I have notified AMD of all existing problems, no need to worry.

P.p.s. Review. I have lost a lot of time due to thorough research of new products, but the review will already be published on all resources early next week.
Then I will engage in tight communication with the community (I hope the availability of processors will improve).

_______

BR, Yuri
Thanks for update ill try different than 53ohm see what happens Reverted all other resuistances to auto left t1 and geardown see how that goes. And 34.3 lets see

Last edited by lordzed83; 07-19-2019 at 01:56 AM.
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post #4805 of 5872 (permalink) Old 07-19-2019, 02:25 AM
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Would there be any difference between a T-top vs daisy chain for subtimings or is it mostly max frequency that is affected? If all other parameters where equal of course

Just considering if x570 Taichi is a bad choice when I want 2x16GB sticks and don't want to upgrade to 4x16 later and I wont go above 1:1 so 3800Mhz anyway
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post #4806 of 5872 (permalink) Old 07-19-2019, 07:49 AM
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Quote: Originally Posted by 1usmus View Post

There are a few rules that zen 2 users should know


1) FCLK should always be equal UCLK and MEMCLK , otherwise, domain synchronization reduces system performance.
2) VDDG <= SOC . Max limit 1.15 volts , which you may need.
3) procODT for all Zen 2 changed and the optimal range is as follows (for all motherboards) 28-40 Ohm. Settings from the previous generation of processors are not relevant (except for timings and voltage).
4) PB2 (+0 + 25 + 75 + 100 +200 mhz)not equal PBO. I advise you to use PB2, this algorithm does not depend on currents and thermal packets. The only limitation of this technology is processor temperature and FIT. Do not forget to turn off the PBO.
5) The optimal processor temperature for maximum boost is 60 degrees or less.
6) The maximum frequency of the memory controller (stable) in most cases is 1866-1900Mhz.
_______

BR, Yuri
About vSoC & VDDG? is it max 1.150V safe for both or only VDDG or vSOC? unclear on your definition here which it applies for.
I gather VDDG was for the memory controller?

procODT I noticed I could run much lower values and boot this time around to previous gen 1 cpu I had. I figured it had changed somehow but I don't know which setting is most optimal for kits/combo's yet. You have any insight on what are good ranges to aim for? (4x8Gb E-die)
They are so different from previous it's quite a lot of testing to do if you aim blindly.

My gen 1 cpu liked best 43.6Ohm for this memory kit but it seems not apply any more on gen 3 Ryzen. Though allready having much easier with it. 53Ohm++ could not boot which wasn't the experience on older gen 1 and motherboards.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.45Ghz, 4266/1900 MEM/FCLK, 16.26.19.48.76.tRFC 650 1T 1.58V
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V (Micron E-die 16nm)
OLD: Biostar x470GT8 Ryzen 7 1700 @ ~4.0Ghz CPU, 3200Mhz RAM ...
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post #4807 of 5872 (permalink) Old 07-19-2019, 08:24 AM
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Quote: Originally Posted by 1usmus View Post
3) procODT for all Zen 2 changed and the optimal range is as follows (for all motherboards) 28-40 Ohm. Settings from the previous generation of processors are not relevant (except for timings and voltage).
I haven't really tried to do anthing with ProcODT, and I've still been able to boot 3866 (though I only managed to stabilize at 3733 before I realized tRAS on my B-dies needs to be a bit higher than 2x tCL at higher timings)
What is ProcODT supposed to do regarding memory clocks exactly?

Quote: Originally Posted by Nighthog View Post
About vSoC & VDDG? is it max 1.150V safe for both or only VDDG or vSOC? unclear on your definition here which it applies for.
I gather VDDG was for the memory controller?
Considering VDDG is a voltage derived from VSOC, it literally doesn't matter if you set it higher than 1.15V, it'll at maximum be VSOC minus 40 mV or something similar.

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post #4808 of 5872 (permalink) Old 07-19-2019, 10:10 AM
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Quote: Originally Posted by Arni90 View Post
I haven't really tried to do anthing with ProcODT, and I've still been able to boot 3866 (though I only managed to stabilize at 3733 before I realized tRAS on my B-dies needs to be a bit higher than 2x tCL at higher timings)
What is ProcODT supposed to do regarding memory clocks exactly?

procODT is/was significant on gen 1 as having the right value had lots of importance on memory stability and very critical if you wanted higher memory speeds. You must at all times set it manually for better possibility of success.
The difference was running between stock XMP 3466 -> 3600mhz and all the way to 3733-3800+ to be able to boot and then finding stable setting up there in tweaker hell where in the end you must find the MAGIC combo that only works in 1 possible combination no other.

Put simply, having it correct allows you the best possibility to run the highest speed you memory kit can do. But motherboard/CPU had a lot to do with which values you could in the end use.

Gigabyte X570 AORUS XTREME, Ryzen 7 3800X 4.45Ghz, 4266/1900 MEM/FCLK, 16.26.19.48.76.tRFC 650 1T 1.58V
4x8Gb Kingston HX434C19FB2K2/16 3466C19 1.2V (Micron E-die 16nm)
OLD: Biostar x470GT8 Ryzen 7 1700 @ ~4.0Ghz CPU, 3200Mhz RAM ...
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post #4809 of 5872 (permalink) Old 07-19-2019, 03:17 PM
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Can any of u guys test RAM scaling in games with ryzen 3000? 2133 vs 3200 XMP vs 3600 cl14-16 or whatever you can get????
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post #4810 of 5872 (permalink) Old 07-19-2019, 07:46 PM
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Can run Ram @CL16 4200Mhz but there is no point really,these setting are great.
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