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  Topic Review (Newest First)
06-22-2019 04:31 PM
phazedreality81 hey man

i have a very similar combo to you for video production
i'm running a zenith extreme
1920x
and the same ram as you, and have all 8 slots populated

my voltages are as follows
Memory running at DOCP speeds
AB and CD channels are at 1.42v
DRAM soc voltage is at 1.1125
memory runs perfect

CPU is running all core boost to 3.85
CPU VCORE is at 1.26v.

this combo for me is stable, even on 6 hour encodes for 4k feature films on premiere.
05-16-2019 12:42 PM
MacMus
Quote: Originally Posted by Jedi Ryan View Post
I'm happy to report that I have been able to successfully render over 20 videos without any issues!

I ended up dropping my OC to 3.9 GHz and got the RAM running at 2933 MHz.

I'm AIDA64 Extreme stable and getting a CINEBENCH score of 3200, which I am very satisfied with. CINEBENCH Extreme score of 870 for those interested.

Thank you to everyone for their input to help me figure this out

The issue could be with voltage on cpu and your ram combined. You now know what is safe preset for your paltform, so save it somewhere and in spare time start tweaking around.

Remeber my lessons:
1. CPU high voltage make it more stable, it can make it unstable under load due to overheating.
2. Increasing voltage on RAM not always solves the issue, sometimes decresing Soc and Ram voltage is better
3. Use LLC instead of flat flax voltage increase. This can fix your 1 issue.
4. Modify the RAM timings and options instead of lowering the RAM Frequency.
03-30-2019 08:16 PM
Jedi Ryan
2 weeks in a row without any problems! *knocks on wood*

I'm happy to report that I have been able to successfully render over 20 videos without any issues!

I ended up dropping my OC to 3.9 GHz and got the RAM running at 2933 MHz.

I'm AIDA64 Extreme stable and getting a CINEBENCH score of 3200, which I am very satisfied with. CINEBENCH Extreme score of 870 for those interested.

Thank you to everyone for their input to help me figure this out
03-27-2019 12:47 AM
bmaxa He sais that 3200 is unstable and 1866 stable, I don't think that 1866 is 3733... in this case
03-26-2019 03:33 PM
MacMus Maybe you are taking what CPU-Z is reporting 1866 which should be multiplied x2 :O

You are giving effectively speed of 3732... this is too much for IMC. People barely get 3600 with slow timings ;-)

I would suggest to lower it down to 3200 (1600) and slowly up with testing AID64 memory stress test.

This is normal that all slots are getting worse timing.. 2800 wilth all 8 DIMMs I would start or even lower.
03-16-2019 07:53 PM
Jedi Ryan
Quote: Originally Posted by chrisjames61 View Post
1866? Do you mean 2666?
No, 1866 MHz. My Zenith Extreme MB allows me to set the RAM as low as 1066 MHz.
03-16-2019 07:32 PM
chrisjames61
Quote: Originally Posted by Jedi Ryan View Post
I went from 4 dimm's to 8 dimms.

I ended up dropping the CPU to 3.9ghz and the RAM to 1866mhz and now I'm stable in all stress tests. I was also able to successfully render 9 videos today without issue, so I guess now I just have to decide if the extra RAM is worth the sacrifice in memory speed. I may end up taking 32gbs out, putting the CPU back to 4.0ghz and the RAM back to 3200mhz, since it was stable and compare render times. I also want to compare the gaming performance of the two configurations and see what the results are.

I attribute my success thanks to the discovery of this chart: https://www.overclock.net/forum/atta...9&d=1518612831
1866? Do you mean 2666?
03-16-2019 07:08 PM
Jedi Ryan I went from 4 dimm's to 8 dimms.

I ended up dropping the CPU to 3.9ghz and the RAM to 1866mhz and now I'm stable in all stress tests. I was also able to successfully render 9 videos today without issue, so I guess now I just have to decide if the extra RAM is worth the sacrifice in memory speed. I may end up taking 32gbs out, putting the CPU back to 4.0ghz and the RAM back to 3200mhz, since it was stable and compare render times. I also want to compare the gaming performance of the two configurations and see what the results are.

I attribute my success thanks to the discovery of this chart: https://www.overclock.net/forum/atta...9&d=1518612831
03-16-2019 08:30 AM
AmaKatsu
Threadripper freezes during renders with Adobe Media Encoder

by upgrade 32 to 64GB, you mean 8 dimm or just 4 dimm with size upgraded?

if 8 dimm, I think that may cause a problem. TR run quad-channel 4 dimm without problem like Non-TR run dual-channel 2 dimm. But when you go with full dimm slot, that will be another tale for stable. You may need to stock speed CPU and reconfig RAM and test again

by Memtest5 may give accurate result, try 10 cycle or more. while GSAT press more heat.

I have passed 20 cycle for Memtest5 but almost instantly crashed in GSAT
have to lower some SoC or DRAM voltage

Finally HCI Memtest, for 64GB I think that may the long hours for test, 100% per hour

Sent from my iPhone using Tapatalk
03-16-2019 02:49 AM
VeritronX Ryzen has 0.25 multiplier increments, just drop the clocks by 25mhz at a time and see where it works? Maybe try lowering the ram speed a notch or two if 3.9ghz isn't low enough then once ram is low enough try upping the core again.
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