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  Topic Review (Newest First)
12-15-2019 03:08 AM
Wirerat
Quote: Originally Posted by kamyk155 View Post
Guys - is the Vcore/VCCSA/SysAgent all three in 1,28V safe ?
Someone wrote here that SA/VCCIO should be 0,05V difference ?

Testing now 1,260V on all three settings.
Cpu drops to 1,248V. IO drops to 1,243V.
Three tests passed without errors.
I have always ran vccio and sa at the same voltage. 1.225 is what both mine are with 3800mhz CL 15 ram.

The general idea is xmp/mce puts those voltages too high. 1.35v is way too high.

1.25v ish is fine. Some are running below 1.2v.

I never even bothered to work it down. 1.225v has worked so I left it for all my profiles on both rigs.
12-15-2019 01:28 AM
kamyk155 Guys - is the Vcore/VCCSA/SysAgent all three in 1,28V safe ?
Someone wrote here that SA/VCCIO should be 0,05V difference ?

Testing now 1,260V on all three settings.
Cpu drops to 1,248V. IO drops to 1,243V.
Three tests passed without errors.
12-14-2019 08:23 PM
AndrejB
Quote: Originally Posted by reachthesky View Post
And was that starcraft or starcraft 2 in the background? lol
Nah just a space wallpaper 🙂

Regarding the memory tuning, that'll have to wait sometime as I nothing about it.

Still trying to figure out how much io/sa affect gpu oc...
12-14-2019 07:37 PM
reachthesky And was that starcraft or starcraft 2 in the background? lol
12-14-2019 07:11 PM
reachthesky
Quote: Originally Posted by AndrejB View Post
Didn't need 1.4v to boot into windows. This is XMP + 4200
Also put the 4133 @ 1.4v (enhanced performance)



Now you got my itch going again
Thank you for posting this! Those are the same timings I get as well. I challenge you to manually tune and stabilize 4200 on all 4 dimms at less than cl 18 whenever you have the free time if you should desire to do so. Scratch that itch .

Btw, I don't think enhanced performance does anything at all. Each time, The same timings were trained for my sticks regardless of selecting that option or not. or at least all the timings that can be viewed between asrock timing configurator and aida64. I think there was a weird time where I thought that setting it to enhanced performance helped me train better but i don't think that is the case.

The relax timings has an effect but it just makes ALL of your timings ultra loose, sometimes too loose to the point where you can't even navigate windows properly lol. I don't see why anyone would ever use this. Maybe during LN2 memory overclocking just so they could validate a memory frequency real quick through cpu-z?

I think the high density option is for 16gb ram sticks or dual ranked sticks or double sided ram sticks or whatever.

4500+ option is self explanatory and does work. Used it to boot to 4500 or 4533.

Not really sure what "normal" does, maybe it automatically selects the least aggressive xmp profile on the stick if a set of sticks have 2 xmp profiles on them or something, what be interested to hear what others have to say about this option.

I don't know what selecting auto does either lol, but I usually leave it on auto
12-14-2019 07:05 PM
AndrejB
Quote: Originally Posted by reachthesky View Post
btw, on the aorus master with a 9900k, you can do CL 16-16-16-36(or 34)-372-65534-2T @4133mhz with 1.45v vdimm/training voltage or less and with 1.25v sa/io or less with that kit as long as your IMC is decent and as long as you have enough case airflow for the dimms.


Please do me a favor since you have the same kit. Please try to train 4200mhz with those dimms using auto motherboard timings. What timings does it give you? You should be able to train it with dram voltage on auto and sa/io 1.25v but once it trains, go back into bios right away and raise the dram/training voltage to 1.4v or 1.43v to get into windows. Then please screenshot the timings in asrock timing configurator and post here. Let me know if you need asrock timing configurator.

Didn't need 1.4v to boot into windows. This is XMP + 4200
Also put the 4133 @ 1.4v (enhanced performance)



Now you got my itch going again
12-14-2019 06:22 PM
reachthesky
Quote: Originally Posted by AndrejB View Post
Nw, hopefully you'll yield better results with the memory but note Kedarwolf had all his timings set (he spent quite a bit of time on the 24/7 stability thread)

Honestly I'm pretty happy with these, Apex finally isn't crashing at max pl + oc scanner (I knew it wasn't the card giving errors)
btw, on the aorus master with a 9900k, you can do CL 16-16-16-36(or 34)-372-65534-2T @4133mhz with 1.45v vdimm/training voltage or less and with 1.25v sa/io or less with that kit as long as your IMC is decent and as long as you have enough case airflow for the dimms.


Please do me a favor since you have the same kit. Please try to train 4200mhz with those dimms using auto motherboard timings. What timings does it give you? You should be able to train it with dram voltage on auto and sa/io 1.25v but once it trains, go back into bios right away and raise the dram/training voltage to 1.4v or 1.43v to get into windows. Then please screenshot the timings in asrock timing configurator and post here. Let me know if you need asrock timing configurator.
12-14-2019 06:02 PM
AndrejB
Quote: Originally Posted by reachthesky View Post
Quote: Originally Posted by AndrejB View Post
These are more or less stock settings, but running a constant frequency.
Don't like my voltage jumping all over the place.
If I go by Falkentynes recommendation of ac/dc 100/160 I get an unequal residual every once in a while, these settings provide equal residuals after 16+ h powered off.

Regarding the memory, this seems to be completely stable, I copied how Kedarwolf did it (same kit as yours)
Fair enough.

I'll have to try out kedarwolf's method, I never tried that before. I wonder if it will yield better latency or if RTLs will train better or w/e. Right now i'm getting 38.x ns latency at cl15/4000, i don't know if that is where it should be or not.

Yeah I guess I can't really offer much advice on your set up, just kind of out of my realm of knowledge, sorry mate.
Nw, hopefully you'll yield better results with the memory but note Kedarwolf had all his timings set (he spent quite a bit of time on the 24/7 stability thread)

Honestly I'm pretty happy with these, Apex finally isn't crashing at max pl + oc scanner (I knew it wasn't the card giving errors)
12-14-2019 05:54 PM
reachthesky
Quote: Originally Posted by AndrejB View Post
These are more or less stock settings, but running a constant frequency.
Don't like my voltage jumping all over the place.
If I go by Falkentynes recommendation of ac/dc 100/160 I get an unequal residual every once in a while, these settings provide equal residuals after 16+ h powered off.

Regarding the memory, this seems to be completely stable, I copied how Kedarwolf did it (same kit as yours)
Fair enough.

I'll have to try out kedarwolf's method, I never tried that before. I wonder if it will yield better latency or if RTLs will train better or w/e. Right now i'm getting 38.x ns latency at cl15/4000, i don't know if that is where it should be or not.

Yeah I guess I can't really offer much advice on your set up, just kind of out of my realm of knowledge, sorry mate.
12-14-2019 05:49 PM
AndrejB
Quote: Originally Posted by reachthesky View Post

I was always under the impression we were supposed to boot with xmp profile, then modify the timings/frequency of the xmp profile after xmp has already been trained. Have I been doing this wrong?

still looking at your settings before I can give you a definitive opinion.

Ok, after looking at the settings, I can't really say whether it is optimal or not, I don't tune with anything other than dvid mode or the basic set it and forget it fixed voltage mode. I'm not too great at balancing the higher acdc settings. Am curious about the ram thing I mentioned earlier.

I am curious though, Why not just run stock if you were going to run 47x? You'll get more performance in other areas while still having your 47x all core multiplier.
These are more or less stock settings, but running a constant frequency.
Don't like my voltage jumping all over the place.
If I go by Falkentynes recommendation of ac/dc 100/160 I get an unequal residual every once in a while, these settings provide equal residuals after 16+ h powered off.

Regarding the memory, this seems to be completely stable, I copied how Kedarwolf did it (same kit as yours)
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