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X370 Killer SLI : Ram do not exceed 2400 Mhz

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=4807
Printed Date: 13 Jan 2025 at 11:53pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: X370 Killer SLI : Ram do not exceed 2400 Mhz
Posted By: Heuvanek
Subject: X370 Killer SLI : Ram do not exceed 2400 Mhz
Date Posted: 10 Apr 2017 at 12:34am
" rel="nofollow - Hi, first of all, sorry if there is some mistakes, i am not native english.

I recently bought a X370 Killer sli with a 1700X and 16 GB DDR4 Gskill Ripjaws 5 3000 Mhz.

(memory exact reference is :

F4-3000C15D-16GVGB)


But, impossible to make it work at more than 2400 Mhz, even when disabling cool n quiet mode (2133Mhz whithout that).

So first of all i would like to know if there is somes tweaks to know in order to well overclock this ram ?

And, i saw that some people arrive to get 2933 Mhz, so i think this is maybe an incompatibility ram. I have the opportunity to send my RAM back during somes days, so do you have a at least (if you have more say it too) 2933Mhz certified memory ? (not the only one certified in asrock recommendation, it's alwais "Ripjaws 4")


Thanks you for your help and your answer.

Obvioulsy my bios is updated to the latest 2.0 bios.

This is important to me, cause the Ram frequency have enough huge effect on général performances.




Replies:
Posted By: wardog
Date Posted: 10 Apr 2017 at 1:07am
Set your timings manually, not via XMP, and post back the results

Also, if you have moved your mem sticks around on the board w/o resetting the BIOS each and every time, do so now.

Memory should be in A2 and B2 mem slots.


Posted By: Heuvanek
Date Posted: 10 Apr 2017 at 1:24am
" rel="nofollow - Hi,

Thanks you for this tweaks, but infotunately i already know them all

i dont use XMP profile cause not working at all ^^

I move the timing manually to get 2400Mhz already, and even when upgrading them by 10, i never get 2666 Mhz.

My memory are in A2 and B2 slots.

I try to move the memory some times, and I was always jumping the clrCmos jumper.

however, by searching in this forum i found somes links giving me sure ram compatibility :

 http://rymem.vraith.com/specific/33

what do you think about this website ? it is sure or maybe some bullsh*t inthere ?


Posted By: GenesisDoes
Date Posted: 10 Apr 2017 at 2:16am
I have the same issue with G.SKILL TridentZ Series 32GB (2 x 16GB) F4-3200C16D-32GTZKW. Both sticks are in A2 and B2, I manually set timings to slower than the rated times (18-18-18-38 to 20-20-20-40). I change voltage from 1.35v to 1.40v and no matter what, it won't POST past 2400. I am using Bios 2.0.< ="chrome-extension://hhojmcideegachlhfgfdhailpfhgknjm/web_accessible_resources/index.js">


Posted By: Denroth
Date Posted: 10 Apr 2017 at 5:12am
try with 16-18-18-36 1.35vdram 1.1Vsoc.

if not working, try with 2933mhz 16-15-15-36 1.35vdram



@Heuvanek if you have hynix memories can not go beyond 2400MHz now


Posted By: GenesisDoes
Date Posted: 10 Apr 2017 at 5:33am
Originally posted by Denroth Denroth wrote:

try with 16-18-18-36 1.35vdram 1.1Vsoc.

if not working, try with 2933mhz 16-15-15-36 1.35vdram



@Heuvanek if you have hynix memories can not go beyond 2400MHz now
< ="chrome-extension://hhojmcideegachlhfgfdhailpfhgknjm/web_accessible_resources/index.js">

Now, I wished I spent a little more to get Samsung B-dies. Hopefully, they fix Hynix in future Bios updates.


Posted By: wardog
Date Posted: 10 Apr 2017 at 7:37am
Go to the below site and grab the Trial of Thaiphoon Burner.

"Install" it and post the screenshots please.


http://www.softnology.biz/" rel="nofollow - http://www.softnology.biz/


Posted By: parsec
Date Posted: 10 Apr 2017 at 11:32am
Originally posted by GenesisDoes GenesisDoes wrote:

I have the same issue with G.SKILL TridentZ Series 32GB (2 x 16GB) F4-3200C16D-32GTZKW. Both sticks are in A2 and B2, I manually set timings to slower than the rated times (18-18-18-38 to 20-20-20-40). I change voltage from 1.35v to 1.40v and no matter what, it won't POST past 2400. I am using Bios 2.0.< ="chrome-extension://hhojmcideegachlhfgfdhailpfhgknjm/web_accessible_resources/index.js">


Your memory is not in G.SKILL's QVL list for any Ryzen chipset boards:

http://www.gskill.com/en/product/f4-3200c14d-32gtzkw" rel="nofollow - http://www.gskill.com/en/product/f4-3200c14d-32gtzkw

Believe it or not, the Ryzen memory controller seems to prefer tighter memory timings.

My G.SKILL FlareX 16GB at 2933 is at 14 14 14 34, 1.35V, and did not work at that speed until I manually set those timings. Do not bother using the XMP profile, it is designed for Intel processor memory controllers.

I cannot guarantee your memory will work at lower timing settings, but it is free to try. Be sure the AM4 Advance Boot Training option is set to Auto.


-------------
http://valid.x86.fr/48rujh" rel="nofollow">


Posted By: Heuvanek
Date Posted: 10 Apr 2017 at 4:13pm
" rel="nofollow - i would like to buy flare X 3200 Mhz but reaally too expensive ^^

100 $ less than the 1700X... maybe they should stop to dream (or smoke weed everyday)...

I just buy a corsair kit to try it too (some arrive to get 2933 with it) this one : http://rymem.vraith.com/detailed_ram/717" rel="nofollow - http://rymem.vraith.com/detailed_ram/717

i am installaling taiphoon

Unfortunately, it's indeed hynix memomy :

memory

EDIT : i take a lot of time to try all your timing solution, no one works XD



Posted By: Heuvanek
Date Posted: 10 Apr 2017 at 11:35pm
up


Posted By: wardog
Date Posted: 11 Apr 2017 at 12:50am
The bottom line of your Thaiphoon screenie(1502 MHz), set what timing you can in the BIOS manually, don't forget to change the DRAM voltage to match what these sticks are supposed to run at 3000, and retry.


Posted By: Heuvanek
Date Posted: 11 Apr 2017 at 3:01am
i will try it again wardog ^^



Posted By: GenesisDoes
Date Posted: 11 Apr 2017 at 3:19am
Originally posted by parsec parsec wrote:

Originally posted by GenesisDoes GenesisDoes wrote:

I have the same issue with G.SKILL TridentZ Series 32GB (2 x 16GB) F4-3200C16D-32GTZKW. Both sticks are in A2 and B2, I manually set timings to slower than the rated times (18-18-18-38 to 20-20-20-40). I change voltage from 1.35v to 1.40v and no matter what, it won't POST past 2400. I am using Bios 2.0.< ="chrome-extension://hhojmcideegachlhfgfdhailpfhgknjm/web_accessible_resources/index.js">


Your memory is not in G.SKILL's QVL list for any Ryzen chipset boards:

http://www.gskill.com/en/product/f4-3200c14d-32gtzkw" rel="nofollow - http://www.gskill.com/en/product/f4-3200c14d-32gtzkw

Believe it or not, the Ryzen memory controller seems to prefer tighter memory timings.

My G.SKILL FlareX 16GB at 2933 is at 14 14 14 34, 1.35V, and did not work at that speed until I manually set those timings. Do not bother using the XMP profile, it is designed for Intel processor memory controllers.

I cannot guarantee your memory will work at lower timing settings, but it is free to try. Be sure the AM4 Advance Boot Training option is set to Auto.
< ="chrome-extension://hhojmcideegachlhfgfdhailpfhgknjm/web_accessible_resources/index.js">

Tighter memory timings didn't work and AM4 Advance Boot Training is at auto. Hopefully, Hynix die rams will work better with future BIOS updates.


Posted By: wardog
Date Posted: 11 Apr 2017 at 6:20am
Originally posted by GenesisDoes GenesisDoes wrote:

Hopefully, Hynix die rams will work better with future BIOS updates.


Don't bet on it.

I have scads of DDR4 here.

I spent all last night on into the morning working a Kit of G.Skill F4-3200C16D-16GTZB that are built using Hynix ICs. TridentZ kits are hand picked ICs. Samsung, Hynix, or whoever.

It's my own personal conclusion Hynix doesn't like running a Command Rate of 1 much above 2400. Either that or a combination of out of spec and a CR of 1.

I know memory like the back of my hand and no matter what I threw at those Hynix sticks over the course of 10 hrs I'll just say my results were the same as all the other Users here with Hynix ICs on their sticks.

Older, PRE-Ryezn Kits I have based on Samsung b and e die work like a champ.

BIOSes can't adjust for Hynix IC based sticks. Or so I believe. This is IMO a shortcoming of Hynix ICs I'm afraid to say.






Posted By: Heuvanek
Date Posted: 17 Apr 2017 at 4:53am
" rel="nofollow - Hi with the 2.10 bios update and my new corsair hynix memory (reference first page) i get 2933-16-17-17-34 @1,35 bootable but instable. (it's why i see that résult in the ryzram website)

else 2933-16-18-18-36 seems stable, it's a great improprement compare to the G.skill Hynix kit ? get before. (but maybe that with 2.10 they can do it too)

Actualy not to 1,35V, 1,38V seems better. will see in time, if not i will go down with 2666 Mhz.


Posted By: mekoi
Date Posted: 09 Sep 2017 at 2:22pm
" rel="nofollow - Were you able to clock to 2933mhz with the Ripjaws V (F4-3000C15D-16GVRB) with the 2.10 BIOS update? please let me know so I could return these sticks


Posted By: Babbalabooie
Date Posted: 05 Oct 2017 at 3:16am
" rel="nofollow - [URL=][/URL]
Originally posted by mekoi mekoi wrote:

Were you able to clock to 2933mhz with the Ripjaws V (F4-3000C15D-16GVRB) with the 2.10 BIOS update? please let me know so I could return these sticks
I recently bought G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3000 Model F4-3000C15D-16GVKB to stick in my x370 fatal1ty gaming x and was having trouble getting past 2400mhz but just today I tried messing more with the timings and was able to get a stable 2933 with timings 16-16-16-16-36 at 1.35v. The bios version is currently 3.20. Hope this helps anyone.


Posted By: yetified
Date Posted: 16 Nov 2017 at 5:08am
Originally posted by Babbalabooie Babbalabooie wrote:

" rel="nofollow - [URL=][/URL]
Originally posted by mekoi mekoi wrote:

Were you able to clock to 2933mhz with the Ripjaws V (F4-3000C15D-16GVRB) with the 2.10 BIOS update? please let me know so I could return these sticks
I recently bought G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3000 Model F4-3000C15D-16GVKB to stick in my x370 fatal1ty gaming x and was having trouble getting past 2400mhz but just today I tried messing more with the timings and was able to get a stable 2933 with timings 16-16-16-16-36 at 1.35v. The bios version is currently 3.20. Hope this helps anyone.

Damn you are my hero! I just got Ripjaws V F4-3200-C16D and i couldnt get it higher then 2133,

Your setup works at 2933.

Btw if anybody else managed to get 3200 could they share their timings please? :)

Much appreciated


Posted By: Heuvanek
Date Posted: 13 May 2019 at 2:44pm

Hi guys, with 5.2 i am now locked @ 2800Mhz.

And now i cant anymore OC my MB, very good bios patch guys, very good :)


Posted By: wardog
Date Posted: 13 May 2019 at 2:55pm
Glad to read that. Thanks for the update and feedback.

Originally posted by Heuvanek Heuvanek wrote:


Hi guys, with 5.2 i am now locked @ 2800Mhz.

And now i cant anymore OC my MB, very good bios patch guys, very good :)




Posted By: Heuvanek
Date Posted: 13 May 2019 at 3:18pm
Originally posted by wardog wardog wrote:

Glad to read that. Thanks for the update and feedback.

Originally posted by Heuvanek Heuvanek wrote:


Hi guys, with 5.2 i am now locked @ 2800Mhz.

And now i cant anymore OC my MB, very good bios patch guys, very good :)




My bro, i know my english is not perfect but... I really was ironic... Before 5.3 i was able to have 2933Mhz, and i was able to OC my CPU on that MB XD



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