Memory frequency queries
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=5506
Printed Date: 09 Jan 2025 at 10:55pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Memory frequency queries
Posted By: XViper
Subject: Memory frequency queries
Date Posted: 04 Jul 2017 at 12:30pm
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Hey all, I'm a newbie here. Literally just signed up in order to try to get some assistance. I have read a number of the sticky/pinned posts, which have certainly enlightened me somewhat. It's been a number of years since I've built myself a new PC, and I don't remember ever having to worry about this level of memory compatibility in the past. So despite my best efforts, I'm still somewhat unsure of where I stand, and what options I have. My current relevant Hardware is: CPU: Ryzen 5 1600 MB: Fatal1ty X370 Gaming K4 http://www.asrock.com/MB/AMD/Fatal1ty%20X370%20Gaming%20K4/ RAM: G.Skill RipJaws 4 - 2400mhz 4 x 8gb (f4-2400c15q-32grb) https://www.gskill.com/en/product/f4-2400c15q-32grb I've updated my BIOS to AGESA 1.0.0.6 (v2.50) and ensured XMP is enabled. Here is my current CPU-Z info  Edit: I just realised this screenshot was taken pre-BIOS update. However from memory, the information is still the same. It didn't seem to make a difference. (However, I'll replace the image with a updated one when I get home). Do I have any chance to be able to get this memory to effectively run at 2400mhz?
Or am I doomed to be stuck at this frequency? I also have the option of potentially swapping out my memory with a friend who has Kingston HyperX Fury (4 x 8gb - 2666mhz). (HX426C15FBK4/32) https://www.kingston.com/dataSheets/HX426C15FBK4_32.pdf Would this work at 2666mhz? Thank you for your time and assistance. - XViper |
Replies:
Posted By: wardog
Date Posted: 04 Jul 2017 at 12:48pm
" rel="nofollow -
It IS running at 2400MHz now. DDR runs D ual D ata R ate So your 1197.6 x 2 = ~2400 |
XViper wrote:Posted By: wardog
Date Posted: 04 Jul 2017 at 12:55pm
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Bump for you editing while I was posting the answer. |
Posted By: XViper
Date Posted: 04 Jul 2017 at 1:00pm
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Hi Wardog, Thanks for confirming. It must have been all the posts saying 4 DIMM's would be restricted to 2133mhz and then the 2132mhz and 1066mhz numbers in CPU-Z throwing me off. Now I feel like a real idiot. haha  
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Posted By: wardog
Date Posted: 04 Jul 2017 at 1:06pm
Things have changed over the years, that's for sure. I'm 57 and if I hadn't been involved for some years that would have me asking that  Can they be run at 2666? Most likely. |
Posted By: wardog
Date Posted: 04 Jul 2017 at 1:24pm
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I needed to do some spec browsing on that G.Skill Kit you have Try: Leave XMP Enabled Select 2666 from the pull down menu Change timings to 16-15-15-15-36 and try a CR/T of 1, if not force 2T procODT to 53.3 (in the timings set menu) 1.1v SoC Voltage 1.25 vDimm 0.65 or even 0.675 VTT_DDR Post back how those go ......... |
Posted By: wardog
Date Posted: 04 Jul 2017 at 1:47pm
If 16-15-15-15-36 fails try 16-16-16-16-36/37/38, all with the rest of the above set as I spoke. These timings and voltage maybe can after benching be lowered/tightened for optimal. |
Posted By: XViper
Date Posted: 04 Jul 2017 at 1:56pm
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Thanks for going the extra mile Wardog. Really appreciate it. :) I'm probably content with running these at the 2400mhz for now though. If I decide to Overclock my CPU, I'll probably do the RAM then as well. But for now, I'm happy to just see how it goes :) I've only just built the thing, so haven't even gotten to test it properly yet :P |
Posted By: wardog
Date Posted: 04 Jul 2017 at 2:07pm
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Take your time and learn as time permits. These new processors are far more cantankerous than those of years past. Hint: Ryzen is very voltage temperamental. Keep that in mind. Like a prissy lil' Goldilocks, not too high and not too low. |