BIOS - X370 Killer SLI/ac Corsair CMK16GX4M2A2666C
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=8977
Printed Date: 19 Jul 2025 at 9:35am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: BIOS - X370 Killer SLI/ac Corsair CMK16GX4M2A2666C
Posted By: krj7709
Subject: BIOS - X370 Killer SLI/ac Corsair CMK16GX4M2A2666C
Date Posted: 19 Jun 2018 at 4:28pm
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" rel="nofollow - I built this Rig back in March '18. I was in a bit of a hurry when ordering the parts because of technical difficulties (MB or chip was thought to be dead - MB got grounded out during a routine radiator cleaning... My bad.) with my old Machine and the only backup system on hand was my Dual Xeon media server... Anyhow, this is what I ended up with.
Ever since I've put this together it seems to be a little buggy. At first I was thinking that it could be issues with the CORSAIR CX750M PSU. I swapped that out with the Cooler Master Masterwatt 650 that came free with my order. Still acting funny. So maybe the motherboard? The RAM? BIOS? BIOS Setting? I don't know but a lot of my research points to the RAM/BIOS settings. That's why I am here. Anyone here have a setup like mine that can help me get my box running smoothly? I will add some more details here in a bit.
------------- X370 Killer SLI/ac - Ryzen 7 1700 - Corsair Veng. LPX 2666 (2x8) - 4x 120GB SSD AMD RAID0 |
Replies:
Posted By: krj7709
Date Posted: 19 Jun 2018 at 6:58pm
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Okay. Here is some info that I think will help you help me :) At times I'll get these little hicups. Mouse lag etc. At one point if I plugged a usb storage stick in certain ports it was like the usb power drop off and my keyboard and mouse would lag bad. I eventually unloaded the driver and let Windows reinstall it. Seems to be okay for the most part but happens once in a while. Another annoying thing is the Memory getting retrained every other reboot. AM4 Adv. Training on? off? Looking to find how high of mhz the Ram will go but in the end i'm looking for low latency everyday use. What BIOS version is best with my CPU, RAM and MB? Can anyone with same HW share there settings for me to use as a baseline to try and get this tuned in? If there's someone out there with same Chip MB and RAM could you share your settings. I know even the same hardware is different but a different baseline to start from. Well if I missed something or you just need to know more you know what to do... ____________________________________________________________________ AMD Firmware Version https://imgur.com/qsgsKe2" rel="nofollow">  Memory settings according to Ryzen Timings Checker https://imgur.com/vWJ3ZbG" rel="nofollow">  Passmark Benchmark I just ran a few minutes ago.
https://imgur.com/ekwnELP" rel="nofollow">  https://imgur.com/5Aklez2" rel="nofollow">  https://imgur.com/q4tOISG" rel="nofollow">  The reason I'm here. How can I improve this? Seems a bit low? https://imgur.com/DeMTkR2" rel="nofollow">  ____________________________________________________________________ BIOS Settings / Questions (My questions and comments will come after the images. ) https://imgur.com/RcBtBsM" rel="nofollow">  ______________________________________________________________________ https://imgur.com/ZoteLKC" rel="nofollow">  ______________________________________________________________________ https://imgur.com/MWBp2Va" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/KTeA1ra" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/HN6NboY" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/o4uPJhd" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/TWD6LXo" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/kT2iQvB" rel="nofollow"> 
______________________________________________________________________ https://imgur.com/cHwxpjD" rel="nofollow"> 
------------- X370 Killer SLI/ac - Ryzen 7 1700 - Corsair Veng. LPX 2666 (2x8) - 4x 120GB SSD AMD RAID0 |
Posted By: datonyb
Date Posted: 20 Jun 2018 at 1:12am
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" rel="nofollow - i prefer the simple bios versions 3xxx for a first gen ryzen i also recommend using the ryzen dram calculator program written by 1usmus (google search) to work out ALL the dram timings and settings for you and dont mess with the clk gen................. p.s. am4 boot training to auto/on it helps try to get the ram running before spitting out its dummy and resetting it to stock p.p.s. @migrated drives@ ..did you do a fresh windows install ?, old versions will adapt but always seem to cause random headaches
------------- [url=https://valid.x86.fr/jpg250]  [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
Posted By: Cuba1hr
Date Posted: 20 Jun 2018 at 3:16am
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I hate when everybody recommends Ryzen DRAM Calclulator like it's holy grail. It doesn't do s*** for me. I can only run 3000MHz Corsair memory at 2133MHz on Taichi (ASRock c'mon, new BIOS, I beg) no matter what settings I use. Calculator doesn't help at all. Maybe you will have more luck with first gen Ryzen and 2x8GB Corsair at lower speeds, cannot find your chips manufacturer, I assume Hynix's. I was able to run 2666 in the beginning with Taichi. Stay with pre Ryzen 2xxx BIOS. ------------- ASRock Taichi X370 UEFI v4.81; AMD Ryzen R7 2700X; Noctua NH-U12S x2 fans; Corsair Vengenace LPX 3000 2x16GB (CMK16GX4M1B3000C15); EVGA GeForce GTX1070 FTW; Corsair RM750i PSU |
Posted By: datonyb
Date Posted: 20 Jun 2018 at 4:01am
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" rel="nofollow - i hate it when everyone who had non samsung b dies couldnt even get a stable system until 1usmus freely gave to world a program to help ,and it vastly has helped MOST people holy grail ? maybe not ,but a bloody god-send it is ! taichi for me was 3200 ram from launch with non qvl ram as well ------------- [url=https://valid.x86.fr/jpg250] [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
Posted By: gizmic
Date Posted: 20 Jun 2018 at 4:37pm
just wondering have you tried running your kit with amd cert kit specs i mean its worth a try even knowing you dont have b-dies CL14-14-14-34 CL15-15-15-35 CL15-15-15-39 CL16-16-16-39 i dont use ryzen dram calculator my system wont boot in any settings posted in them from 3333-3600. So i've just manually copy other kits default settings and go from there. ------------- 
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Cuba1hr wrote:Posted By: Cuba1hr
Date Posted: 20 Jun 2018 at 5:15pm
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" rel="nofollow - Well it seems low, mine are 15-17-17-35. I tried 14 (at lower speed, 2666 or 2800) and after that most of the time 16-18-18-38 and loose them from there on, in even numbers (when I was not using DRAM Calculator safe suggestion). I could try with 16-16-16-39, but isn't 16 in the middle a bit too low considering nominal timings for this RAM at 3000MHz? It works usually for 2-3 days until Memory Management BSOD. No problems currently at 2133 and UEFI defaults for RAM - 3rd day running. Also did MemTest at 2133 - memory is alright. ------------- ASRock Taichi X370 UEFI v4.81; AMD Ryzen R7 2700X; Noctua NH-U12S x2 fans; Corsair Vengenace LPX 3000 2x16GB (CMK16GX4M1B3000C15); EVGA GeForce GTX1070 FTW; Corsair RM750i PSU |