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Basic BIOS Guide for CTR 2.1 (beta 6 and RC1) (Patreon)

Published:
2021-02-24 12:47:39
Imported:
2026-06
Tags:
CTR

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By @Riwwelorsch :)

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N T

Amazing guide. Good job.

GregT

Yes! That is what was missing! Many thanks man. I use similar bios settings when running my PBO curve, so it's good to see I can use them with CTR now. The only question I have is if you know what automatic in the PBO limits sections does? Cause I read that it may be best to use Motherboard for chips with 2 CCD's.

Michael

Great summary ! Some comments: - MSI: Setting CPU LLC to Auto will be essentially no LLC and result in warning about vdroop in CTR diagnosis. LLC 3 is what I use normally. - vSOC of 1.15-1.2 is a lot and can even cause less stable operation and high temps. 1.05-1.1 is often enough, especially for 3600 or lower speeds. I would also activate some medium LLC for vSOC

Riwwelorsch

1. MSI Auto will be around 4-5% Vdroop. Ignore the warning in CTR about LLC! I am sure, Yuri will remove this in the future. 2. CPU LLC and SOC LLC should be on Auto. This will guarantee the most stability. 3 VSOC 1,15-1,20 is requiered for stability of CTR in general and PX profile especially. 4. Most important point: I didn't make up these values. These are ALL Yuri's recommendations! So...

Dizziee

This is EXCELLENT work! Almost foolproof, but some will copy your values exactly and not read anything 🤧 they have to learn the hard way.

jla1010

For the Asus Dark Hero, can Dynamic OC coexist with CTR or does it interfere?

Michael

I know that the recommendations for VSOC are from Yuri but that doesn't mean we should just take them for gospel. They are not some eternal truth. LLC is an example where yourself say that Yuri might change it in the future. I wouldn't be surprised if Yuri backs off of the 1.15v-1.2v VSOC recommendation himself. Sure, it might help in some cases where vSOC was too low but would wager that in most cases less vSOC will be just as stable. Simply saying that SOC LLC on Auto will guarantee the most stability is a bold statement. I wonder why there are any LLC manual settings at all ? In summary, this whole topic is very complex and I would be careful to present any of these things as absolute truth. For my part, I will continue viewing everything with a critical eye from my experience in OC of 25 years (started with Celeron 300A). Oh, and there was just a BIOS update from MSI update a bug for LLC3 cache speed. Will be interesting how that relates to the finding of Yuri in that regard: https://forum-en.msi.com/index.php?threads/msi-x570-b550-beta-bios-update-bug-status.348919/

Martin Wolf

Great Job! Yuri, will you also offer a description to implement the changes made by CTR back into Bios, so I can benefit from it, when I use Linux? The ideal solution would be a kernel driver, maybe you find a sponsor for that?

Tristan Jakob-Hoff

Wow. Following this guide on an MSI Tomahawk saw my 5900x go from Bronze to Platinum!!!

Tristan Jakob-Hoff

Though remains to be seen whether that's stable. . . Not sure how to decide what to set my voltage overrides to.

Riwwelorsch

Its not a bold statement... It is a recommendation, not more not less. This is a basic guide for very inexperienced user, who are seeing BIOS for the first time. There are some mechanisms active when LLC is on Auto which helps to improve stability. But based on your experience, I don't have to name these. It is totally OK, if you configure your bios your way, i mean its yours :-) if you are almost an expert, than this guide is nothing for you. But tbh for me it is not OK to call a recommendation about still safe voltages a bold statement. If you know better than me - good for you! If you know better than Yuri - pls get in touch with him to improve CTR even further!

Henry Curtis Pelgrift

Brilliant organisation on this person’s part! Step-by-steps of where to find everything if you don’t know (like me), and succinct summary pages if you do know and just need the settings (and ofc a beginner and experienced version for each)! Excellent presentation, and glad you’ve got folks lending a hand!

Alistair Clark

On my Asus b550 rog strix i dont have the option “External Digi+ Power Control” any tips?

Tristan Jakob-Hoff

Riwwelorsch, if you are a noob like me, how do I determine which end of the 1.15v-1.2v range to set? How do I know what's stable?

Michael

Just try 1.15v and check whether it's stable. It's already plenty and should not impact stability for RAM speeds up to 3800Mhz. Tbh, I would rather dial down my PBX by 25 or 50 Mhz rather than to use 1.2v vSOC which is regarded as the upper limit for 24h operation and usually only recommended for 4000 or higher RAM speed (on 1:1 fclk of 2000 or higher). Actually, I would leave it on auto as long as you don't have stability problems. You can use a little app called ZenTimings to check your RAM voltages and settings in Windows.

Xdrqgol

You have Digi +VRM

Zeeflyboy

Thanks @Riwwelorsch, nice to have a straightforward guide.

Ash Cooper

Much appreciated Riwwelorsch 👍

Andrej Vidmar

Hello, thanks for your time and this guide! Is not VDDG CCD a little low? My Ryzen calculator suggest that voltage to be 1.05. I have ryzen 5 5600x 2CCD and G. Skill B-Die overclocked to 3800 CL16

Ash Cooper

Can't find curve optimiser in my X570 Aorus Master bios, I'm using the 33c version. What's my options or am I fine without it?

Riwwelorsch

That's what I use. You have to set it according to your RAM oc

Riwwelorsch

The pics of the Gigabyte section were taken from a X570 Aorus Master... So it has to be there

Riwwelorsch

The SOC recommendation is not meant to achiev higher PX clocks, its meant to maximise the stability of the PX system. Please don't make a recommendation that you don't seem to know as much about as you claim. Absolutely not meant badly!

Tanveer Jugpal

Thank you for this. I am giving it a go, now that I know where everything is for Gigabyte. I did have to do some extra digging to get to the VDDG setting. May I ask why 950 for the VDDG (i am a noob and have no idea what it does), I only ask since Yuri on one of my previous posts for Beta 3 had suggested the following. "I recommend to use SOC voltage 1.15V (this is minimum) and VDDG voltage 1.025-1.05V." I have the 5900X (silver) with X570 Aorus Master, custom loop cooling. 4 × 16 GB G Skill Neo running XMP of 3600 CL16. Cheers and thank you again. Will post updated results and stability with the new settings.

Ash Cooper

It's not 😥 double checked, worth flashing previous BIOS version?

Riwwelorsch

This is very strange. Try to search for it. Type F9 and search for curve

Riwwelorsch

Look at Yuri's beta 6 document on page 9. 0,95 - 0,975 V is the new recommendation because its turned out 1,05 was not necessary.

Tanveer Jugpal

Thank you. I've finished a run and no instant crash like before with higher values in PX. Will keep Yuri and yourself posted if I encounter any issues. Cheers.

Tristan Jakob-Hoff

What am I doing wrong? As above, 5900X with MSI X570 Tomahawk, 128GB 3600/CL16 Crucial Ballistix RAM and Dark Rock Pro 4 cooling. After following this guide and setting SOC voltage to 1.20V and VDDG to 0.975V, I'm getting insanely far in the diagnostics stage (827mV), with a final result of: AMD Ryzen 5900X 12-core Processor Max temperature: 61.8° Energy efficient: 5.29 Your CPU is PLATINUM SAMPLE Recomended CCX delta: 75 Theoretical maximum CCX delta: 100 Recomended values for overclocking (P1 profile): Reference voltage: 1175 mV Reference frequency: 4975 MHz Recomended values for overclocking (P2 profile): Reference voltage: 1275 mV Reference frequency: 5125 MHz Recomended values for undervolting: Reference voltage: 1000 mV Reference frequency: 4650 MHz Which sounds AMAZING. But when I try to tune using the P1 results, which requires me to up the Max frequency of course, I get a reboot straight away. Is this something to do with my RAM, maybe, which is very stable generally but not technically supported?

Riwwelorsch

During diagnostic it should tell you about vdroop. How high is it? And what LLC mode are you using? I am on the same motherboard

Nate Parkhurst

I can't seem to find it either on my Asus B550 TUF, I think that could be the fact im on a Ryzen 5 3600 and that isn't supported. Other than that which is most definitely not Yuris fault I gotta say this was a good guide.

Riwwelorsch

OMG, this is a very good point i havent had in mind while writing this guide. For sure you wont have the curve optimizer settings avaible if you are not on Zen3.

Tristan Jakob-Hoff

Can't remember what Vdroop was coming out as, but it wasn't high - under the level that triggers a warning. LLC set to Auto. With stock BIOS Vdroop is normally around 6-7%.

Tanveer Jugpal

This is truly bizarre, but, PX recommends 4975 for high state. I ran 4975 and stressed using OCCT for over 10 mins where it went in and out of PX profile 100% stable no errors. Then I launched chrome and instant crash. Had to lower it to 4900 to stop that from happening but tried as high as 4975 with OCCT and no problems. Any idea why? Is OCCT not a good test for CTR profiles?

Mickey85

Stability is not just stress tests and full-load scenarios. It's also quickly switching between heavy and light loads and many other factors. Of course start with the benches after tuning - but then watch some youtube videos, browse the web, do various tasks to *truly* check stability. Also with OCCT - run all of the various tests they offer. I also find Rog RealBench stress test and benchmarks will quickly show instability. It makes sense that backing it down 50mhz stabilized the tuning.

Mickey85

Check you logs folder - should tell you the vdroop

Mickey85

Amazing guide here @Riwwelorsch - I think this is finally my ticket to stability. Until now I have not been able to stabilize P1/P2 or PX.... Now I've got P1/P2/PX working all day with CTR Hybrid OC - I've been through the full battery of benchmarks, stress tests, and gaming benches and all is stable so far. I've got kind of a "meh" high bronze/low silver chip which sucks - but I am finally getting better results than my PBO + Curve settings I had dialed in before using CTR. Only I'm getting much lower temps, less power draw, and of course the ~1mv VID for idling is insanely nice. I still may try a low 1-2 LLC to see if I can push clocks up a hair more - but overall I'm within the averages you posted for the 5950X on a Dark Hero! Very happy! We'll see how it continues to perform in the coming days. Hopefully I'll remain crash-free.

Michael

According to CTR statistics, the best 5900X so far had a diag voltage of 1037 and the best voltage for all CPUs was 881. I would say it's pretty unlikely this result is accurate. Especially when before, there were results with bronze and silver for your CPU. It's very difficult to identify the problem remotely. Doing a clear CMOS and loading BIOS defaults' might help but requires to reconfigure the system from scratch. Which BIOS version do u have ? I have the same X570 Tomahawk board btw.

Tristan Jakob-Hoff

Just checked logs - no mention of Vdroop during diagnostics. I think CTR only reports this during the tuning phase, but that didn't work this time around (instacrash). @Michael - I agree, it seems suspicious. Previous runs without my having changed SoC or VDDG voltages have been *nothing* like this. Best I have managed before was P1 reference frequencies of 4425 MHz, P2 4575 MHz, undervolting 4100 MHz. BIOS version is 7C84v15, i.e. AGESA version 1.2.0.0.

Tristan Jakob-Hoff

Ah, think I might have found the problem. I've been overriding the wrong voltage settings! Oops.

Tristan Jakob-Hoff

Having correctly set things up now (rolls eyes at self) I am getting Vdroop of around 5% or just higher. Should I adjust LLC from Auto? I've found it tends to give me no Vdroop warnings when LLC is Mode 3.

Michael

LLC3 or 4 is what I use for fixed core clocks (which is what CTR essentially does as I understand, just dynamically switching between several levels). I wouldn't use 2 or 1 because that can result in voltage spikes which are not healthy for the CPU and some droop is actually beneficial for stability when switching between high- and low load. Auto will result in low LLC and is fine for stability. It's just that the CTR analysis will result in lower frequencies (and rating) because the real voltage during the stability test will be lower than what was set by CTR and therefore the analysis will stop earlier. The same applies when CTR is active. With lower LLC, the achievable max clocks are lower but more stable.

Riwwelorsch

Do you mean you set a fixed voltage of 1,2 V for Vcore in stead of SOC? :-) Right now I am working on a CTR guide, where i will cover especially the Auto LLC "problem" wich of course will result in lower diag and tuning results because of higher droop. But again, has nothing to do with improved stability just because of lower clock speed... Atm CTR uses the VID voltage for diag and tuning. I meantioned this to Yuri, if it wouldnt be better to use the "effective" voltage (CPU TEL) instead. With beta 6 you will have to compensate the droop. So if you the droop is around 5 % i suggest to run the tune with following voltages: CTR default P1 = 1175 mV +5 % droop = 1237 mV CTR default P2 = 1275 mV +5% droop = 1342 mV Dont worry, you CPU will only get 1175/1275 mV under load. And please ignore the Vdroop message from CTR right now

Tristan Jakob-Hoff

Yeah, I, uh, set Vcore Voltage to 1.2 and SoC to 0.975. Stretch target for you guys: find a way to make THAT stable! ;) Going to try the higher tuning voltages you suggest now.

Riwwelorsch

Tbh it is great that you made this. It will be part of the troubleshooting section of the guide :-)

Tanveer Jugpal

Just not able to get PX stable over 4900. Unsure if its worth engaging PX for that. I've got decent P1 and P2 frequencies.

Tristan Jakob-Hoff

Oh, if you ever need anyone to cock up the very straightforward instructions you've given, I'm your man!

Riwwelorsch

I'll come back to that :-)

Ash Cooper

Crap yeah and I forgot to mention I've got a 3700x so I think we've had a case of miscommunication 😅 I'm hoping to get a zen 3 CPU soon.

Gabriel

Are you using the guide with Beta 5 or is there soe newer one already?

ᗴ ᒪ ᑭ ᑌ ᗴ ᖇ 丅 ᗝ ᖇ ᖇ ᗝ

CTR didn't exist so by default is always going to be "better with mobo settings" even if that's not really true, people (casuals) will default to saying that, those are not people like us!! they don't read don't like to do troubleshooting and/or put time and work into it, so they give up and say stuff like that.

DeeJay

On my Crosshair VIII Impact, there is no tangible difference between "load BIOS defaults w/ stable RAM OC" and the Asus specific optimizations. With the latter, the tuned performances of single P1/P2 profiles is slightly lower than before tuning even. Only PX then reaches a great score, but again, no different from optimized BIOS defaults. Let's see how the next build will do, fortunately Asus allows saving BIOS setting profiles ;o) PS: forgot to mention that during PX tuning, there was a reboot, but this so far happened with every build, not sure exactly why.

Mickey85

I'm curious of this too... sometimes I'll get reboots during diagnostic, or sometimes one or both tunings - and others it will be clean. It seems a lower like 2-3 llc helps my stability. Can anyone else chime in on this and whether reboots during diagnostic and/tuning matters?

KMHTech

Can I just set the same settings and skip the curve optimizer settings? On 3600x as well

Muhammed Ali Geldi (edited)

Comment edits

2026-09-05 16:00 Amazing guide. Thank you so much! Keep doing this <3
2021-02-26 08:57 Amazing guide. Thank you so much! Keep doing this <3

Amazing guide. Thank you so much! Keep doing this <3

tea_m

Will CTR 2.1 beta 7 have the fix to anti-cheats ?

Alistair Clark

Im having a problem where once I make the changes in the bios I cant boot and have to reflash, the DRAM light is on, (I have Asus B550 rog Strix f) RAM is set to xmp profile @ 3200mhz

Samuel Colletti

After following these settings most games on my PC were quite laggy and I would get frame drops. After resetting my bios to default these issue were immediately fixed.

pic_whizz

I configured these settings on Asus Zenith II Extreme with a 3960X. Lock up during idle only....

Morgan Ring

This is by no means a criticism in anyway, I have always been an avid supporter of your work and will always recommend CTR to anyone seeking to tweak their AMD systems. But there is a BUT ;) Firstly, I am an idiot....I liked CTR because it did all the hard work for me and greatly improved my systems,(first with a 3600X and now a 5600X,) What attracted me the most was the fact I wasn't 100% confident messing around with the BIOS settings and changing things I had no idea what they were or did, I just had to enable CTR and let it do it's thing. However, now it is getting a little more complicated for the 'average joe' user like me who is still a beginner to all this, having to change things in BIOS and other settings is taking me out of my comfort zone again, it's far easier for someone like me to go, ''oh, well I'll just set PBO 2 on in Ryzen Master and away I go!'' Again, this is no way a criticism of any kind, but I cant help but feel like CTR is getting more complicated than what it use to be. Thanks

SoniC

I am loving the Beta6.... And I just cannot wait for the signed driver! As a few of the games using Easy Anti Cheat just killed the game processes in a few of my gaming sessions!

Fixwec

Is it just me , or it seems like this version takes 50x longer to tune, im seriously on step 31 for the first tune..i have never had it take that long O_O

Dominik Hahn

Hello, new patreon here. I have a Ryzen 9 5950X on an ASUS TUF Gaming X570-Pro (Wi-Fi) (latest update) and I have trouble with the guide because some things are named differently. There is no “core performance boost” setting and the core and SOC voltages are also named differently. I’ve tried to set all values accordingly but I must have done something wrong as the “after” benchmark had less points than before. It also maxes out at “just” 4250 MHz. The temperatures are at 42 degrees celsius max. Does anyone know the differences between the ASUS BIOS from the PDF and mine so that I’m confident that I’m changing the right values?

Manjil Rai

im getting a bsod on these bios settings even with xmp off. 5900x crosshair viii hero

Daniel Stroh

Hi Manjil, also 5900x + crosshair VIII Hero user here. Latest BIOS installed. Newest CTR 2.1 RC1 release just working fine for me. Have you followed each instruction step by step? Did you install the newest bios? Also just for my info: What cooler do you use?

Nico Neumann

Hello Yuri.... Have you Interesting to make your Software Intenational? A Translation in other Languages would be very very great!!!! But @first: GERMAN :)

1usmus

yes! RC1 friendly for anticheats

1usmus

Hi, that's a good idea!

Nico Neumann

You are a Rockstar with your Software! Fine :) But Multilingual is very Important for all User.

Oscar Fernandez

If you need help for the Spanish version, let me know it ;)

Norman P. Aquino

BIOS documentation says change VDDG CCD voltage to 0,95 V - 0,975 V for all motherboards except MSI. For MSI, the suggestion is to change the VDDG IOD voltage. Is this a typographical error or are MSI owners supposed to change the CCD voltage instead? Photo of the MSI BIOS menu shows the both the VDDG CCD and VDDG IOD voltages being changed to 1.05v. Can you help me with this? Thanks.