Ryzen 5 1600 OC and lag issues

D---X---R · May 20, 2017

Just dropped this Ryzen 5 in. having issues with my mouse lagging, sometimes freezes, and i often find the CPU at 80%+ load for no apparent reason...

So I decided to overclock it to 3.7 ghz (B350 Tomahawk). Its hitting peaks of ~3.66 but thats not the issue, the issue is that it's throttling to 1.5 sometimes - when not under load (5-10%). I didn't find an option to turn off any sort of "boost" which i thought is the problem. I'm not willing to play around with voltages. So is it simply not able to sustain 3.7 stable? or is there another reason for the issues im having?

Also getting massive and consistent stuttering in my BIOS, which probably has nothing to do with the CPU.

And lastly my system takes 40 seconds to boot from the time i press the button to the time windows shows up, fresh install, SSD, it takes 20 seconds just to fire up my monitor and show the POST screen...

Any help would be massively appericiated, im new to the AMD platform, and to PC building in general.

Seanie280672 · May 20, 2017

D---X---R :

First of all is your bios up to date ? the massive boot and post times to me would tell me its not as these issues have been fixed with bios updates. (do not flash the bios with overclock applied, especially if its unstable)

2nd, which cooler are you using ?

I would say with what you are describing, 3.7ghz is not stable at stock voltages, it would be handy to know which ram you are using and what speed you have it set to also.

I doubt the CPU is throttling, you probably just have the power saving features enabled and in an idle state, its just reducing speed and voltages as its supposed to do, those options are in the OC menu, disable core performance boost, then scroll down to CPU features and disable C6 and AMD cool and quiet and it will stop doing that.

A very quick test to find out if your stable or not is to download this: http://www.techspot.com/downloads/4965-intelburntest.html
set it for 50 passes, standard settings, only takes 10 mins to run and will tell you very quickly if your CPU is stable or not, make sure you monitor your temps too, if you get a black screen, its known as insta-crash, and means you are very unstable with your overclock.

D---X---R · May 20, 2017

My BIOS is not updated, its from back in March, I dont want to update it yet because my flash drive is very unreliable and if it fails during the update, then my board is toast... waiting to get a new flash.

Using the Spire stock cooler (95 TDP, not the 65 TDP model)

RAM is Corsair vengeance LPX @2400
Im heading to my bios now to look for the things you mentioned.

Seanie280672 · May 20, 2017

D---X---R :

you need to update the bios as soon as you can, the early bioses are pretty much beta, and early adopters of RyZen are once again pretty much beta testers, the updates fix many problems, you only need to flash the latest bios as it contains all the fixes from previous bioses, in your case 15, you can get it from here, https://www.msi.com/Motherboard/support/B350-TOMAHAWK.html#down-bios

I suggest you use a USB stick and flash it from within the bios itself using M-Flash, dont use windows based flashing utilities, ive seen plenty of new boards killed using windows based flashing utilities.

The spire cooler is a pretty decent cooler and will allow for overclocks, and also slight voltage raises, I wouldnt raise the CPU voltage too much though on that cooler, just monitor your temps whilst stress testing will tell you if the cooler is coping or not.

D---X---R · May 21, 2017

I will update the bios asap, not touching the voltage because I've seen people hit 3.8, even 3.9 on a spire and a b350 with this cpu (obviously silicon lottery), so I want to try everything before resorting to raising the voltage.

I did find Core performance boost and C6, which I disabled, resulting in this: http://i.imgur.com/6bSrLrP.png

However I couldn't find the AMD cool'n quiet even though im in advanced mode and expert OC mode.

Is it "Downcore control" by any chance? is there any way to disable that?

Seanie280672 · May 21, 2017

D---X---R :

No, its not downcore control, that option is to disable cores on the CPU, its in the same menu as C6 State, however, as you are on an older bios it may not be an option yet until the newer bios.

Also, in Windows, which performance mode are you using ?

I understand the voltage thing, however, every CPU is different, mine would only do 3.7ghz on stock volatges, and needed raise to 1.375v to do 3.9ghz, I have an R7 1700, ive seen people who can only do 3.5ghz on stock voltages etc.

D---X---R · May 21, 2017

http://i.imgur.com/y7hK3qE.png

Sustained 3.7 for 15 tests, the reason I didn't want to let it continue is that the temps reaches 65oC which I heard is the cut off for the non X models of this chip, and because I turned off all the safety features, I feared it might not downclock and damage it.

So now I know it can clearly hold 3.7 stable, now its just a matter of updating the bios and figuring out if Cool'n quiet is the reason for the throttling.

Seanie280672 · May 21, 2017

D---X---R :

Ive heard 2 different versions for temps and dont know which one is true to be honest, some people say 95oC for the X versions and other say 75oC for non X versions.

Now this is where it starts to get a little complicated, and many people will argue what im about to say, the X versions max temp is 95oC but have a +20oC offset which is included in that 95oC, so 95oC minus the 20oC offset is obviously 75oC also, beacuse the alternative is 95oC plus the 20oC offset = 115oC, I seriously doubt that.

So thats what I stick by, anything over 75oC it throttles, even with bios safety features disabled, ive tried and tested this myself on my non-x chip with the wraith cooler, im currently custom watercooling and my CPU doesnt go over 59oC under that stress test, nothing you ever do will get the CPU that hot again.

Which power plan are you using in Windows ? I dont think its throttling, I think something like Windows power plan is just reducing speed whilst idle, for it to throttle it would have to be hitting its max temps.

D---X---R · May 21, 2017

Well, today I figured out how colossaly stupid Microsoft is. WHY put a BALANCED power plan on a desktop.... I've used power plans many times with my laptop but did not imagine they would even exist for a desktop, the more you know I guess. Anyways I turned it to high performance and now its much better, still goes down to 3.1 but I imagine that'll be fixed with the bios update.

Thanks a lot man, this was frustrating me, games were dropping down to 20-30 fps for no reason and now its all good.

Seanie280672 · May 21, 2017

D---X---R :

yeah I know, thats one of the biggest complains about Microsoft Windows at the moment, use an Intel setup and it defaults to High Performance mode, use an AMD and it defaults to Balanced mode.

Once you've updated your bios, also update your drivers, get them from the AMD website instead of the motherboard website, the AMD ones come with a new power plan specifically for RyZen, I still use High Performance myself, but its there if you need it.

D---X---R · May 21, 2017

There we go, updated BIOS to latest version, cool'n quiet popped up, turned it off and now its holding 3.7 stable: http://i.imgur.com/mgQTsTI.png even during light load, as you can see.

Also the long post times seem to have disappeared as well.

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