X570 Tomahawk wifi + Ryzen 7 5800x workaround

Griffo77

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Dec 1, 2020
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37
1.45 volts in bios loosk normal.
As soon as i can i will try the new bios. I let you know :-)
 

oncs153502d3

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Feb 15, 2021
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You have to find your own sweet spot. Your temps are to high. Try to low your multiplier to 44 or less. Test and see what happens.
Check your RAM configuration. My system usualy prompts to clear CMOS with RAM issues.
May I ask you that the new firmware solved your issue or it is still valid and only with these tricks you can get a stable machine
 

oncs153502d3

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Feb 15, 2021
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You have to find your own sweet spot. Your temps are to high. Try to low your multiplier to 44 or less. Test and see what happens.
Check your RAM configuration. My system usualy prompts to clear CMOS with RAM issues.
May I ask you that with the new BIOS the problem has been solved or your system only works with these tricks yet?! Thanks
 

oncs153502d3

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Feb 15, 2021
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You have to find your own sweet spot. Your temps are to high. Try to low your multiplier to 44 or less. Test and see what happens.
Check your RAM configuration. My system usualy prompts to clear CMOS with RAM issues.
Hello! Is your problem solved with the new BIOS or you have to use the machine still with these tricks?! Thanks
 

Raxe

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Jan 31, 2016
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Hello! Is your problem solved with the new BIOS or you have to use the machine still with these tricks?! Thanks
I'm on the latest bios with ComboAM4PIV2 1.2.0.0 and it didn't solve anything for me sadly. Turning on PBO or CPB will make my system really unstable when gaming. Although I'm not really bothered by it since I'm only losing like ~5% performance, I'd still like to see this issue resolved soon.

Specs: 5800x - B550 MAG Tomahawk - G.Skill Trident Z Neo F4-3600C16D-32GTZNC
 

oncs153502d3

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Feb 15, 2021
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A trully hope that the problem is not the memory. I am having exactly the same memory but X570 motherboard and 5900x CPU....
 
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Feb 15, 2021
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Hello! I registered here just to say thank you for sharing this with the community.
I took this as a starting point, googled some more and was finally able to resolve my problem.

So, I too had problems with my 5950X on X570 Tomahawk
BIOS update from v14 to v151 beta alone did not help
I had a lot of WHEA Cache hierarchy errors and random restarts while idling or some very minor load.
Crashes happened on both Ubuntu 20.04 and Windows 10 64bit latest updates.
I even submitted a ticket to AMD (probably should send one to MSI as well...)
Sometimes it was just absurd - load Windows, and after idling a couple of seconds at login screen, system crashed and rebooted.
Sometimes it happened while AFK, sometimes when I just used search bar in Chrome...
And never under some really heavy multicore load (cinebench, compile, even gaming...)
It was all using stock/auto BIOS settings + XMP enabled.

So what I did to finally make my system stable:

1. Updated BIOS to the latest v151 beta
2.
Disabled Global C State
it bumped my idle power consumption a bit
3. Set Curve Optimizer to +2 all core
it is said that you might need to try something between 2 and 8 or 10
I guess it depends on chip quality / luck / planets alignment
in my case, I might be a lucky one to get away with only +2, so very minor overvoltage for getting stock settings work lol.

The rest is auto, XMP is enabled, memory is G.Skill Ripjaws V 64Gb Kit 4x16Gb 3600 CL16 working as it should.
Seems to be stable now! With stock settings, so it is 3800Mhz multicore 4900Mhz single core.
At least for the last two days...

My take:
- CPU is from mediocre to bad batch, i.e. requires a bit more voltage to function properly
- auto voltage problems with "factory" overclocking (all these CPB, PBO), especially for peak overvoltage to reach 4900-4950 clock single core
- power saving features while switching to peak voltages do not play nice altogether???

PPL say that in January we will have new BIOS with updated AGESA (base AMD firmware) 1.1.9.0 that will be like a magical mystery cure for all our BIOS troubles.
It is already released for B550 https://www.reddit.com/r/MSI_Gaming/comments/kiro7r However, I have no idea why it is not released on target Zen3 platform yet ???

Lastly, it was an insane frustration and enormous amount of reading and learning just to narrow down the problem to make these stock settings work.
I've spent a couple of days reading probably every single WHEA thread that exists (Overclock net, AMD, MSI, Reddit, Linus tech tips forums).
I was afraid that I will have to RMA the CPU, and it is a very complicated process. But a lot of PPL do that!
Not to mention the supply shortages, the second CPU could probably be the same and I need this PC for work...

I had some static overclocking like it is mentioned in the quote as a last resort.
Luckily, it seems like I managed to get away with PBO enabled and only some minor tweaks.

Thanks again, 77griff159e02ea

Cheers and happy New Year everyone.
Hey, thanks for this guide! I'm experiencing reboots after 10 minutes with WHEA 18 in event logs. Are you still using these settings? Did the latest BIOS upgrade 7C84v15 changed anything for you or are you still running the v14? I'm running the 7C84v15 BIOS (latest) and tested without changing anything, with XMP enabled and disabled, but I keep getting the same reboots.

Should I try your settings on 7C84v15? It's my first time messing with BIOS adjustments :)
 

Raxe

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Jan 31, 2016
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A trully hope that the problem is not the memory. I am having exactly the same memory but X570 motherboard and 5900x CPU....
I had the same issues when I tested it with my old G.Skill Ripjaws V F4-2133C15D-8GVR. So I consider that unlikely, but who knows...
 
Joined
Feb 15, 2021
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If I switch on "Gaming mode" on BIOS, I get a few minutes more before it reboots again. I tried contacting AMD describing the issues and check if it can be a faulty 5950x, but they are taking forever to reply. I'm spending so much time on this!
 

Raxe

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Jan 31, 2016
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If I switch on "Gaming mode" on BIOS, I get a few minutes more before it reboots again. I tried contacting AMD describing the issues and check if it can be a faulty 5950x, but they are taking forever to reply. I'm spending so much time on this!
Just try and disable CPB and PBO through the bios, that way you could (hopefully) atleast get your system running stable until you can send it back to AMD.
 

Silverthorne

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Dec 29, 2020
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Hey, thanks for this guide! I'm experiencing reboots after 10 minutes with WHEA 18 in event logs. Are you still using these settings? Did the latest BIOS upgrade 7C84v15 changed anything for you or are you still running the v14? I'm running the 7C84v15 BIOS (latest) and tested without changing anything, with XMP enabled and disabled, but I keep getting the same reboots.

Should I try your settings on 7C84v15? It's my first time messing with BIOS adjustments :)
Hello, sorry for the late response!

Yes, v15 with AGESA 1.2.0.0 fixed literally all the WHEA/Idle issues for me.
I don't have to disable Global C States or increase curve optimizer voltage anymore, I can just use stock settings.
 

conromi154002dc

Conromia
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Feb 13, 2021
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Hey guys,
V14 BIOS was fine with my 5800X however since going to V15 i've had WHEA errors every 30mins or so when under low usage.
What fixed it for me in the end was settings an offset of +0.05V on the vcore. All other settings stock. (Except XMP profile for the RAM)
So far 29 hours with light usage and gaming. Still testing however.
Seems like the auto setting was dropping the voltage too low and bluescreening. At least for my configuration.
 
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Feb 15, 2021
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Hey guys, just to report back that I've been in contact with AMD technical support and after they asked for a long list of tests, they approved my RMA. I received my 5950x back yesterday and it's completely stable and working without any issues! No Whea 18 anymore.
 

conromi154002dc

Conromia
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Feb 13, 2021
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5
Hey guys, just to report back that I've been in contact with AMD technical support and after they asked for a long list of tests, they approved my RMA. I received my 5950x back yesterday and it's completely stable and working without any issues! No Whea 18 anymore.
I’m going through that process now, even though I managed to stabilise the cpu.
Out of interest, how long did you have to wait for your new cpu to arrive?
Last time I did this with my 1700X it was about 3 weeks. But I’m worried about shortages.
Thanks.
 

rapro154102d9

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Mar 6, 2021
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13
Hi!

I have the same problem with my PC

Mainboard MSI MPG X570 Gaming Pro Carbon Wifi Rev 1.0 Bios 1.B0
Ryzen 7 5800x

in this moment disable C-States and override vcore and vsoc. I hope so work, anyway the next week can check with a 5900x.

Thx.

pd: with 5600x work without any issue before
 
Last edited:

rapro154102d9

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Mar 6, 2021
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Hi!

the games still crash after few minutes. Now only C-States off and PBO Off. SVM is off too.

Thx
 

fybyfyb159302e2

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Mar 17, 2021
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Update 5
Digging AMD forum, i found several people saying that it is a bios problem (something related with digital fuse) and there is a guy who posted this "solution":

Go into BIOS. Disable CBP, save, reboot. Go back into BIOS.
Set the performance enhancer to level 3
(i dont know this feature in MSI mobo)
Then go to the PBO settings and
set PBO to enabled
set Fmax enhancer to enabled
(i dont know this one to)
Open the advanced tab and open AMD overclocking.
Select PBO here
set PBO to advanced and the limit to motherboard.
(The main thing) EDC - Set Spike VRM-out current limit to 200A. (later we can back this down, probably AGESA 1.2)
(Just in case) PPT - Set the socket power limit to 130W. (depends on mobo)
(Just in case) TDC - Set the vrm thermal limit to 85. (depends on mobo and proc)
EDC is a temporary massive increase, PPT here a decrease. TDC depends on your cooling of VRMS and such.

Leave at zeros all the rest in that menu
Set Idle Voltage to Typical
Set Global C-states control to Disable
MAKE SURE THAT ECO MODE IS OFF.
NOW you can reboot, go into BIOS and set Core Precision Boost back to On, everything should work.


Does anyone know what is the msi equivalent to Fmax enhancer and performance enhancer level are?
No way! This is really working! At least 4 hours without critical events and BSODs in Windows. Agesa 1.2.0.0 here. So it seems, problem persists across AGESA version. But Im surprised, theres no need for over/under volatages, like many people tried. I hope this will last and also that problem will be fixed in nexta Agesa or BIOS (ASUS B550-E here).
 

kaffei157e02e3

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May 31, 2021
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Same random reboots here.

MSI MAG x570 TOMAHAWK Wifi (BIOS 7C84v15 (Out of the box))
A-XMP Profile 1, PBO on curve optimizer undervolt of Negative (12)
Ryzen 5950x
HyperX Fury RGB 32GB (2 x 16GB) 3600MHz DDR4 CL18 DIMM (Kit of 2) 1Rx8 HX436C18FB4AK2/32
Seasonic TX-750 Platinum
Samsung 980 Pro m.2 nVME 1TB
Samsung 970 Evo SSD 1TB
Samsung 950 Evo SSD 256GB (Scratch Disk)

Noctua DH-15 Chromax.black + 2x140mm Noctua intake fans, 1x120mm outtake fan.
Windows 10 Pro 64bit

Kept getting Event 41 with (0) data... (Sudden restarts) as well as some WHEA errors.
This was all while using photoshop. It didn't happen while gaming.

NOTE: I switched everything back to default except tweaked fan curves and A-XMP Profile 1, and everything seems to be going fine, for now...
I'm hesitant to try 7C84v163(Beta version) as it's a beta version.
 

Silverthorne

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Dec 29, 2020
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A-XMP Profile 1, PBO on curve optimizer undervolt of Negative (12)
I think a negative curve optimizer is your problem here. The CPU does not get enough voltage in certain boost scenarios.
When I had WHEA errors on stock BIOS (v14), I used to set curve optimizer to +2 and disable Global C State. That helped. After switching to v15, the problem is gone.
 

kaffei157e02e3

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May 31, 2021
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I think a negative curve optimizer is your problem here. The CPU does not get enough voltage in certain boost scenarios.
When I had WHEA errors on stock BIOS (v14), I used to set curve optimizer to +2 and disable Global C State. That helped. After switching to v15, the problem is gone.
I was temped to try for a nice increase in performance and decrease in temps, so it was worth a shot.
I'm keeping a close eye on it this week to see if the current config (basically default sans A-XMP profile 1) is stable, and we'll go from there.
 
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