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I'm sorry about asking a stupid question, but what is the latest / recommended BIOS? I'm still waiting for my 5900x.

E7C84AMS.142 from ... ?

~OR~

7C84v14 (E7C84AMS.140) Release Date 2020-11-04 the latest from the official suppport website.

It seems the 142 is newer? than official 140, right?
 

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The third digit should read like "14 beta 2" - they then drop the third digit for the release version leaving 14 (not 140) - so go with the official site 7C84v14 release until they find the bugs with the 5000 series and bring out a 7C84v151 to start trying to work around them :)
 
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The way MSI does there BIOS 0 on the end = production mass release or whatever they call it.
beta
E7C84AMS.141,E7C84AMS.142 ,E7B79AMS.AB1,E7B79AMS.AB2

production
E7C84AMS.140,E7B79AMS.AB0
 

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thanks guys :) Are there any major outstanding issues in E7C84AMS.140 that should be addressed in the next E7C84AMS.15x release? Much appreciated
 

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Hi Guys, Just updated bios to beta 1.42 and still facing some stablity issues.. system just crash while on desktop.
Does anyone know where I could find Power Supply Idle Control? I don't see this option in bios.
Current setup: 5900x + MSI Tomahawk x570 + GTX 1080 + 32gb DDR4 Gskill Ripjaws + Evga G2 1300w(used for last 8years;)
 

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142 ist older than final 140
 

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142 ist older than final 140
Well in this case older version works much better for me. It still crash but no so ofter as 1.40. However the ultimate stablity can be only achieved by enabling game mode in Ryzen master.. BUT only half of cores are working :|

Still repeating my question: Does anyone know where I could find Power Supply Idle Control? I've went trough every screen in bios but can't see this option.
 

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Well in this case older version works much better for me. It still crash but no so ofter as 1.40. However the ultimate stablity can be only achieved by enabling game mode in Ryzen master.. BUT only half of cores are working :|

Still repeating my question: Does anyone know where I could find Power Supply Idle Control? I've went trough every screen in bios but can't see this option.
I'll be getting my 5900x at the of December... so I cannot speak from experience :p... However...

Did you do a clean win10 (20h2) install? Your windows 10 installation could be corrupted by previous buggy BIOS you had installed.

I also recommend installing latest drivers for x570 chipset and LAN.

what are your temps? RAM settings?

or it just could be BIOS is just buggy and not refined.
 

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Tried the 1.42 Beta Bios for X570 Tomahawk and still experiencing WHEA error issue when FCLK is above 1600.
Unchanged from release day version (1.40).
The BIOS date is old as release day version, so there's probably not too many differences (if any).

Extremely disappointed with this motherboard even though it was supposed to be one of the better ones in it's price class.

2465070
2465069
 

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Tried the 1.42 Beta Bios for X570 Tomahawk and still experiencing WHEA error issue when FCLK is above 1600.
Unchanged from release day version (1.40).
The BIOS date is old as release day version, so there's probably not too many differences (if any).

Extremely disappointed with this motherboard even though it was supposed to be one of the better ones in it's price class.
I'm very sorry for you and other users having to deal with this sort of issues, instead of gaming or doing other work. I could be wrong but I don't think it is msi only or tomahawk model specific. There are reports of Asus users and MSI x570 other boards having issues as well.

Hopefully next AGESA patch D will fix most of the issues. I'm almost glad I will get my 5900x at the end of December, hoping most of the major issues will be sorted out.

EDIT: makes you wonder of what BIOS versions were the reviewers using. Maybe I will go check to compile the list LOL :p
 

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It seems like the high-end boards got a beta bios for improved FCLK first. Hopfully the Tomahawk and the other boards will follow soon.
Really only want to put the 5800X, which is lying around here, to the test with proper RAM support.
 

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Hi Guys, Just updated bios to beta 1.42 and still facing some stablity issues.. system just crash while on desktop.
Does anyone know where I could find Power Supply Idle Control? I don't see this option in bios.
Current setup: 5900x + MSI Tomahawk x570 + GTX 1080 + 32gb DDR4 Gskill Ripjaws + Evga G2 1300w(used for last 8years;)
You can not find Power Supply Idle Control in your own BIOS. My question is did you look.
Advanced CPU Configuration/AMD CBS

I made a post about this for crash ,My advice return CPU,stop wasting time there is no real fix. You could also return MSI X570 Tomahawk ,that would take longer.
MSI X570 Tomahawk 3600XT/5800X work great 3800XT Crash on Idle/BIOS/Internet



It seems like the high-end boards got a beta bios for improved FCLK first. Hopfully the Tomahawk and the other boards will follow soon.
Really only want to put the 5800X, which is lying around here, to the test with proper RAM support.
My 5800X works great in this MSI X570 Tomahawks . I run 5050Mhz you are not missing anything at all with higher FCLK .If you need proof I can show you for PC gaming Tight ram timings are more important than FCLK.


AMD 5800X 5000Mhz RTX 3080 4K HDR 60 FPS Assassin's Creed Valhalla for those interested
 

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My 5800X works great in this MSI X570 Tomahawks . I run 5050Mhz you are not missing anything at all with higher FCLK .If you need proof I can show you for PC gaming Tight ram timings are more important than FCLK.
You are right, I could do that, but I don't really need the 5800X for 'ordinary' use like gaming atm. So I am not in a hurry.

And I have a number of tests and benches I want to perform, specifically with very optimized RAM settings. My 3900X can't do 1900FCLK but it's running 1866Mhz and the 2x16GB DS B-die is doing 3733Mhz @ CL 14-14-14-28 tRFC 240. And that's the minimum baseline I would like to perform my tests on.
 

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Nothing the matter with waiting,it is only a computer. I have tested a bunch of ram at DDR4 3866Mhz (1933FCLK) on 3800X .I do not think I will test on 5800X DDR4 4000Mhz (2000FCLK) ,it just does not make a difference for my use . Good luck with your testing,testing is fun.
 

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Tried the 1.42 Beta Bios for X570 Tomahawk and still experiencing WHEA error issue when FCLK is above 1600.
Unchanged from release day version (1.40).
The BIOS date is old as release day version, so there's probably not too many differences (if any).

Extremely disappointed with this motherboard even though it was supposed to be one of the better ones in it's price class.

View attachment 2465070 View attachment 2465069
What are your voltages? Specifically the VDDG_IOD and CCD?
 

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What are your voltages? Specifically the VDDG_IOD and CCD?
Increasing voltage doesn't seem to fix it. I've seen about 1000+ reports of this issue on MSI boards.

Tried
  1. Auto settings
  2. VDDG CCD = 0.9, VDDG IOD = 0.9
  3. VDDG CCD = 1.05, VDDG IOD = 1.05
  4. VDDG CCD = 1.05, VDDG IOD = 1.05
  5. VDDG CCD = 1.00, VDDG IOD = 1.15
 

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I got MSI x570 tomahawk WI-Fi last week, few day ago I started build new motherboard replaced old MSI x470 gaming pro carbon that sucks won’t allow me OC ram memory to 3800 at all, now new board allow me OC ram 3800 cl16 no problem with bios 7C84v141 and I plugged cable switch button into jbat1 on board (clear cmos easier). See pic below.

View attachment 2463787 View attachment 2463788 View attachment 2463789 View attachment 2463790
result I am happy with it.

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Can I ask which Noctua cooler that is on your board? Also, does it cover the first RAM slot? I can't quite see from this angle.
 

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but it's running 1866Mhz and the 2x16GB DS B-die is doing 3733Mhz @ CL 14-14-14-28 tRFC 240.
DS ? you mean DR ( dual rank ) ?

Can you post your settings please ?

This is what i got actually with 2x16Go dual rank Gskill Trident Z NEO 16-16-16-36 :

 
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