Which BIOS is best for my X470 Pro Carbon?

ycy157802e3

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Hi,

I have a MSI X470 Pro Carbon mobo, I just bought a Ryzen 7 3700X and I would like to be sure which of the 7B78v29 or 7B782E is best because with this model of motherboard there is no flashback USB dedicated connector. As for the rest of my configuration I have A RX 6700 XT ( MSI Gaming X ) GPU, 16 Gb of HyperX RAM ( at 2666 MHz ), other things being less important. Well, thanks in advance for your help, Y.C.
 

ycy157802e3

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Yes, I have seen this one on the MSI website but it's a beta version and I would have to reflash sooner or later... I wonder if version 7B782E would not be better ( if stable with my config. ).
 

laurence1211

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Yes, I have seen this one on the MSI website but it's a beta version and I would have to reflash sooner or later... I wonder if version 7B782E would not be better ( if stable with my config. ).
What cpu are you using on that motherboard at the moment?
 

ycy157802e3

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Right now I am using a Ryzen 7 1700X with BIOS 2.6 ( 7B7826 ), which I will have to update of course before I install the new CPU. The new 6000 Series GPU gives me no problem with this already old BIOS.
 

laurence1211

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Right now I am using a Ryzen 7 1700X with BIOS 2.6 ( 7B7826 ), which I will have to update of course before I install the new CPU. The new 6000 Series GPU gives me no problem with this already old BIOS.
Ah i see, try 7B78v2E first then go from there. I'm not sure how often they are updating the 470 boards. The support page suggests you should be able to use your 1700x after the update however.
 

ycy157802e3

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At first I wanted to go for that version but since the mobo can't be backflashed without a special tool ( see P.S. herafter ), maybe it's better to give the 7B7829 a try and then see if there is a need for going further.

P.S. I do have the special tool but I used it only couple of times around 2 years ago and the webpage where I downloaded it seems to be gone so I will have only partial instructions ( the part coming with the file ) at my disposal to proceed...
 

laurence1211

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At first I wanted to go for that version but since the mobo can't be backflashed without a special tool ( see P.S. herafter ), maybe it's better to give the 7B7829 a try and then see if there is a need for going further.

P.S. I do have the special tool but I used it only couple of times around 2 years ago and the webpage where I downloaded it seems to be gone so I will have only partial instructions ( the part coming with the file ) at my disposal to proceed...
Oh you will need to go further, a few patches for the 3000 series are in the later bios updates. But starting with 7B7829 wont hurt.
 

bschalker

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You want to go with the latest 7B78v2H5. As this BIOS supports ResizeBAR (or in other works AMD Smart Access Memory). You GPU supports this as well. And in certain games it can boost FPS up till 15 percent or more. Previous BIOS versions do not support it.

I am also running 7B78v2H5 on my X470 Gaming Pro Carbon with a Ryzen 9 3900X and have zero stability issues. So if you are afraid of stability issues, this BIOS is perfectly stable so far.
 

ycy157802e3

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Hey! exactly what I hoped for, an answer from a guy who has the same motherboard! Other members of this forum were right too and now I know I can proceed at no risks at all. Thanks a lot to all of you guys! :-)
 

ycy157802e3

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Hi again,

I successfully updated my BIOS but now I can't change manually mr RAM voltage and since it is designed to operate at 1.2 volts I don't like to see my sticks at 1.35. Any trick for it?
 

plutomate

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usually it's better to just follow MSI rule for better stability. 1.35V is not high at all and it certainly won't do any harm to the ram stick. If you really want to change it, you can always go to BIOS\OC\Memory voltage to apply 1.2V.
 

ycy157802e3

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Exactly what I did and this is what I am trying to explain here, I can't change it and I know how to do it ( being a senior ICT tech ).
 
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ycy157802e3

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Yes, of course! And now I just noticed that my CPU frequency is always at max at around 4.2 whereas in Control panel, Power Plan Settings I am under Normal use ( recommended )! Help, please!
 
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laurence1211

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Yes, of course! And now I just noticed that my CPU frequency is always at max at around 4.2 whereas in Control panel, Power Plan Settings I am under Normal use ( recommended )! Help, please!
You should always use Ryzen high performance power plan. You could also use a ram upgrade. Your problem is an odd one, have you tried re-flashing the bios? Also you could try the latest non beta bios.
 

ycy157802e3

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Many, I mean MANY people report that problem and Ryzen High Performance gives the exact sames frequencies. I have HyperX Futy RAM, which are very good sticks. I am really sorry I bought that CPU. And temps are always in the 40's...
 
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bschalker

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You should be able to change your RAM voltages. I can do as well. Set te Overcloking page to Advanced. Than you can choose override for RAM voltage and set a custom voltage.

On another note. When you load the XMP profile of the memory it should set its own proper voltages automatically as well.
 

ycy157802e3

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I have finally been able to change RAM voltage but that's not how it works: when clicking on the RAM voltage, instead of trying to set it to Manual you must use directly + and - keys. I also been able to secure my device ( big machine! ) but it is more complicated than with the old BIOS. Now, you were right about the fact that this BIOS is stable ( at least so far after a few hours ) but the problem remains for the CPU that is always above 4 000 MHz. It actually runs at 4 200 to 4 300, even sometimes going above 4 400 ( though just a little )!

Oh! by the way I never overclock since with my PCs are so fast already that there is no need for it.

P.S. This BIOS is stable but only with the 3700X; I had to do my last things very fast with my 1700X because it gives blue screens within minutes! And I had to update BIOS before installing the 3700X since my PC would not boot with old version. :-/
 
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