Extremely unstable system with B660 tomahawk and DDR4-3200

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Jun 27, 2022
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Hello everyone! I'm in a very serious problem right now and I seriously can't find any solution.
My current system is: 12400+ B660 TOMAHAWK wi-fi+ 3200 RAM (all brand new) and I'm getting constant freezing, BSoD, audio stuttering, it randomly disconnects my headset from the system, playing a video on my second monitor is a done deal for now.

I ran multiple benchmarks with very good results
I have the latest BIOS update
I did a full memtest with 0 errors
I check my temps constantly and it's all very cool.
I've replaced my 12400 with another one, same results
I've replaced my ram with 2 other new sets and it's doing the same thing.

After all these, I've come to a conclusion that is something wrong with my mobo and I literally have no idea what to do right now. The only thing that reduces the amount of BSoD and constant freeze is disabling XMP and letting it run on 2666 mhz. What should I do to get rid of these problems? Thank you in advance!
 

citay

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Can you please list the exact RAM and PSU models.

The BIOS of the 600-series boards is known for many XMP-related problems which are still not fully resolved. I could've told you from the start that replacing the CPU or RAM wouldn't lead to much, at least if the RAM is a popular model and not something obscure.

The solution can sometimes be to downgrade the BIOS, as paradox as it sounds. See here for example, https://forum-en.msi.com/index.php?threads/msi-pro-z690-p-ddr4-wont-let-me-use-xmp.373513/
 
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Here is my exact list of parts:

MOBO: MSI MAG B660 TOMAHAWK WIFI DDR4, Socket 1700
RAM: Crucial Ballistix Black 32GB DDR4 3200MHz CL16 Dual Channel (my current one)
Team Group T-FORCE DELTA TUF RGB 16GB (2x8GB) DDR4 3200MHz
ADATA XPG GAMMIX D10, 32GB (2x16GB) DDR4, 3200MHz CL16
PSU: Seasonic Focus GX, 80+ Gold, 650W





 

citay

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That RAM looks common and popular enough. PSU is good. Try do downgrade the BIOS to an earlier version, as suggested in the thread i linked. You might notice that XMP works better there.
I believe that this is almost exclusively a BIOS-related problem, meaning it cannot really be solved by replacing hardware.
 

doug.hogart153b02d9

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@citay, any chance this could be the ASMedia SATA controller problems, if so is there a workaround such as disabling ASMedia SATA controller in BIOS?
I assume the memory is inserted into the proper slots such as A2 & B2 explained on page V of the manual.
 

citay

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A2 and B2 is correct. ASMedia can cause problems, but usually just a BSOD in certain situations, haven't heard of the other problems you described. Plus you can't disable it anyway on B660, only on Z690, to my knowledge. On B660 there is a beta BIOS addressing the buggy ASMedia controller, but i don't think it will solve your problems. They seem like an unstable operation with XMP.
So you need to try the older BIOS versions, even though it may be a step down in other regards (sleep bugs for example), it might improve XMP stability, going by what other users report.
Otherwise you can also use the safe profile of DDR4-2666 for the time being, and wait for a future BIOS update which might solve everything.
 
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That RAM looks common and popular enough. PSU is good. Try do downgrade the BIOS to an earlier version, as suggested in the thread i linked. You might notice that XMP works better there.
I believe that this is almost exclusively a BIOS-related problem, meaning it cannot really be solved by replacing hardware.
what bios to update to?
I have the same problem.
I think it is because of the CPU connectors I only plugged in one eight-pin CPU cable because I don't have another eight-pin cable, but It could be the mobo or bios pls help

spec
CPU; i5 12400f
MOBO: MSI MAG B660 TOMAHAWK WIFI DDR4
GPU; zotac mini 1050ti (but soon 3060ti when the VGA cable comes for the GPU)
RAM; hyperx 16GB 3200 cl18 288pin
SSD; m.2 wb_blue sn570 1TB
PSU; 650 gold evga g2
 
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Aug 17, 2022
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Here is my exact list of parts:

MOBO: MSI MAG B660 TOMAHAWK WIFI DDR4, Socket 1700
RAM: Crucial Ballistix Black 32GB DDR4 3200MHz CL16 Dual Channel (my current one)
Team Group T-FORCE DELTA TUF RGB 16GB (2x8GB) DDR4 3200MHz
ADATA XPG GAMMIX D10, 32GB (2x16GB) DDR4, 3200MHz CL16
PSU: Seasonic Focus GX, 80+ Gold, 650W





i'm wondering if the bios thing fix it is, if so what version?
 
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Aug 17, 2022
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what bios to update to?
I have problem with xmp thing i can not do 3200mh
I think it is because of the CPU connectors I only plugged in one eight-pin CPU cable because I don't have another eight-pin cable, but It could be the mobo or bios pls help

spec
CPU; i5 12400f
MOBO: MSI MAG B660 TOMAHAWK WIFI DDR4
GPU; zotac mini 1050ti (but soon 3060ti when the VGA cable comes for the GPU)
RAM; hyperx 16GB 3200 cl18 288pin
SSD; m.2 wb_blue sn570 1TB
PSU; 650 gold evga g2
 

citay

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I think it is because of the CPU connectors I only plugged in one eight-pin CPU cable because I don't have another eight-pin cable, but It could be the mobo or bios pls help
No, that has nothing to do with it. If you have a quality PSU, which the G2 is, then there's nothing to worry. One 8-pin EPS12V cable onto CPU_PWR1 is enough. The two CPU_PWR headers connect together again on the PCB (printed circuit board) and feed the VRM (voltage regulator module) of the CPU. They are meant to spread the flow of electricity over two cables and plugs, which prevents the cables from heating up with extremely high CPU power draw (>300W), which won't be the case with your 12400F. Much more important than using one or two EPS12V cables is the actual quality (and age) of the PSU.

As for the BIOS version, i would only avoid the oldest, but you can try them from v21 onwards.
 
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No, that has nothing to do with it. If you have a quality PSU, which the G2 is, then there's nothing to worry. One 8-pin EPS12V cable onto CPU_PWR1 is enough. The two CPU_PWR headers connect together again on the PCB (printed circuit board) and feed the VRM (voltage regulator module) of the CPU. They are meant to spread the flow of electricity over two cables and plugs, which prevents the cables from heating up with extremely high CPU power draw (>300W), which won't be the case with your 12400F. Much more important than using one or two EPS12V cables is the actual quality (and age) of the PSU.

As for the BIOS version, i would only avoid the oldest, but you can try them from v21 onwards.
thank u, u are the best. I'm a PC noob can u send the link to the bios update I can not find it there are like vA6 and vA4 but I don't see a v12
 
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fatedust

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what bios to update to?
I have the same problem.
I think it is because of the CPU connectors I only plugged in one eight-pin CPU cable because I don't have another eight-pin cable, but It could be the mobo or bios pls help
Are you already on the latest BIOS 7D41v27?
What exactly is that HyperX memory? Can you take a picture of your memory sticker?

Why memory sticker?
 
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Are you already on the latest BIOS 7D41v27?
What exactly is that HyperX memory? Can you take a picture of your memory sticker?

Why memory sticker?
I updated the bios and still, i can not run my ram at the setting it supposed to (3200) do u have any advice?
 
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