MSI MPG X670E CARBON WIFI - PCIe slot no longer works after BIOS update

ndepoe159002db

ndepoe159002db

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Nov 11, 2022
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Hi,

At the launch of AM5 I purchased an MSI MPG X670E CARBON WIFI for myself along with a Ryzen 7 7700X and 2x 32 GB DDR5-5600 RAM. For the first few months it has been running pretty smoothly with no major issues.

However last weekend I decided to update the BIOS to the latest version (7D70v12) and while it offers some nice quality-of-life improvements, it did also introduce one major issue for me. In PCIe slots 2 and 3, I have installed two capture cards: an Elgato Game Capture 4K60 Pro MK.2 and an Elgato Game Capture HD60 Pro, respectively. I use these side-by-side for different purposes. After the BIOS update, the HD60 Pro capture card in the PCI_E3 slot from the Chipset is no longer being detected by Windows. There are no errors, no unknown devices in Device Manager, it's like the card isn't there at all.

I've already tried various things: updating drivers for the motherboard including the Chipset drivers, installing the latest drivers and software for the capture cards, updating Windows 10 to the latest version and installing all optional updates. I also reset the BIOS settings to the defaults and checked with that. None of those things solved the problem. At this point I'm very sure it's not a software or settings problem.

To eliminate the possibility of a failure with the capture card itself, I also swapped around the cards around so that the HD60 Pro is in the PCI_E2 slot. And sure enough: now the HD60 Pro is being detected again while the 4K60 Pro card is no longer visible in Windows. So I'm very certain that the problem is with the PCI_E3 slot (the only slot to come from the Chipset and not from the CPU) and it cannot be a coincidence that the problem appeared immediately after updating the BIOS. My guess is that this BIOS version introduced a bug in the Chipset firmware that causes the attached PCIe slot to fail initialization.

I would like to downgrade the BIOS again to the version that came preinstalled on the motherboard (version 110) just to see if that solves the problem, but that version does not appear to be available for download anywhere.

P.S.: I also noticed that after the BIOS update, the Sleep option disappeared in Windows. This bug is already covered and acknowledged in a different thread on this forum and I've confirmed that disabling A-XMP in the BIOS makes the Sleep option reappear, so this seems to be unrelated to my PCIe slot issue described above.
 
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walkman said:
Can you post your boot time of pc?
Click to expand...

Memory Context Restore is enabled.
1704669696351.png
 
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Hello, is there any combination of 2x32 RAM and M.2 with this motherboard and the 7950x3D that works well without problems and with fast boot? I want to buy this motherboard because I really like its features, but seeing so many problems on this forum is making me reconsider. Thank you.
 
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xares153702d5 said:
Hello, is there any combination of 2x32 RAM and M.2 with this motherboard and the 7950x3D that works well without problems and with fast boot? I want to buy this motherboard because I really like its features, but seeing so many problems on this forum is making me reconsider. Thank you.
Click to expand...
I have the board, a 7950x3D, G.Skill 2x32 F5-6000J3040G32GX2-TZ5NR, and a 2TB Firecuda 530, 4TB SN850x. On BIOS version 7D70v18. EXPO enabled, tightened all the timings further, bumped up the memory to 6200, CO set for CPU, etc. Everything is rock solid, took almost 2 weeks to get through all the stability testing and tweaking, but the plus is no issues whatsoever once in Windows.

with fast boot
Click to expand...
This part is the problem. With MCR enabled, boot takes around 16-17 seconds, 80% of the time. Not fast by any means, but considering DDR5 training times on AMD, acceptable at least. 10% of the time it does a training run, 70 seconds or so. You'd hope it would not have to do it that often, but it is what it is. The issue is that even with every setting in the BIOS tuned to increase training time, when it does happen, for more stability, about 10% of the time coming out of a cold boot/hibernate, the system doesn't post, hangs on an Ab error code, and it takes two CMOS clears to get back to the BIOS.

If the default training settings are left on, that failure rate jumps probably to 20-25%. Since I don't want to be guessing if my system will post everytime I wake it up, I have MCR disabled, and instead wait the 70 seconds or so for training each time. In the grand scheme of things, not the end of the world, but still a bit ridiculous to be having to do. If that one issue was just addressed, to at least go to training in those cases instead of locking up, I wouldn't be looking for any new BIOS revisions, would be very happy with things overall. As it is, still hoping something comes out that fixes it, doesn't introduce any new issues.

So to summarize, for me at least, the above configuration works very well, apart from the training time.
 
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xares153702d5 said:
Hello, is there any combination of 2x32 RAM and M.2 with this motherboard and the 7950x3D that works well without problems and with fast boot? I want to buy this motherboard because I really like its features, but seeing so many problems on this forum is making me reconsider. Thank you.
Click to expand...
Is stable on BIOS 1.0.0.7c

AMD Ryzen 5 7600X
MSI MPG X670E CARBON WIFI
BIOS MS-7D70v17 AGESA 1.0.0.7a
RAM 64 GB Corsair VENGEANCE 16GBx4
P/N: CMH32GX5M2B6000Z30
Timings 30-36-36-76-112
GeForce RTX™ 4090 GAMING X TRIO 24G
PSU MSI MPG A1000G
Drives For OS and Games
MSI M480 1TB x4
 
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sentientnode said:
I have the board, a 7950x3D, G.Skill 2x32 F5-6000J3040G32GX2-TZ5NR, and a 2TB Firecuda 530, 4TB SN850x. On BIOS version 7D70v18. EXPO enabled, tightened all the timings further, bumped up the memory to 6200, CO set for CPU, etc. Everything is rock solid, took almost 2 weeks to get through all the stability testing and tweaking, but the plus is no issues whatsoever once in Windows.


This part is the problem. With MCR enabled, boot takes around 16-17 seconds, 80% of the time. Not fast by any means, but considering DDR5 training times on AMD, acceptable at least. 10% of the time it does a training run, 70 seconds or so. You'd hope it would not have to do it that often, but it is what it is. The issue is that even with every setting in the BIOS tuned to increase training time, when it does happen, for more stability, about 10% of the time coming out of a cold boot/hibernate, the system doesn't post, hangs on an Ab error code, and it takes two CMOS clears to get back to the BIOS.

If the default training settings are left on, that failure rate jumps probably to 20-25%. Since I don't want to be guessing if my system will post everytime I wake it up, I have MCR disabled, and instead wait the 70 seconds or so for training each time. In the grand scheme of things, not the end of the world, but still a bit ridiculous to be having to do. If that one issue was just addressed, to at least go to training in those cases instead of locking up, I wouldn't be looking for any new BIOS revisions, would be very happy with things overall. As it is, still hoping something comes out that fixes it, doesn't introduce any new issues.

So to summarize, for me at least, the above configuration works very well, apart from the training time.
Click to expand...
Alan J T said:
Is stable on BIOS 1.0.0.7c

AMD Ryzen 5 7600X
MSI MPG X670E CARBON WIFI
BIOS MS-7D70v17 AGESA 1.0.0.7a
RAM 64 GB Corsair VENGEANCE 16GBx4
P/N: CMH32GX5M2B6000Z30
Timings 30-36-36-76-112
GeForce RTX™ 4090 GAMING X TRIO 24G
PSU MSI MPG A1000G
Drives For OS and Games
MSI M480 1TB x4
Click to expand...
Thank you both. Do you know if the issues with fast boot activated occur with all MSI motherboards? It's somewhat concerning that this hasn't been resolved after more than a year. Fast boot isn't the most important feature I'm looking for in a motherboard, but I would be annoyed if it boots significantly slower than my current old PC. From what I see on forums like Reddit, other brands have already resolved the fast boot issue.
 
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xares153702d5 said:
Thank you both. Do you know if the issues with fast boot activated occur with all MSI motherboards? It's somewhat concerning that this hasn't been resolved after more than a year. Fast boot isn't the most important feature I'm looking for in a motherboard, but I would be annoyed if it boots significantly slower than my current old PC. From what I see on forums like Reddit, other brands have already resolved the fast boot issue.
Click to expand...
Current AM5 is slow to boot compared to AM4 or Intel system with SSD fitted
 
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so, im having the same problem as the dude who originally started the thread, i even updated to the most recent bios for the motherboard 7D70v1E1(Beta version) , and still my 3rd pcie slot doesn't work
if you require my specifications, they are

[CPU] AMD RYZEN™ 9 7950X
[GPU] MSI SUPRIM X RTX 3090 TI
[RAM] CORSAIR DOMINATOR PLATINUM RGB 64 GB (4 x 16 GB) DDR5 6000 MHz
[MOBO] MSI MPG X670E Carbon WIFI
[CPU Cooler] Corsair iCUE H150i ELITE LCD XT Liquid CPU Cooler
[PSU] Corsair HX1500I (1500W)
[Case] Corsair 5000D
[SDD (Windows)] Crucial P5 Plus 1TB NVME PCIE 4.0
[SDD 2] Western Digital Black sn750 500GB NVME PCIE 3.0
[SDD 3] Samsung Sata EVO 860 250GB
[SDD 4] Western Digital Sata Blue 500GB
[USB 3 CARD] Sedna PCIE 4 Port (NEC/Renesas uPD720201 chipset) The one that is not being detected in the 3rd slot
[OS] Windows 11 Pro
 
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With the current BIOS 1.E1 I also had the experience that in Windows 11 my PCI card was not recognized in port PCI_3 on "default" setting. But if I change the BIOS to PCI 8-0-4, it works. but my graphics card needs 16x.
Any advice how to solve this issue?
 
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MichaelLehne157202db said:
With the current BIOS 1.E1 I also had the experience that in Windows 11 my PCI card was not recognized in port PCI_3 on "default" setting. But if I change the BIOS to PCI 8-0-4, it works. but my graphics card needs 16x.
Any advice how to solve this issue?
Click to expand...
Yep, don't use that Bios roll back to previous Bios
 
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frieren said:
Just for anyone who may have a similar problem; it turns out it wasn't a specific M2 SSD brand problem, but a SATA SSD instead. When no SATA SSDs are connected everything works just like it should - super stable and smooth. Also, boot times are great!
Click to expand...
Sorry would have to Disagree
Not when I have Six Sata-lll drives and Four M.2

The Lexar SSD is in M.2_2

1705887998799.png
 
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