POST De Bug LED activity - ACE MB

450564150e02cc

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Oct 26, 2020
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Hi all,

I just installed an MSI ACE motherboard. Everything is fine except that the alphanumeric De Bug LED activity AFTER post to W10 remains active (31, 35, 36, 37, 32, 39, 40, 41 ETC keep cycling randomly). The four single LEDS by the 24 pin power are all OFF after post to windows. Memory light is on and the built-in W10 windows memory test shows no errors. Is the two digit alphanumeric LED activity after post normal? My take is that it uis as all seems fine, but I'm curious why there is no documentation on how the display work pre AND after post.

I ended up with the ACE after the desired Tomahawk was unavailable. So far, I do enjoy this BM's features. I'll admit the PCIe 4.0, wi-fi 6 and 2.5 G Ethernet are way ahead of my network right now. I did get a Sabrent rocket 1TB NVMe boot SSD drive to try to get something "new" and improved. The chipset fan NEVER runs, probably because the PCIe 4.0 SSD is on the CPU lanes, not the X570 chipset and the chipset is using PCIe 3.0 speed SSDS so it is loafing.

My AS Rock X470 Taichi was killed by a bad memory stick and no way to flash back the BIOS. I made sure that the replacement has BIOS flash back! I've used a MSI P55 GD-80 before and it was a terrific MB, so I came back to MSI. No complaints except the board is way better than I need right now. Maybe when GPU's leverage PCIe 4.0 I'll be happy!

Thank you
 

badboy2k

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after the PC has Posted the Debug LED Display switches to Reporting the CPU temperature that is what it is showing.
 

450564150e02cc

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Good grief ANOTHER feature. I could not find that info since I was looking in the MEMORY section as that's what the "error" codes were looking like. I guess my cooler is working OK as the numbers have never gone much above 45-55 range playing RDR2. I use a 3800X with a Noctua NH D5 dual tower cooler with two fans.

Thanks so much!
 

badboy2k

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Feb 11, 2012
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Good grief ANOTHER feature. I could not find that info since I was looking in the MEMORY section as that's what the "error" codes were looking like. I guess my cooler is working OK as the numbers have never gone much above 45-55 range playing RDR2. I use a 3800X with a Noctua NH D5 dual tower cooler with two fans.

Thanks so much!
most MSI Boards have done that for the last 10 Years that have one of them displays on it as after Post its not doing anything so they make it switch to something useful instead so the CPU temp and as its been around so long they think most people will know by now but some people have just had plain boards without one so people ask about that alot.

and your welcome as it is something they do not say it actually does so can be confusing if you do not know.
 
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