EU Gigabyte Mainboard MC12-LE0 Re1.0 AMD B550 AM4 Ryzen

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ribroc

ebay hardware hobbyist
Feb 16, 2022
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I understand this is an oddball use case, but does anyone know offhand how I can get this server board to work as a standard desktop? I continue to have an issue where the GPU is detected, and can be used, but the primary display is always the onboard console.
 

hirschma

New Member
Jan 4, 2025
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Has anyone had any success getting more than just CPU temp out of lm-sensors? If so, how?
I used this GitHub - PutinVladimir/zenpower3: Zenpower3 is a Linux kernel driver for reading temperature, voltage(SVI2), current(SVI2) and power(SVI2) for AMD Zen family CPUs, now with Zen 3 support! and it produces the following output at the command line:

$ sensors -A
zenpower-pci-00c3
SVI2_Core: 1.39 V
SVI2_SoC: 738.00 mV
Tdie: +25.0°C (high = +95.0°C)
Tctl: +25.0°C
SVI2_P_Core: 909.36 mW
SVI2_P_SoC: 1.52 W
SVI2_C_Core: 1.32 A
SVI2_C_SoC: 2.06 A

nvme-pci-0600
Composite: +37.9°C

nvme-pci-0700
Composite: +38.9°C

 
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RolloZ170

Well-Known Member
Apr 24, 2016
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I continue to have an issue where the GPU is detected, and can be used, but the primary display is always the onboard console.
only the onboard VGA(located inside the ASPEED BMC chip) can be seen over BMC/IPMI remote.
you can set the PCIe GPU to your primary in windows, disable the BMC adapter in the dev.manager.
 
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monotux

Member
Oct 23, 2019
62
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Kiruna, Sweden
www.monotux.tech
I understand this is an oddball use case, but does anyone know offhand how I can get this server board to work as a standard desktop? I continue to have an issue where the GPU is detected, and can be used, but the primary display is always the onboard console.
I’ve just disabled the bmc monitor after logging in to windows. Then my gpu works as expected.
 

legoxx

New Member
Jan 31, 2025
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first of all, I would like to thank everbody who posted in this forum, it helped me a lot in my build.

I am happy to report that following components are fully compatible and working great
- Gigabyte MC12 LE0 (with F18 bios)
- 2x 16gb Kingston - KSM26ED8/16HD - Server Premier (non registered ECC)
- Cooler Master G Gold 550 V2
- NOCTUA NH-L9a-AM4
- AMD ryzen 5 pro 4650g
- IBM X540-T2 Dual-Port 10Gb in x4 PCI slot
- ASUS HYPER M.2 x16 Gen 4 for 4xNVMe (noisy little bugger!)
- 4 x SSD disk Kingston FURY Renegade NVMe 4TB
- 4x some old seagate drives SATA
- UNRAID running from USB stick

couple of comments
- it takes quite a long to start the systems (minutes) without seeing any signals of life... I was affraid that RAM, CPU or MB is faulty
- BIOS upgrade is not easiest - wolfgang's great blog really helped Wolfgang's Blog
- at the end it costed much more than i expected and i'm willing to admit, even when sourcing from ebay.de
- ASUS HYPER M.2 is really noisy for living room enviroment, it's possible to turn off fan, i will give it a try and see how temperatures develop
- ASUS HYPER M.2 is also very long card, i'm still waiting for my sagitttarius 8 bay nas and crossing fingers it will fit

a question
my CPU is RENOIR with GPU and not supporting 4x4x4x4 only 8x4x4 bifurcation. Because of that, only 3 NVMe's are visible to the system in ASUS HYPER M.2
I am considering to switch to something like Ryzen 5 5600X to get full 4x4x4x4. I would still like to keep ECC support. And as there are no more free PCI slots (one slot is used by NIC and one by NVMe adapter) work without dedicated GPU (server will be accessed over BMC or http)

Or should I just keep configuration as is, have 2+1 NVMe's in unraid array, and 4th NVMe as a cache for SATA HDD array? (with a price and capacity of NVMe it seems quite an overkill and waste for me)

Last option would be to get another MB+CPU combo with more PCIe slots and integrated 10GBe NIC, but I would like to utilise existing investment as much as possible

thanks again
 
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AlexGee

Member
Aug 3, 2022
77
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I have a very similar setup in my server.

MC12-LE0
4650G
X710-DA2 NIC

I have a ASUS Hyper M.2 PCIe 3.0 & 4.0 here. The 3.0 is shorter than 4.0.

I decided to go with a cheap AliExpress adapter with 2x M.2 and one 8x slot on top.
4650G is only capable for PCIe 3.0 and the 8 lanes are totally sufficient for 10G NIC - works nicely with 8x4x4 bifurcation.

So I have one PCIe 4x slot available (16GB Optane M10 for TrueNAS Scale OS, 2x Optane P1600X 118GB for special vDev).
 
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legoxx

New Member
Jan 31, 2025
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thank you for your answer, do I understand correctly that you are running

aliexpress adapter (2x M2) with NIC in 16x port
and Optanes in 4x port (how are they connected to single port, and what is your use case for them?)

but no Asus Hyper actually connected?

my question still stands, will the board support 5600x with 4x4x4x4 without any additional GFX?

I have also found that there exists cards like HighPoint SSD7101A-1 (with PLX switch chip) that should be able to use 4x M.2 on 16x PCIe without bifurcation
 

AlexGee

Member
Aug 3, 2022
77
45
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The 5600X will work and you can use the IPMI for video output.

the 5600X allows for 4x4x4x4 bifurcation and PCIe 4.0 vs 4650G with 8x4x4 and PCIe 3.0. no PLX needed…

4650G has a little bit lower idle power consumption and allows for video transcoding ;Plex, Jellyfin,…)
 

Flecky

New Member
Feb 3, 2025
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Check the battery with a multimeter or just replace it, they are cheap. That sensor should as far as i know show the battery voltage, and these boards have been in storage for quite a while. My theory is that your board might be syncing bios settings with ipmi over and over again because there is no battery to remember the data between boots. There might be a message briefly before reboots that says something about syncing settings.

Not ruling out other stuff but this is a quick and easy fix :)
Hi have the same problem as osvii but I managed to get into the bios settings by reinstalling the F18 BIOS version.
I can also get into the boot menu and select my OS (Proxmox) but when I select anything in the GNU GRUB menu the system restarts.
Except the memory test wich is running right now.
Reinstalling the OS with a USB stick also triggers a restart.
 

smakkerlak

New Member
Aug 30, 2019
16
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Hi have the same problem as osvii but I managed to get into the bios settings by reinstalling the F18 BIOS version.
I can also get into the boot menu and select my OS (Proxmox) but when I select anything in the GNU GRUB menu the system restarts.
Except the memory test wich is running right now.
Reinstalling the OS with a USB stick also triggers a restart.
I had a very similar problem. For me, bios and memtest ran fine but anything else went to hard reset within a minute max. Problem was a defective cpu. Machine is running after replacing it. Test with another if you can.
 

Flecky

New Member
Feb 3, 2025
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I had a very similar problem. For me, bios and memtest ran fine but anything else went to hard reset within a minute max. Problem was a defective cpu. Machine is running after replacing it. Test with another if you can.
At the moment I have no other CPU I ordered a replacment but in the meantime I will try a older BIOS version and try another boot drive.
 

legoxx

New Member
Jan 31, 2025
4
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I'm running into troubles with Asus hyper m.2 v4. After populating all 4 positions with SSD disk Kingston FURY Renegade NVMe 4TB, last drive in m2_4 will randomly disapear from the system. Reset will fix it

zdrive will run happily for 1-2 days, and then one drive will disapear, frankly I'm not comfortable to put any data on it:(

First I supposed it's beacuse of temperature, but it happends when running at 35C as well:( When looking on the internet, it seems that it's common problem with this card, one suggestion is to set PCIE to PCIE3 but I think it's not possible with our MB. Any experiences?

thank you
 

denis_tmm

New Member
Jan 24, 2023
22
4
3
ASRock Rack B450D4U-V1LQ5
currently sold used for 40 EUR in germany.
B450 but ASPEED BMC.
Thanks for the hint. But this board has only support for the smaller CPUs:


In the end I will end up with a consumer board. The ASRock B550M PG Riptide. It has sufficient slots and 2.5G networking included. Sure no BMC but well in the end I don't care about it. I will use the 5655G (the new 5650G but with broad availability) on it so I don't need a GPU on the board.