help with gigabyte MZ73-lm0 motherboard and genoa-x 2x 9684x help

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willysk73

New Member
Feb 26, 2025
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with only 1 cpu and 2 dimms of ram installed:

...

after that process and successfully returning to the BMC

update the board to latest bios,

after that process, select reset/reboot/power on from BMC
I finally managed to update the BMC firmware, but now I’m stuck on the BIOS update.

I have one CPU and two DIMMs of RAM installed (slots A0, G0), but even after going through the BIOS update process in BMC, the version remains unchanged.

I saw the loading bar just like I did during the BMC firmware update, and it even prompted me that a reset was required. I performed a cold reset, but still, nothing has changed.

I’m really frustrated at this point—has anyone encountered this before? Any suggestions on what I might be missing?
 

RolloZ170

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Apr 24, 2016
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I have one CPU and two DIMMs of RAM installed (slots A0, G0), but even after going through the BIOS update process in BMC, the version remains unchanged.
it needs successfull POST to update BIOS version in BMC inventory.
no POST = old data.
 

willysk73

New Member
Feb 26, 2025
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can you enter BIOS with CPU ?
No, I still can't get the machine to boot. There's no response when pressing the power button, and I also tried booting through BMC, but the result is the same—nothing happens. To access the BIOS, the system needs to boot first, correct? Any suggestions on what to check next?
 

Skillz

Member
Apr 16, 2018
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Are you waiting long enough for the POST?

It can take upwards of 20+ minutes to POST. The memory check/test takes forever even with just two dimms installed.

Also, make sure you install the dimms in the correct slots.

Go to 1 dimm if still having issues. Swap them if still having issues.
 

sam55todd

Active Member
May 11, 2023
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Perhaps it was mentioned previously (first post on this thread shows fully loaded MB) but as alternative to minimize potential impact of additional hardware validation (and possible failures) - it's best to remove all PCIe and USB devices, RAM (with one or two sticks remaining), second CPU - leaving bare minimum for a boot.
Once boot succeeds and new version of BIOS is promoted from Staging to Production area (commits as new working version) - then you can start adding back all removed hardware.

P.S. ohh, read your message saying approach of single CPU and two RAMs is already used, what about removing all other peripherals (PCIe/USB) and only doing update remotely (via IPMI LAN) ? Have you done BIOS reset to default settings (unless that's what you mean by "cold reset")?
In some cases even disabling additional functionality may help too (like disabling SATA, USB, LANs, some CPU features, forceful selection of slower memory speeds, etc.)

P.P.S. And yes, as @Skillz has pointed out - firmware updates can really take a long time, so leave it for 30+ mins and even perhaps for 1hr just to be safe. (first post after FW upgrades may also initialize an internal full hardware scan/validation which can take 10+ mins too, it's probably even better to install new light operating system to speed up the process of internal confirmation of BIOS success operation).
 
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willysk73

New Member
Feb 26, 2025
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Are you waiting long enough for the POST?
Yes, I waited for over an hour at POST and tried resetting the system more than three times, but nothing changed. One thing I’m curious about—does updating the BIOS actually affect whether the machine boots? Even if the BIOS version is outdated, shouldn't the system at least boot?

One strange thing I noticed is that I’m using Samsung RDIMM 5600MHz 64GB RAM, which appears to be compatible with the board. However, even though I only installed two RAM sticks in the correct DIMM slots, the BMC detects all RAM slots as populated, even with different manufacturers and different specifications.

If you need any additional details, pls let me know. I really appreciate your help.

1741183808348.png
 

Skillz

Member
Apr 16, 2018
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That's normal. BMC won't update the system info until a successful POST. So it's going to only show the information from the last successful POST.

Drop down to just one stick of RAM. If that one doesn't work, replace the RAM with another stick. Keep repeating that process until all RAM has been tested once.

If it still doesn't boot then it could be a number of issues, though the likely issue is RAM.

I've read and seen people have success using a single stick in other DIMM slots other than the recommended 1 stick config. So you could try 1 stick of RAM and rotate them around to each DIMM slots one at a time and try to post. It's a long shot, but I've seen it work once.

The other issue is the CPU not being mounted/seated properly. Reseat the CPU. Make sure to follow the correct tightening pattern as well as proper torque specs on them.

My first setup has bad memory. Both sticks in ordered were bad. Once I swapped them out with a new pair the system worked great.
 

Skillz

Member
Apr 16, 2018
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Oh, by the way. Genoa supports up to 4800 MHz RAM. This could be an issue if you're trying to boot with anything higher. I would get my hands on a stick of 4800 MHz RAM.
 

sam55todd

Active Member
May 11, 2023
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Oh, by the way. Genoa supports up to 4800 MHz RAM. This could be an issue if you're trying to boot with anything higher. I would get my hands on a stick of 4800 MHz RAM.
..(like disabling SATA, USB, LANs, some CPU features, forceful selection of slower memory speeds, etc.)...
Can you enter the BIOS and enforce slower RAM clocks (perhaps even from 4800 down to 4400)?
Or it won't even go to that stage? What's the post error code?
 

Skillz

Member
Apr 16, 2018
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If it's not POSTing then you're not going to be able to get to the BIOS setup menu to manually change the RAM frequency.
 

Skillz

Member
Apr 16, 2018
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Also keep in mind if you are trying to connect a monitor to a discrete GPU and not seeing anything then the issue could be that it's displaying output via the onboard BMC video port. You'll need to connect a monitor to that port and change the settings in the BIOS to output to the discrete GPU.
 

RolloZ170

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Apr 24, 2016
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Oh, by the way. Genoa supports up to 4800 MHz RAM. This could be an issue if you're trying to boot with anything higher. I would get my hands on a stick of 4800 MHz RAM.
as long as it is JEDEC, BIOS will take a profile the CPU supports.
 

willysk73

New Member
Feb 26, 2025
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Hey everyone,

I think I might have had an issue with my CPU installation. After reassembling my system, now it successfully boots up, thank you guys much. However, I’m now stuck on the “Please wait for chipset initialize” screen. Arghhhh

Here’s what I’ve tried so far:
• Updated BIOS to the latest version
• Reset and rebooted multiple times
• Tested different configurations:
1. 1 CPU, 1 RAM stick
2. 1 CPU, 2 RAM sticks
3. 1 CPU, full DIMM slots (12 RAM sticks)
4. 2 CPUs, 2 RAM sticks (1 DIMM per CPU)
5. 2 CPUs, full DIMM slots (24 RAM sticks)

I’ve verified that both the CPUs and RAM are on the QVL list. However, I’m seeing POST codes CE or CF.

One odd thing I noticed: BMC inventory only detects one CPU and one RAM stick—which was my initial successful boot setup. But now, even after changing configurations, BMC doesn’t update to reflect the actual hardware I’ve installed.

Any ideas on what could be causing this or what I should try next.....
 

RolloZ170

Well-Known Member
Apr 24, 2016
10,069
3,229
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germany
One odd thing I noticed: BMC inventory only detects one CPU and one RAM stick—which was my initial successful boot setup. But now, even after changing configurations, BMC doesn’t update to reflect the actual hardware I’ve installed.
updated after/by successfull POST. no POST = old inventory.