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Booting with Z790 Asus Motherboard with 64G of memory not working #327

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meaganmargaret opened this issue Feb 4, 2025 · 14 comments
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@meaganmargaret
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Can't boot as the system used can seem to read the memory in my Z790 motherboard. I had this issue with an older version of Linux Mint, but newer versions (v22) can read my memory just fine. Any workarounds for this? Some setting somewhere?

@PartialVolume
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What's the error message?

@meaganmargaret
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meaganmargaret commented Feb 4, 2025 via email

@PartialVolume
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Do you have XMP enabled?

@meaganmargaret
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meaganmargaret commented Feb 4, 2025 via email

@PartialVolume
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I would temporarily disable XMP and see if it then works. I could be overclocking the memory is making it intermittently unstable depending upon your RAM type.

@meaganmargaret
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meaganmargaret commented Feb 4, 2025 via email

@PartialVolume
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Have you run memtest86 to check for bad memory?

@Firminator
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Sounds like grub is running out of memory due.
Adding GRUB_GFXMODE=800x600 is supposed to fix it (that would be needed to be added to the ShredOS grub commandline; see how @ https://github.com/PartialVolume/shredos.x86_64?tab=readme-ov-file#how-to-edit-the-shredos-efibootgrubcfg-and-bootgrubgrubcfg-files-when-using-ventoy-with-shredos-img-files )
Do you have discrete video or use the GPU in CPU?

@meaganmargaret
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meaganmargaret commented Feb 4, 2025 via email

@meaganmargaret
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meaganmargaret commented Feb 5, 2025 via email

@PartialVolume
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PartialVolume commented Feb 5, 2025

There may be insufficient memory because you have a large amount of memory being reserved in your bios settings for the video card. This may be reducing the amount of space in the first 4GB that's used to load ShredOS. ShredOS probably occupies more space than those other OS, due to its virtual RAM disc that contains the entire OS.

So if there is a setting in the bios for adjusting the amount of memory allocated to graphics, then reducing it may fix the problem.

I've not seen this on any of my test systems, even the gaming laptop (12th Gen I7-12700H) but maybe you have a high end GPU.

@PartialVolume
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PartialVolume commented Feb 5, 2025

https://community.intel.com/t5/Blogs/Tech-Innovation/Client/Intel-Core-13th-and-14th-Gen-Desktop-Instability-Root-Cause/post/1633446#M40

Interesting, I've never known a CPU degrade over time. Apparently one of the symptoms can be out of memory errors. It apparently occurs under elevated voltage and temperature settings. This problem may be corrected by a Intel microcode upgrade or a replacement processor from Intel.

For all Intel® Core™ 13th/14th Gen desktop processor users: the 0x12B microcode update must be loaded via BIOS update and has been distributed to system and motherboard manufacturers to incorporate into their BIOS.

Anyway, as the op isn't interested in looking into this further, I'm closing this as 'out of memory' seems to crop up quite a lot on these motherboards for all operating systems.

@PartialVolume
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This makes quite a read https://www.pcgamer.com/hardware/processors/intel-cpu-crashes-what-you-need-to-knowmicrocode-to-blame-but-fix-incoming-this-month-alongside-two-year-extended-warranty/

There seems to be upteen different ways the processor is failing, under load and at idle due to incorrect voltage requests and certain motherboard manufacturers that don't stick to lower voltages 1.4v. Apparently not just gaming rigs but some servers are also seeing this problem.

I think I'll be sticking to my 12th gen Intel for a few more years. If there's one thing I hate, it's flaky unreliable hardware.

@PartialVolume
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PartialVolume commented Feb 5, 2025

@meaganmargaret One last question, as I'm still curious about this problem, are you running one of these processors?

Image

and as gigabyte released the Intel 0x12b microcode update in their bios update, has that been done? The concerning thing with this CPU is that once you have experienced this instability in the past, the incorrect voltages being supplied to the chip have already degraded it, so the update is really for brand new chips, hence why Intel extended the warranty by 2 years.

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