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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Have you every figured this out? Stuck with the same issue and so far unwilling to buy four new RAM sticks...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Thanks for getting back to me. Yeah, i’m on F09 - when I set the Memory Clock Speed to 933 it’s simply ignored, when I set it to 1200 i stored that speed, but fails to POST EDIT: I can't get the 4 Hynix 32 GB HMA84GR7MFR4N-UH sticks to accept a clock speed of 1866T. Can anyone recommend a cheap...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Where did you enable POR? I cannot find that setting. I'm having a hard time getting my system stable with four sticks of Hynix 32 GB HMA84GR7MFR4N-UH DDR4-2400. It won't set itself to 933MT nor would it would with manually setting 1200MT or 933MT. It works better with three sticks, but even...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Got it to work now. The problem was most likely that I attached the PWM fans to the wrong headers of my fan controller, where only one set if pins returns tacho signal to the Motherboard. And the other one was a broken bable I had to re-solder :)
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Hi @PeterF, I ran through this procedure and thought I had now the two additional fan sensors ready, but it seems it failed, and I still lack control over any fan but CPU. Is there a method to enable fan control through BIOS modification? Otherwise, I need to try again with the serial dongle...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Or you can go the flashrom route and flash your dump: https://forums.servethehome.com/index.php?threads/gigabyte-mj11-ec1-epyc-3151-mystery.41395/post-408012
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I had it once. Could not reproduce it
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I can also report success. I followed this idea and altered a 6-Pin Micro Fit to 6-Pin Mini Fit Jr cable and stuffed the leads into the corresponding ports in the ram-koenig ATX adapter. Since I don't have the proper Mini Fit Jr pins, I...made....others..."fit". Hot glue is in use. But I will...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    My favorite idea, right now, is garnishing an SATA Power to 6-pin PCI-E adapter with adapted leads to deliver the required power. SATA Power offers us +3.3v, +12v and GND. I have an adapter on the way which converts a micro-fit 3.0 plug into a PCI-E 6-pin socket...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    The factory sent me this image to explain the pinout. It is NOT default 6-pin PCI-E, which is 3x 12v and 3x GND. So beware, when connecting a molex or GPU 6-pin power connector. I think it would fry the adapter. It looks like one has to introduce resistors or buck converters to lower 12v to...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Ha, that look slike a nice find and pin compatible. Wondering if the pinout is the same. on ebay you can find the 6pin to 6pin for 7 EUR
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Two of those arrived today and I'm facing an issue: No idea how to deliver power to them. I believed it would be a 6-PIN GPU plug, but the pitch is smaller. Anybody an idea, what kind of connector this is? EDIT: Looks like "Molex Micro-Fit 3.0" - which I sadly find very few to be easily available
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I tried the following combination to use a NVIDIA Tesla P4 with a Proxmox node, but it didn't work. Both with the stock and the F02 BIOS. It was an attempt to use the 4i SlimSAS socket with an Oculink Adapter https://www.amazon.de/-/en/dp/B0BLJPX9DF https://www.amazon.de/-/en/dp/B0BP254X7N...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    tots is. for me this is less a question of cash to use ratio but more about having a vgpu transcoding and shared retro gaming box. for science. almost all parts are more than the board, if you go for 64 gb ecc ram and so forth
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I have that one. These clones of cpayne boards don’t appear to work with this board. So waste of money
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    That reads very promising. Sadly, that adapter is not shipping to Germany (or all of Europe?) from Aliexpress and I wasn't able to find it via quick search on alibaba. Is there a stated power limit? Other adaptors take a GPU 4 PIN Molex power input, maybe Molex to SATA Power could help...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    Regarding SlimSAS i8 to PCI-e adapter, the following adapter is now available for customers in the EU. I plan to order two to Germany, since shipping is quite expensive. Not sure it it will work, but so far all cables and BIOS versions did not work with my dual x8 PCI-e adapter...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I have tested the cable which was used with these boards as well as an asus one. did not work. i will measure the resistance of both later tonight
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    The linked adapter is currently not shipping to Europe due to missing EPR. I’m in contact with the seller on alibaba and aliexpress and they are working on a solution. These seem the best bet so far. I was also thinking about soldering a second connector and thought about either hot air gun or...
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    Gigabyte MJ11-EC1 EPYC 3151 Mystery

    I was struggling to flash back my dump as well, but flashrom came to the rescue. I was able to boot into Proxmox, run the tool, create a backup of the F02 Bios and flash back the untouched dump I create in the BMC WebGui You need the newest version, which you have to compile yourself. These...