Gigabyte MZ31-Ar0 No Display/POST

Discussion in 'Processors and Motherboards' started by ProfKenobi, May 16, 2019.

  1. ProfKenobi

    ProfKenobi New Member

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    I'm a complete newbie at most of this stuff, so I apologize if I missed something obvious, but I'm hoping to get some help with my build:

    Gigabyte MZ31-AR0
    EPYC 7401P
    4x16GB Gskill F4-2400C16Q
    Seasonic Focus+ Gold 850 PSU

    I'm getting no display or beep or response of any kind when I power on the board. (Aside from fans and LEDs). The BMC LED comes on for ~20s, then starts flashing (indicating "ready"). Other than that, I can't seem to get any POST or display (via VGA).

    Thanks for the help!
     
    #1
  2. MikePippin

    MikePippin New Member

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    Im having a similar issue, did you ever get it resolved?
     
    #2
  3. Jeggs101

    Jeggs101 Well-Known Member

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    I'd start by using RDIMMs not consumer memory
     
    #3
  4. ProfKenobi

    ProfKenobi New Member

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    It was the RAM. Make sure you’re using ECC RAM of the right speed.
     
    #4
  5. james2019

    james2019 New Member

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    Is this issue resolved, I have also had a problem with using a couple of non-ECC consumer memory, I thought the ECC is optional right? but it seems from the above reply, we SHOULD use ECC memory?
     
    #5
  6. ProfKenobi

    ProfKenobi New Member

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    Yes. You must use ECC RAM with this motherboard.
     
    #6
  7. alex_stief

    alex_stief Active Member

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    More importantly: use RDIMM, not UDIMM.
    From the spec sheet alone I would conclude that ECC UDIMM is not supported.
     
    #7
  8. james2019

    james2019 New Member

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    Tested, this motherboard did only accept ECC memory
     
    #8
  9. alex_stief

    alex_stief Active Member

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    So UDIMMs work?
     
    #9
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