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Just updated the BIOS of two Supermicro 1022G-URFs to R3.5. They've both the mainboard H8DGU-F with two onboard Intel 82576 NICs.

One of the two Supermicros doesn't have any visible NICs at all after this BIOS update. They are not even listed in the BIOS under network booting devices. So what've I already tried:

  1. Booting from an Ubuntu live CD with lspci | grep -i ethernet without any result (while this works on the working one).
  2. Updated the BIOS again with exactly the same image.
  3. Updated the IPMI to latest version.
  4. Kept the server off for like 10 minutes without luck (it was still connected to the power because the server is remote) will try to cut the power completely tomorrow.
  5. Changed some BIOS options like:
    • SR-IOV Supported: Enabled
    • Load Onboard LAN 1 Option Rom: Disabled
    • Load Onboard LAN 2 Option Rom: Disabled
    • IOMMU: Enabled

Some suggestions would be highly appreciated to get the two lost NICs back in the game.

Other possible fixes which I've not tried yet:

  1. Call Supermicro support.
  2. Search for separated NIC firmware.
  3. Follow this blog: http://blog.vodkamelone.de/archives/146-Unbricking-an-Intel-Pro1000-e1000-network-interface.html.
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  • I wonder if a separate firmware update could be required for the NIC?
    – DerfK
    Dec 5, 2014 at 23:19
  • Great question but I don't think so because there's nothing listed like that on the related Supermicro main board page. Dec 5, 2014 at 23:41
  • 4
    I'd call Supermicro support and describe your situation.
    – ewwhite
    Dec 6, 2014 at 0:24
  • 3
    Did you reset the BIOS? Settings between major versions can be incompatible sometimes so resetting everything to defaults can clear up some odd issues.
    – Brian
    Dec 6, 2014 at 3:03
  • Great suggestion Brian, loaded the "Fail-Safe Defaults" and after that it works! How could I even forget that! Thanks a million! Dec 6, 2014 at 7:36

2 Answers 2

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Final solution was resetting the BIOS settings to "Fail-Safe Defaults" as suggested by Brian.

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Have you loaded optimal default after BIOS update? I was told by a Supermicro Tech support that you must load Optimal default in BIOS after flashing BIOS. Apparently it is a part of required step.

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  • No I didn't as mentioned I only loaded "Fail-Safe Defaults". Dec 16, 2015 at 22:28
  • I tried loading the optimal default and it resolved my issue for me.
    – user327523
    Dec 17, 2015 at 0:45

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