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    Chelsio t520-so-cr on A2SDi-4C-HLN4F

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    • P Offline
      posto587
      last edited by

      Hi,
      we are seeing problems with the T520 on Supermicro A2SDi-4C-HLN4F.
      The card is detected in 1 of 4 bootups.

      Bios updated on newest version.

      Any suggestions?

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      • stephenw10S Offline
        stephenw10 Netgate Administrator
        last edited by

        Like the driver doesn't attach or it isn't reported by pciconf?

        Does it show in the BIOS at all in either situation?

        Steve

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        • P Offline
          posto587
          last edited by posto587

          Probably found the issue:

          There is a bios setting which changes the PCIe from x2 to x4 (while disabling SATA ports).

          Advanced >> Chipset Configuration >> South Bridge Configuration >>Flexible I/O Selection (default is [PCIe x 2/Mini SAS/SATA(1:0)])

          Changing this to PCIe x4 seems to resolve the issue.

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          • stephenw10S Offline
            stephenw10 Netgate Administrator
            last edited by

            Ah, nice find!

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