On 02/06/2018 22:03, Daniel Kulesz via coreboot wrote:
> Hi folks,
>
> maybe this is not really coreboot-related, but I am experiencing an issue
> with the KGPE-D16 that there seems to be no working constellation how the
> following three cards can be put into service:
>
> - nvidia GPU (PCIe 3 x16, takes 1 slot but occupies two)
> - ASUS hypercard (PCIe 3 x16, takes 1 slot, has four M.2 slot with PCIe x4
> each), see [1]
> - USB3 controller card (PCIe x4, takes 1 slot)
>
> No matter what I try, the hypercard is unable to detect more than two M.2
> ssds. And only in the following config:
>
> 1 (MIO): empty
> 2: GPU
> 3: (GPU)
> 4: Hypercard
> 5: empty
>
> When I put the USB3 card in 5, only one of the M.2 ssds on the hypercard is
> recognized. Therefore, I also tried swapping stuff in many combinations such
> as the following:
>
> 1: empty
> 2: Hypercard
> 3: empty
> 4: USB3
> 5: GPU
>
> But no matter what I do, there seems to be now way to get all three cards
> working simulaneously. Even with JUST the hypercard and nothing else it will
> only detect two of the three M.2 cards inserted. :/
>
> Seems like the vendor bios has the same issue. My plan now is to get a GPU
> that occupies only 1 slot and put the USB3 card next to it.
>
> Any help and clarifying explanations on this topic are warmly welcome.
>
> Cheers, Daniel
>
>
> [1] https://www.asus.com/Motherboard-Accessory/HYPER-M-2-X16-CARD/
>
It might need to be booted in UEFI mode to work, are you using tianocore
payload (the UEFI payload) in your coreboot firmware on that board?
-Alberto
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