RS5xxA-E12 P0 do not support PCIe X16
問題
RS5xxA-E12-Series: RS5xxA-E12 P0 do not support PCIe X16
解決方案
At RS5xxA-E12-Series BIOS Bifurcation setting.
P0 can support 2 M.2 devices and 1 x8 slot, but there is an x16 option shown (in fact, since the riser only supports x8, the displayed x16 is not actually supported).
