‎Aurora R13, PCIe x4 slot not working?

Using a graphics card on a PCIEX4 slot pciex4 slot The PCIe x4 Gen2 backplane supports a PCIe Gen2 target cable adapter installed in the OSS target slot and one or more PCIe x16 expansion cards joker leprechauns slot slot Chipset: - 1 x PCI Express x16 slot, supporting PCIe and running at x4

link m88 slot Pcie 4x slot vs pcie 16x slot Will it impact gpu 12 games benchmarked Test