Are UAD-2 cards supported on PCIe x4 or x16 slots?

By you sticking a UAD-2 card into the second slot, the motherboard detects this and automatically throttles the first slot down to 8x assuming you have stuck in

when you inserted the card in the top pcie 16 slot did it click in place? also what does the gpu info page in the bios say page 130 of the

pcie training error slot 1 A PCIe or PCI express slot is the point To maximize efficiency, high-performance devices tend to rely on PCIe x16 almost exclusively

pcie x16 expansion slot The PCI Express x1 to x16 adapter accommodates low profile x2, x4, x8, x12 or x16 PCI Express cards, eliminating the cost and hassle of upgrading a PCIe card or