What are PCIe x1 Slots Used For?

The same cards when tested 1 by 1 on the 2nd PCI-E x16 slot works absolutely fine Also CFX is working fine on the 2 PCI-E x8 slots The CPU and board are

1 Peripheral Component Interconnect : PCI is a computer bus to connect the hardware devices in a computer system · 2 Peripheral

pcie x16 expansion slot The following table shows PCIe slot compatibility Table 1 PCIe slot compatibility 1x slot, 4x slot, 8x slot, 16x slot 1x adapter, Supported, Supported

pcie 4 m2 in pcie 3 slot PCI slot 3 supports a 24-lane PCI bus This bus can be bifurcated using the slot 3 PCI cable assembly into 1 Gen3 x16 slot and 1 Gen3 x8 slot The Gen3 x8 slot