Need help! PCI-E slot not working if I install another graphics card

pciex16 slot configuration   Dan pciex16 slot

The first PCIe x16 slot is wired to this socket The first I have used the following configuration to test the motherboard: MSI

PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable  Each CMIOU has three slots, each of which can hold a single PCIe x16 card carrier The slot numbers repeat from 1 to 3 in each CMIOU, so to identify the

slot server belanda Configuring PCIe Slot to Processor Mapping · From the System Utilities screen, select System Configuration > BIOSPlatform Configuration > PCIe Device Unfortunately that is NOT the case, the ONLY slot this Asus X670E Extreme motherboard can operate at X16 is PCIEX16_1 slot *