What is a PCI Slot?

Z690 Carbon, Problem with First Pcie x16 slot pci e slot Well-known member looking at your image the GPU is not even fully into the slot at all its sat with all the PCI-E Card Edge out the slot pcie x4 in x16 slot UPDATE I reinstalled the BIOS a 2nd time and now the card works maybe I had a bad flash View solution in original post

pcie training error slot 1 The PCI-X standard was developed between the PCI and PCIe standards PCI cards may be compatible, depending on the keying found