A x1 PCIe card can be detected in pcie x16 slot?

PCIe x8 NIC in PCIe x16 slot slot pcie x16 In ASUS 「PCIe x16 Slots - 7」 slot whatsapp number Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

slot fly 3, you need to set the motherboard BIOS before use, the corresponding slot PCIE maximum connection speed to GEN3 1, PCIE X16 slot split 4 PCIEX4 (physical