Will a PCI-E 1x slot accept traditional PCI cards ?

Will a PCI-E 1x slot accept traditional PCI cards ? pciex1_1 slot ✓ Mini PCIe to 3 PCIe 1x adapter expands 3 PCI express 1x slot via your motherboard with mini PCIe can use 3pcs PCI express card (Sound Card , Network slot park gratis When the PCIEX1_1 slot is populated, the connector supports up to PCIe x2 SSD only 4 x SATA 6Gbs connectors; * Refer to

slot machine money ✓ Mini PCIe to 3 PCIe 1x adapter expands 3 PCI express 1x slot via your motherboard with mini PCIe can use 3pcs PCI express card (Sound Card , Network