ASUS Z97 Pro Gamer - First PCI-E x1 Slot w NVMe

Will a PCI-E 1x slot accept traditional PCI cards ? pciex1_1 slot socket right above the PCIEX16 slot 1, I have the graphics card in PCIEX16_1 slot, and sound card in the PCIEX1_2 slot PCIEx1_1, PCIEX1_3, PCIEX16_2 and 786 slot * The PCIEX1_1 slot shares bandwidth with the connector When the PCIEX1_1 slot is populated, the connector supports up to PCIe x2 SSD only 4 x

pyqt slot Pciex1_1 slot not working Whatever card I put in there, I get a blackscreen after boot up and have to force shutdown the system I have googled all week