GPU on PCIE 1x possible?

According to the spec sheet it does supports PCie 1 x PCIe x16 slot Source: Link above

With a physical x16 PCI Express female slot connector, the PCI-X to PCIe adapter card accepts all types of x16x8x4x1 physical PCI Express cards (maximum

1 slot rm8 free credit Identifying Different Types of PCIe Slots

191 slot Support 4 port high speed PCIe 1X card If you need multiple PCI-E x1 slots, it consists of two parts, one is the main card, which is installed on the