Thats not PCIe x1, thats PCI (old slot), this is not suitable for your mainboard, as it doesn't have PCI. You may use semthing like that :http://img.notebooksbilliger.de/images/products/140000/143603/middleIntel_Gigabit_CT_Desktop_Adapter_Bulk_EXPI9301CTBLK.jpg
But you have to check the...