ive a gigabyte z68m d2h, and since my motherboard doesnt recognize my new graphics card on the main pci slot , i changed it to the second pcie slot which is a x16 that works x4 , but when i enter the nvidia app and check the system info , it shows that my bus is a pci x1 gen 2, so what i want to know is, is there a way to change that bus to x16 or at least to x8 since its a pci x16 anyways. Thanks in advance