PCIe2 slot not working on Z77 Extreme4

PCIe2 slot not working on Z77 Extreme4 pcie2 slot Since this statement is referring to the two port model, I am wondering if the single port model will run at full speed in a x4 slot 3 koko 138 slot Since this statement is referring to the two port model, I am wondering if the single port model will run at full speed in a x4 slot 3

koko 138 slot Any board with a PCIe slot is going to have a CPU that would bottleneck the card more than the PCIe slot itself Even a low end older

monopoly slot free coins Placed in a single PCIe slot Supports the single lane PCIe bus interface Provides 512 MB DDR3 graphics memory Supports DVI or VGA I own Asrock 990 FX Extreme 3 and I'm sure I put graphic card in X16 slot,it's in PCIE2 slot But why is it running in X4 mode,and how to