Need Help Bifurcation Support For Asrock E3C226D2I x16 to 4x4x4x4

Could anyone help I have asrock E3C226D2I there is no function to change to x4x4x4x4 I can see only one NVMe drive with Asus Hyper M.2 x16 card. Is there any guide to fix this, I try to follow guide from this link
[GUIDE] Adding Bifurcation Support to ASUS X79 UEFI BIOS
but cannot find the adrress pcie available.

This is bios link

Thank you in advance