[Request ]Asrock x79 Extreme11 PCIE bifurcation

BIOS/UEFI Modding BIOS Modding Guides and Problems
2

Very time-consuming task… get some reading and conduct your own tests
Only if you have the knowledge to perform a full SPI backup, know how to recover the system and be prepared for a lots of try outs and failures…

[Guide] - How to Bifurcate a PCI-E slot - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)

[Guide] PCIe Bifurcation - mapping IIO/IOU to PCIe slot - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)

[Guide] How to flash a modded AMI UEFI BIOS - BIOS/UEFI Modding / BIOS Modding Guides and Problems - Win-Raid Forum (level1techs.com)