[REQUEST] Add Pci-e Bifurcation on Asrock X79 Extreme4M

[BigMik]

Hello everyone, sorry for my English.
I would like to ask if anyone can enable PCIe bifurcation in the bios of an Asrock X79 Extreme4-M , I managed to activate the boot from nvme, but the bifurcation just can’t.

https://www.asrock.com/mb/intel/X79%20Extreme4-M/index.it.asp#BIOS

thanks for support
Greetings

[MeatWar]

Welcome to the forum, search the right “term” in the search box, plenty of guides and info to do it.
Else wait for a user offer.

[BigMik]

Hello and thanks, I followed these guides,

[Guide] Adding Bifurcation Support to ASUS X79 UEFI BIOS

Adding Bifurcation Support For ASUS X79 in UEFI BIOS Menu Primarily for use with riser cards that split PCIe slots into multiples without a PLX chip To avoid the cost of a PLX Riser card/PLX Multi M.2 (RAID) For this guide I used a P9X79 Motherboard, UEFI BIOS 4701 , and a Asus Hyper M.2 x16 Card some variables may be different on other boards. Warnings: Here be dragons. Bifurcation is tested with an a Hyper M.2 x16 Card with 2 Samsung 500GB 970 EVO’s installed on a x8 slot bifurcated to x4x…

Enablig PCIE bifurcation setting on bios - Asrock x79 Extreme11 Motherboard

Hi i’m new on this forum, nice to meet you[image] Recently i have updated my old pc with the asus hyper v2 card, with your guide i have successfull modded the bios file to support nvme boot. All is working great[image] Due to the specs of the motherboard, it supports 4 pcie@x16 thanks to the 2 plx switch. inside the bios file i have founded an explict referiment to the pcie bifurcation and splitting system… is here but not showed in bios settings. [bios1.gif] This is the only things show…

but I was unable to activate the items in the menu, I will keep trying hoping not to break the mobo

Thank you