it seems that the problem was in the additional power supply 8-pin for bifurcation riser 8x8, I just forgot to connect it) and apparently because of this there was a burnout of the first three pins on the motherboard slot PCIE x16 and bifurcation riser or it can not be? the most interesting...
Hello, I have bifurcation riser 8x8 and asrock x399 taichi motherboard, BIOS version 3.8, in this BIOS version there is an opportunity to switch to x8x8 mode, but the problem is that one video card works on x8 and the other one falls into pcie 2.0 x1, while x4x4 mode works great, How to solve...
Hello, has anyone had experience using this motherboard ASRock X399 PHANTOM GAMING 6 https://www.asrock.com/MB/AMD/X399%20Phantom%20Gaming%206/ will x8x8 risers work on it