Mojove Installation Yields No Video Signal

[CreepAngel]

Hello everyone, I have a MacPro to which I have updated the firmware from 4.1> 5.1 I have tried 3 different video cards but no me video signal output, both HDMI and DVI, I tried with r9 380, gtx 1050, gtx 980 both cards do not give signal output video, either with High Sierra or with Mojave, someone can give me an explanation ??

the Pascal series remembered was compatible or am I wrong ??

sorry for ma bad english

 

[Stork]

I recommend you post in the MacRumor's Mac Pro forum > https://forums.macrumors.com/forums/mac-pro.1/

You'll need to install Mojave with a graphics card that has the Mac EFI ROM.