Could I ask one more thing if doesn't bother you?
Is there a way to choose in the bios which GPU use for Display output?
Because, If I turn on the system with my monitor connected to the bottom GPU, the image is not appearing.
If I use the top one, it works. I am planning to add a third GPU, rise the bottom titan in the middle.
And because the new bottom one will be x16 routed, I want to display out from it!
 
Thanks a lot!

bcavnaugh

simplyfabio
Could I ask one more thing if doesn't bother you?
Is there a way to choose in the bios which GPU use for Display output?
Because, If I turn on the system with my monitor connected to the bottom GPU, the image is not appearing.
If I use the top one, it works. I am planning to add a third GPU, rise the bottom titan in the middle.
And because the new bottom one will be x16 routed, I want to display out from it!
 
Thanks a lot!

You do not do this in the Bios but in the NVIDIA Control Panel.
Still you will need to move the VGA Cable back the top GPU to see the Bios, no work around.
You should create your own Thread for questions you have about your own X299 MB

Thanks a lot! Well, asking is free, and can help a lot of other people!