I have the same issue, cant get more than 4 cards to work on the ASUS H270 Plus. The 4 1x PCI slots are working but soon as I try and hook into one of the 16x thats where it stops. I can see the 5th card in device manager but has the orange triangle around it.
I'm to the point where I'm looking at returning this MOBO and going with something else. Shouldnt be this hard.
Topic: Asus H270-Plus 6 cards (How to vidio) (Read 4288 times)
No need for Gen 1, tested with 5 cards.
So I have been trying for several days to get my Asus Mobo to work with 5 RX470's to no avail... I just found this video on Youtube and within 10 minutes I was up and running. Figured I would drop it here for anyone else who needs help!
https://www.youtube.com/watch?v=Z1FnEYI25z0
https://www.youtube.com/watch?v=Z1FnEYI25z0
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