I have an Asus Z270 Tuf Board V2 and am trying to install 3 graphics cards on the 3 native PCIE slots. Slot 1 has R9 390X. Slot 2 R9 295X2. Slot 3 R9 390X. All 3 show up in Post in my bios. When I try to boot to Windows 10 64 Bit, only 1x390X shows up. If I unplug the 390X from slot 3. then I see the other 2 cards.
I3 processor. 2x4 ram sticks. 1000W and 750W power supply with a jumper. 2 tb hard drive (not M.2)with not much on it.
I have tried following the directions of some of these videos and changes all of the PCI e settings in Bios to Gen 2. Then dropped them to Gen 1. the MB bios was updated 2 days ago.
I3 processor. 2x4 ram sticks. 1000W and 750W power supply with a jumper. 2 tb hard drive (not M.2)with not much on it.
I have tried following the directions of some of these videos and changes all of the PCI e settings in Bios to Gen 2. Then dropped them to Gen 1. the MB bios was updated 2 days ago.
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