El Capitan 10.11.6
Asus Rampage IV Black Edition, 4830k, 32gb of ram, and... i want to put more than one GPU...
i have 2 gtx 780, 1 780ti.
i just put all files in EFI partition to enable all slot for GPUs.
I used slot 1,2,4 like motherboard manual setup for three cards.
If I put two card (from three) all work fine and correctly recognized. When I put third and boot again, all seems work, also third card seen from OS, but... this third card are seen like 128mega card instead of 3gb.
I just tested single cards, all work fines.
All cards single or couple work fine in every slots of 4 of motherboard, only when I put third GPU I have this problem.
any idea? I miss to do something on configuration or setup of computer?