I have a CPU Intel Xeon E5 2620 v4 and 2 GPUs 1080Ti on a mainboard intel S2600CW2R.
1. I have only one CPU on 1st slot
2. Power for 2 CPUs are plggued in.
3. 1 VGA connect by riser cable on PCIe slot 6, 1 VGA connect directly on PCIe slot 5
4. Only vga on slot 6 can be display, and nothing whit vga on slot 5.
I used Ubuntu 18.02 and the system only see 1 VGA on slot 6.
How to display with both VGAs?
Please help me soon. It's very neccesery
With this type of configuration of two GPU boards will draw power from the board.
According to the TPs:
On unit 3.4.1
Slot 6 has enough power to supply the board for Slot 5 you will need to add power to the board from the power supply.
Please try this and let us know the outcome.
If there is anything else we can help please feel free to ask.
If both cards are using power directly from the Power Supply.
Then is a good possibility that because the CPU already has its own GPU; then is not able to control a third GPU. Also, this type of configuration has not been tested.
But on the other hand, I will recommend if you want to use both video cards will be to install it with a second CPU. As mentioned on 22.214.171.124.2