Nvidia 3080 Ti and GT 1030, Driving 6 monitors

Ubuntu 20.04 LTS

I'm trying to drive 6 monitors. I have a 3080TI and a GT 1030.

Using the nvidia xconfig utility it looks like I can only run 4 monitors on 1 X screen and the other two (on the GT1030) on a separate X screen. This isn't exactly ideal.

I tried to do my best at xrandr magic with:

xrandr --setprovideroutputsource 1 0

and

xrandr --output DP-1-1 --mode auto

However I get the following error:

xrandr: Configure crtc 4 failed

Is this a hopeless cause? Thanks.

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