I think Proxmox should be able to work with secure boot enabled.
Fast boot and ultra fast boot sometimes does quirky things. Like MSI messing it up. Or like Ultra fast boot not working on older GPUs and USB not being initialized before boot...
I don't quiet get how you think these things are exclusive to each other?
That should not be the case at all.
You should always be able enter BIOS and you should always be able to get video when your system loads grub, and when your system...
I am using a 3060 on my gaming rig that does not even have the OpROM option in BIOS.
I am not using any GPU on my Supermicro servers but IPMI ASPEED.
Yeah, lets try one step after another.
- Go into BIOS
- Enable UEFI only
- Disable CSM
-...