This might work other mainboards and graphic adapters as well, but this article assumes H11SSL and B580.
The SuperMicro H11SSL-I board does not have an option in the BIOS to enable "Resizable BAR" ("Resizable Base Address Register", or "ReBAR"), aka SAM ("Smart Access Memory") for AMD Platforms. It was not introduced until the H12 series boards.
UEFI hacks is possible [^3] using ReBarUEFI, but this is difficult, risky, requires flashing firmware and even maybe use of a chip programmer.
