check list of ROMs to check:
GRUB+SEABIOS:
* libgfxinit_txtmode * libgfxinit_vesafb * vgarom_txtmode * vgarom_vesafb
SEABIOS:
* libgfxinit_txtmode * libgfxinit_vesafb * vgarom_txtmode * vgarom_vegafb
TIANOCORE:
* libgfxinit * vgarom
check list of ROMs to check:
GRUB+SEABIOS:
SEABIOS:
TIANOCORE: