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siarsky · (This post was last modified: 2020-05-16 23:05 by siarsky.)

I am a newbie on this bios/efi field... You are right:
a) a pure legacy BIOS boot from USB works
b) an EFI boot from USB does not work
c) an integrated efi boot does not work (efibootmgr)
So I was wondering how can the same NIC driver be so different, but you explained it EFI init is not BIOS init - thanks.

What I do not understand is the fact, that Debian10 has no problem to start over EFI integrated boot (shimx64.efi calling grubx64.efi) on Mac Mini Late 2014.

Does it mean, that Linux has TG3 drivers, which know how to handle the latest Apple EFI NIC registers? Meaning that if ipxe would integrate the TG3 Linux drivers iPXE would work on Apple machines again?