This is a pretty common setup for BIOS boot loaders. grub2 typically embeds itself in this space[1] for BIOS based booting. [1] https://www.gnu.org/software/

This is a pretty common setup for BIOS boot loaders. grub2 typically embeds itself in this space[1] for BIOS based booting. [1] https://www.gnu.org/software/grub/manual/grub/grub.html#BIOS-installation https://www.gnu.org/software/grub/manual/grub/grub.html#BIOS...