On 07/17/2014 02:41 PM, Edward Diener wrote: > Programming is about calculations as well as logic. It cannot be > impossible to calculate how big core.img is, how much space is in the > partition in which grub2 is installed and either tell the end-user it > can or cannot be done. For more on this from the GNU GRUB developers, please see https://www.gnu.org/software/grub/manual/grub.html#BIOS-installation