OH HOLY [expletive deleted]!!!  I can't believe figured this out!!!!


UEFI.BIOS.Dual.Boot.txt:

References that stink:
    https://forums.linuxmint.com/viewtopic.php?t=223015
    https://bl.ocks.org/gdamjan/05b799162e4b3e97a30d37a89fed0fa8

https://forum.level1techs.com/t/configure-grub-to-boot-legacy-and-uefi/129382


Requirements:
   Fedora 29

   Before installing, gparted:
      Wipe the target disk

      create a partitin table as GPT

      create a first partition as
          1 Meg
          unformatted
          set the partition flag to "bios_grub"

   Install Fedora 29 from a UEFI machine:
      remove "/home" was removed at installation and moved into "/"

--->>>   PRESUMED !!!   <<<---
      The machine was install and booted from UEFI
      The machine is mounted as /dev/sda


Install the legacy BIOS boot loader:

Boot into fedora on UEFI

only installs 3 files
# dnf reinstall grub2-pc

create the BIOS .cfg file
# grub2-mkconfig -o /boot/grub2/grub.cfg

You made room for this by making the 1 MB partition "bios_grub" so use "--force" # grub2-install --force --removable --recheck --target=i386-pc --boot-directory=/boot /dev/sda



--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When we ask for advice, we are usually looking for an accomplice.
   --  Charles Varlet de La Grange
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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