The more recent mainboards from Gigabyte require the M$ Windows for
Bios update, even the MS DOG bios update utility is not offered.
Boards in the GA-Mxxx series for example have this feature,
notwithstanding the few words on Linux drivers on the relevant page.
The right thing for Gigabyte to do is to make a minimal FreeDOS /
Linux standalone utility for the purpose. I am telling them a few
Member, Cal. Math. Soc