This was a nice way to not have to schlep a floppy disk around. I used it here to update my servers BIOS.
Install DOS bootloader syslinux
$ aptitude install syslinux
Grab a free dos clean image and unzip it
$ wget http://www.fdos.org/bootdisks/autogen/FDOEM.144.imz
$ unzip FDOEM.144.imz
Make a place for GRUB to load a DOS kernel and copy the BIOS update [...]