if you are on the bios level you can do anything. But the bare bones nature of old BIOS plus the space limitation of them would make this very difficult. Now t

if you are on the bios level you can do anything. But the bare bones nature of old BIOS plus the space limitation of them would make this very difficult. Now that EFI on the cheapest Staples' laptop is 10x more capable then the most expensive personal computer of 1999, this is not only possible but easy and helped by ton of EFI libraries.