You then have one of several options: create a floppy, create a dd floppy image, create a user-installable distribution-specific package (e.g.
RPM), or actually install the image for your bootloader.
However, there are a few utilities, that allow you to upgrade your system BIOS under Linux.Warning: Flashing motherboard BIOS is a dangerous activity that can render your motherboard inoperable!Flashromis a utility for identifying, reading, writing, verifying and erasing flash chips.It is designed to flash BIOS/EFI/coreboot/firmware/option ROM images on mainboards, network/graphics/storage controller cards, and various programmer devices.
Warning: If you have a laptop/notebook/netbook, please do NOT try flashrom because interactions with the EC on these machines might crash your machine during flashing.
flashrom tries to detect if a machine is a laptop, but not all laptops follow the standard, so this is not 100% reliable. package.