Note: HP users may download Windows BIOS updater from HP website, extract *file and locate ISO image for burning to a CD. To use the biosdisk utility to create a BIOS flash image, first download the latest raw BIOS image for your system from your manufacturer's website.Using CD, upgrade is possible from BIOS menu using 'Firmware Upgrade' without using below tools. Make sure however, that you always get the BIOS executable and NOT the Windows executable. They either require an old-fashioned operating system (Windows) or museum hardware (floppy drives) to update a BIOS.Apparently they never learn and are instead busy adding features like DRM and UEFI to make our lives even more miserable.Gigabyte for example use both rar and 7zip based executables. To copy these to the floppy image execute the following: What you have now is a Free DOS floppy disk image which can be booted by selecting it in the grub boot menu.Once you have extracted it, you should have a flash file (the file extensions on these are completely random) and a flashing program (something like FLASHSPI. Remember the grub menu is now hidden, so keep any key pressed during the boot reach it. On the GA-P55-UD3 board, that option (F9 to EZflash) appeared after doing the update.The really old way of doing this using a floppy disk.This really is not an option, but writing a CD or a USB stick can be as much hassle.
To get these you will need to look up your motherboard at the manufacturers website and click on support. Try using unzip, unrar (available from RPMFusion) and 7za (available in the p7zip package).Warning: Flashing motherboard BIOS is a dangerous activity that can render your motherboard inoperable!While the author of this article has successfully run this procedure many times, your mileage may vary. You may want to consider updating microcode instead if it is supported by your system.On this disk we will place a new BIOS image and any related files used for flashing.Once the disk has been created, reboot the system and allow your newly created disk to load automatically and begin the flashing process.Flashing a BIOS typically serves the following functions: to fix specific bugs, to support newer hardware, or to fix a damaged BIOS.