BIOS and UEFI differ in age, interface, and functionality, with UEFI supporting mouse navigation and networking. BIOS uses MBR, UEFI uses GPT, and BIOS works in 16-bit mode while UEFI can operate ...

But a motherboard with a strange BIOS is not the most antique. Reddit user GoatWithAGun updated the BIOS of a PC with a BioStar A320MH motherboard, and after 24 hours the update process was only 66% ...