As such, BIOS saves all its information on a BIOS chip on the motherboard and UEFI saves its data to an EFI file on a storage device. Another big factor holding BIOS back is that is only works in ...
For instance, [Doug] correctly points out a design issue with these common programmers resulting in 5 V getting onto the 3.3 V data lines ... damaging the BIOS chip with its hardwired pinout.