The BIOS is a set of hardware computer programs that are saved in a ROM chip on the motherboard. It is a readable writable RAM chip on the computer motherboard to save the hardware configuration and user parameter settings of the current system.
The CMOS chip is powered by the rechargeable battery on the motherboard, even if the system is powered off, the parameters will not be lost.
Accurate statement is to set the CMOS parameters through the BIOS setup program.
