Look up on google a software that can do it for you. Doing it through a pre-made software is about the only way to do it most computers won't allow you to.
<span>A chipset which forms an interface between the CPU's front-side bus, main memory, and peripheral buses. Non-volatile memory chips (usually Flash ROM in modern motherboards) containing the system's firmware or BIOS. A clock generator which produces the system clock signal to synchronize the various components.</span>