A CMOS chip is vastly different than the CMOS battery on your motherboard. Introduction: What is “CMOS”? CMOS is a MOSFET-type technology used for logical operations. In simple terms, it is … ...

Hi!<BR>Yesterday my friend gave me such laptop. It is not worked. I was find dead cmos battery type CR1220 inside.

That battery — often called the "CMOS battery" after the type of memory it once powered — keeps the computer's real-time clock going. On older models, it also might deliver a trickle of power ...