I think the battery you are talking about is also called a "BIOS Battery", and is used for keeping the BIOS settings of the computer stored properly, even when the usual power supply is removed. This means that you don't have to set the time etc. on your PC whenever you unplug it from the wall.
The CMOS is a physical part of the motherboard: it is a memory chip that houses setting configurations and is powered by the on board battery.
A slot on the motherboard intended to hold the CMOS battery.
There are none. One is a battery which is used to provide passive power to the CMOS chipset to keep it from clearing itself.
CMOS battery
how can i break bios password without remove cmos battery
Chances are that the CMOS Battery on the motherboard is dead and needs to be replaced. Without this battery, the computer can not remember the CMOS settings when the power is turned off.
You would dispose of such as you do any other battery.
small battery located on the motherboard or computer case.
The CMOS is run off of a battery on the motherboard.
a System Clock.
CMOS battery of your laptop maintains hard disk, time and date, and other drivers and configuration settings in a CMOS memory. You will see these tiny CMOS batteries connected directly to the laptop’s motherboard.
CMOS is the little battery in the computer's motherboard which keeps the computers internal clock running.