What is the use of the button battery on the motherboard?
If the motherboard battery is dead, BIOS in the system time will become the factory set time, enter the operating system will be this time. Will affect some of the software, such as prompted the software registration code / serial number failure, of course, set the correct time will return to normal, but each time the boot time is very troublesome to say.
General battery can be used for several years. But for the battery if it is poor, then only a few months.
Motherboard battery to the motherboard flash memory power supply, the motherboard flash memory stored in the computer boot information. Such as the current date, time and so on.
