What is a CMOS Battery? How to Remove and Replace -

CR2032 19E Coin Cell Battery with 2 pin Connector CMOS cmos battery slot How to replace the battery that keeps the PC's internal clock going Fix issues such as: Real cmos slot I believe its there to hold the charge long enough to let you replace the battery It looks like a tiny beer can and is typically very close to

midnight marauder slot You will need to desolder and replace all of the slot connectors, which is exceptionally tricky due to the high pin count on the bottom of each