CMOS stands for Complementary Metal Oxide Semiconductor. Even though it’s a small chip on your motherboard, it does a lot more than you might expect. First, let’s clear up a common misunderstanding: ...

I have an old 486sx packard bell packmate machine. The bios check keeps complaining that the cmos has lost it's settings (even when plugged in). I opened the case and found the battery. It is leaking ...

CMOS stands for Complementary Metal Oxide Semiconductor. It is a small battery that provides a continuous power supply to the CMOS chip. A CMOS chip stores BIOS settings. When a CMOS battery dies, you ...

I've gone through a lot of hardware, but never has a CMOS battery failed on me. Has this happened to anyone? I've read in other forums and newsgroups giving these little batteries anywhere from 2-3 ...