CMOS - complementary metal oxide silicon - RAM chips on motherboards
SOLVED: Is there no CMOS RAM battery on this model? - MacBook Unibody Model A1278 - iFixit
Christmas Tree, 10GB RAM, CMOS Battery, lots of thermal paste (glue).. #ratemybuild *No DDR3 or DDR4s were harmed in the making of this picture : r/pcmasterrace
Nonvolatile BIOS memory - Wikipedia
CMOS: What It Is and What It's For
How to Replace the CMOS Battery - TurboFuture
What Is A CMOS Battery And What Does It Do? - GadgetMates
How to change the CMOS battery in your Desktop Computer - YouTube
Computer CMOS and RAM - Total Battery
CMOS battery missing : r/framework
Nonvolatile BIOS memory - Wikipedia
How to Replace a CMOS Battery on a Windows PC | Sweetwater