Fursat - CMOS Battery - Motherboards include a small separate block of memory made from CMOS RAM chips which are kept alive by a battery (known as a CMOS battery) even when
What is CMOS?
5101 CMOS RAM
G65SC32P-2 SRAM Memory California Micro Devices | Jameco
Low Power CMOS SRAM - Alliance | Mouser
D43256AC-85L 32,768 X 8-BIT STATIC CMOS RAM | eBay