User's Manual

Chapter Two - 15
Operating Information
RTC
Battery backed up RTC (Real Time Clock/Calendar) is built in an on-board
CMOS (Complementary Metal Oxide Semiconductor) chip. The RTC keeps
track of the time and date while the computer is off. The CMOS chip also
stores system setup information.
RTC battery is also recharged when AC adapter is attached. Recharge the
computer approximately once per month to ensure RTC operation.