There is a battery about the size of a quarter on most motherboards
today which provides power to save cmos settings when the computer is
unplugged. I think the standard battery is a CR2016, similar to what
is used in many remotes for cars today. There is also a CR2025 and
CR2032, which are thicker. (20xx is 20 mm in diameter, xx16/xx25/xx32
is 1.6, 2.5 or 3.2 mm thick).
Other than throwing off the clock, I've never seen a problem where the
computer won't boot due to a dead battery.
Paul Hachmeyer
Darcy Lidge wrote:
>I was using a refurbished Pentium III Desktop (no name). During the boot process, I kept getting a message "Warning: Battery low. 2.26V or V 2.26". I went into the BIOS setup and changed the CPU speed to manual. Now the computer will not boot. What happened? Could this be related to the CMOS chip and if not, what battery is the system referring to?
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