Introduction of BIOS 3-3
CMOS DATA
Maybe you have heard somebody saying that their
CMOS DATA was lost. What is the CMOS? Is it
important? The CMOS is the memory used to store the
BIOS parameters that you have configured. This memory is
passive. You can read its data, and you can also store data
in it. But this memory has to be powered by a battery, in
order to avoid any loss of its data when the computer is
turned off. Since you may have to change the CMOS
battery when it is out of power and indoing so, you will
loose all CMOS data, therefore, we recommend that you
write down all the parameters of your hardware, or to put a
label with these parameters on your hard disk.
Computer
knowledge
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