MSI MS-7125 - Clear CMOS Button: SW1

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Hardware Setup
The motherboard provides the following button for you to set the computer’s
function. This section will explain how to change your motherboard’s function through
the use of button.
Button
Clear CMOS Button: SW1
There is a CMOS RAM on board that has a power supply from external battery
to keep the system configuration data. With the CMOS RAM, the system can auto-
matically boot OS every time it is turned on. If you want to clear the system
configuration, use the SW1 (Clear CMOS Button ) to clear data. Press the button in
the middle of the connector top side to clear the data.
SW1