Biostar P4M890-M7 TE Setup Manual page 26

Motherboard Manual
3. Overclock/Overvoltage Panel
Click the Overclock/Overvoltage button in the Main Panel, the button
will be highlighted and the Overclock/Overvoltage Panel will show
up as the following figure. As you can see, the Overclock Panel is
on the right side, and the Overvoltage Panel is on the left side.
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