Always place the board on a flat surface, not carpet or anything like that. And always ground yourself before handling the board. When handling the board, handle it by the edges only when at all possible. Read the listings for settings and locate all jumpers on the motherboard itself and what settings they control. Set the voltage settings.
Most older chips use one single voltage.
The newer chips we use today use a split voltage. If you are using an older chip with one voltage, just set both voltages to be the same. Your best bet to choose the correct voltage is to see what is printed on the CPU itself. That is your voltage. Some boards are designed to detect the voltage automatically and then use the correct voltage.