Chapter 2 Installation 172.5 Safety precautionsWarning! Always completely disconnect the power cordfrom your board whenever you are working on it.Do not make connections while the power is onbecause sensitive electronic components can bedamaged by the sudden rush of power.Caution! Always ground yourself to remove any staticcharge before touching the board. Modernelectronic devices are very sensitive to staticelectric charges. Use a grounding wrist strap atall times. Place all electronic components on astatic-dissipative surface or in a static-shieldedbag when they are not in the chassis.