Place an electrostatic bag or
antistatic mat on a flat, stable surface.
Attach an electrostatic discharge (ESD) grounding strap to your bare
wrist and connect the strap to one of the ESD points on the chassis. For more information about ESD, see Preventing Electrostatic Discharge Damage.
Rotate the ejector handles simultaneously counterclockwise
to unseat the SCB.
Grasp the ejector handles and slide the SCB about
halfway out of the chassis.
Place one hand underneath the SCB to support
it and slide it completely out of the chassis.
Place the SCB on the antistatic mat.
If you are not replacing the SCB now,
install a blank panel over the empty slot.