The device can have two SCBs. They are located
horizontally on the bottom front of the chassis in the slots marked 0 and 1. Each SCB weighs approximately 9.6 lb (4.4 kg).
Before removing or replacing any component, ensure you are operating
the ejector handles properly and they are stored correctly on all
To remove the SCBs, follow this procedure for each SCB (see Figure 73):
Place an electrostatic bag or antistatic mat on a flat,
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.
Loosen the captive screws
on the ejector handles on both sides of the SCB faceplate.
Simultaneously rotate the ejector handles 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 it on the antistatic
Do not stack hardware components on one another after you remove
them. Place each component on an antistatic mat resting on a stable,