12.With the tabs at the top of the SEC cartridge completely open (pulled outward, away from the center of the cartridge—C in Figure 7), slide the cartridge into the guide rails of the retention module (B in Figure 7). When done properly, the triangular ends of the tabs (with two round pegs on each) fit into the entrance to the guide rails.

SEC cartridge

Retention module guide rails

Tab on SEC cartridge

Processor heat sink (must face away from the center of the system board

Figure 7: Installing a Processor

13.When the cartridge meets resistance, push the two tabs toward each other (E in Figure 7) until the processor is fully seated.

14.Reattach the retention module bracket:

a.With the bracket in an open position (perpendicular to the front of the retention module), slide the open hinge at the left of the bracket into its receptacle at the left of the retention module.

b.Rotate the bracket to the right until it reaches the retention module. With your right thumb on the face of the bracket and your right index finger around the tab at the right of the bracket, slightly pull the tab outward and to the left to open the latch at the back of the tab.

c.As you open the latch on the back of the tab, slide the right edge of the bracket onto the retention module and release the tab. If done correctly, the bracket will latch securely.

Replacing the Processor 35