User Service Guide, Fifth Edition - HP 9000 rp4410/4440

IMPORTANT: Do not overtighten the two thumbscrews. They can shear off if overtightened.
Tightening the thumbscrews 1/4 turn tightens them sufficiently.
Figure 6-18 Installing the Dual Processor Module on the Processor Extender Board
13. Replace the processor extender board in the server. See “Replacing the Processor Extender
Board” (page 162).
14. Replace the front cover. See “Replacing the Front Cover” (page 153).
15. Replace the front bezel. See “Replacing the Front Bezel” (page 152).
Replacing Dual Processor Modules 171