Installing The Processor On The Extender Board - HP rp4410 Service Manual

IMPORTANT:
Do not overtighten the four shoulder screws. They can shear off if
overtightened. Stop tightening the shoulder screws when you feel them bottom out.
11. Using the CPU Install Tool (Torx T15 driver), finish tightening the two thumbscrews.
IMPORTANT: Do not overtighten the two thumbscrews. They can shear off if overtightened.
Tightening the thumbscrews by 1/4 turn tightens them sufficiently.
Figure 3-27 Installing the Processor on the Extender Board
Installing Additional Components 83