Fujitsu PRIMERGY TX1330 M4 Upgrade And Maintenance Manual page 358

Processor (CPU)
▶ Latch the socket lever under the load plate tab.
Removing the protective cover
Figure 232: Opening socket release lever
▶ Unlatch the socket release lever by pushing it down and away from the
socket (1).
▶ Fold back the socket release lever (2).
358 Upgrade and Maintenance Manual TX1330 M4