Fujitsu PRIMERGY RX300 S7 Upgrade And Maintenance Manual page 304

Processors
Ê Unlatch the socket release lever marked Open 1st by pushing it down and
away from the socket (1).
Ê The socket release lever will slightly lift up (2).
Figure 158: Opening socket release lever 2
Ê Unlatch the socket release lever marked Close 1st by pushing it down and
away from the socket (1).
Ê Fully fold back the second socket release lever (2).
304 Upgrade and Maintenance Manual
RX300 S7