HP ML570 - ProLiant - G2 Setup And Installation Manual page 71

Installing Hardware Options
14. Lower the processor retaining bracket into position over the processor and
PPM (1) and secure it by tightening the thumbscrew (2).
CAUTION: Before closing the processor retaining bracket, be sure that the
processor locking lever is closed. Forcing the bracket shut may damage the
processor or the processor socket.
Figure 3-25: Securing the processor retaining bracket
15. Repeat steps 7 through 14 to upgrade the other processors, if installed.
16. If necessary, reinstall the memory board. For more detailed information about
installing a memory board, refer to the server memory installation guide on the
Documentation CD.
3-30 HP ProLiant ML570 Generation 2 Server Setup and Installation Guide