Lenovo System x3300 M4 Installation And Service Manual page 289

b. Fasten the thumbscrew on the side bracket.
10. Remove the cover on the microprocessor 2 expansion board connector and labels of CPU slot and PCI
slot 1 on the system board.
11. Make sure the microprocessor 2 expansion board release levers are in the open position.
12. Align the holes on the microprocessor 2 expansion board to the guide pins on the system board. Install
the microprocessor 2 expansion board on the system board.
.
Chapter 6 Removing and replacing components
275