Fujitsu PRIMERGY RX4770 M6 Upgrade And Maintenance Manual page 376

System board and components
Installing the new top system board
Figure 232: Installing the new top system board
▶ Hold the top system board by the green touch points (orange circles).
▶ Lower the system board carefully into the top system board holder.
▶ Align the screw holes with the holes on the top system board holder (blue
circles).
▶ Fasten the top system board with the nine screws, (blue circles).
▶ Remove the heat sink with the CPU from the defective top system board,
see "Removing the heat sink" on page
▶ Remove the protective plastic cover from the CPU socket of the new top
system board, fit the protective plastic cover onto the socket of the defective
top system board and sent it back to spares.
Returned top system boards without this cover probably have to be
scrapped.
376
271.
Upgrade and Maintenance Manual RX4770 M6