Fujitsu PRIMERGY RX4770 M5 Upgrade And Maintenance Manual page 63

Figure 15: Installing a riser module (example: riser module 3/4) (B)
▶ Ensure that the riser module fits in the slot and the connector of the riser
module in the connector on the top system board (see circle).
Connect the riser module with the connectors on the top system board
first to ensure that the riser module is in the right position.
▶ If necessary, connect the cables to the other components.
The riser module must be installed under the riser module 6/7. You must
install the riser module before you install the riser module 6/7.
RX4770 M5 Upgrade and Maintenance Manual
Basic hardware procedures
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