Fujitsu PRIMERGY RX4770 M1 Upgrade And Maintenance Manual page 303

Removing the system board
Figure 187: Removing the system board
Ê Grasp the system board by the handles (see ovals).
Ê Slide the system board slightly toward the front of the housing to lift it out.
V
CAUTION!
Always take the system board with both hands.Don't damage the EMI
springs which are essential to comply with applicable EMC
regulations and satisfy cooling requirements and fire protection
measures.
Ê Place the system board on an antistatic surface.
"Removing the TPM" on page 294
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RX4770 M1
Upgrade and Maintenance Manual
System board and components
303