Fujitsu PRIMERGY RX2540 M6 Upgrade And Maintenance Manual page 350

Processor (CPU)
Installing the CPU
CAUTION
When replacing a system board
▶
Use a magnifying glass (recommended) to inspect the socket
spring contacts for damages from different angles. Do not use the
spare system board if any irregularities are visible. Possible
damages:
– Contact spring is bent backwards upon itself
– Contact spring tip position is shifted or out of alignment
▶
Never try to fix bent contact springs. Doing so may result in loss of
electrical performance and reliability.
Figure 224: CPU in packaging
▶ Remain the CPU in the packaging.
350 Upgrade and Maintenance Manual RX2540 M6