Fujitsu PRIMERGY GX2560 M7 Upgrade And Maintenance Manual page 184

Processor (CPU)
Add graduation marks to the syringe using a permanent marker to help
you apply the thermal paste.
Figure 132: Applying the thermal paste
▶ Apply a small point-shaped amount of thermal paste (1.0 gram, see
description above) to the center of the heat sink lower surface as shown.
CAUTION
▶
Do not mix different types of thermal paste.
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:
– Spring contact is bent backwards upon itself
– Spring contact tip position is shifted or out of alignment
▶
Never try to fix bent spring contacts. Doing so may result in loss of
electrical performance and reliability.
184 Upgrade and Maintenance Manual GX2560 M7