NEC Express5800/R320a-E4 User Manual page 260

8-28 System Upgrade
13.
Place the heat sink on the CPU.
IMPORTANT:
Do not touch the cooling sheet that is attached on the back of the
heat sink with your hand.
IMPORTANT:
If you install additional CPU, ensure that the fins of the additional CPU's heat sink are in the
same direction as those of the standard CPU.
Heat sink of
the additional
CPU
Heat sink of
the standard CPU
Front of
the Server
Rear of
the Server