NEC Express5800/120Rh-2 N8100-1061F User Manual page 298

9-24 Upgrading Your Server
Installation
Take the following steps to install the CPU.
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Pull out the server from the rack.
3.
Open the drive cover and logic cover.
4.
Remove two screws securing the support arm.
5.
Remove the support arm from the chassis.
NOTE:
Press firmly the support arm before removing the screws.
6.
Remove the processor duct from the chassis.
7.
Locate the CPU socket which you are going to install CPU.
When the support arm comes up, you may lose the screws.