NEC Server 140Rc-4 - Manual (Page 343)

Upgrading Your Server 9-57
Installation
Install a processor board in the following procedure.
1. Insert the tabs on the processor board into the slots on the baseboard. (1)
IMPORTANT: Do not contact the tabs with the components mounted
on the baseboard.
NOTE: Make sure that all the tabs are completely inserted into the the
slots.
2. With the handles in the open position, lower the processor board until it rests on the
baseboard.(2)
3. Close and press down on the handles until the processor board is fully engaged with the
sockets on the baseboard.(3)
4. Reinstall the removed components.