HP ProLiant ML30 Gen9 Maintenance And Service Manual page 57

Lift the system board out of the chassis.
b.
To replace the system board:
Install the new system board.
1.
Install the DIMMs.
2.
Install the expansion boards.
3.
CAUTION: Failure to completely open the processor locking lever prevents the processor
from seating during installation, leading to hardware damage.
CAUTION: To avoid damage to the processor, do not touch the bottom of the processor,
especially the contact area.
Removal and replacement procedures 57