HP ProLiant DL580 User Manual page 37

IMPORTANT:
configuration, the second processor must be installed in socket 3.
To install the component:
Update the system ROM.
1.
Locate and download the latest ROM version from the HP website (http://www.hp.com/support).
Follow the instructions on the website to update the system ROM.
Power down the server (on page 25).
2.
Remove the processor memory drawer shipping screws, if installed. Retain the screws for future use
3.
("Processor memory drawer shipping screw
Remove the processor memory drawer (on page 27).
4.
CAUTION: To prevent damage to the processor memory drawer cover, be sure the handle of the
processor memory drawer is fully open before removing the cover.
Remove the processor memory drawer cover.
5.
When either optional I/O expansion board is installed in a two-processor
locations" on page 27).
Hardware options installation 37