HP ProLiant DL580 G4 Server - Manual (Page 23)

Upgrading or replacing controller options 23
• If the LED is not lit, disconnect the battery cable from the cache.
NOTE: Your model might look different from the one illustrated.
4. Remove the controller from the server, and place it on a firm, flat, nonconducting surface.
5. Remove the existing cache from the controller, pulling at both ends of the cache module with equal
force.
6. Install the new cache on the controller. Press firmly above each connector to ensure good electrical
contact.
IMPORTANT: If the cache is not properly connected, the controller will not boot.
7. Replace the controller in the server.
8. If the previous cache was connected to a battery pack, reconnect the battery cable to the new
cache.