Upgrade and replacement procedures 56
o
If the LED is not lit, disconnect the battery cable from the cache.
5. Remove the controller from the server and place it on a firm, flat, nonconductive surface.
6. Remove the existing cache from the controller by pulling at both ends of the cache module with equal
force.
7. Install the new cache on the controller. Press firmly above each connector to ensure good electrical
contact. (If the cache is not connected properly, the controller cannot boot.)
8. Install the controller in the server.
9. If the previous cache was connected to a battery pack, connect the battery cable to the new cache.
Replacing the P700m cache battery
CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly
grounded before beginning this procedure.