HP 273914-B21 - Smart Array 6404/256 RAID Controller User Manual page 36

36 HP Smart Array 6400 Series Controllers User Guide
b. Pull the cache module out of the DIMM slot (2).
3. If the main cache battery must be replaced:
a. Press the battery retainer tabs down, and push them through to the other
b. Lift the battery pack off the cache board (2).
4. Remove the secondary cache battery pack:
a. Unhook the wire retainer that holds the battery pack to the controller
side of the cache board (1).
board (1).