IBM TotalStorage DS300 Hardware Installation And User's Manual page 84

Figure 47. Removing a RAID controller
10. Remove the cache battery from the controller:
Figure 48. Removing the RAID controller battery
11. Unpack the replacement battery and set it on a dry, level surface. Save the
12. Install the new cache battery into the RAID controller:
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Hardware Installation and User's Guide
RAID controller
b. Grasp both latches and pull the controller out of the bay.
c. Place the controller on a dry, level surface.
a. Loosen the thumbscrew that holds the battery in place.
Battery
b. Hold down the edge of the controller base on the battery side (near the
thumbscrew).
c. Pull up on the blue lift tab on the battery to remove it from the connector.
d. Slide the battery toward the open end of the controller to remove it.
e. Dispose of the used battery according to local and federal regulations,
which might include hazardous material handling procedures. For more
information, see "Battery return program" on page 90.
packing material and documentation in case you have to return the battery.
a. Slide the battery under the tab near the front of the RAID controller.
RAID controller
filler panel
Thumbscrew