IBM DS3500, Installation, User'S, And Maintenance Manual

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DANGER
Electrical voltage and current from power cables are hazardous. To avoid a shock hazard,
always place electrical equipment on dry, static-free level surfaces. Never turn on any electrical
equipment when there is evidence of fire, water, or structural damage.
8. Unpack the new battery unit. Set the new battery unit on a dry, static-free level surface.
Save all packing materials in case you have to return the new battery unit.
9. Insert the new battery unit into the controller chassis:
a. Slide the battery pack into the controller until the battery-pack connector pins are firmly seated
in the controller battery connector.
b. Tighten the captive fastener to secure the battery pack in place.
10. Install the cover (see “Removing and installing a cover” on page 5-2).
11. Insert the controller into the chassis.
a.
Make sure that the release levers on the controller are in the open position.
b. Slide the controller into the bay until it stops.
c. Push the release levers to the closed position.
After you replace a controller cache battery, reset the battery age timer. For information about resetting
the batter age timer, see the Storage Manager software online help.
Replacing the memory cache DIMM
Attention: To avoid damage to the DIMM, you must first remove the memory cache battery and wait
the required time period before you install or remove the DIMM. Follow the instructions in this
procedure exactly.
Attention: To avoid overheating the storage enclosure and causing damage to its components, replace
failed parts within 10 minutes. The Recovery Guru in the Storage Manager software identifies failed
parts.
Do not remove the failed part from the storage enclosure until you:
v
Review the replacement procedure for the failed part in this guide.
v Locate screw drivers or any other hand tools that you might need to replace the failed part.
v Receive the replacement part and are ready to install it in the enclosure.
Use these procedures if you are replacing a failed DIMM or if you are removing and installing the DIMM
as directed in “Replacing a controller” on page 5-5.
The following illustration shows the location of the memory cache DIMM.
Chapter 5. Replacing components
5-33