Replacing the RTC battery

To replace the RTC battery, locate it inside the controller and follow the specific sequence of steps.

1. Locate the RTC battery between the heatsink and the midplane and remove it exactly as shown in the graphic.
   
   
   

   	Gently pull tab away from the battery housing. Attention Pulling it away aggressively might displace the tab.
   	Lift the battery up. Note Make a note of the polarity of the battery.
   	The battery should eject out.

   The battery will be ejected out.
2. Remove the replacement battery from the antistatic shipping bag.
3. Locate the RTC battery holder between the heatsink and the midplane and insert it exactly as shown in the graphic.
   
   
   

   	With positive polarity face up, slide the battery under the tab of the battery housing.
   	Push the battery gently into place and make sure the tab secures it to the housing. Attention Pushing it in aggressively might cause the battery to eject out again.

4. Visually inspect the battery to make sure that it is completely installed into the holder and that the polarity is correct.