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Dell EMC PowerEdge M640 - System Battery; Replacing the NVRAM Backup Battery - Option a

Dell EMC PowerEdge M640
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Figure 44. Installing the storage controller card
Next steps
1. Install the following:
a. Drives
b. Drive backplane
c. Drive cage
2. Follow the procedure listed in After working inside your system.
System battery
Replacing the NVRAM backup battery - Option A
Prerequisites
NOTE:
There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same
or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
See the safety instructions that came with your system for additional information.
1. Follow the safety guidelines listed in Safety instructions.
2. Follow the procedure listed in Before working inside your system.
3. Remove the following:
a. drives
b. backplane
Steps
1. Locate the system battery on the system.
2. To remove the battery:
52
Installing and removing system components

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