Dell PowerEdge M640 EMC for VRTX enclosure Installation and Service Manual - Page 84

System battery, Replacing the NVRAM backup battery - Option

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Figure 45. 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 on page 46. 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 on page 45. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the following: a. drives b. backplane Steps 1. Locate the system battery on the system. 2. To remove the battery: a. Push the battery toward the positive side of the battery until the battery disengages from the connector. 84 Installing and removing system components

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Figure 45. 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
on page 46.
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
on page 45.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
Remove the following:
a.
drives
b.
backplane
Steps
1.
Locate the system battery on the system.
2.
To remove the battery:
a.
Push the battery toward the positive side of the battery until the battery disengages from the connector.
84
Installing and removing system components