Nvram Backup Battery; Replacing The Nvram Backup Battery - Dell PowerEdge M820 Systems Owner's Manual
Dell poweredge m820 systems
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Also See for PowerEdge M820 Systems:
- Owner's manual (155 pages) ,
- Technical manual (47 pages) ,
- Reference manual (1682 pages)
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NVRAM Backup Battery
Replacing The NVRAM Backup Battery
WARNING: 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.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1.
Remove the blade from the enclosure.
2.
Open the blade.
3.
Remove the system board to access the battery.
4.
To remove the battery, press down firmly on the positive side of the connector and lift the battery out of the
securing tabs at the negative side of the connector.
5.
To install a new system battery:
a) Support the battery connector by pressing down firmly on the positive side of the connector.
b) Hold the battery with the "+" facing up and slide it under the securing tabs at the positive side of the connector.
6.
Press the battery straight down into the connector until it snaps into place.
7.
Reinstall the system board.
8.
Close the blade.
9.
Install the blade in the enclosure.
10. Enter the System Setup to confirm that the battery is operating properly.
11. Enter the correct time and date in the System Setup's Time and Date fields.
12. Exit the System Setup.
13. To test the newly installed battery, remove the blade for at least an hour.
14. After an hour, reinstall the blade.
15. Enter the System Setup and if the time and date are still incorrect, see
Figure 23. Replacing the NVRAM Backup Battery
1. positive side of battery
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Troubleshooting
