Nvram Backup Battery; Replacing The Nvram Backup Battery - Dell PowerEdge M630 Owner's Manual

NVRAM backup battery

The NVRAM backup battery installed in your system helps to retain the BIOS settings and configurations even if the power is
switchedoff.

Replacing the NVRAM backup battery

Prerequisites
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the
sameorequivalenttyperecommendedbythemanufacturer.Discardusedbatteriesaccordingtothemanufacturer'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. Youshould 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 are shipped with yourproduct.
1. Follow the safety guidelines listed in safety instructions section.
2. Followthe procedure listed in the Beforeworking inside yoursystem section.
3. Remove the following:
a. Hard drives or SSDs
b. Coolingshroud
c. Hard drive or SSD backplane
d. Hard drive or SSD cage
e. mezzanine card
f. NDC
g. IDSDM or rSPI card
h. System board
Steps
1.
Locate the system battery on the system.
2.
Toremove 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.
3.
Toinstall 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.
4.
Press the battery straight down into the connector until it snaps into place.
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