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 are
shipped with your product.
The battery maintains the sled configuration, date, and time information
in the NVRAM when the sled is turned off. You may need to replace
the battery if an incorrect time or date is displayed during the boot
routine.
You can operate the sled without a battery;
however, the sled configuration information maintained by the battery
in NVRAM is erased each time you remove power supply unit from the
sled. Therefore, you must reenter the system configuration information
and reset the options each time the sled boots until you replace the
battery.
Steps
Reenter the time and date through the System
Setup.
Turn off the sled using the operating system
commands or the CMC.
Remove the sled from the enclosure for at least
one hour.
Install the sled in the enclosure.
Turn on the sled.
Enter the System Setup.
If the date and time are not correct
in the System Setup, replace the battery. If the problem is not resolved
by replacing the battery, see the Getting help section.
NOTE:If the sled is turned
off for long periods of time (for weeks or months), the NVRAM may
lose its system configuration information. This situation is caused
by a defective battery.
NOTE:Some software may cause
the sled’s time to speed up or slow down. If the sled operates normally
except for the time maintained by the System Setup, the problem may
be caused by a software rather than by a defective battery.
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