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Dell PowerEdge FC630 Owner's Manual

PDF

Troubleshooting the NVRAM backup battery

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.

  1. Reenter the time and date through the System Setup.
  2. Turn off the sled using the operating system commands or the CMC.
  3. Remove the sled from the enclosure for at least one hour.
  4. Install the sled in the enclosure.
  5. Turn on the sled.
  6. 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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