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MegaRAID SAS Software User Guide Chapter 4: WebBIOS Configuration Utility
| Viewing and Changing Device Properties
Figure 89: Battery Module Screen
Most of the Battery Module properties are view-only and are self-explanatory.
In the lower right corner of the screen are the auto learn options. A learning cycle is a
battery calibration operation performed by the controller periodically to determine
the condition of the battery. You can change the learn delay interval (the length of
time between automatic learning cycles) and the auto learn mode.
NOTE: We recommend leaving the the learn delay interval and the auto learn mode at
their default settings.
4.8.4.1 Setting the Learn Delay
Interval
The learn delay interval is the length of time between automatic learning cycles.
Perform the following steps to change the interval:
a. Open the drop-down menu in the Auto Learn Mode field.
b. Select the learn mode as Auto (the default).
This is so the controller performs the learning cycle automatically.
c. Change the number of hours in the Learn Delay Interval field.
You can delay the start of the learn cycles for up to 168 hours (7 days).
d. Click Go to set the interval.
4.8.4.2 Setting the Auto Learn
Mode
You can start battery learning cycles manually or automatically. The Auto Learn
modes are:
— BBU Auto Learn: Firmware tracks the time since the last learning cycle and
performs a learn cycle when due.
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