Relion 1900e/2900e Manual
Revision 1.0 80
7.3.21 CMOS Battery Monitoring
The BMC monitors the voltage level from the CMOS battery, which provides battery backup to the chipset
Real Time Clock. This is monitored as an auto-rearm threshold sensor.
Unl
ike monitoring of other voltage sources for which the Emulex* Pilot III component continuously cycles
through each input, the voltage channel used for the battery monitoring provides a SW enable bit to allow
the BMC FW to poll the battery voltage at a relatively slow rate in order to conserve battery power.
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