Fujitsu D2679-B11 Technical Manual page 20

Temperature / system monitoring Features
Sensor monitoring
A fault in a temperature sensor is detected. Should this happen all fans
monitored by this sensor run at maximum speed, to achieve the greatest
possible protection of the hardware.
Voltage monitoring
When voltage exceeds warning level high or falls below warning level low an
alert will be generated.
System Event Log (SEL)
All monitored events of the system board are recorded in the System Event Log.
They could be retrieved after a system reboot via ServerView.
20 Technical Manual
D2679-B11 (TX100 S1)