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24 Technical Manual D2529 (TX300 S4)
Temperature / system monitoring Features
Fan speed control
The fan speed is controlled according to temperature.
The criteria are the ambient temperature, the CPU temperature, and the
memory temperature.
Sensor monitoring
If the I
2
C temperature sensor is defect or missing, all fans monitored by this
sensor, run with maximum speed to achieve the greatest possible protection of
the hardware.
Voltage monitoring (of the internal voltages)
If one of the internal voltages reaches its upper or lower threshold an alarm is
generated.
Cover monitoring
Unauthorized opening of the cover is detected, even when the system is
switched off (power down mode). However, this will only be indicated when the
system is switched on again.
System Event Log (SEL)
All monitored events of the system board are signalized via the Global Error
LED and recorded in the System Event Log. They could be retrieved in the BIOS
Setup or via ServerView.
PRIMERGY Diagnostic LEDs
LEDs on the system board enable to identify defective modules and compo-
nents as well as gaining information on the PDA.