IBM CI5VGM Series User Manual page 108

Chapter 6 System Monitor Utility
8. Setting - sets the values at which an alarm is sounded.
Voltage : the acceptable voltage range between the "MAX"
and "MIN" value.
Temperature : temperature threshold.
Fan Rotation Speed : the minimum rotation speed.
NOTE: Intel has defined a margin of difference for the voltages as
below:
12 Volts - 10% (10.8V ~ 13.2V)
5 Volts - 5% (4.75 ~ 5.25%)
Vio - 5% (Vio for P54C CPU is 3.5V. Vio for P55C is 3.3V.)
Vcore- 5%
104 CI5VGM User's Manual