Computer Hardware User Manual

BIOS SETUP
46
MB893 User’s Manual
1st Smart Fan II Temperature (SYS_FAN1 connector)
Enable or Disable the first phase Smart FAN functionality of
SYS_FAN1 connector.
Configuration option: [30] [35] [40] [45] [50] [55]
[60]
If the value is set, the fan turns to 25% duty cycle when the temperature
of CPU reach to the value.
The default value is Disabled.
2nd Smart Fan II Temperature (CPU_FAN1 / CPU_FAN2 /
CPU_FAN3 connectors)
Enable or Disable the first phase Smart FAN functionality of
CPU_FAN1/CPU_FAN2/CPU_FAN3 connectors.
Configuration option: [30] [35] [40] [45] [50] [55]
[60]
If the value is set, the fan turns to 25% duty cycle when the temperature
of CPU reach to the value. The default value is Enabled.
Level2 Temperature
Set the second phase Smart FAN functionality.
Configuration option: [5] [10] [15]
If both the value and the Smart Fan II Temperature are set, the fan
turns to 50% duty cycle when the temperature of CPU reach to ( first
phase + second phase temperature).
The third phase Smart FAN functionality:
If the temperature of CPU is over (first phase + second phase
temperature + 10), the fan turns to 75% duty cycle.
The final phase Smart FAN functionality:
If the temperature of CPU is over (first phase + second phase
temperature + 20), the fan turns to 100% duty cycle.