BIOS SETUP

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.

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MB893 User’s Manual

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Image 50
Intel MB893 user manual 1st Smart Fan II Temperature SYSFAN1 connector, 2nd Smart Fan II Temperature CPUFAN1 / CPUFAN2