Gigabyte GA-X79-UD5 User Manual page 49

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2nd System Fan Speed Control (SYS_FAN2 Connector)
Allows you to determine whether to enable the system fan speed control function for the system fan
connected to SYS_FAN2 connector and adjust the fan speed.

Normal Allows the system fan to run at different speeds according to the system temperature. You
can adjust the fan speed with EasyTune based on your system requirements. (Default)

Silent Allows the system fan to run at slow speeds.

Manual Allows you to control the CPU fan speed under the

Disabled Allows the system fan to run at full speeds.
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Slope PWM
Allows you to control the system fan speed. This item is conigurable only when 2nd System Fan Speed
Control is set to Manual. Options are: 0.75 PWM value /
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Miscellaneous Settings
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Isochronous Support
Determines whether to enable speciic streams within the CPU and Chipset. This item is present only when
you install a CPU that supports this feature. For more information about Intel CPUs' unique features, please
visit Intel's website. (Default: Enabled)
Slope PWM item.
C ~ 2.50 PWM value /
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BIOS Setup