Gigabyte GA-X79-UD5 User Manual - Page 49

nd System Fan Speed Control SYS_FAN2 Connector, Slope PWM, Isochronous Support

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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 Slope PWM item. Disabled Allows the system fan to run at full speeds. && Slope PWM Allows you to control the system fan speed. This item is configurable only when 2nd System Fan Speed Control is set to Manual. Options are: 0.75 PWM value /oC ~ 2.50 PWM value /oC. `` Miscellaneous Settings && Isochronous Support Determines whether to enable specific 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) - 49 - BIOS Setup

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- 49 -
BIOS Setup
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
±
Slope PWM
item.
Disabled
Allows the system fan to run at full speeds.
±
Slope PWM
&
Allows you to control the system fan speed. This item is configurable only when
2nd System Fan Speed
Control
is set to
Manual
. Options are: 0.75 PWM value /
o
C ~ 2.50 PWM value /
o
C.
Isochronous Support
&
Determines whether to enable specific 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)
Miscellaneous Settings
`