Gigabyte GA-X48-DS4 Manual - Page 50

CPU Smart FAN Control, CPU Smart FAN Mode

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CPU Smart FAN Control Enables or disables the CPU fan speed control function. Enabled allows the CPU fan to run at different speed according to the CPU temperature. You can adjust the fan speed with EasyTune based on system requirements. If disabled, CPU fan runs at full speed. (Default: Enabled) CPU Smart FAN Mode Specifies how to control CPU fan speed. This item is configurable only if CPU Smart FAN Control is set to Enabled. Auto Lets BIOS autodetect the type of CPU fan installed and sets the optimal CPU fan control mode. (Default) Voltage Sets Voltage mode for a 3-pin CPU fan. PWM Sets PWM mode for a 4-pin CPU fan. Note: The Voltage mode can be set for a 3-pin CPU fan or a 4-pin CPU fan. However, for a 4-pin CPU fan that is not designed following Intel PWM fan specifications, selecting PWM mode may not effectively reduce the fan speed. GA-X48-DS4 Motherboard - 50 -

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GA-X48-DS4 Motherboard
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CPU Smart FAN Control
Enables or disables the CPU fan speed control function.
Enabled
allows the CPU fan to run at
different speed according to the CPU temperature. You can adjust the fan speed with EasyTune
based on system requirements. If disabled, CPU fan runs at full speed. (Default: Enabled)
CPU Smart FAN Mode
Specifies how to control CPU fan speed. This item is configurable only if
CPU Smart FAN
Control
is set to
Enabled
.
Auto
Lets BIOS autodetect the type of CPU fan installed and sets the optimal CPU
fan control mode. (Default)
Voltage
Sets Voltage mode for a 3-pin CPU fan.
PWM
Sets PWM mode for a 4-pin CPU fan.
Note: The
Voltage
mode can be set for a 3-pin CPU fan or a 4-pin CPU fan. However, for a 4-pin
CPU fan that is not designed following Intel PWM fan specifications, selecting PWM mode may not
effectively reduce the fan speed.