Gigabyte GA-H55M-S2V Manual - Page 49
CPU Smart FAN Mode, Enabled, Voltage
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Page 49 highlights
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 the BIOS automatically detect 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. - 49 - BIOS Setup
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- 49 -
BIOS Setup
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 the BIOS automatically detect 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.