Gigabyte GA-Z77X-UP7 - Page 52

BIOS Setup
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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 the SYS_FAN2 connector and adjust the fan speed.
Normal Allows the system fan to run at different speeds according to the system temperature.
(Default)
Silent Allows the system fan to run at slow speeds.
Manual Allows you to control the system 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congurable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.