EVGA Z790 DARK K NGP N User Manual page 89

EVGA Z790 DARK K|NGP|N (121-RL-E799)
In Standard Mode, there are four tiers of temp control. At Level 4, we recommend to
set the fan speeds to Max. Feel free to create your own profile to meet your noise and
cooling needs. Make sure, however, to stay 5-10C below the Max safe load temp for
your processor, which is listed on Intel's website. All Smart Fan Settings have the same
controls and can be setup the same way.
When monitoring your system, you may notice that your fans spin up and down at
different intervals. This is due, in part, to a function called hysteresis. Hysteresis builds
in a buffer to control fan speed behavior to prevent your system from constantly
changing the fan speed around your SMART Level temperature. Without hysteresis, for
example, if your Level is set to 30C and your temperature varies between 29C-31C, you
may find your fan spins up and down repeatedly, causing unwanted noise. Hysteresis
adds a - 3C buffer for all "Fan Control By" options. This means that once your fan
speed changes, it will not change again until the temperature goes below 27C.
Advanced Smart Fan Mode
To address problems with user configurations, such as adding additional Smart Fan
steps and hysteresis control, an Advanced Smart Fan Mode is available. Go to the Fan
Mode option and select Advanced:
In addition to now having seven Smart Fan profile settings, you can also directly modify
the hysteresis settings for your temperature preference:
Three settings are available for this purpose: Tolerance, Step Up, and Step Down.
Tolerance sets the value (in Celsius) for how far below the temperature can go before
the Smart Fan Level changes. For example, at 0C, Levels will change as soon as the
temperature crosses the temperature threshold; at 3C, Levels will change once the
temperature goes 3C below the Smart Level.
Step Up and Step Down affect how quickly your fan changes when the temperature
goes above or below, respectively, a Smart Level. At Level 0, your fan speed changes
immediately. Set a higher Level if you prefer the fan speed to adjust more gradually.
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