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#Smc fan control settings imac install#
#Smc fan control settings imac manual#
#Smc fan control settings imac pro#
#Smc fan control settings imac software#

Processor – the Processor’s package temperature.The default and typical choice is the Processor temperature. The user can choose any one of the four temperature sensors supported. This parameter specifies which temperature sensor will be the primary source for decision-making on fan speed control. This parameter specifies the minimum duty cycle that will be output to the fan. If the temperature of an associated sensor rises above the threshold specified in itsĪll-On Temperature parameter, the duty cycle will be overridden to 100%, regardless of the setting of the This parameter specifies the maximum duty cycle that outputs to the System fan during normal operation. It's your responsibility to ensure that the setting use doesn't allow the system to overheat

#Smc fan control settings imac manual#

Warning: while configured for manual control, no circumstance will result in this manual duty cycle being overridden. It specifies the duty cycle that the temperature is to operate at. This parameter is only visible when the Control Mode is set to Manual. The Manual Duty Cycle parameter is used to control this. In Manual control mode, the fan spins at a fixed speed. The Minimum Duty Cycle, Maximum Duty Cycle, Primary Temperature Input, and Secondary Temperature Input parameters are used to specify the configuration for this mode. In Automatic (Auto) control mode, the fan speed will vary automatically based on thermal conditions and configuration. This parameter specifies whether the fan will be controlled automatically or manually. This parameter is always set for System fan control and there are no other options.

Sustained processor usage of 75 percent or higher, for a long period.

Sustained file transfers for a long period.

You may need to change the fan control settings if your usage model includes any of the following instances:

The default settings may be modified in future BIOS revisions as Intel continues to fine-tune them to get the best tradeoff between cooling and fan acoustics. These settings help minimize fan noise while keeping the system properly cooled in a normal working environment. Preset values are for a normal desktop working environment. The table shows an example of the temperature and duty cycle settings for preset configurations: Option This parameter specifies the minimum duty cycle that outputs to the fan.įan speed increases by this percentage for each degree over the minimum temperature. The value is calculated by Tcontrol minus a fixed value. Quiet: A preset configuration that is set to keep the overall system quieter, but slightly warmer.įanless: Hides all fan control-related setup options.įan speed increases if the processor temperature exceeds this value. Each value can be user-configured.Ĭool: A preset configuration that keeps the overall system cooler, but slightly louder.īalanced: A preset configuration that is set to keep the overall system balanced between cool and quiet. Options are from 20 to 100 percent in 10 percent increments.Ĭustom: Allows the fan speed to be customized based on processor temperature, minimum duty cycle, and duty cycle increment (see Other Fan Control Settings, below). Optionįixed: Allows the fan speed to be set at a fixed speed and never change. See the table below for fan control definitions. Available settings can vary, depending on Intel NUC model. System fan control settings in BIOS can be changed to meet the needs of your system usage model.

Fan settings are shown in the CPU Fan Header pane.

Press F2 during start to enter BIOS Setup.

Follow these steps to view or change system fan control settings:

Under "Control" click "Custom" and you can then use a slider to change the fan control on your Mac".This document covers cooling and fan control options in BIOS Setup for Intel® NUC products.

Launch the app and you will then have access to the fans and be able to see the temperatures of the components inside your Mac.

#Smc fan control settings imac install#

Download and install Macs Fan Control from MacUpdate.

#Smc fan control settings imac pro#

Note: Custom profiles are available in the Pro version of the app.

Compatible with OS X 10.14 Mojave or later (version for OS X 10.6, 10.7-10.13 is available separately ).

Real-time monitoring of Mac's fans speed and temperature sensors including 3rd party HDD/SSD (using S.M.A.R.T.).

Control fan speed in relation to a temperature sensor (e.g., 3rd party HDD).

Set any constant value to any fan (e.g., minimum).

#Smc fan control settings imac software#

Software solution to noise problems such as those caused by iMac HDD replacement, or overheating problems like those found on a MacBook Pro.Macs Fan Control allows you to monitor and control almost any aspect of your computer's fans, with support for controlling fan speed, temperature sensors pane, menu-bar icon, and autostart with system option.