![Kontron KTA55/pITX User Manual Download Page 47](http://html1.mh-extra.com/html/kontron/kta55-pitx/kta55-pitx_user-manual_1996465047.webp)
KTD-S0031-E
Page 43
Setup Guide
KTA55/pITX
User's Guide
18.5.5.2 Active Cooling Configuration Submenu
Feature
Option
Description
Active Cooling
Disabled
Enabled
Enable or disable active cooling respectively the fan
Fan Speed Mode
Linear Mode
Step Mode
Select the fan speed mode
Fan Frequency
28.64 kHz
25.78 kHz
23.44 kHz
21.48 kHz
19.83 kHz
18.41 kHz
100 Hz, 87 Hz
58 Hz, 44 Hz
35 Hz, 29 Hz
22 Hz, 14 Hz, 11 Hz
Select the fan frequency
PWM Step Rate
0 ...
1
... 100
Define the Pulse Width Modulation (PWM) step rate
Temperature Sensor
CPU Internal
Chipset Internal
Select the temperature sensor for fan control
Temperature Averaging
Disabled
Enabled
Enable or disable temperature averaging
Temperature Hysteresis
0°C ...
5°C
... 16°C Define the temperature hysteresis for fan on/off
8
Enhanced Fan Control
Submenu
Define the temperature and PWM values for fan ramping