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wodor/nvidia-fan.sh

Created February 16, 2025 16:01
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Control fan from nvidia-smi
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nvidia-fan.sh
#! /bin/bash
TEMP=$(nvidia-smi -q -d temperature | grep "GPU Current" | tail -n 1 | cut -d ":" -f 2 | cut -d " " -f 2)
DEVICE=/sys/devices/platform/nct6775.2608/hwmon/hwmon2/pwm1
echo 1 > /sys/devices/platform/nct6775.2608/hwmon/hwmon2/pwm1_enable
while true; do
TEMP=$(nvidia-smi -q -d temperature | grep "GPU Current" | tail -n 1 | cut -d ":" -f 2 | cut -d " " -f 2)
echo "Current temperature: $TEMP"
if (( TEMP > 70 )); then
# echo "Temperature is above 75, writing 256 to /tmp/test"
echo 256 > $DEVICE
elif (( TEMP > 50 )); then
# echo "Temperature is above 50, writing 150 to /tmp/test"
echo 160 > $DEVICE
elif (( TEMP > 40 )); then
# echo "Temperature is above 40, writing 130 "
echo 130 > $DEVICE
else
# echo "Temperature is below 40, writing 0"
echo 0 > $DEVICE
fi
sleep 1
done
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wodor commented Feb 16, 2025 

$ cat /proc/modules | grep nct
nct6775 40960 0 - Live 0x0000000000000000
nct6775_core 106496 1 nct6775, Live 0x0000000000000000
hwmon_vid 12288 1 nct6775, Live 0x0000000000000000

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wodor commented Feb 16, 2025 

$ cat /etc/modules-load.d/modules.conf
coretemp
lm75
nct6775

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