Nvidia fanspeed adjustment

This is a simple script thats can lower or raise the speed of the fan on nvidia based graphic cards. Requires nvclock.

Usage

• Lower speed by 10%: adjustspeed -10
• Raise speed by 5%: adjustspeed 5
• Set to stored speed: adjustspeed

Code: adjustspeed.sh (view, download)

1.  #!/bin/bash
2.  
3.  if [ ! -e ~/.fanspeed ];
4.  then
5.          echo "Creating ~/.fanspeed with default speed (100%)"
6.          echo "100" > ~/.fanspeed
7.  fi
8.  
9.  speed=`cat ~/.fanspeed`
10.  
11.  if [ ! $1 ];
12.  then
13.          echo "Setting speed to stored value ($speed%)"
14.          nvclock -F $speed -f
15.          exit 0
16.  else
17.          diff=$1
18.  fi
19.  
20.  speed=`expr $speed + $diff`
21.  
22.  if [ $speed -lt 30 ];
23.  then
24.          speed=30
25.  fi
26.  
27.  if [ $speed -gt 100 ];
28.  then
29.          speed=100
30.  fi
31.  
32.  nvclock -F $speed -f
33.  pkill osd_cat
34.  echo "$speed" > ~/.fanspeed
35.  echo "Fanspeed: $speed%" | \osd_cat -f "-*-courier-bold-r-normal-*-34-*-*-*-*-*-*-*" -o 50 -p top -A center -d 2