1 #!/bin/sh
 2 # 2006-05-02 by SDK, controls the fan speed of my thinkpad t41p (needs ibm-acpi)
 3
 4 case "$1" in
 5     off)
 6         echo 0x2F 0x00 > /proc/acpi/ibm/ecdump;
 7     ;;
 8     1)
 9         echo 0x2F 0x02 > /proc/acpi/ibm/ecdump;
10     ;;
11     2)
12         echo 0x2F 0x04 > /proc/acpi/ibm/ecdump;
13     ;;
14     3)
15         echo 0x2F 0x07 > /proc/acpi/ibm/ecdump;
16     ;;
17     auto)
18         echo 0x2F 0x80 > /proc/acpi/ibm/ecdump;
19     ;;
20     full)
21         echo 0x2F 0x40 > /proc/acpi/ibm/ecdump;
22     ;;
23     *)
24         echo "You can use the following arguments:"
25         echo "off - disable fan"
26         echo "1 - low speed"
27         echo "2 - medium speed"
28         echo "3 - maximum speed"
29         echo "auto - automatic (default)"
30         echo "full - disengaged"
31     ;;
32 esac