http://hobbes.nmsu.edu/cgi-bin/...
"A set of tools to control CPU cooling on KT266[A], KN266, KT333 and some KT133/KX133 chipsets. Includes APM idle hook, CPU throttling, smart fan control. Responds to kernel panic events in ACPI-compliant manner. OS/2 and DOS versions."
Source: OS2.jp