I got fed up with the fan that’s running constantly on my Powerbook 12″ rev b 867mhz after installing the 10.3.8 Update. So here’s how you do it:
Download Update 10.2.8 and use Pacifist to extract /System/Library/ExtensionsAppleADM103x.kext from MacOSXUpdate10.2.8.pkg to the desktop. Do a backup of AppleADM103x.kext from [...]