MacOSXHints.com: Like many 2005 PowerBook owners, I have been frustrated with the apparent bug in Apple’s new USB trackpad driver on these machines which forces idle kernel_task utilization upwards of 7% at all times, dramatically reducing battery life, lowering system performance, and preventing the machine from cooling down while relatively idle. Well, after several months living with this frustrating bug, I was further frustrated to see that there were still no widely-publicized solutions. I decided to stop waiting and try to address the bug myself by simply removing Apple’s trackpad driver from the equation.
Click through for the juice.

MacOSXHints.com: Like many 2005 PowerBook owners, I have been frustrated with the apparent bug in Apple’s new USB trackpad driver on these machines which forces idle kernel_task utilization upwards of 7% at all times, dramatically reducing battery life, lowering system performance, and preventing the machine from cooling down while relatively idle. Well, after several months living with this frustrating bug, I was further frustrated to see that there were still no widely-publicized solutions. I decided to stop waiting and try to address the bug myself by simply removing Apple’s trackpad driver from the equation.
Click through for the juice.