現在可以了，不過要有註冊的人才可以做設定電壓與頻率
CoolBook 2.14 released 2009-04-14
http://www.coolbook.se/CoolBook.dmg
部分原文如下
CoolBook is a tool for the MacBook and MacBook Pro computers. It lets you monitor the frequency, voltage and temperature of the CoreDuo / Core2Duo CPU.
Registered users can also change the frequency and voltage of the processor. Download CoolBook to find out more.
The "Santa Rosa" / LED MacBook Pro is only partially supported. Read the manual for more info.
