LED MacBook Proに積まれているサンタロサCPUでは、CoolBookすると、 バッテリ駆動・アイドル状態では逆に消費電力が増えるます。
Known issues 3) The CPU of the "Santa Rosa" / LED MacBook Pro can be read and controlled using CoolBook, and the maximum power consumption may be reduced. There is however an issue, making this model consume more power running in idle battery mode with CoolBook activated. CoolBook is therefore not recommended for usage with this model.