The Usage of this kind of application has various advantages. If you would like to use a dedicated benchtest, then the producer of CoolBook provides you a free application that is dedicated for processor stability, CPUTest. The application has a built in slider that can set a custom amount of load, so you can check the stability for certain parameters. Because every CPU supports slightly different minimum voltages, even if the model is the same, the stability test of the undervolting activity is a requirement. The application can run either in unregistered (free) mode when it provides a fixed list of voltages and multiplier steps, or it can run in registered (licensed) mode which enables the custom settings of the voltage steps.īy using the registered version, you can seek the minimum voltage that's supported by your processor. When CoolBook reduces the multiplier, it automatically reduces the core voltage of your CPU. When the CPU is in idle state, or it has a lower load, it reduces it's multiplier, thus it's operating frequency. This means that CoolBook can run properly on an iMac for example.ĬoolBook's power management is based on the CPU load. This application was designed for MacBooks, but it supports any Mac that uses an Intel processor that features the SpeedStep™ technology. CoolBook is an application that can do some CPU power management on your Intel Mac.
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