Chipping the Mac
Chipping the PowerBook Duo
Many Mac models can be "chipped" to run at a higher speed. These pages provide information on the maximum reliable speed. This may vary from one machine to the next. Chipping is not authorized by Apple. Any modifications you perform on your Mac may damage it and will void any warranty. Modifications are done at your own risk.
Be sure to visit Marc Schrier's Clock Chipping Home Page, the definitive resource on chipping the Mac.
PowerBook Duo 210
The PowerBook Duo 210 has a 50 MHz oscillator which runs the processor at 25 MHz. The max oscillator you can replace it with is 67 MHz, to run the processor at 33 MHz.
PowerBook Duo 230
The PowerBook Duo 230 has a 67 MHz oscillator which runs the processor at 33 MHz. The max oscillator you can replace it with is 80 MHz, to run the processor at 40 MHz.
PowerBook Duo 280c
The PowerBook Duo 280c has a 67 MHz oscillator which runs the processor at 33 MHz. The max oscillator you can replace it with is 86 MHz, to run the processor at 43 MHz.
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