Post pictures of Daystar upgraded powerbooks

Wikipedia would answer this question for you.

For starters, it's not so easy to modify logic boards for laptops due to the tighter layouts and smaller components.

Secondly, it was an entirely different G4 chip, so to my knowledge, it involved swapping out the entire logic board for a custom one.

Third, it's not worth overclocking laptops generally, especially G4 PowerPC computers as they are already close to or past the optimal clock point, after which power consumption vs performance loses linearity and becomes exponential, yielding highly diminished returns while producing absurd heat/power draw. So basically, whatever it is you're trying to do, don't do it. It's not worth it, especially since even an overclocked G4 will still be pretty slow all things considered.

Lastly, here: http://bit.ly/Y8RWfM

ybz90 said:

Wikipedia would answer this question for you.

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Same way with most of his questions.

rabidz7 said:

I will post my 12" 1.5 GHz later today.

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ybz90 said:

It's not worth it, especially since even an overclocked G4 will still be pretty slow all things considered.

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In another thread he claimed to have it running at 2GHz.

ybz90 said:

Secondly, it was an entirely different G4 chip, so to my knowledge, it involved swapping out the entire logic board for a custom one.

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Not entirely, just newer revision. And it didn't involve custom logic board because whole 7400 series is pin-to-pin compatible. That's why it was 48h service. Desolder old one, solder new, set multiplier and new core voltage, few tests and back to customer. That's why these upgrades ended like they ended

http://www.macworld.com/article/1049409/daystar.html