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http://www.insanely-great.com/news.php?id=1023

Overclocking the Power Mac G4s
By Remy Davison, Insanely Great Mac
September 30th 2002

For the very brave.

xlr8yourmac is detailing readers' feedback on overclocking the new DP G4 867's 133MHz 
bus to 167MHz. This, in theory, would give the Power Mac roughly the performance of a 
DP 1 GHz G4. 

One user has achieved overclocking up to 1.083GHz, which, in the test results 
published, cuts 1-2 seconds off some CPU-intensive tests.

It appears, at this early stage, that the system bus speed on the new machines is 
controlled completely in software, according to reader reports. It has been possible 
for some years, of course, to vary bus speed on other Macs using software only, albeit 
at cost of some possible instability and/or excessive heat.

Caution: Perform this operation at your own risk.


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