Upgrading Apple eMac
Leo Bodnar talks about how he upgraded his
"This eMac's 800MHz CPU already runs at 133MHz bus clock so the only way to increase the speed is to change the PLL multiplier. CPU model is PPC 7455A. PLL multiplier is controlled by a set of resistors on the main board within highlighted area:"
(Submitted by Noel Mon Jan 19, 2004 )
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