The reports surfaced on this this forum, but AMD has told us there isn't a problem at all.
An AMD representative said that the firm's techies say that because the Athlon 64 chips are locked and cannot be overclocked, an attempt to increase the mobo's system clock is causing all the components to respond, rather than just the microprocessor.
He said: "A small increase in the signal clock speed - say 5MHz on the 200MHz signal clock - is probably within the tolerances of all of the components".
But, he continued: "These overclockers are trying to get all teh components to respond to a 25 per cent increase in the speed of the signal clock, which would cause multiple components on the board to become unstable".
FX Athlon 64 products aren't locked, and allow a fair amount of overclocking. But AMD doesn't endorse overclocking its chips. It's at your own risk. It will be happy to sell you another chip if it goes pfit. µ
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