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To: Jim McMannis who wrote (135615)5/20/2001 11:52:50 PM
From: Elmer  Read Replies (1) | Respond to of 186894
 
Why does the P4 throttle back? Heat? Maybe this is a good thing. Save a chip .

It's not a good thing unless Athlon does it. Athlon just crashes. Crashing is a good thing.

EP



To: Jim McMannis who wrote (135615)5/21/2001 12:04:56 AM
From: dougSF30  Read Replies (1) | Respond to of 186894
 
Jim, Yeah, P4 throttles back due to local hotspots.

Seems that even a globally acceptable thermal solution can't prevent this unbalanced processor from attempting to burn itself out on 'power intensive' (read: optimized) code.

Hence the 'TCC', which helpfully begins a 50% duty cycle until things chill out.

Better than burning up, but, gosh, a design that didn't suffer from local meltdowns would be even better.

And Intel might want to advise the consumer of this handy 'safety feature'. Imagine if your automobile behaved like this. I can see Car & Driver now:

Top Speed: 130 mph.***

*** If you turn on the radio or use the steering wheel, a governor may kick in and out, braking you down to 65 mph periodically.

Doug