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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 248.15-1.8%12:51 PM EST
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To: herb will who wrote (39171)5/12/2001 12:49:13 PM
From: Joe NYCRead Replies (1) of 275872
 
Herb,

You know I have never been subject to Chinese water torture but I sure am getting a good feel for it around here.

I am sorry you feel this way. I don't think anyone responded to your posts in a rude manner. I hope the guy who works for Intel who posted here before (whose name escapes me) would jump in. He may point us to the section of the specs that can prove me, Fyo and combjelly wrong (if we are wrong).

But at least between the 3 of us we have a consensus that Piii doesn't have any kind of active thermal management, only a diode that reports the temperature (which can be used for thermal management in BIOS or in the OS - which can be done with Athlon as well). P4 has active thermal management that can slow down the CPU if it starts to overheat (without the need of the intervention of BIOS or OS).

One thing I am not entirely clear about is if the thermal management can prevent P4 from frying itself when you run without a heatsink. My read of the spec was that the thermal management cuts the clock speed in half. So the power consumption will go more or less down by 1/2. But can P4 run at half the speed, consuming 1/2 the power, run without a heatsink? I doubt it, especially the faster speed grades. What the thermal management should have is another threshhold, at which the CPU would go even slower, or HALT completely, which would definitely prevent P4 from frying itself.

Joe
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