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To: Ali Chen who wrote (40830)	5/22/2001 12:16:26 AM
From: Jim McMannis	Read Replies (1) \| Respond to of 275872

RE:"The whole issue with P4 thermal throttling is largely overblown. This is a good protective feature, and I wish AMD to implement something similar, and as soon as possible." It could be good... It really depends on when and why it kicks in... It may well be a clockspeed limiter for P4. If it kicks in frequently then it defeats a lot of purpose... Jim

To: Ali Chen who wrote (40830)	5/22/2001 12:25:12 AM
From: Bill Jackson	Respond to of 275872

Ali, A good protective feature....if it works as intended. It seems that the law of unintended consequences is operating here. An irreversible forced downclock(or coldclock) to 50% speed is the feature from the black lagoon. If that signal is readily readable then soon others will monitor both the clock and that signal and see if the clock locks down or if that signal locks down after the hot event and does not release until a reboot. Or they may find it works and the problem lies elswehere, as you suggest?? Bill

To: Ali Chen who wrote (40830)	5/22/2001 2:25:18 AM
From: dougSF30	Respond to of 275872

Ali, Re: The effect of performance deterioration may have another, simpler explanation - it may be related to randomization of memory pages under Window's memory management, and for some reason the P4 does not like it much. The reboot forces a system to start with a fresh memory layout. -------------------previous comment deleted---------------- [Edit: I'm sorry, that was rude. But, well, "No.", the processor operates beneath that level of granularity. It couldn't give a crap how windows memory management works.] Doug