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DateTue, 20 Jun 2006 00:25:29 +0200
FromPavel Machek <>
SubjectRe: [RFC/SERIOUS] grilling troubled CPUs for fun and profit?
Hi!

>  > Try it. I have had
>  > broken plastic heat-sink hold-downs let the entire heat-sink fall off
>  > the CPU. The machine just stops.
> 
> Your single datapoint is just that, a single datapoint.
> There are a number of reported cases of CPUs frying themselves.
> Here's one: http://www.tomshardware.com/2001/09/17/hot_spot/page4.html
> Google no doubt has more.
> 
> Another anecdote: Upon fan failure, I once had an athlon MP *completely shatter*
> (as in broke in two pieces) under extreme heat.
> 
> This _does_ happen.

If it happens to you... you needed a new cpu anyway. Anything non-historical
*has* thermal protection.

BTW I doubt those old athlons can be saved by cli; hlt . (Someone willing to try if old
athlon can run cli; hlt code w/o heatsink?).

And no, we probably do not want to enter C2 or C3 from doublefault handler.
				Pavel
-- 
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms         

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