Re: Laptops & CPU frequency

From: Pavel Machek
Date: Thu Jan 15 2004 - 16:12:57 EST


Hi!

> > I have an athlon-xp laptop (HP pavilion ze4500) with powernow that
> > definitely goes into low power mode when the plug is pulled. The screen
> > goes dark, and everything slows down.
>
> Dave did not mean that the other power management schemes cannot do the
> automatic reduction on loss of AC, just that there is no SMM/BIOS hacks
> to do it automatically.

People are designing machines where battery can't provide
enough ampers for cpu in high-power mode. If speedstep machines
have same problem, SMM is actually right thing to do.
Pavel
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms

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