[sclug] Under(re)volting - How does MS do it?

Roland Turner SCLUG raz.fpyht.bet.hx at raz.cx
Thu Mar 1 10:44:34 UTC 2007

On Thu, 2007-03-01 at 10:18 +0000, Alex Butcher wrote:

> >> manually disabling wireless, unloading USB drivers, enabling laptop
> >> mode) is only 2 hours? Yes, I know P=V^2/R which I suspect that even a
> >> minor drop in board voltage will have significant power gains. However,
> >> everything I read warns me against patching the kernel for undervolting
> >> because of possible hardware damage (motherboard not chip).
> >
> > _Hardware_ damage? That seems rather unlikely.
> That's what the developers of the patch warn:
> <http://www.thinkwiki.org/wiki/Pentium_M_undervolting_and_underclocking>

OK, we're talking at cross-purposes. The potential for damage arises not
from operating devices at lower than their intended voltages and clock
speeds, but from the possibility of use of the patch inadvertently
operating devices at higher than their rated voltage or speed. Fair

- Raz

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