What about the 45 nm processors ("Wolfdale") now appearing? IIRC, one
example is the E8300...has anyone any experience with undervolting
these puppies? Since they are already very power-efficient for their
performance, I'm wondering what could really be done by serious
quiet-PC folks. However, just now I lack the funds to experiment....

TIA for any info!

David

On Sun, Jun 29, 2008 at 11:45 PM, John Paterson <duroby@...> wrote:
> There is another reason for reducing the voltage; but it is not usually a user
determined function.
>
> If you are trying to switch a transistor from "on" to "off" or vice versa, the
time taken is finite.  But the rate of change of voltage is constant across most
chips.  In other words they are using the same substance for the substrate, give
or take.  So the lower the voltage change, the faster the switch.  This is why
we have seen a steady reduction in the operating voltage of processors since the
8088.